Weather and climate in Glover Park, DC

Local time 8:01 am EST 38.92° N, 77.08° W
Best for stargazingNov, Oct, SepMost clear, dark hours
Warmest monthJulyAverage high 87°F
Coolest monthJanuaryAverage low 25°F
Wettest monthJune4.7 in on average

What the weather is like in Glover Park

The warmest month in Glover Park is July, with average highs of 87°F. The coolest is January, when nights average 25°F. About 45.4 in of rain and snow falls in a typical year, most in June and least in January.

Skies are clearest in September (51% average cloud cover) and cloudiest in December (63%). Combining cloud with the length of truly dark nights, November, October, September offer the most clear, dark hours for stargazing.

Clear, dark hours per night

Hours of full astronomical darkness in mid-month, multiplied by the average share of clear sky. A rough guide to how much good observing time a typical night offers.

Monthly averages

MonthHighLowPrecipitationCloud coverHumidityWindDark hours
January 39°F 25°F 2.6 in 63% 82% 7 mph 11.1 h
February 43°F 26°F 2.7 in 62% 80% 7 mph 10.2 h
March 52°F 33°F 3.3 in 61% 79% 7 mph 9.1 h
April 64°F 44°F 3.6 in 59% 76% 7 mph 7.6 h
May 73°F 54°F 4.3 in 62% 78% 6 mph 6.1 h
June 82°F 64°F 4.7 in 56% 74% 5 mph 5.2 h
July 87°F 69°F 4.6 in 53% 69% 4 mph 5.6 h
August 86°F 68°F 4.3 in 53% 70% 4 mph 7.0 h
September 80°F 61°F 4.2 in 51% 72% 5 mph 8.6 h
October 67°F 49°F 4.1 in 54% 76% 6 mph 9.9 h
November 55°F 37°F 3.2 in 55% 79% 6 mph 10.9 h
December 44°F 30°F 3.7 in 63% 83% 6 mph 11.4 h

Climate averages: NASA POWER, 2001–2025, for the grid area around 39.00, -76.88 (about 50 km across). High and low temperatures are estimated from the monthly mean and the average daily range. Hills, coasts and cities can differ from the area average. Aurora outlook for Glover Park · Sources and methods.