Greenbelt Weather in December

Greenbelt in December sees low daytime temperatures of 9°C (48°F) and nighttime lows of -1°C (30°F). Rainfall is fairly high this month at around 100 mm (3.9 in), so pack a rain jacket to stay dry.

Rainfall in Greenbelt in December

Analyzing past climate data, one can expect approximately 11 days of snow/rain, averaging 100 mm (3.9 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Greenbelt in December

In December, Greenbelt sees low temperatures, with highs of 9°C (48°F). Nights drop to around -1°C (30°F). Winter occurs in December. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. With lows of -1°C (30°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated.

Sunshine in Greenbelt in December

The area enjoys a moderate level of sunlight, with around 130 hours. It's a good balance between sunny and cloudy days.

Wind Speed in Greenbelt in December

Wind speeds average 4 m/s (8 knots) during December. At this speed, expect moderate winds that can raise dust and move small branches. Since this is an average, some days have gentle light winds while others experience stronger breezes that are quite noticeable.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. April, May, June, September and October typically offer the best weather for Greenbelt.

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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 Greenbelt's climate page.

Greenbelt Temperature in December

Min Temperature -1°C (30°F)  

Max Temperature 9°C (48°F)  

Chance of Rain 37%  

Precipitation 100 mm (3.9 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 (21 KM, 13 Miles).

What to Wear in Greenbelt in December

Dress warmly and in layers for your trip to Greenbelt 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Greenbelt 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 Greenbelt's climate page.

More climate data for Greenbelt

Temperature Rainfall Sunshine Humidity Wind Speed

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