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Washington, Missouri Climate Averages

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Washington Monthly Climate Averages

January
February
March
April
May
June
July
August
September
October
November
December
Hi 39°F Lo 25°F Hi 42°F Lo 27°F Hi 55°F Lo 38°F Hi 65°F Lo 46°F Hi 75°F Lo 56°F Hi 85°F Lo 65°F Hi 89°F Lo 68°F Hi 88°F Lo 66°F Hi 81°F Lo 59°F Hi 67°F Lo 48°F Hi 54°F Lo 38°F Hi 44°F Lo 30°F
9 mph 8 mph 8 mph 8 mph 7 mph 6 mph 6 mph 6 mph 6 mph 7 mph 8 mph 8 mph
2.7 in 2.9 in 4.6 in 6.4 in 6.3 in 5.5 in 4.6 in 5.7 in 4.1 in 4.5 in 3.3 in 2.8 in
75% 76% 75% 75% 78% 76% 75% 73% 72% 70% 71% 75%
49% 50% 47% 42% 38% 27% 27% 28% 28% 33% 36% 46%
30.1 in 30.1 in 30.1 in 29.9 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
19 17 22 23 21 21 23 24 25 26 24 23
4 3 6 7 10 9 8 7 5 5 4 4
8 8 3 1 0 0 0 0 0 0 1 5
3 3 2 3 5 5 4 5 5 3 1 2
2 2 3 4 5 7 6 6 5 3 2 2
162 145 162 175 204 251 258 257 248 226 209 174
January
February
March
April
May
June
July
August
September
October
November
December
Hi 4°C Lo -4°C Hi 5°C Lo -3°C Hi 13°C Lo 3°C Hi 18°C Lo 8°C Hi 24°C Lo 13°C Hi 30°C Lo 18°C Hi 32°C Lo 20°C Hi 31°C Lo 19°C Hi 27°C Lo 15°C Hi 20°C Lo 9°C Hi 12°C Lo 3°C Hi 7°C Lo -1°C
14 km/h 14 km/h 14 km/h 13 km/h 11 km/h 10 km/h 9 km/h 9 km/h 10 km/h 12 km/h 13 km/h 13 km/h
68 mm 73 mm 115 mm 162 mm 160 mm 139 mm 117 mm 143 mm 103 mm 114 mm 83 mm 71 mm
75% 76% 75% 75% 78% 76% 75% 73% 72% 70% 71% 75%
49% 50% 47% 42% 38% 27% 27% 28% 28% 33% 36% 46%
1021 mb 1021 mb 1018 mb 1014 mb 1014 mb 1013 mb 1015 mb 1015 mb 1017 mb 1017 mb 1020 mb 1020 mb
19 17 22 23 21 21 23 24 25 26 24 23
4 3 6 7 10 9 8 7 5 5 4 4
8 8 3 1 0 0 0 0 0 0 1 5
3 3 2 3 5 5 4 5 5 3 1 2
2 2 3 4 5 7 6 6 5 3 2 2
162 145 162 175 204 251 258 257 248 226 209 174
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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