Click on a day for an hourly weather forecast
The temperatures in Washington DC in May are comfortable with low of 14°C and and high up to 24°C.
You can expect rain for roughly half of the month of May in Washington DC. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Washington DC in May 2025.
If you’re planning to visit Washington DC in the near future, we highly recommend that you review the 14 day weather forecast for Washington DC before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 5° / -2° | 5 | 20 | 6 | 84 mm | Awful | Washington DC in January |
| February | 7° / -1° | 7 | 16 | 5 | 101 mm | Awful | Washington DC in February |
| March | 12° / 4° | 7 | 21 | 3 | 104 mm | Awful | Washington DC in March |
| April | 19° / 9° | 7 | 23 | 0 | 104 mm | Ok | Washington DC in April |
| May | 24° / 14° | 8 | 23 | 0 | 137 mm | Good | Washington DC in May |
| June | 29° / 19° | 6 | 24 | 0 | 126 mm | Good | Washington DC in June |
| July | 32° / 21° | 7 | 24 | 0 | 146 mm | Ok | Washington DC in July |
| August | 31° / 21° | 6 | 25 | 0 | 146 mm | Good | Washington DC in August |
| September | 27° / 18° | 5 | 25 | 0 | 119 mm | Perfect | Washington DC in September |
| October | 21° / 12° | 5 | 26 | 0 | 120 mm | Good | Washington DC in October |
| November | 13° / 5° | 4 | 26 | 0 | 79 mm | Ok | Washington DC in November |
| December | 8° / 2° | 6 | 22 | 3 | 104 mm | Bad | Washington DC in December |