Sitka, AK Climate in December

Temperature for December

In Sitka, AK during December the average high temperature is 41.3°F. The hottest day on record was December 20, 1985 when the temperature recorded was 57.0°F.

Sitka, AK daily average and extreme temperature range for December

Low Temperature

During December the overnight temperature drops to an average of 32.7°F, with the lowest temperature of 6.3°F being recorded on December 8, 1977. On average there are 4 days in December when the temperature stays below freezing all day. In the worst December there were 9 days when the temperature did not make it above freezing. Overnight temperatures drop below freezing between 2 and 24 times in December.

Precipitation for December

In December the average monthly rainfall in Sitka, AK is 8.61 inches with rain usually falling on between 15 and 16 days. 1983 was the driest December with only 2.09 inches of rain falling, and 1997 was the wettest December with 17.56 inches of rain. The wettest single day in December was 18 December 1985 when 4.49 inches of rain fell.

In December it usually snows on between 8 and 9 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.