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Thunder Bay Island, Michigan Climate Averages

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Thunder Bay Island Monthly Climate Averages

January
February
March
April
May
June
July
August
September
October
November
December
Hi 25°F Lo 18°F Hi 26°F Lo 17°F Hi 35°F Lo 25°F Hi 45°F Lo 34°F Hi 58°F Lo 44°F Hi 66°F Lo 51°F Hi 74°F Lo 59°F Hi 74°F Lo 60°F Hi 67°F Lo 54°F Hi 55°F Lo 45°F Hi 42°F Lo 34°F Hi 32°F Lo 26°F
11 mph 11 mph 10 mph 11 mph 9 mph 8 mph 8 mph 8 mph 9 mph 11 mph 11 mph 11 mph
1.8 in 1.8 in 2.2 in 3.6 in 3.4 in 3 in 3.3 in 3.3 in 2.6 in 3.6 in 2.1 in 2 in
85% 86% 81% 76% 74% 76% 77% 77% 76% 77% 78% 81%
79% 75% 61% 54% 41% 35% 30% 30% 35% 52% 56% 73%
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
4 3 9 16 24 25 26 26 25 24 12 6
5 4 6 7 6 5 5 5 5 6 6 6
24 22 16 7 0 0 0 0 0 1 11 21
1 1 2 2 3 4 2 1 0 1 0 1
1 1 2 2 4 5 5 5 3 2 1 1
102 115 196 224 283 299 325 333 300 243 215 141
January
February
March
April
May
June
July
August
September
October
November
December
Hi -4°C Lo -8°C Hi -3°C Lo -8°C Hi 2°C Lo -4°C Hi 7°C Lo 1°C Hi 14°C Lo 6°C Hi 19°C Lo 11°C Hi 23°C Lo 15°C Hi 24°C Lo 16°C Hi 20°C Lo 12°C Hi 13°C Lo 7°C Hi 6°C Lo 1°C Hi 0°C Lo -3°C
18 km/h 17 km/h 17 km/h 17 km/h 14 km/h 12 km/h 12 km/h 13 km/h 14 km/h 17 km/h 18 km/h 18 km/h
45 mm 46 mm 55 mm 91 mm 85 mm 77 mm 84 mm 83 mm 65 mm 90 mm 53 mm 51 mm
85% 86% 81% 76% 74% 76% 77% 77% 76% 77% 78% 81%
79% 75% 61% 54% 41% 35% 30% 30% 35% 52% 56% 73%
1017 mb 1018 mb 1019 mb 1015 mb 1016 mb 1013 mb 1014 mb 1014 mb 1016 mb 1015 mb 1017 mb 1017 mb
4 3 9 16 24 25 26 26 25 24 12 6
5 4 6 7 6 5 5 5 5 6 6 6
24 22 16 7 0 0 0 0 0 1 11 21
1 1 2 2 3 4 2 1 0 1 0 1
1 1 2 2 4 5 5 5 3 2 1 1
102 115 196 224 283 299 325 333 300 243 215 141
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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