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St. John, NB Climate Averages

Lat: 45.30N, Lon: 65.87W
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St. John Monthly Averages

12 Month Weather Scroll   °F Click to change St. John weather to Imperial units.F °C
January
February
March
April
May
June
July
August
September
October
November
December
Hi 28°F Lo 17°F Hi 28°F Lo 17°F Hi 35°F Lo 24°F Hi 45°F Lo 33°F Hi 55°F Lo 42°F Hi 63°F Lo 50°F Hi 70°F Lo 57°F Hi 71°F Lo 57°F Hi 65°F Lo 52°F Hi 54°F Lo 43°F Hi 44°F Lo 34°F Hi 34°F Lo 25°F
12 mph 12 mph 12 mph 10 mph 9 mph 8 mph 8 mph 8 mph 9 mph 11 mph 11 mph 12 mph
7.5 in 7.1 in 6 in 6.1 in 6.1 in 5.8 in 3.4 in 3.4 in 4.6 in 6.2 in 7.7 in 9.7 in
85% 86% 83% 81% 81% 82% 83% 82% 81% 80% 80% 82%
60% 64% 58% 56% 52% 46% 41% 35% 38% 45% 51% 60%
30.4 in 30.4 in 30.5 in 30.4 in 30.5 in 30.4 in 30.4 in 30.4 in 30.5 in 30.5 in 30.5 in 30.4 in
7 6 8 7 9 10 12 15 14 12 11 8
13 12 14 19 19 17 16 13 14 17 14 16
20 19 17 7 0 0 0 0 0 1 7 16
0 0 0 2 3 4 6 5 3 1 0 0
1 1 2 3 4 4 5 5 4 2 2 1
201 166 209 226 253 263 299 320 288 265 227 198
January
February
March
April
May
June
July
August
September
October
November
December
Hi -3°C Lo -9°C Hi -2°C Lo -9°C Hi 2°C Lo -5°C Hi 7°C Lo 1°C Hi 13°C Lo 6°C Hi 17°C Lo 10°C Hi 21°C Lo 14°C Hi 22°C Lo 14°C Hi 18°C Lo 11°C Hi 12°C Lo 6°C Hi 6°C Lo 1°C Hi 1°C Lo -4°C
19 km/h 19 km/h 19 km/h 17 km/h 14 km/h 13 km/h 12 km/h 12 km/h 14 km/h 17 km/h 18 km/h 19 km/h
192 mm 180 mm 151 mm 155 mm 156 mm 147 mm 85 mm 85 mm 116 mm 157 mm 195 mm 246 mm
85% 86% 83% 81% 81% 82% 83% 82% 81% 80% 80% 82%
60% 64% 58% 56% 52% 46% 41% 35% 38% 45% 51% 60%
1013 mb 1013 mb 1015 mb 1014 mb 1016 mb 1013 mb 1013 mb 1014 mb 1017 mb 1016 mb 1016 mb 1015 mb
7 6 8 7 9 10 12 15 14 12 11 8
13 12 14 19 19 17 16 13 14 17 14 16
20 19 17 7 0 0 0 0 0 1 7 16
0 0 0 2 3 4 6 5 3 1 0 0
1 1 2 3 4 4 5 5 4 2 2 1
201 166 209 226 253 263 299 320 288 265 227 198
Month
Avg. Temperatures
Avg. Wind Speed
Avg. Precipitation
Average Humidity
Avg. Cloud Cover
Barometric Pressure
Average Dry Days
Avg. Precip. Days
Average Snow Days
Average Fog Days
Average UV Index
Avg. Hours of Sun