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Cornwall, Pennsylvania Climate Averages

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Cornwall Monthly Climate Averages

January
February
March
April
May
June
July
August
September
October
November
December
Hi 36°F Lo 23°F Hi 40°F Lo 24°F Hi 49°F Lo 32°F Hi 60°F Lo 41°F Hi 70°F Lo 52°F Hi 78°F Lo 60°F Hi 84°F Lo 65°F Hi 82°F Lo 64°F Hi 75°F Lo 57°F Hi 63°F Lo 47°F Hi 51°F Lo 35°F Hi 42°F Lo 29°F
8 mph 8 mph 9 mph 8 mph 7 mph 6 mph 5 mph 5 mph 6 mph 7 mph 7 mph 8 mph
3.2 in 3.2 in 3.6 in 4.2 in 3.8 in 4.1 in 4.3 in 4.4 in 4.5 in 4.1 in 2.9 in 4.1 in
78% 80% 76% 75% 80% 79% 78% 79% 79% 80% 76% 80%
50% 50% 49% 48% 47% 39% 34% 35% 37% 43% 38% 51%
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
18 16 21 22 22 20 21 22 23 24 25 21
8 8 7 7 9 10 10 9 7 7 5 8
5 5 2 0 0 0 0 0 0 0 0 2
1 0 1 0 0 0 0 0 0 1 1 1
1 2 2 3 5 5 5 5 4 3 2 1
141 133 147 150 168 203 231 225 212 184 192 148
January
February
March
April
May
June
July
August
September
October
November
December
Hi 2°C Lo -5°C Hi 4°C Lo -4°C Hi 9°C Lo -0°C Hi 16°C Lo 5°C Hi 21°C Lo 11°C Hi 26°C Lo 15°C Hi 29°C Lo 19°C Hi 28°C Lo 18°C Hi 24°C Lo 14°C Hi 17°C Lo 8°C Hi 10°C Lo 2°C Hi 6°C Lo -2°C
13 km/h 13 km/h 14 km/h 14 km/h 11 km/h 10 km/h 8 km/h 8 km/h 9 km/h 11 km/h 12 km/h 12 km/h
80 mm 82 mm 91 mm 106 mm 97 mm 103 mm 109 mm 112 mm 114 mm 104 mm 74 mm 103 mm
78% 80% 76% 75% 80% 79% 78% 79% 79% 80% 76% 80%
50% 50% 49% 48% 47% 39% 34% 35% 37% 43% 38% 51%
1019 mb 1019 mb 1018 mb 1016 mb 1017 mb 1014 mb 1015 mb 1016 mb 1018 mb 1017 mb 1021 mb 1019 mb
18 16 21 22 22 20 21 22 23 24 25 21
8 8 7 7 9 10 10 9 7 7 5 8
5 5 2 0 0 0 0 0 0 0 0 2
1 0 1 0 0 0 0 0 0 1 1 1
1 2 2 3 5 5 5 5 4 3 2 1
141 133 147 150 168 203 231 225 212 184 192 148
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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