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  3. Barter Island
  4. August

Barter Island, AK Climate in August

Temperature for August

In Barter Island, AK during August the average high temperature is 45.3°F. The hottest day on record was August 6, 1999 when the temperature hit 90.0°F.

Barter Island, AK daily average and extreme temperature range for August

Low Temperature

During August the overnight temperature drops to an average of 36.1°F, with the lowest temperature of 18.1°F being recorded on August 23, 1974. On average there are 2 days in August when the temperature stays below freezing all day. In the worst August there were 6 days when the temperature did not make it above freezing. Overnight temperatures drop below freezing between 1 and 24 times in August.

Precipitation for August

In August the average monthly rainfall in Barter Island, AK is 0.40 inches with rain usually falling on between 14 and 15 days. 1989 was the driest August with only 0.00 inches of rain falling, and 1984 was the wettest August with 2.20 inches of rain. The wettest single day in August was 7 August 2010 when 0.69 inches of rain fell.

In August it usually snows on between 3 and 4 days. 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.

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