Ashburn Weather in December

December in Ashburn typically sees daytime highs of 17°C (63°F) and nighttime lows of 5°C (41°F). Rainfall is also possible this month, so it's worth packing an umbrella. It falls within the winter season.

Rainfall in Ashburn in December

Based on our climate data of the past 30 years, about 10 days of rain are anticipated, with 123 mm (4.8 in) on average. 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

If you're visiting Ashburn in December, expect highs of 17°C (63°F) and overnight lows around 5°C (41°F). The month of December belongs to the winter season. The difference between afternoon and evening temperatures is usually noticeable. Nights drop to 5°C (41°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

For Ashburn itself, March, May, October and November generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.