Located along the scenic shores of the Chesapeake Bay, Arnold, Maryland, offers residents and visitors a charming suburban retreat with easy access to both natural beauty and urban amenities. Located in Anne Arundel County, Arnold is situated just south of Annapolis, the state capital, and is approximately 8 miles from downtown Baltimore. With a population of around 23,000 residents, Arnold strikes a balance between small-town charm and suburban convenience, making it an ideal place to call home for families, professionals, and retirees alike. The town’s proximity to major cities and transportation hubs, combined with its waterfront location and scenic landscapes, make Arnold a desirable destination for outdoor enthusiasts, boaters, and nature lovers. Major landmarks in Arnold include the Anne Arundel Community College Arnold Campus, the Broadneck Park, and the Sandy Point State Park, providing residents with ample opportunities for recreation, education, and relaxation amidst the natural splendor of the Chesapeake Bay region.
Climate and Weather Overview
Arnold, Maryland, experiences a humid subtropical climate with four distinct seasons characterized by hot summers, mild winters, and moderate precipitation throughout the year. Situated along the eastern seaboard of the United States, Arnold’s weather is influenced by its proximity to the Chesapeake Bay and the Atlantic Ocean, resulting in milder temperatures and higher humidity levels compared to inland areas. The town enjoys a diverse climate with ample sunshine and relatively mild weather patterns, making it an attractive destination for outdoor activities and waterfront living.
Climate Data Table
| Month | Average Temperature (°F) | Precipitation (inches) | Sunny Days |
| January | 40 | 3.44 | 9 |
| February | 42 | 3.11 | 10 |
| March | 50 | 4.05 | 11 |
| April | 60 | 3.25 | 12 |
| May | 70 | 3.87 | 12 |
| June | 79 | 4.25 | 11 |
| July | 84 | 4.42 | 10 |
| August | 83 | 4.12 | 9 |
| September | 77 | 4.21 | 9 |
| October | 66 | 3.68 | 9 |
| November | 56 | 3.64 | 8 |
| December | 45 | 3.42 | 8 |
Weather by Month
January
January in Arnold brings chilly temperatures and occasional wintry weather, typical of the winter season in the Mid-Atlantic region. The average temperature in January is 40°F (4.4°C), with highs in the mid to upper 30s°F (around 2-4°C) and lows dropping below freezing. Snow is possible during this month, with an average precipitation of 3.44 inches (87 mm), although snowfall amounts vary from year to year. Despite the cold weather, January offers opportunities for outdoor activities such as winter hiking, birdwatching, and exploring local parks and nature preserves.
Natural Disasters:
- Low to moderate risk of winter storms bringing snow, sleet, and freezing rain.
- Potential for icy road conditions and hazardous driving conditions.
Recommended Activities:
- Take scenic walks along the waterfront and enjoy views of the Chesapeake Bay.
- Visit local museums, art galleries, and historical sites to learn about Arnold’s rich heritage.
- Attend indoor events and cultural performances, such as concerts and theater productions, to stay entertained during the winter months.
February
February in Arnold continues the trend of cold temperatures and occasional wintry weather, as winter progresses. The average temperature in February is 42°F (5.6°C), with highs in the mid to upper 30s°F (around 3-5°C) and lows hovering around freezing. While snow is less common than in January, occasional snow showers may occur, with an average precipitation of 3.11 inches (79 mm). Despite the winter chill, February offers opportunities for outdoor recreation and cultural experiences, making it an enjoyable time to explore the town and its surroundings.
Natural Disasters:
- Continued risk of winter storms bringing snow, sleet, and freezing rain.
- Potential for icy road conditions and hazardous driving conditions.
Recommended Activities:
- Take leisurely strolls along the B&A Trail and enjoy views of the surrounding countryside.
- Visit local breweries, wineries, and distilleries for tastings and tours of artisanal beverages.
- Participate in indoor activities such as cooking classes, art workshops, and book clubs to stay entertained during the colder months.
March
March marks the transition from winter to spring in Arnold, with milder temperatures and the first signs of blooming flowers and budding trees. The average temperature in March is 50°F (10°C), with highs in the mid-50s°F (around 11-13°C) and lows gradually rising above freezing. While snow is rare, occasional showers and thunderstorms may occur, with an average precipitation of 4.05 inches (103 mm). March offers a mix of winter and spring activities, allowing residents to enjoy outdoor adventures while eagerly anticipating the arrival of spring blooms.
Natural Disasters:
- Decreased risk of winter storms as temperatures gradually warm up.
