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Old Harbor, AK Weather


Old Harbor, AK climate is cool during summer when temperatures tend to be in the 50's and very cold during winter when temperatures tend to be in the 20's.

The warmest month of the year is August with an average maximum temperature of 9.99 degrees Fahrenheit, while the coldest month of the year is February with an average minimum temperature of 9.99 degrees Fahrenheit.

Temperature variations between night and day tend to be fairly limited during summer with a difference that can reach 12 degrees Fahrenheit, and fairly limited during winter with an average difference of 11 degrees Fahrenheit.

The annual average precipitation at Old Harbor is 9.99 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is October with an average rainfall of 8.36 Inches.

Weather Data

Normal Climate

Normal Temperatures

(KODIAK AP Weather station, 9.99 miles from Old Harbor)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 34.7 35.5 38.3 42.7 48.8 54.5 59.6 61.4 55.6 46.2 39.0 35.8 46.0
Mean °F 29.7 29.9 32.6 37.3 43.5 49.2 54.1 55.0 49.4 40.3 34.0 30.6 40.5
Min °F 24.6 24.3 26.8 31.8 38.2 43.9 48.5 48.6 43.2 34.3 28.9 25.3 34.9

Normal Precipitation

(KODIAK AP Weather station, 9.99 miles from Old Harbor)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 8.17 5.72 5.22 5.48 6.31 5.38 4.12 4.48 7.84 8.36 6.63 7.64 9.99