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Manassas, Virginia Climate Averages

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Manassas Monthly Climate Averages

January
February
March
April
May
June
July
August
September
October
November
December
Hi 40°F Lo 27°F Hi 45°F Lo 29°F Hi 54°F Lo 37°F Hi 65°F Lo 46°F Hi 76°F Lo 55°F Hi 85°F Lo 63°F Hi 90°F Lo 68°F Hi 87°F Lo 66°F Hi 80°F Lo 60°F Hi 68°F Lo 50°F Hi 55°F Lo 39°F Hi 46°F Lo 33°F
7 mph 7 mph 7 mph 7 mph 6 mph 5 mph 5 mph 5 mph 5 mph 6 mph 6 mph 6 mph
4 in 4.4 in 5 in 5 in 6.3 in 5.1 in 5.2 in 5.4 in 4.8 in 5.5 in 4 in 5.1 in
73% 75% 74% 72% 75% 72% 70% 72% 75% 76% 74% 77%
43% 45% 45% 41% 43% 32% 30% 32% 36% 37% 34% 43%
30.1 in 30.1 in 30.1 in 30.0 in 30.0 in 30.0 in 30.0 in 30.0 in 30.0 in 30.0 in 30.1 in 30.1 in
19 15 20 23 22 24 25 25 25 25 25 21
6 7 8 7 9 6 6 6 5 6 5 6
7 6 4 0 0 0 0 0 0 0 0 3
4 4 4 3 6 5 4 4 6 5 3 4
2 2 3 4 6 7 6 6 5 3 2 2
273 243 273 278 288 324 346 339 298 295 295 280
January
February
March
April
May
June
July
August
September
October
November
December
Hi 5°C Lo -3°C Hi 7°C Lo -2°C Hi 12°C Lo 3°C Hi 19°C Lo 8°C Hi 24°C Lo 13°C Hi 29°C Lo 17°C Hi 32°C Lo 20°C Hi 31°C Lo 19°C Hi 27°C Lo 16°C Hi 20°C Lo 10°C Hi 13°C Lo 4°C Hi 8°C Lo 1°C
11 km/h 11 km/h 11 km/h 11 km/h 10 km/h 9 km/h 8 km/h 7 km/h 8 km/h 10 km/h 10 km/h 10 km/h
101 mm 112 mm 126 mm 127 mm 160 mm 129 mm 132 mm 136 mm 121 mm 139 mm 100 mm 130 mm
73% 75% 74% 72% 75% 72% 70% 72% 75% 76% 74% 77%
43% 45% 45% 41% 43% 32% 30% 32% 36% 37% 34% 43%
1020 mb 1019 mb 1019 mb 1016 mb 1017 mb 1014 mb 1015 mb 1016 mb 1018 mb 1017 mb 1021 mb 1020 mb
19 15 20 23 22 24 25 25 25 25 25 21
6 7 8 7 9 6 6 6 5 6 5 6
7 6 4 0 0 0 0 0 0 0 0 3
4 4 4 3 6 5 4 4 6 5 3 4
2 2 3 4 6 7 6 6 5 3 2 2
273 243 273 278 288 324 346 339 298 295 295 280
Month
Avg. Temperatures
Avg. Wind Speed
Avg. Precipitation
Average Humidity
Avg. Cloud Cover
Pressure Average
Average Dry Days
Avg. Precip. Days
Avg. Snow Days
Average Fog Days
Average UV Index
Avg. Hours of Sun
Averages are based on historical weather data from the past 10 years.

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