Greenbelt Weather in May

May in Greenbelt sees daytime temperatures around 24°C (75°F) and lows of 13°C (55°F) at night. With around 110 mm (4.3 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Greenbelt in May

Expect around 12 days of rain based on historical data, with 110 mm (4.3 in) average. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Greenbelt in May

Daytime temperatures in Greenbelt reach 24°C (75°F) in May, dropping to 13°C (55°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights cool down to 13°C (55°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Greenbelt in May

Expect a lot of sunshine this month, with about 259 hours of sun. These sunny conditions add to the overall experience.

Wind Speed in Greenbelt in May

Wind speeds average 4 m/s (8 knots) during May. 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.

If you're inclined towards comfortable temperatures and drier conditions, May is a good time to visit Greenbelt.

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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 May

Min Temperature 13°C (55°F)  

Max Temperature 24°C (75°F)  

Chance of Rain 40%  

Precipitation 110 mm (4.3 in)  

Rainy days 12 days  

Humidity 64% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 259 hours *  

Percentage Sunshine 59% *  

* Data from: Washington DC, the United States of America (21 KM, 13 Miles).

What to Wear in Greenbelt in May

For Greenbelt in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Greenbelt in May

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

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.