Ashburn Weather in December

Thinking of visiting Ashburn in December? Expect low temperatures reaching 9°C (48°F) during the day, dropping to -1°C (30°F) at night, and note that quite a bit of snow/rainfall is likely.

Rainfall in Ashburn in December

Historically, approximately 11 days this month are expected to have snow/rain, averaging 95 mm (3.7 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Ashburn in December

In December, Ashburn sees low temperatures, with highs of 9°C (48°F). Nights drop to around -1°C (30°F). During December, the winter season is in full swing. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. With lows of -1°C (30°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated.

Sunshine in Ashburn in December

The month experiences a moderate amount of sunlight, with 130 hours of sunshine. This provides a nice balance between sunshine and clouds.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Ashburn. Our weather planner can help you explore destinations with more pleasant weather conditions.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

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

Ashburn Temperature in December

Min Temperature -1°C (30°F)  

Max Temperature 9°C (48°F)  

Chance of Rain 37%  

Precipitation 95 mm (3.7 in)  

Rainy days 11 days  

Humidity 64% *  

Sunshine 130 hours *  

Percentage Sunshine 45% *  

* Data from: Washington DC, the United States of America (44 KM, 27 Miles).

What to Wear in Ashburn in December

We recommend to layer up for chilly conditions in Ashburn in December. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Ashburn in December

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

Swimming

5/10

Cycling

4/10

Walking

4/10

Camping

1/10

Outdoor sports

4/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

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

More climate data for Ashburn

Temperature Rainfall Sunshine Humidity

See the full Ashburn climate overview or explore weather in the United States of America.