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Portage, Alaska Climate Averages

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Portage Monthly Climate Averages

January
February
March
April
May
June
July
August
September
October
November
December
Hi 16°F Lo 7°F Hi 20°F Lo 9°F Hi 22°F Lo 11°F Hi 30°F Lo 19°F Hi 41°F Lo 30°F Hi 51°F Lo 38°F Hi 56°F Lo 44°F Hi 53°F Lo 41°F Hi 43°F Lo 33°F Hi 29°F Lo 22°F Hi 18°F Lo 10°F Hi 17°F Lo 8°F
6 mph 6 mph 5 mph 5 mph 5 mph 4 mph 4 mph 4 mph 5 mph 5 mph 6 mph 6 mph
19.3 in 15 in 12.3 in 12.1 in 13.1 in 9.7 in 11.3 in 20 in 23.7 in 22 in 18.1 in 20.3 in
91% 90% 92% 91% 85% 81% 85% 87% 89% 90% 89% 92%
66% 68% 64% 66% 61% 60% 64% 66% 69% 68% 64% 71%
29.7 in 29.8 in 29.8 in 29.8 in 29.9 in 29.9 in 30.0 in 29.9 in 29.8 in 29.7 in 29.6 in 29.7 in
4 3 3 4 14 18 18 15 12 8 3 2
9 8 8 11 14 12 13 16 17 18 12 10
20 21 22 17 3 0 0 0 1 6 17 23
7 4 6 7 4 2 3 4 3 4 2 6
1 1 1 1 2 3 3 2 1 1 1 1
169 147 185 179 202 217 201 181 162 162 180 155
January
February
March
April
May
June
July
August
September
October
November
December
Hi -9°C Lo -14°C Hi -7°C Lo -13°C Hi -5°C Lo -12°C Hi -1°C Lo -7°C Hi 5°C Lo -1°C Hi 10°C Lo 3°C Hi 14°C Lo 7°C Hi 12°C Lo 5°C Hi 6°C Lo 0°C Hi -2°C Lo -5°C Hi -8°C Lo -12°C Hi -9°C Lo -13°C
9 km/h 9 km/h 8 km/h 7 km/h 7 km/h 7 km/h 7 km/h 7 km/h 8 km/h 8 km/h 9 km/h 9 km/h
490 mm 381 mm 312 mm 307 mm 333 mm 247 mm 288 mm 509 mm 603 mm 559 mm 459 mm 516 mm
91% 90% 92% 91% 85% 81% 85% 87% 89% 90% 89% 92%
66% 68% 64% 66% 61% 60% 64% 66% 69% 68% 64% 71%
1005 mb 1010 mb 1008 mb 1011 mb 1014 mb 1013 mb 1015 mb 1012 mb 1008 mb 1006 mb 1004 mb 1004 mb
4 3 3 4 14 18 18 15 12 8 3 2
9 8 8 11 14 12 13 16 17 18 12 10
20 21 22 17 3 0 0 0 1 6 17 23
7 4 6 7 4 2 3 4 3 4 2 6
1 1 1 1 2 3 3 2 1 1 1 1
169 147 185 179 202 217 201 181 162 162 180 155
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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