- Potential for early-season thunderstorms bringing rain showers and gusty winds.
Recommended Activities:
- Take scenic drives along the Chesapeake Bay Scenic Byway and enjoy views of the bay and coastal landscapes.
- Visit local nurseries and garden centers to purchase plants and flowers for spring gardening.
- Attend outdoor festivals, farmers’ markets, and community events celebrating the arrival of spring in the community.
April
April in Arnold brings the arrival of spring, with warmer temperatures, blooming flowers, and longer days. The average temperature in April is 60°F (15.6°C), with highs in the mid-60s°F (around 17-19°C) and lows gradually rising into the 40s°F (around 4-7°C). While April showers are common, precipitation levels decrease compared to previous months, with an average of 3.25 inches (83 mm) of rainfall. Despite occasional rain showers, April offers abundant opportunities for outdoor activities and springtime celebrations.
Natural Disasters:
- Potential for severe weather events such as thunderstorms and hailstorms.
- Occasional risk of flooding in low-lying areas due to heavy rainfall and saturated soil.
Recommended Activities:
- Explore local parks and nature reserves to admire spring wildflowers and budding trees.
- Go birdwatching and wildlife spotting in nearby wetlands and nature preserves.
- Participate in outdoor festivals, farmers’ markets, and community events celebrating spring harvests and local culture.
May
May in Arnold heralds the arrival of warmer temperatures and sunny skies, as spring blossoms into full bloom. The average temperature in May is 70°F (21.1°C), with highs in the low to mid-70s°F (around 21-24°C) and lows in the 50s°F (around 10-13°C). May is one of the wettest months of the year, with an average precipitation of 3.87 inches (98 mm), but rainfall is often interspersed with periods of sunshine. With longer daylight hours and comfortable temperatures, May is an ideal time for outdoor adventures and exploring the natural beauty of the region.
Natural Disasters:
- Potential for severe thunderstorms bringing heavy rain, lightning, and strong winds.
- Occasional risk of tornadoes and damaging hailstorms, particularly in late spring.
Recommended Activities:
- Take scenic drives through the countryside to admire blooming wildflowers and lush green landscapes.
- Go hiking or biking on local trails and enjoy picnics in scenic parks and recreation areas.
- Participate in outdoor festivals, farmers’ markets, and community events celebrating spring harvests and local culture.
June
June in Arnold brings warm temperatures and sunny days, marking the beginning of summer in the region. The average temperature in June is 79°F (26.1°C), with highs in the low 80s°F (around 27-28°C) and lows in the 60s°F (around 15-17°C). While June receives less rainfall than previous months, occasional showers and thunderstorms are still possible, with an average precipitation of 4.25 inches (108 mm). With longer days and pleasant weather, June offers abundant opportunities for outdoor activities and summer fun.
Natural Disasters:
- Potential for severe thunderstorms bringing heavy rain, lightning, and strong winds.
- Occasional risk of flash flooding in low-lying areas and along rivers and streams.
Recommended Activities:
- Explore local parks and recreation areas for hiking, biking, and picnicking with family and friends.
- Visit nearby lakes and reservoirs for swimming, boating, and fishing in the summer sun.
- Attend outdoor concerts, food festivals, and community events celebrating the start of summer.
July
July in Arnold brings hot temperatures and sunny skies, as summer reaches its peak in the region. The average temperature in July is 84°F (28.9°C), with highs in the upper 80s°F (around 30-32°C) and lows in the 60s°F (around 15-17°C). July is one of the driest months of the year, with an average precipitation of 4.42 inches (112 mm), allowing residents and visitors to enjoy long days of sunshine and outdoor activities. Whether it’s swimming, hiking, or attending local events, July offers plenty of opportunities to make the most of the summer season.
Natural Disasters:
- Potential for heatwaves and high temperatures, leading to increased risk of heat-related illnesses.
- Occasional risk of severe thunderstorms and heavy rainfall, particularly in the afternoon and evening hours.
Recommended Activities:
- Cool off at local swimming pools, water parks, and splash pads to beat the summer heat.
- Take evening strolls and enjoy outdoor dining at local restaurants and cafes.
- Attend Fourth of July celebrations, fireworks displays, and summer concerts in the community.
August
August in Arnold continues the trend of hot temperatures and sunny days, as summer reaches its peak in the region. The average temperature in August is 83°F (28.3°C), with highs in the upper 80s°F (around 30-32°C) and lows in the 60s°F (around 15-17°C). While August is one of the driest months of the year, occasional showers and thunderstorms may occur, with an average precipitation of 4.12 inches (105 mm). Despite the summer heat, August offers a variety of outdoor activities and events for residents and visitors to enjoy.
