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WashingtonUSDistrict of Columbia, United States | ||
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Washington
DetailsHeat Seeker Score
Heat Seeker Score is a composite score designed for those who crave hot, sunny weather with minimal rainfall. It prioritizes high temperatures and abundant sunshine.
Use the detailed page for charts, component scores, and weather inputs behind every monthly ranking.
Calculations are based on the last 8 years of historical weather data.
Washington D.C. experiences a range of temperatures throughout the year.
July and August are the hottest months, with highs reaching 87.0-90.3F, while January has the coldest temperatures with lows around 30.4F, which can be considered discomfort temperatures. From April to October, the average temperatures are in the comfort zone. Some discomfort temperatures are experienced in November, December, January, February and March.
Maximum Temperatures
| Period | Washington |
|---|---|
| Jan | 42.6°F |
| Feb | 48.6°F |
| Mar | 56.7°F |
| Apr | 66.7°F |
| May | 74.5°F |
| Jun | 84.9°F |
| Jul | 90.5°F |
| Aug | 86.9°F |
| Sep | 80.6°F |
| Oct | 70.3°F |
| Nov | 56.5°F |
| Dec | 47.3°F |
| Average | 67.2°F |
Minimum Temperatures
| Period | Washington |
|---|---|
| Jan | 29.7°F |
| Feb | 33.8°F |
| Mar | 39.6°F |
| Apr | 48.6°F |
| May | 56.8°F |
| Jun | 65.8°F |
| Jul | 72.1°F |
| Aug | 70.2°F |
| Sep | 64.6°F |
| Oct | 54.0°F |
| Nov | 41.5°F |
| Dec | 34.5°F |
| Average | 50.9°F |
In Washington, the total sun hours generally peak during the summer months, particularly in June with 7.2 hours of sunshine per day, while the lowest sun hours occur in December at just 3.7 hours.
Precipitation levels are relatively steady throughout the year, with light variations; however, July has the highest level of precipitation at 0.20 inches, which may coincide with the increased humidity of summer.
Overall, the city experiences a moderate amount of sunshine with a slight increase in precipitation during the warmer months, leading to a balance between sun and rain across the seasons.
Sunny Weather
| Period | Washington |
|---|---|
| Jan | 4.1 hours/day |
| Feb | 4.0 hours/day |
| Mar | 4.6 hours/day |
| Apr | 4.8 hours/day |
| May | 5.1 hours/day |
| Jun | 7.1 hours/day |
| Jul | 6.3 hours/day |
| Aug | 5.4 hours/day |
| Sep | 5.7 hours/day |
| Oct | 5.7 hours/day |
| Nov | 5.3 hours/day |
| Dec | 3.6 hours/day |
| Average | 5.1 hours/day |
Precipitation Levels
| Period | Washington |
|---|---|
| Jan | 0.2in |
| Feb | 0.2in |
| Mar | 0.2in |
| Apr | 0.2in |
| May | 0.2in |
| Jun | 0.2in |
| Jul | 0.2in |
| Aug | 0.2in |
| Sep | 0.2in |
| Oct | 0.2in |
| Nov | 0.1in |
| Dec | 0.2in |
| Average | 0.2in |
Wind Speed
| Period | Washington |
|---|---|
| Jan | 10.8mph |
| Feb | 10.6mph |
| Mar | 11.6mph |
| Apr | 11.1mph |
| May | 9.8mph |
| Jun | 9.1mph |
| Jul | 7.7mph |
| Aug | 7.6mph |
| Sep | 8.1mph |
| Oct | 9.2mph |
| Nov | 10.0mph |
| Dec | 9.6mph |
| Average | 9.6mph |
Humidity
| Period | Washington |
|---|---|
| Jan | 67.1% |
| Feb | 68.9% |
| Mar | 63.4% |
| Apr | 64.0% |
| May | 69.8% |
| Jun | 65.2% |
| Jul | 66.2% |
| Aug | 65.9% |
| Sep | 67.4% |
| Oct | 65.7% |
| Nov | 63.3% |
| Dec | 68.5% |
| Average | 66.3% |
In Washington, D.C., the earliest sunrise occurs in June at 5:43 AM, while the latest sunrise happens in January at 7:23 AM.
The sunset times vary significantly throughout the year, with the earliest sunset at 4:48 PM in December and the latest at 8:34 PM in June, resulting in the shortest day of only 9 hours and 29 minutes in December and the longest day stretching to 14 hours and 50 minutes in June.
These patterns indicate a substantial difference in day length, highlighting the drastic seasonal changes experienced in Washington, D.C.
Sunrise Time
| Period | Washington |
|---|---|
| Jan | 7:23 |
| Feb | 6:59 |
| Mar | 6:57 |
| Apr | 6:31 |
| May | 5:56 |
| Jun | 5:44 |
| Jul | 5:56 |
| Aug | 6:23 |
| Sep | 6:50 |
| Oct | 7:19 |
| Nov | 6:59 |
| Dec | 7:19 |
| Average | 6:42 |
Sunset Time
| Period | Washington |
|---|---|
| Jan | 17:12 |
| Feb | 17:46 |
| Mar | 18:56 |
| Apr | 19:46 |
| May | 20:14 |
| Jun | 20:34 |
| Jul | 20:31 |
| Aug | 20:01 |
| Sep | 19:16 |
| Oct | 18:28 |
| Nov | 17:03 |
| Dec | 16:49 |
| Average | 18:54 |
Useful Day Length
| Period | Washington |
|---|---|
| Jan | 9:49 hours |
| Feb | 10:46 hours |
| Mar | 11:56 hours |
| Apr | 12:46 hours |
| May | 13:14 hours |
| Jun | 13:34 hours |
| Jul | 13:31 hours |
| Aug | 13:01 hours |
| Sep | 12:16 hours |
| Oct | 11:09 hours |
| Nov | 10:03 hours |
| Dec | 9:29 hours |
| Average | 11:48 hours |
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