Bethesda Weather in December

Bethesda in December sees low temperatures, with highs around 9°C (48°F) and overnight lows of 0°C (32°F). Snow/rainfall is fairly high at around 103 mm (4.1 in) on average, so pack waterproofs just in case.

Rainfall in Bethesda in December

Based on our climate data of the past 30 years, about 11 days of snow/rain are anticipated, with 103 mm (4.1 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 Bethesda in December

Daytime highs in Bethesda in December reach 9°C (48°F), with nights around 0°C (32°F). Experience the winter season in December. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. At 0°C (32°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating.

Sunshine in Bethesda in December

You can expect a moderate amount of sunlight, with approximately 130 hours. This means a pleasant mix of sun and overcast.

Wind Speed in Bethesda in December

In December, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. April typically offers the best weather for Bethesda.

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 Bethesda's climate page.

Bethesda Temperature in December

Min Temperature 0°C (32°F)  

Max Temperature 9°C (48°F)  

Chance of Rain 37%  

Precipitation 103 mm (4.1 in)  

Rainy days 11 days  

Humidity 64% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 130 hours *  

Percentage Sunshine 45% *  

* Data from: Washington DC, the United States of America (15 KM, 9 Miles).

What to Wear in Bethesda in December

Cold weather calls for smart layering in December. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Prepare for significant rainfall with proper waterproof clothing and shoes. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Bethesda 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 Bethesda's climate page.

More climate data for Bethesda

Temperature Rainfall Sunshine Humidity Wind Speed

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