Reston
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Reston Weather in December

With daytime temperatures of 9°C (48°F) and nighttime lows of -1°C (30°F), December in Reston brings low temperatures during the day. Do keep in mind that quite a bit of snow/rainfall is typical. Around 96 mm (3.8 in) falls on average.

Rainfall in Reston in December

Historically, approximately 11 days this month are expected to have snow/rain, averaging 96 mm (3.8 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Reston in December

Daytime temperatures in Reston reach 9°C (48°F) in December, dropping to -1°C (30°F) at night. During December, the winter season is in full swing. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. With overnight lows of -1°C (30°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold.

Sunshine in Reston in December

The area enjoys a balanced 130 hours of sunlight, ensuring it's neither too overcast nor too sunny.

December in Reston has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.

Reston Temperature in December

Min Temperature
-1°C (30°F)
Max Temperature
9°C (48°F)
Chance of Rain
37%
Precipitation
96 mm (3.8 in)
Rainy days
11 days
Humidity
64% *
Sunshine
130 hours *
Percentage Sunshine
45% *
* Data from: Washington DC, the United States of America (30 KM, 18 Miles).

Reston Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Reston - and find the best time to visit.

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 →

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 Reston in December

Dress warmly and in layers for your trip to Reston 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. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Reston 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

Reston 3-Day Forecast

Popular in December

Where to go in December - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.