Greenbelt, MD Weather
Greenbelt, MD climate is warm during summer when temperatures tend to be in the 70's and very cold during winter when temperatures tend to be in the 30's.
The warmest month of the year is July with an average maximum temperature of 87.20 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 23.50 degrees Fahrenheit.
Temperature variations between night and day tend to be moderate during summer with a difference that can reach 21 degrees Fahrenheit, and fairly limited during winter with an average difference of 19 degrees Fahrenheit.
The annual average precipitation at Greenbelt is 43.76 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is May with an average rainfall of 4.54 Inches.
Weather Data
Weather Forecast
| Hi: 69°F | Today: Sunny. Highs in the upper 60s. West winds around 5 mph this morning...Becoming light and variable. | |
| Lo: 45°F | ||
| Hi: 70°F | Monday: Sunny. Highs around 70. South winds 5 to 10 mph. | |
| Lo: 49°F | ||
| Hi: 69°F | Tuesday: Partly sunny. Highs in the upper 60s. West winds around 5 mph...Becoming north in the afternoon. | |
| Lo: 45°F | ||
| Hi: 55°F | Veterans day: Mostly sunny. Highs in the mid 50s. | |
| Lo: 35°F | ||
| Hi: 59°F | Thursday: Sunny. Highs in the upper 50s. | |
| Lo: 39°F | ||
| Hi: 61°F | Friday: Sunny. Highs in the lower 60s. | |
| Lo: 45°F |
Moon, Sunrise and Sunset
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Moon Phase: Waning Gibbous Moon | Civil Twilight: 6:13 AM EST |
Sunrise: 6:41 AM EST |
| Sunset: 4:59 PM EST |
Civil Twilight: 5:27 PM EST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 41.7 | 44.8 | 54.0 | 64.7 | 74.0 | 82.7 | 87.2 | 85.6 | 78.9 | 67.6 | 56.9 | 46.1 | 65.4 |
| Mean °F | 32.6 | 35.4 | 43.8 | 53.3 | 63.0 | 72.1 | 76.9 | 75.3 | 68.4 | 56.1 | 46.7 | 37.3 | 55.1 |
| Min °F | 23.5 | 25.9 | 33.5 | 41.9 | 51.9 | 61.4 | 66.5 | 65.0 | 57.8 | 44.5 | 36.4 | 28.5 | 44.7 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 3.43 | 2.69 | 3.87 | 3.33 | 4.54 | 3.59 | 4.09 | 3.69 | 4.35 | 3.56 | 3.32 | 3.30 | 43.76 |