Natural Disasters:
- Potential for heatwaves and high temperatures, leading to increased risk of heat exhaustion and dehydration.
- Occasional risk of severe thunderstorms bringing heavy rain, lightning, and strong winds.
Recommended Activities:
- Spend time outdoors at local parks, beaches, and nature reserves, enjoying hiking, biking, and wildlife viewing.
- Attend county fairs, agricultural festivals, and outdoor concerts celebrating the summer harvest.
- Plan day trips to nearby attractions, such as amusement parks, zoos, and botanical gardens, for family-friendly fun.
September
September in Arnold marks the transition from summer to fall, with cooler temperatures and changing foliage as autumn approaches. The average temperature in September is 77°F (25°C), with highs in the mid-70s°F (around 23-24°C) and lows in the 60s°F (around 15-17°C). While September is one of the driest months of the year, occasional showers and thunderstorms may occur, with an average precipitation of 4.21 inches (107 mm). With pleasant weather and fewer crowds, September offers ideal conditions for outdoor activities and exploring the natural beauty of the region.
Natural Disasters:
- Potential for early-season cold fronts bringing cooler temperatures and gusty winds.
- Occasional risk of severe thunderstorms and heavy rainfall, particularly in late September.
Recommended Activities:
- Go apple picking and visit local orchards and farm stands to enjoy the bounty of fall harvests.
- Take scenic drives through rural countryside to admire changing foliage and autumn landscapes.
- Attend fall festivals, pumpkin patches, and hayrides celebrating the arrival of autumn in the community.
October
October in Arnold brings cooler temperatures, vibrant fall foliage, and the festive spirit of the Halloween season. The average temperature in October is 66°F (18.9°C), with highs in the mid-60s°F (around 17-19°C) and lows in the 40s°F (around 4-6°C). While October is one of the driest months of the year, occasional showers and thunderstorms may occur, with an average precipitation of 3.68 inches (93 mm). With crisp autumn air and colorful landscapes, October offers abundant opportunities for outdoor adventures and seasonal festivities.
Natural Disasters:
- Potential for early-season frost and freezing temperatures, leading to the end of the growing season.
- Occasional risk of severe thunderstorms and windstorms, particularly as cold fronts move through the region.
Recommended Activities:
- Visit local pumpkin patches and corn mazes for family-friendly fun and fall photo opportunities.
- Take scenic drives along rural roads to admire fall foliage and scenic overlooks.
- Attend haunted houses, hayrides, and Halloween events for spooky thrills and seasonal entertainment.
November
November in Arnold brings cooler temperatures, shorter days, and the transition to the holiday season, as autumn comes to an end. The average temperature in November is 56°F (13.3°C), with highs in the mid-50s°F (around 12-13°C) and lows dropping into the 30s°F (around 1-3°C). While November is one of the wettest months of the year, with an average precipitation of 4.05 inches (103 mm), occasional snow showers may occur as winter approaches. Despite the cooler weather, November offers opportunities for outdoor activities, holiday preparations, and spending time with loved ones.
Natural Disasters:
- Potential for early-season snowfall and icy conditions on roads and sidewalks.
- Occasional risk of winter storms bringing snow, sleet, and freezing rain.
Recommended Activities:
- Explore local parks and nature reserves to enjoy fall foliage and scenic vistas before winter sets in.
- Prepare for the holiday season by shopping for gifts, decorations, and seasonal treats at local shops and markets.
- Participate in volunteer efforts to support those in need during the holiday season.
December
December in Arnold brings the festive spirit of the holiday season, with snowy landscapes, twinkling lights, and cheerful celebrations. The average temperature in December is 45°F (7.2°C), with highs in the low 40s°F (around 4-5°C) and lows dropping below freezing. Snow is common during this month, with an average precipitation of 3.42 inches (87 mm), creating a winter wonderland throughout the town. Despite the cold weather, December offers plenty of opportunities for outdoor activities, holiday traditions, and spending quality time with family and friends.
Natural Disasters:
- Increased risk of winter storms and heavy snowfall, leading to hazardous travel conditions.
- Potential for freezing rain and ice storms, causing power outages and tree damage.
Recommended Activities:
- Enjoy outdoor winter sports such as sledding, ice skating, and building snowmen in local parks and recreation areas.
- Attend holiday concerts, theatrical performances, and tree lighting ceremonies in the community.
- Visit local businesses and shops for holiday shopping, festive decorations, and seasonal treats.