Bethesda, Maryland Weather by Month

Bethesda is an affluent and vibrant urban-suburban community located in Montgomery County, Maryland, United States. Located northwest of Washington, D.C., Bethesda is known for its upscale residential neighborhoods, thriving business district, and cultural amenities. The city is home to a diverse population of professionals, families, and students, drawn to its excellent schools, healthcare facilities, and proximity to the nation’s capital. With its blend of urban convenience and suburban charm, Bethesda offers residents and visitors a high quality of life and a wide range of recreational, dining, and shopping opportunities.


Bethesda is geographically positioned at a latitude of 38.9847°N and a longitude of 77.0947°W. The city is located in the rolling hills of central Montgomery County, bordered by the communities of Chevy Chase, Potomac, and North Bethesda. Bethesda’s central location provides easy access to major transportation routes, including Interstate 495 (the Capital Beltway) and the Washington Metro’s Red Line, making it a convenient hub for commuters and travelers.


As of the latest available data, Bethesda had a population of approximately 63,000 residents. The city’s population is diverse, with a mix of ethnicities, cultures, and socioeconomic backgrounds contributing to its dynamic community fabric. Bethesda’s educated workforce and high standard of living have attracted residents from around the world, creating a cosmopolitan atmosphere that is both welcoming and inclusive.

Major Landmarks

One of the notable landmarks in Bethesda is the National Institutes of Health (NIH), a world-renowned biomedical research institution located on the city’s eastern border. The NIH campus spans over 300 acres and includes research laboratories, clinical centers, and administrative offices dedicated to advancing medical science and improving public health.

Additionally, Bethesda is home to the Walter Reed National Military Medical Center, a premier healthcare facility serving members of the U.S. armed forces and their families. The medical center provides a wide range of medical services, including trauma care, surgical specialties, and rehabilitation programs, and is affiliated with the Uniformed Services University of the Health Sciences.

Climate and Weather Overview

Monthly Weather Statistics

Below is a table detailing the average temperature, precipitation, and number of sunny days for each month in Bethesda, Maryland:

Month Average Temperature (°F) Precipitation (inches) Sunny Days
January 38°F 3.20 inches 11
February 41°F 2.84 inches 11
March 49°F 3.86 inches 12
April 59°F 3.55 inches 12
May 69°F 4.24 inches 12
June 78°F 4.34 inches 11
July 82°F 4.60 inches 10
August 80°F 4.06 inches 9
September 73°F 4.23 inches 9
October 62°F 3.71 inches 9
November 52°F 3.62 inches 9
December 42°F 3.20 inches 10

Weather by Month


January in Bethesda brings cold temperatures, with an average high of 38°F and an average low of 23°F. Snowfall is common during this month, with an average of 3.20 inches of precipitation. Despite the cold weather, there are 11 sunny days, providing opportunities for outdoor activities such as ice skating, sledding, and winter hikes in nearby parks. Indoor activities such as visiting museums, art galleries, or attending theater performances offer enjoyable alternatives during the winter months.


February continues the cold weather in Bethesda, with average temperatures hovering around 41°F. Snowfall persists, with an average of 2.84 inches of precipitation. Despite the chilly temperatures, there are 11 sunny days, allowing residents and visitors to enjoy outdoor activities such as winter walks in local parks, birdwatching, and visiting cozy cafes and bookstores. Indoor activities such as cooking classes, pottery workshops, or wine tastings provide enjoyable alternatives during the winter season.


As spring approaches, March brings milder temperatures to Bethesda, with an average high of 49°F. While snow is still possible, precipitation levels increase to 3.86 inches, including rain showers. With 12 sunny days, there are opportunities for outdoor activities such as hiking, biking, and exploring local nature trails as the landscape begins to awaken from winter dormancy. Spring festivals, farmers’ markets, and outdoor concerts also provide opportunities for community engagement and enjoyment.


April marks the onset of spring in Bethesda, with average temperatures rising to 59°F. While rain showers are common, with an average of 3.55 inches of precipitation, the city experiences longer daylight hours and increasing sunshine, fostering outdoor activities such as picnicking, gardening, and nature walks. Spring blooms and blossoms add to the scenic beauty of the area, attracting nature enthusiasts and photographers alike.


May heralds the arrival of warmer weather in Bethesda, with average temperatures reaching 69°F. The city enjoys an abundance of sunshine, with around 12 sunny days, perfect for outdoor gatherings, dining al fresco, and exploring local parks and gardens. Residents can partake in activities such as kayaking, paddleboarding, and biking along scenic trails, or visit nearby wineries and breweries for tastings and tours.


June brings summertime warmth to Bethesda, with average highs of 78°F. Outdoor recreational opportunities abound, from picnics and barbecues in local parks to swimming and boating on nearby lakes and rivers. With 11 sunny days, residents can fully embrace the joys of summer and engage in outdoor sports, leisurely walks, and al fresco dining at restaurants and cafes.


July is the height of summer in Bethesda, with average temperatures peaking at 82°F. While the heat may be intense, cooling off in community pools or visiting nearby water parks provides relief. Despite occasional thunderstorms, the city enjoys 10 sunny days for outdoor fun and relaxation. Residents can also enjoy outdoor concerts, farmers’ markets, and fireworks displays celebrating Independence Day.


August maintains the summer heat in Bethesda, with average temperatures remaining around 80°F. Outdoor activities such as hiking, golfing, and tennis continue to thrive, supported by 9 sunny days. However, occasional showers may occur, so it’s wise to keep an eye on the forecast and plan outdoor activities accordingly. Indoor activities such as visiting museums or attending cultural events offer enjoyable alternatives during inclement weather.


As autumn approaches, September brings mild temperatures to Bethesda, with average highs of 73°F. Outdoor enthusiasts can enjoy the changing foliage with scenic drives and hikes in nearby parks and nature reserves. With 9 sunny days, there’s ample opportunity to soak in the beauty of the season and enjoy outdoor adventures before winter sets in. Fall festivals, pumpkin patches, and apple orchards also provide opportunities for family-friendly fun.


October ushers in the vibrant colors of fall in Bethesda, with average temperatures cooling to 62°F. Residents and visitors can partake in traditional autumn activities such as apple picking, hayrides, and attending local festivals celebrating the harvest season. Despite shorter days, there are still 9 sunny days for outdoor enjoyment and exploration. Fall foliage drives and visits to haunted attractions add to the seasonal charm of the city.


November marks the transition to winter in Bethesda, with average temperatures dropping to 52°F. While occasional showers may occur, outdoor activities such as hiking and biking are still viable options. However, with only 9 sunny days, it’s essential to make the most of daylight hours and take advantage of indoor activities such as cozying up by the fireplace or attending holiday-themed events and concerts.


December brings the onset of winter cold to Bethesda, with average temperatures plummeting to 42°F. While snowfall is possible, occasional showers may occur, creating a festive atmosphere. Indoor activities such as holiday shopping, crafting, and attending festive events are popular choices during this festive season. Residents can also enjoy seasonal decorations, light displays, and holiday markets to embrace the spirit of the season.

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