Climate of Washington D.C.
Washington D.C. has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Washington D.C. is 18° degrees and there is about 528 mm of rain in a year. It is dry for 198 days a year with an average humidity of 74% and an UV-index of 4.
Climate averages for the whole year
- Day: the average daily temperature during the day is between 4°C and 30°C
- Night:the average nighttime temperature is between -3°C and 20°C
- Rain: it rains 139 days and there is a total of approximately 527 mm rainfall
- Snow: it snows an average of 12 days per year
- Sun hours: throughout the year there are 2852 sun hours
Maximum temperature: | between 4°C and 30°C |
Warmest month: | 30°C in July |
Coldest month: | 4°C in January |
Night temperature: | between -3°C and 20°C |
Dry days: | 214 days |
Days with rain: | 139 days |
Days with snow: | 12 days |
Total rain sum: | 527 mm |
Hours of sunshine: | 2852 hours |
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Temperature graph
This graph shows the average maximum temperature (red) and minimum temperature (blue) for Washington D.C..
Precipitation graph
This graph shows the average amount of rainfall per month for Washington D.C..
Climate table of Washington D.C.
In this climate table you can see at a glance what the average weather per month is for Washington D.C.. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Washington D.C. might be like in a given month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Day temp. (°C) | 4 | 7 | 11 | 18 | 24 | 28 | 30 | 30 | 26 | 19 | 13 | 8 |
Night temp. (°C) | -3 | -1 | 3 | 8 | 14 | 18 | 20 | 20 | 16 | 10 | 4 | 1 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Precipitation (mm) | 36 | 38 | 44 | 37 | 55 | 43 | 47 | 47 | 48 | 45 | 41 | 46 |
Days with rain | 9 | 9 | 12 | 13 | 15 | 13 | 14 | 14 | 12 | 10 | 8 | 10 |
Days with snow | 4 | 4 | 2 | - | - | - | - | - | - | - | - | 2 |
Dry days | 18 | 15 | 17 | 17 | 16 | 17 | 17 | 17 | 18 | 21 | 22 | 19 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Sun hours per day | 5 | 5 | 7 | 9 | 9 | 10 | 11 | 11 | 9 | 6 | 6 | 5 |
Wind force (Bft) | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 |
UV-index | 2 | 3 | 3 | 4 | 6 | 6 | 6 | 6 | 5 | 4 | 3 | 2 |
Best time to visit Washington D.C.
The best time to visit Washington D.C. in the United States is from April through October. In this period you have a warm temperature and little precipitation. The highest average temperature in Washington D.C. is 30°C in July and the lowest is 4°C in January.
Climate of Washington D.C. by month
What is the average climate in a given month for Washington D.C.? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.
Washington D.C. weather experiences
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