Typical Weather in Washington DC, MD in December
48° F Avg High
34° F Avg Low
6 Rainy Days
☀️ Temperature Summary
December is one of the cooler months of the year for Washington DC, with highs averaging around 48°F. You can expect overnight lows near 34°F most days. Temperatures will usually fall as the month goes on, with daily high temperatures ranging between 54°F and 46°F.
December is a great time to visit Washington DC, with mild temperatures and sunny days being very common.
High Temps Throughout the Year
🎒 What to Pack
Pick up a few of these items to keep your trip fun and comfortable.
☔ Rain Summary
In December you can expect close to a 19% chance of rain for any given day. It rains less than usual in December, with total rainfall for the month typically near 3 inches.
Rainfall Throughout the Year
Planning a trip to Washington DC? Try our free trip weather planner