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Portage Glacier, Alaska Climate Averages

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Portage Glacier Monthly Climate Averages

January
February
March
April
May
June
July
August
September
October
November
December
Hi 16°F Lo 4°F Hi 23°F Lo 5°F Hi 29°F Lo 5°F Hi 35°F Lo 14°F Hi 44°F Lo 26°F Hi 53°F Lo 34°F Hi 57°F Lo 38°F Hi 55°F Lo 36°F Hi 48°F Lo 32°F Hi 38°F Lo 24°F Hi 25°F Lo 13°F Hi 18°F Lo 7°F
6 mph 6 mph 5 mph 5 mph 4 mph 4 mph 4 mph 4 mph 5 mph 5 mph 6 mph 6 mph
21.2 in 15.7 in 12.8 in 12.8 in 14 in 10.2 in 11.1 in 19.8 in 24.1 in 22.5 in 19 in 21.3 in
91% 90% 92% 90% 85% 83% 85% 87% 89% 88% 88% 91%
64% 66% 61% 63% 60% 59% 61% 65% 67% 67% 61% 69%
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 4 4 4 15 19 19 15 13 9 3 2
10 8 9 12 13 11 12 16 17 17 13 10
19 20 21 16 3 0 0 0 0 4 16 23
6 5 6 8 3 2 3 4 3 3 2 5
1 1 1 1 2 3 3 2 2 1 1 1
176 158 193 185 205 222 215 186 167 170 186 165
January
February
March
April
May
June
July
August
September
October
November
December
Hi -9°C Lo -15°C Hi -5°C Lo -15°C Hi -2°C Lo -15°C Hi 2°C Lo -10°C Hi 7°C Lo -3°C Hi 12°C Lo 1°C Hi 14°C Lo 3°C Hi 13°C Lo 2°C Hi 9°C Lo -0°C Hi 3°C Lo -4°C Hi -4°C Lo -11°C Hi -8°C Lo -14°C
10 km/h 9 km/h 9 km/h 8 km/h 7 km/h 7 km/h 7 km/h 7 km/h 8 km/h 8 km/h 10 km/h 10 km/h
539 mm 400 mm 324 mm 325 mm 355 mm 259 mm 282 mm 504 mm 612 mm 572 mm 484 mm 542 mm
91% 90% 92% 90% 85% 83% 85% 87% 89% 88% 88% 91%
64% 66% 61% 63% 60% 59% 61% 65% 67% 67% 61% 69%
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 4 4 4 15 19 19 15 13 9 3 2
10 8 9 12 13 11 12 16 17 17 13 10
19 20 21 16 3 0 0 0 0 4 16 23
6 5 6 8 3 2 3 4 3 3 2 5
1 1 1 1 2 3 3 2 2 1 1 1
176 158 193 185 205 222 215 186 167 170 186 165
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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