College Park (MD) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit College Park.
Climate overview of College Park
Temperatures in College Park, Maryland, United States of America, vary greatly throughout the year. July is the hottest month at 31°C (88°F), while January is the coldest at 6°C (43°F).
The city receives considerable rain/snowfall, with around 1144 mm (45 in) annually. June is the wettest month. It has very warm summers and cold winters. June is the sunniest month, averaging 9.4 hours of sunshine per day.
College Park Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in College Park - and find the best time to visit.
Monthly Temperature in College Park
The climate in College Park is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a very warm 31°C (88°F) in July to a chilly 6°C (43°F) in the coolest month, January.
Nights vary from 20°C (68°F) in July to around -4°C (25°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in College Park
College Park has a notably wet climate with abundant precipitation, recording 1144 mm (45 in) of rain/snowfall per year. The climate in College Park shows significant variation throughout the year. Expect high rainfall in June, the wettest month, with an average of 152 mm (6 in) of precipitation over 12 rainy days.
In contrast, the driest month February offers drier and sunnier days, with around 65 mm (2.6 in) of rainfall over 10 rainy days. For more details, please visit our College Park Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in College Park
For those who appreciate different seasons, College Park serves as an ideal destination. Expect longer, more sun-filled days in June with an average of 9.4 hours of sunshine daily, and embrace the darker days in December, offering only 4.3 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in College Park by Month
The relative humidity is high throughout the year in College Park.
The city experiences its highest humidity in August, reaching 69%. In March, the humidity drops to its lowest level at 58%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in College Park
The mean wind speed over the year ranges from 4 m/s (8 knots) in May, June, July, August, September, October, November and December to 5 m/s (10 knots) in January, February, March and April. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit College Park
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: September
- Warmest weather: July and August
- Most sunshine: June and July
- Seasonal pattern: Very warm summers and cold winters
- Coldest conditions: January, with freezing nights around -4°C (25°F).
Frequently asked questions about the climate in College Park
What is the best time to visit College Park?
September typically offers the most optimal weather in College Park. In contrast, January, February and December tend to have less optimal conditions. College Park has very warm summers and cold winters.
What temperatures can I expect in College Park?
Daytime highs range from 6°C (43°F) in January to 31°C (88°F) in July. Nighttime lows range from -4°C (25°F) to 20°C (68°F). Temperatures vary considerably through the year.
How much rain does College Park get?
Annual rainfall is around 1144 mm (45 in). June is the wettest month with 152 mm (6 in), while February is the driest with 65 mm (2.6 in).
How sunny is College Park?
College Park receives around 2,520 hours of sunshine per year. June is the sunniest month with 282 hours, while December is the cloudiest with just 130 hours. Overall, College Park enjoys abundant sunshine.
College Park 3-Day Forecast
College Park on the map
College Park is highlighted - select any city to see its climate.
Popular this month
Where to go in September - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
The 10 most alternative cities in the United States
Discover the top 10 fun and alternative U.S. cities rich in art, culture, and adventure. From Portland's hippy charm to Sedona's stunning landscapes.
Sedona: Explore Majestic Red Rock Landscapes
A picturesque artists' town surrounded by red rocks and known for its spirituality, vortex energy, and stunning hikes like Cathedral Rock.
10 most idyllic villages to visit in the United States
Discover 10 idyllic villages in the USA, from California to Vermont. Explore their unique charm, rich history, stunning nature, and vibrant arts scenes.