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Washington, D.C. Climate Averages

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Washington Monthly Climate Averages

January
February
March
April
May
June
July
August
September
October
November
December
Hi 41°F Lo 29°F Hi 45°F Lo 31°F Hi 54°F Lo 38°F Hi 66°F Lo 48°F Hi 75°F Lo 57°F Hi 84°F Lo 65°F Hi 90°F Lo 70°F Hi 88°F Lo 69°F Hi 81°F Lo 63°F Hi 69°F Lo 53°F Hi 56°F Lo 42°F Hi 47°F Lo 35°F
8 mph 8 mph 8 mph 8 mph 7 mph 6 mph 5 mph 5 mph 6 mph 7 mph 7 mph 7 mph
3.1 in 4 in 4.1 in 4.1 in 5.4 in 4.7 in 5.4 in 5.4 in 4.4 in 4.4 in 2.9 in 3.9 in
71% 73% 70% 69% 75% 72% 69% 70% 71% 72% 70% 73%
42% 44% 44% 41% 42% 32% 29% 31% 34% 37% 34% 43%
30.1 in 30.1 in 30.1 in 30.0 in 30.0 in 29.9 in 30.0 in 30.0 in 30.0 in 30.0 in 30.1 in 30.1 in
21 16 21 23 23 24 25 25 25 27 26 23
5 7 7 7 8 6 6 6 5 4 4 6
5 5 3 0 0 0 0 0 0 0 0 3
2 2 2 2 6 5 4 3 4 3 2 3
2 2 3 4 6 7 7 7 5 4 3 2
185 163 173 187 194 233 249 238 217 214 218 185
January
February
March
April
May
June
July
August
September
October
November
December
Hi 5°C Lo -2°C Hi 7°C Lo -1°C Hi 12°C Lo 4°C Hi 19°C Lo 9°C Hi 24°C Lo 14°C Hi 29°C Lo 18°C Hi 32°C Lo 21°C Hi 31°C Lo 21°C Hi 27°C Lo 17°C Hi 21°C Lo 12°C Hi 13°C Lo 5°C Hi 8°C Lo 2°C
12 km/h 13 km/h 13 km/h 13 km/h 10 km/h 9 km/h 8 km/h 8 km/h 9 km/h 11 km/h 11 km/h 11 km/h
79 mm 101 mm 104 mm 104 mm 137 mm 119 mm 138 mm 138 mm 112 mm 112 mm 75 mm 98 mm
71% 73% 70% 69% 75% 72% 69% 70% 71% 72% 70% 73%
42% 44% 44% 41% 42% 32% 29% 31% 34% 37% 34% 43%
1019 mb 1019 mb 1019 mb 1016 mb 1017 mb 1014 mb 1015 mb 1016 mb 1017 mb 1017 mb 1021 mb 1020 mb
21 16 21 23 23 24 25 25 25 27 26 23
5 7 7 7 8 6 6 6 5 4 4 6
5 5 3 0 0 0 0 0 0 0 0 3
2 2 2 2 6 5 4 3 4 3 2 3
2 2 3 4 6 7 7 7 5 4 3 2
185 163 173 187 194 233 249 238 217 214 218 185
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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