Sitka, AK Climate in August

Temperature for August

In Sitka, AK during August the average high temperature is 62.9°F. The hottest day on record was August 13, 1990 when the temperature hit 82.9°F.

Sitka, AK daily average and extreme temperature range for August

Low Temperature

During August the overnight temperature drops to an average of 52.3°F, with the lowest temperature of 41.0°F being recorded on August 31, 1973. In August it has never frozen overnight.

Precipitation for August

In August the average monthly rainfall in Sitka, AK is 6.40 inches with rain usually falling on between 15 and 16 days. 1977 was the driest August with only 1.76 inches of rain falling, and 1983 was the wettest August with 17.69 inches of rain. The wettest single day in August was 25 August 1984 when 3.35 inches of rain fell.

In August it usually snows on between 0 and 1 days. Tornados are reported on 0 and 1 days in August. In August there have been some years when thunderstorms have occurred, although there are other years when there hasn't been a thunderstorm in August.