August weather forecastUmiat, AK
August
Weather in August
The last month of the summer, August, is also a fresh month in Umiat, Alaska, with an average temperature fluctuating between 40.6°F (4.8°C) and 54.1°F (12.3°C).Temperature
Umiat observes a minor decrease in the average high-temperature with the arrival of August, falling from July's comfortable 63.7°F (17.6°C) to a fresh 54.1°F (12.3°C). Throughout August, Umiat encounters an average temperature drop to an icy 40.6°F (4.8°C).Humidity
In Umiat, the average relative humidity in August is 76%.Rainfall
August is the month with the most rainfall. Rain falls for 17.2 days and accumulates 1.65" (42mm) of precipitation.Snowfall
Months with snowfall in Umiat are January through June, August through December. August is the first month it typically snows. Throughout August, in the average 1.9 snowfall days, it receives 0.91" (23mm) of snow. In Umiat, during the entire year, snow falls for 139.2 days and aggregates up to 28.35" (720mm) of snow.Daylight
With an average of 17h and 48min of daylight, August has the longest days of the year.On the first day of the month, sunrise is at 4:02 am and sunset at 12:27 am. On the last day of August, sunrise is at 6:27 am and sunset at 9:49 pm AKDT.
Sunshine
August has the most sunshine of the year, with an average of 6.7h of sunshine.UV index
In Umiat, the average daily maximum UV index in August is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 2 during August translates into the following guidance:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Umiat, AK
- Average high temperature in August: 54.1°F
The warmest month (with the highest average high temperature) is July (63.7°F).
The month with the lowest average high temperature is January (-8.9°F).
- Average low temperature in August: 40.6°F
The month with the highest average low temperature is July (46.2°F).
The coldest month (with the lowest average low temperature) is January (-20.7°F).
Average pressure in August
Umiat, AK
- Average pressure in August: 29.85"Hg
The months with the highest atmospheric pressure are January and March (30.06"Hg).
The month with the lowest atmospheric pressure is September (29.83"Hg).
Average wind speed in August
Umiat, AK
- Average wind speed in August: 7.9mph
The windiest month (with the highest average wind speed) is June (8.3mph).
The calmest month (with the lowest average wind speed) is December (5.3mph).
Average humidity in August
Umiat, AK
- Average humidity in August: 76%
The months with the highest relative humidity are April and May (93%).
The month with the lowest relative humidity is July (65%).
Average rainfall in August
Umiat, AK
- Average rainfall in August: 1.65"
The wettest month (with the highest rainfall) is August (1.65").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in August
Umiat, AK
- Average rainfall days in August: 17.2 days
The month with the highest number of rainy days is August (17.2 days).
The month with the least rainy days is February (0.7 days).
Average snowfall in August
Umiat, AK
- Average snowfall in August: 0.91"
The month with the highest snowfall is October (5.08").
The month with the least snowfall is July (0").
Average snowfall days in August
Umiat, AK
- Average snowfall days in August: 1.9 days
The month with the highest number of snowfall days is November (19.2 days).
The month with the least snowfall days is July (0.1 days).
Average daylight in August /
Average sunshine in August
Umiat, AK
- Average daylight in August: 17h and 48min
The month with the longest days is August (Average daylight: 17h and 48min).
The months with the shortest days are June and December (Average daylight: 0h and 0min).
- Average sunshine in August: 6h and 42min
The month with the most sunshine is August (Average sunshine: 6h and 42min).
The month with the least sunshine is December (Average sunshine: 0h and 24min).
Average sunshine days in August
Umiat, AK
- Average sunshine days in August: 9.9 days
The month with the most sunshine days is January (18.7 days).
The month with the least sunshine days is August (9.9 days).
Average UV index in August
Umiat, AK
- Average UV index in August: 2
The month with the highest UV index is June (UV index 4).
The months with the lowest UV index are January, February, March, April, September, October, November and December (UV index 1).
Average cloud cover in August
Umiat, AK
- Average cloud cover in August: 65
The month with the most cloud cover is May (Cloud cover 75).
The month with the least cloud cover is June (Cloud cover 49).
Average visibility in August
Umiat, AK
- Average visibility in August: 6mi
The months with the highest visibility are June, July and August (6mi).
The month with the lowest visibility is December (3mi).





