Bethesda Weather in December

December in Bethesda brings low temperatures around 9°C (48°F) during the day, dropping to 3°C (37°F) at night, with the most rainfall of the year.

Rainfall in Bethesda in December

An umbrella might come in handy since it is the wettest month of the year. Based on our climate data of the past 30 years, about 21 days of rain are anticipated, with 126 mm (5 in) on average. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in Bethesda in December

Daytime highs in Bethesda in December reach 9°C (48°F), with nights around 3°C (37°F). Winter occurs in December. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. Nights drop to 3°C (37°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Bethesda in December

The area experiences limited sunny days, amounting to roughly 26 hours of sunshine. This makes it perfect for those who lean towards cooler, cloudier settings rather than intense sunlit days.

December in Bethesda 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.