Adak Island, AK Climate in December

Temperature for December

In Adak Island, AK during December the average high temperature is 38.0°F. The hottest day on record was December 8, 1950 when the temperature recorded was 55.4°F.

Adak Island, AK daily average and extreme temperature range for December

Low Temperature

Overnight in December the average temperature drops below freezing at 30.1°F, with the lowest temperature of -2.2°F being recorded on December 3, 2011. On average there are 3 days in December when the temperature stays below freezing all day. In the worst December there were 12 days when the temperature did not make it above freezing. Overnight temperatures drop below freezing between 3 and 31 times in December.

Precipitation for December

In December the average monthly rainfall in Adak Island, AK is 2.10 inches with rain usually falling on between 15 and 16 days. 1944 was the driest December with only 0.00 inches of rain falling, and 1978 was the wettest December with 7.50 inches of rain. The wettest single day in December was 27 December 1977 when 1.54 inches of rain fell.

In December it usually snows on between 18 and 19 days. In December there have been some years when thunderstorms have occurred, although there are other years when there hasn't been a thunderstorm in December.