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Decatur, Pennsylvania Climate Averages

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Decatur Monthly Climate Averages

January
February
March
April
May
June
July
August
September
October
November
December
Hi 34°F Lo 21°F Hi 38°F Lo 22°F Hi 47°F Lo 30°F Hi 59°F Lo 39°F Hi 70°F Lo 50°F Hi 78°F Lo 57°F Hi 84°F Lo 63°F Hi 82°F Lo 61°F Hi 75°F Lo 55°F Hi 62°F Lo 44°F Hi 49°F Lo 33°F Hi 40°F Lo 27°F
7 mph 7 mph 7 mph 7 mph 6 mph 6 mph 5 mph 4 mph 5 mph 6 mph 6 mph 7 mph
2.9 in 3.1 in 3.3 in 4.1 in 4.2 in 4 in 4 in 3.9 in 5.2 in 4.1 in 2.7 in 4 in
81% 82% 77% 76% 78% 76% 75% 77% 79% 80% 78% 82%
59% 57% 52% 49% 48% 40% 37% 38% 40% 46% 43% 57%
30.1 in 30.1 in 30.1 in 30.0 in 30.0 in 29.9 in 30.0 in 30.0 in 30.1 in 30.0 in 30.1 in 30.1 in
17 14 20 22 21 20 21 22 23 24 24 18
9 9 8 8 10 10 10 9 7 7 5 9
6 5 3 0 0 0 0 0 0 0 1 4
1 0 1 0 0 0 0 0 1 1 0 1
1 1 2 3 5 6 5 5 4 2 1 1
104 105 137 144 166 190 214 211 200 171 171 114
January
February
March
April
May
June
July
August
September
October
November
December
Hi 1°C Lo -6°C Hi 3°C Lo -6°C Hi 9°C Lo -1°C Hi 15°C Lo 4°C Hi 21°C Lo 10°C Hi 26°C Lo 14°C Hi 29°C Lo 17°C Hi 28°C Lo 16°C Hi 24°C Lo 13°C Hi 17°C Lo 7°C Hi 9°C Lo 1°C Hi 4°C Lo -3°C
12 km/h 11 km/h 12 km/h 11 km/h 9 km/h 9 km/h 7 km/h 7 km/h 8 km/h 9 km/h 10 km/h 11 km/h
74 mm 79 mm 83 mm 104 mm 106 mm 102 mm 101 mm 100 mm 133 mm 105 mm 69 mm 101 mm
81% 82% 77% 76% 78% 76% 75% 77% 79% 80% 78% 82%
59% 57% 52% 49% 48% 40% 37% 38% 40% 46% 43% 57%
1019 mb 1019 mb 1018 mb 1016 mb 1017 mb 1014 mb 1015 mb 1016 mb 1018 mb 1017 mb 1021 mb 1019 mb
17 14 20 22 21 20 21 22 23 24 24 18
9 9 8 8 10 10 10 9 7 7 5 9
6 5 3 0 0 0 0 0 0 0 1 4
1 0 1 0 0 0 0 0 1 1 0 1
1 1 2 3 5 6 5 5 4 2 1 1
104 105 137 144 166 190 214 211 200 171 171 114
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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