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Mount Vernon Weather in December

December in Mount Vernon sees daytime temperatures around 7°C (45°F) and lows of 1°C (34°F) at night. With around 121 mm (4.8 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Mount Vernon in December

Based on our climate data of the past 30 years, about 23 days of rain are anticipated, with 121 mm (4.8 in) on average. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in Mount Vernon in December

If you're visiting Mount Vernon in December, expect highs of 7°C (45°F) and overnight lows around 1°C (34°F). The month of December belongs to the winter season. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. With lows around 1°C (34°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep. Expect the coldest temperatures of the year this month. Make sure you have enough winter clothing to stay warm.

Sunshine in Mount Vernon in December

With limited sunshine this month, there are about 65 hours of sun. It's ideal for those who prefer a cooler, cloudier climate.

December in Mount Vernon has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.

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Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit the United States of America, check out our Mount Vernon's climate page.

Mount Vernon Temperature in December

Min TemperatureMin Temperature 1°C (34°F)  
Max TemperatureMax Temperature 7°C (45°F)  
Chance of RainChance of Rain 75%  
PrecipitationPrecipitation 121 mm (4.8 in)  
Rainy daysRainy days 23 days  
SunshineSunshine 65 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Bellingham, the United States of America (38 KM, 24 Miles).

Best Places in the United States of America in December

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in December →

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Mount Vernon in December

Dress warmly and in layers for your trip to Mount Vernon in December. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Expect heavy rainfall, so bring good rain protection and waterproof bags. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.

What To Do in Mount Vernon in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
4/10
Cycling
4/10
Walking
4/10
Camping
3/10
Outdoor sports
4/10

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit the United States of America, check out our Mount Vernon's climate page.

More climate data for Mount Vernon