August weather forecastPetersville, AK
August
Weather in August
The last month of the summer, August, is also an enjoyable month in Petersville, Alaska, with an average temperature fluctuating between 46°F (7.8°C) and 61.3°F (16.3°C).Temperature
Petersville's average high-temperature in August is a still refreshing 61.3°F (16.3°C), indicating a subtle variation from July. In August, Petersville encounters an average low-temperature of 46°F (7.8°C) during the night.Humidity
In Petersville, the average relative humidity in August is 76%.Rainfall
In Petersville, in August, during 20.4 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. Throughout the year, there are 131.6 rainfall days, and 17.36" (441mm) of precipitation is accumulated.Snowfall
In Petersville, snow does not fall in June through August.Daylight
In Petersville, Alaska, the average length of the day in August is 15h and 57min.On the first day of the month, sunrise is at 5:28 am and sunset at 10:50 pm. On the last day of August, sunrise is at 6:51 am and sunset at 9:15 pm AKDT.
Sunshine
In August, the average sunshine is 9.5h.UV index
In August, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 3 during August translates into these guidelines:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Petersville, AK
- Average high temperature in August: 61.3°F
The warmest month (with the highest average high temperature) is July (65.5°F).
The month with the lowest average high temperature is January (16.9°F).
- Average low temperature in August: 46°F
The month with the highest average low temperature is July (48.4°F).
The coldest month (with the lowest average low temperature) is January (8.8°F).
Average pressure in August
Petersville, AK
- Average pressure in August: 29.85"Hg
The month with the highest atmospheric pressure is July (29.94"Hg).
The month with the lowest atmospheric pressure is December (29.72"Hg).
Average wind speed in August
Petersville, AK
- Average wind speed in August: 4.4mph
The windiest month (with the highest average wind speed) is January (7mph).
The calmest month (with the lowest average wind speed) is July (4.3mph).
Average humidity in August
Petersville, AK
- Average humidity in August: 76%
The month with the highest relative humidity is March (85%).
The month with the lowest relative humidity is May (64%).
Average rainfall in August
Petersville, AK
- Average rainfall in August: 2.6"
The wettest month (with the highest rainfall) is September (2.68").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in August
Petersville, AK
- Average rainfall days in August: 20.4 days
The month with the highest number of rainy days is August (20.4 days).
The month with the least rainy days is December (4.8 days).
Average snowfall in August
Petersville, AK
- Average snowfall in August: 0"
The month with the highest snowfall is November (7.87").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Petersville, AK
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (12.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Petersville, AK
- Average daylight in August: 15h and 54min
The month with the longest days is June (Average daylight: 19h and 48min).
The month with the shortest days is December (Average daylight: 5h and 6min).
- Average sunshine in August: 9h and 30min
The month with the most sunshine is May (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in August
Petersville, AK
- Average sunshine days in August: 8.3 days
The month with the most sunshine days is January (19.5 days).
The month with the least sunshine days is August (8.3 days).
Average UV index in August
Petersville, AK
- Average UV index in August: 3
The months with the highest UV index are June and July (UV index 4).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Petersville, AK
- Average cloud cover in August: 48
The month with the most cloud cover is August (Cloud cover 48).
The month with the least cloud cover is January (Cloud cover 38).
Average visibility in August
Petersville, AK
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is April (5mi).





