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The weather in Washington in December is very cold with temperatures between 1°C and 7°C, warm clothes are a must.
You can expect rain for roughly half of the month of December in Washington. 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.
Please note that Washington can expect a few days of snow in December.
Our weather forecast can give you a great sense of what weather to expect in Washington in December 2024.
If you’re planning to visit Washington in the near future, we highly recommend that you review the 14 day weather forecast for Washington before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 8° / 2° | 13 | 16 | 2 | 263 mm | Awful | Washington in January |
| February | 8° / 2° | 11 | 13 | 4 | 201 mm | Awful | Washington in February |
| March | 11° / 3° | 13 | 16 | 2 | 217 mm | Awful | Washington in March |
| April | 14° / 4° | 9 | 20 | 1 | 154 mm | Ok | Washington in April |
| May | 19° / 6° | 6 | 25 | 0 | 98 mm | Good | Washington in May |
| June | 22° / 9° | 4 | 26 | 0 | 84 mm | Good | Washington in June |
| July | 27° / 11° | 1 | 30 | 0 | 14 mm | Perfect | Washington in July |
| August | 27° / 12° | 1 | 30 | 0 | 20 mm | Perfect | Washington in August |
| September | 23° / 11° | 4 | 26 | 0 | 95 mm | Perfect | Washington in September |
| October | 16° / 8° | 9 | 22 | 0 | 201 mm | Ok | Washington in October |
| November | 10° / 4° | 13 | 17 | 1 | 222 mm | Bad | Washington in November |
| December | 7° / 1° | 12 | 17 | 2 | 261 mm | Awful | Washington in December |