August weather forecastEyak, AK
August
Weather in August
The last month of the summer, August, is also a moderate month in Eyak, Alaska, with an average temperature fluctuating between 50°F (10°C) and 57.7°F (14.3°C).Temperature
As Eyak welcomes August, the average high-temperature is noted at a still mild 57.7°F (14.3°C), closely aligning with the preceding month. Eyak's nighttime temperature in August consistently rests at a cool 50°F (10°C).Humidity
The most humid month is August, with an average relative humidity of 84%.Rainfall
In August, the rain falls for 21 days. Throughout August, 6.65" (169mm) of precipitation is accumulated. In Eyak, during the entire year, the rain falls for 191.3 days and collects up to 72.4" (1839mm) of precipitation.Snowfall
In Eyak, snow does not fall in June through September.Daylight
The average length of the day in August is 15h and 37min.On the first day of August in Eyak, sunrise is at 5:22 am and sunset at 10:15 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 8:48 pm AKDT.
Sunshine
The average sunshine in August is 6h.UV index
In Eyak, the average daily maximum UV index in August is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: A daily maximum UV index of 3 in August translates into the following instructions:
Heed the precautions - Suggestions to avoid sunburn are made. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Eyak, AK
- Average high temperature in August: 57.7°F
The warmest month (with the highest average high temperature) is July (58.6°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in August: 50°F
The month with the highest average low temperature is August (50°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in August
Eyak, AK
- Average pressure in August: 29.9"Hg
The month with the highest atmospheric pressure is July (30"Hg).
The month with the lowest atmospheric pressure is November (29.65"Hg).
Average wind speed in August
Eyak, AK
- Average wind speed in August: 6.2mph
The windiest months (with the highest average wind speed) are January and November (12.1mph).
The calmest month (with the lowest average wind speed) is June (5.2mph).
Average humidity in August
Eyak, AK
- Average humidity in August: 84%
The month with the highest relative humidity is August (84%).
The month with the lowest relative humidity is November (75%).
Average rainfall in August
Eyak, AK
- Average rainfall in August: 6.65"
The wettest month (with the highest rainfall) is October (9.09").
The driest month (with the least rainfall) is June (2.72").
Average rainfall days in August
Eyak, AK
- Average rainfall days in August: 21 days
The month with the highest number of rainy days is August (21 days).
The month with the least rainy days is February (9.6 days).
Average snowfall in August
Eyak, AK
- Average snowfall in August: 0"
The month with the highest snowfall is December (17.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Eyak, AK
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Eyak, AK
- Average daylight in August: 15h and 36min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in August: 6h and 0min
The months with the most sunshine are May, June and July (Average sunshine: 7h and 36min).
The month with the least sunshine is December (Average sunshine: 2h and 6min).
Average sunshine days in August
Eyak, AK
- Average sunshine days in August: 8.1 days
The month with the most sunshine days is July (12.1 days).
The month with the least sunshine days is September (8 days).
Average UV index in August
Eyak, 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 November and December (UV index 1).
Average cloud cover in August
Eyak, AK
- Average cloud cover in August: 65
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is May (Cloud cover 57).
Average visibility in August
Eyak, AK
- Average visibility in August: 5mi
The months with the highest visibility are February, March, April, May, June, July, September, October and November (6mi).
The months with the lowest visibility are January, August and December (5mi).





