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The weather in Mount Vernon in December is very cold with temperatures between 1°C and 6°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Mount Vernon during the month of December. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
You can expect a few days of snow in Mount Vernon during December. It’s important to get out your snow boots and warm mittens to stay warm while you explore Mount Vernon.
Our weather forecast can give you a great sense of what weather to expect in Mount Vernon in December 2024.
If you’re planning to visit Mount Vernon in the near future, we highly recommend that you review the 14 day weather forecast for Mount Vernon before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 2° / -3° | 5 | 18 | 8 | 101 mm | Awful | Mount Vernon in January |
| February | 4° / -3° | 6 | 13 | 9 | 120 mm | Awful | Mount Vernon in February |
| March | 8° / 2° | 7 | 19 | 5 | 133 mm | Awful | Mount Vernon in March |
| April | 14° / 7° | 8 | 22 | 1 | 128 mm | Ok | Mount Vernon in April |
| May | 20° / 12° | 8 | 23 | 0 | 141 mm | Ok | Mount Vernon in May |
| June | 26° / 17° | 7 | 23 | 0 | 152 mm | Good | Mount Vernon in June |
| July | 29° / 21° | 10 | 21 | 0 | 202 mm | Ok | Mount Vernon in July |
| August | 29° / 21° | 7 | 24 | 0 | 189 mm | Ok | Mount Vernon in August |
| September | 25° / 17° | 5 | 25 | 0 | 132 mm | Perfect | Mount Vernon in September |
| October | 18° / 12° | 6 | 25 | 0 | 147 mm | Good | Mount Vernon in October |
| November | 11° / 5° | 5 | 24 | 1 | 96 mm | Ok | Mount Vernon in November |
| December | 6° / 1° | 7 | 19 | 5 | 151 mm | Awful | Mount Vernon in December |