August weather forecastKupreanof, AK
August
Weather in August
August, the last month of the summer in Kupreanof, is another refreshing month, with temperature in the range of an average high of 59°F (15°C) and an average low of 50°F (10°C).Temperature
With the transition into August, Kupreanof notes an average high-temperature of a still refreshing 59°F (15°C), closely resembling July. Throughout August, Kupreanof reports a steady low-temperature average of 50°F (10°C), slightly lower than its daytime counterpart.Humidity
The months with the highest humidity are January and August, with an average relative humidity of 86%.Rainfall
In Kupreanof, in August, it is raining for 17.7 days, with typically 5.55" (141mm) of accumulated precipitation. Throughout the year, there are 197.9 rainfall days, and 53.03" (1347mm) of precipitation is accumulated.Snowfall
In Kupreanof, snow does not fall in June through September.Daylight
In August, the average length of the day is 15h and 5min.On the first day of August, sunrise is at 4:53 am and sunset at 9:02 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 7:49 pm AKDT.
Sunshine
The average sunshine in August is 6.9h.UV index
The months with the highest UV index are July and August, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high daily UV index of 4 during August translates into the following directions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Kupreanof, AK
- Average high temperature in August: 59°F
The warmest month (with the highest average high temperature) is July (59.7°F).
The month with the lowest average high temperature is December (32.4°F).
- Average low temperature in August: 50°F
The month with the highest average low temperature is July (50.2°F).
The coldest month (with the lowest average low temperature) is February (25.9°F).
Average pressure in August
Kupreanof, AK
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is July (30.05"Hg).
The month with the lowest atmospheric pressure is November (29.8"Hg).
Average wind speed in August
Kupreanof, AK
- Average wind speed in August: 4.3mph
The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest month (with the lowest average wind speed) is July (3.9mph).
Average humidity in August
Kupreanof, AK
- Average humidity in August: 86%
The months with the highest relative humidity are January and August (86%).
The month with the lowest relative humidity is May (81%).
Average rainfall in August
Kupreanof, AK
- Average rainfall in August: 5.55"
The wettest month (with the highest rainfall) is October (6.3").
The driest month (with the least rainfall) is May (2.01").
Average rainfall days in August
Kupreanof, AK
- Average rainfall days in August: 17.7 days
The month with the highest number of rainy days is October (20.1 days).
The month with the least rainy days is February (9.5 days).
Average snowfall in August
Kupreanof, AK
- Average snowfall in August: 0"
The month with the highest snowfall is March (13.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Kupreanof, AK
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is March (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Kupreanof, AK
- Average daylight in August: 15h and 6min
The month with the longest days is June (Average daylight: 17h and 42min).
The month with the shortest days is December (Average daylight: 6h and 54min).
- Average sunshine in August: 6h and 54min
The month with the most sunshine is May (Average sunshine: 7h and 24min).
The months with the least sunshine are January and November (Average sunshine: 3h and 24min).
Average sunshine days in August
Kupreanof, AK
- Average sunshine days in August: 12.3 days
The month with the most sunshine days is December (12.5 days).
The month with the least sunshine days is November (8 days).
Average UV index in August
Kupreanof, AK
- Average UV index in August: 4
The months with the highest UV index are July and August (UV index 4).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover in August
Kupreanof, AK
- Average cloud cover in August: 57
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are February and May (Cloud cover 54).
Average visibility in August
Kupreanof, AK
- Average visibility in August: 5mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).





