Day
8 °C
Night
-1 °C
Sea
7 °C
Precipitation
81 mm
in month
Rainy days
10 days
in month
Daylight
9 hours
average
Sunshine
4 hours
average
Humidity
66 %
We make the most from 40 years of historical weather data to predict the best weather conditions.
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We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.
Nestled within the United States of America, Washington, D.C. boasts a moderate continental climate with seasonal variations that are quite distinct. The city experiences daytime temperatures ranging from a brisk average of 6 °C (43 °F) in the frigid depths of January to a warm and inviting average of 31 °C (88 °F) amid July's summer heat. As night falls, temperatures drop to a cool -4 °C (26 °F) in January and become pleasantly warm, averaging 20 °C (68 °F) during July nights. The variation in precipitation is notable, with October seeing the fewest rainy days at 8 days and May marking the peak of the rainy season with a noteworthy 11 days.
During January in Washington, D.C., we encounter the year's lowest day temperatures, averaging 6 °C (43 °F). Equally, the night temperatures reach their nadir. As January progresses, we can observe an increase in the number of rainy days to 10 days, a slight indication that the overall rainfall is starting to decrease with a total of 71 mm (2.78 in). Meanwhile, the gradual increase in sunny hours is also apparent.
In Washington, D.C., February marks the beginning of an upward trend in both day and night temperatures, with the latter averaging -2 °C (28 °F). There is a continued increase in the number of sun hours to 5 hours, while reaching the annual low for rainfall with only 67 mm (2.63 in).
March witnesses the continued rise of both daytime and nighttime temperatures in Washington, D.C., with respective averages of 13 °C (56 °F) and 2 °C (35 °F). The amount of rainfall begins its upward trend, and there is a boost in sunny hours. March also boasts the highest wind speeds of the year.
As April ushers in, Washington, D.C. continues to experience rising temperatures by day, averaging 19 °C (67 °F), and by night, with an average of 7 °C (44 °F). Tourist season begins to gain momentum. Rainfall gradually decreases with an amount of 81 mm (3.19 in). The number of sunny hours continues its increase.
May brings warmer weather to Washington, D.C. with an average day temperature of 24 °C (76 °F), while the night temperature also continues to rise, averaging 12 °C (53 °F). The number of rainy days and rainfall both peak during this month.
June continues the trend of rising temperatures in Washington, D.C., while the amount of rainfall begins to diminish. This month also reaches the peak number of sunny hours, exemplifying the pleasant summer climate.
Washington, D.C.'s warm weather peaks in July, with both day and night temperatures reaching their highest averages. Although the rainfall amount begins to rise, it does not signify the start of a wet season.
The warmth lingers in Washington, D.C. in August, although the daytime temperatures start a gradual decline. The number of rainy days and overall precipitation also begin to decrease.
September in Washington, D.C. continues to see a downward trend in temperatures, though they remain comfortably warm. Rainfall begins to rise again, and moisture in the air reaches its highest levels for the year.
The evident ongoing tourist season in October is accompanied by a further decrease in daytime temperatures, the fewest rainy days of the year, and a marked reduction in rainfall amount, signifying Washington, D.C.'s gradual transition to cooler weather.
November brings a continued decline in day and night temperatures. The number of rainy days starts to rise once more. The reduction in the number of sunny hours is indicative of the shorter days and approaching winter.
In December, Washington, D.C. experiences a pronounced drop in both daytime and nighttime temperatures. Rainy days continue their upward trend, while the fewest sunny hours and shortest day lengths of the year are observed.
In January, the average minimum night temperature in Washington, D.C. is a chilling -4 °C (26 °F).
Washington, D.C. receives a modest rainfall amount in February, accumulating to approximately 67 mm (2.63 in).
In March, the duration of sunny hours in Washington, D.C. continues its upward trajectory, reaching an average of 7 hours.
The onset of tourist season in April does not have a significant impact on rainfall, which averages around 81 mm (3.19 in).
With an agreeable average daytime temperature of 24 °C (76 °F) in May, outdoor activities in Washington, D.C. are very enjoyable.
Yes, with a reduction in rainfall and an increase in sunny hours, June offers ideal conditions for outdoor pursuits in Washington, D.C.
Despite the rising temperatures in July, Washington, D.C. does not experience a significant uptick in rainfall.
The decline in temperatures in August leads to a slight reduction in heat, while rainy days begin to become less frequent.
The highest humidity levels in September introduce a muggier atmosphere, which can amplify the sensation of warmth.
With the least rainy days seen in October, Washington, D.C. enjoys a drier and more comfortable climate optimal for tourism.
While November sees more rainy days, it does not severely impact daily activities, as the increase is gradual.
The limited sunlight in December can restrict opportunities for outdoor activities, as the days are shorter and calmer.