August weather forecastKoyuk, AK
August
Weather in August
The last month of the summer, August, is also a moderate month in Koyuk, Alaska, with an average temperature ranging between min 47.7°F (8.7°C) and max 57.2°F (14°C).Temperature
August's advent denotes a minor fluctuation in the average high-temperature to a still mild 57.2°F (14°C) from July's 59.5°F (15.3°C). An average low-temperature of 47.7°F (8.7°C) is expected during August.Humidity
The average relative humidity in August is 81%.Rainfall
The month with the most rainfall is August, when the rain falls for 19.8 days and typically aggregates up to 2.24" (57mm) of precipitation.Snowfall
June through August are months without snowfall in Koyuk.Daylight
In August, the average length of the day is 16h and 27min.On the first day of the month, sunrise is at 5:47 am and sunset at 11:54 pm. On the last day of August, sunrise is at 7:24 am and sunset at 10:04 pm AKDT.
Sunshine
In August, the average sunshine is 7h.UV index
In August, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 3 in August translates into this advice:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Koyuk, AK
- Average high temperature in August: 57.2°F
The warmest month (with the highest average high temperature) is July (59.5°F).
The month with the lowest average high temperature is January (9.1°F).
- Average low temperature in August: 47.7°F
The month with the highest average low temperature is July (48.7°F).
The coldest month (with the lowest average low temperature) is January (1.8°F).
Average pressure in August
Koyuk, AK
- Average pressure in August: 29.83"Hg
The month with the highest atmospheric pressure is May (29.92"Hg).
The month with the lowest atmospheric pressure is October (29.72"Hg).
Average wind speed in August
Koyuk, AK
- Average wind speed in August: 7.5mph
The windiest month (with the highest average wind speed) is October (9.6mph).
The calmest month (with the lowest average wind speed) is June (6mph).
Average humidity in August
Koyuk, AK
- Average humidity in August: 81%
The month with the highest relative humidity is March (92%).
The month with the lowest relative humidity is June (72%).
Average rainfall in August
Koyuk, AK
- Average rainfall in August: 2.24"
The wettest month (with the highest rainfall) is August (2.24").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in August
Koyuk, AK
- Average rainfall days in August: 19.8 days
The month with the highest number of rainy days is August (19.8 days).
The month with the least rainy days is January (2.7 days).
Average snowfall in August
Koyuk, AK
- Average snowfall in August: 0"
The month with the highest snowfall is November (4.76").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Koyuk, AK
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is March (16.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Koyuk, AK
- Average daylight in August: 16h and 24min
The month with the longest days is June (Average daylight: 21h and 36min).
The month with the shortest days is December (Average daylight: 3h and 54min).
- Average sunshine in August: 7h and 0min
The month with the most sunshine is May (Average sunshine: 8h and 18min).
The month with the least sunshine is June (Average sunshine: 2h and 54min).
Average sunshine days in August
Koyuk, AK
- Average sunshine days in August: 8.4 days
The month with the most sunshine days is January (18.3 days).
The month with the least sunshine days is August (8.4 days).
Average UV index in August
Koyuk, AK
- Average UV index in August: 3
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March and December (UV index 1).
Average cloud cover in August
Koyuk, AK
- Average cloud cover in August: 62
The month with the most cloud cover is August (Cloud cover 62).
The month with the least cloud cover is June (Cloud cover 50).
Average visibility in August
Koyuk, AK
- Average visibility in August: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April and December (4mi).
