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Chelmsford, Ontario Climate Averages

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Chelmsford Monthly Climate Averages

January
February
March
April
May
June
July
August
September
October
November
December
Hi 19°F Lo 3°F Hi 21°F Lo 5°F Hi 32°F Lo 16°F Hi 44°F Lo 28°F Hi 62°F Lo 42°F Hi 71°F Lo 51°F Hi 76°F Lo 57°F Hi 74°F Lo 56°F Hi 66°F Lo 49°F Hi 51°F Lo 38°F Hi 37°F Lo 26°F Hi 26°F Lo 14°F
7 mph 8 mph 8 mph 8 mph 7 mph 6 mph 6 mph 6 mph 7 mph 7 mph 7 mph 7 mph
1.9 in 1.8 in 2.1 in 3.9 in 3 in 3.6 in 3.7 in 4.1 in 3.8 in 4.8 in 3 in 2.4 in
93% 93% 87% 80% 68% 71% 72% 76% 78% 81% 84% 88%
77% 78% 69% 61% 44% 42% 38% 42% 44% 57% 64% 71%
30.0 in 30.0 in 30.1 in 30.0 in 30.0 in 29.9 in 29.9 in 29.9 in 30.0 in 30.0 in 30.0 in 30.0 in
12 11 15 17 22 22 22 22 22 21 15 13
12 10 9 10 8 8 9 9 8 9 10 11
8 7 7 4 0 0 0 0 0 1 5 7
1 1 1 0 0 0 0 0 1 1 0 1
1 1 1 2 4 4 5 4 3 1 1 1
43 31 73 101 177 172 202 187 180 125 91 61
January
February
March
April
May
June
July
August
September
October
November
December
Hi -7°C Lo -16°C Hi -6°C Lo -15°C Hi -0°C Lo -9°C Hi 7°C Lo -2°C Hi 17°C Lo 6°C Hi 22°C Lo 11°C Hi 24°C Lo 14°C Hi 23°C Lo 13°C Hi 19°C Lo 9°C Hi 11°C Lo 3°C Hi 3°C Lo -3°C Hi -4°C Lo -10°C
12 km/h 12 km/h 12 km/h 12 km/h 11 km/h 10 km/h 10 km/h 10 km/h 10 km/h 12 km/h 12 km/h 12 km/h
49 mm 45 mm 54 mm 98 mm 77 mm 92 mm 94 mm 104 mm 95 mm 121 mm 76 mm 61 mm
93% 93% 87% 80% 68% 71% 72% 76% 78% 81% 84% 88%
77% 78% 69% 61% 44% 42% 38% 42% 44% 57% 64% 71%
1017 mb 1017 mb 1018 mb 1015 mb 1016 mb 1013 mb 1013 mb 1014 mb 1016 mb 1015 mb 1017 mb 1017 mb
12 11 15 17 22 22 22 22 22 21 15 13
12 10 9 10 8 8 9 9 8 9 10 11
8 7 7 4 0 0 0 0 0 1 5 7
1 1 1 0 0 0 0 0 1 1 0 1
1 1 1 2 4 4 5 4 3 1 1 1
43 31 73 101 177 172 202 187 180 125 91 61
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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