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Mentasta Lake, AK Weather


Mentasta Lake, AK climate is cool during summer when temperatures tend to be in the 50's and extremely cold during winter when temperatures tend to be in the 0's.

The warmest month of the year is July with an average maximum temperature of 68.80 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of -9.99 degrees Fahrenheit.

Temperature variations between night and day tend to be moderate during summer with a difference that can reach 26 degrees Fahrenheit, and moderate during winter with an average difference of 22 degrees Fahrenheit.

The annual average precipitation at Mentasta Lake is 14.68 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is July with an average rainfall of 2.82 Inches.

Weather Data

Normal Climate

Normal Temperatures

(SLANA Weather station, 15.47 miles from Mentasta Lake)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 5.7 15.1 28.5 42.7 56.0 65.5 68.8 64.1 52.1 33.6 14.7 7.8 37.9
Mean °F -4.3 3.0 14.4 29.8 42.9 52.2 56.1 51.4 40.4 23.7 4.7 -2.0 26.0
Min °F -14.3 -9.1 0.2 16.8 29.7 38.8 43.3 38.6 28.7 13.7 -5.3 -11.7 14.1

Normal Precipitation

(SLANA Weather station, 15.47 miles from Mentasta Lake)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 0.49 0.55 0.52 0.33 0.86 2.05 2.82 2.30 1.95 1.05 0.84 0.92 14.68