August weather forecastNapakiak, AK
August
Weather in August
The last month of the summer, August, is another refreshing month in Napakiak, Alaska, with temperature in the range of an average low of 47.8°F (8.8°C) and an average high of 59.9°F (15.5°C).Temperature
Napakiak's August average high-temperature settles at a moderate 59.9°F (15.5°C), showing a near match with the preceding month. August nights cool down to an average low-temperature of 47.8°F (8.8°C).Humidity
In August, the average relative humidity is 80%.Rainfall
August is the month with the most rainfall. Rain falls for 19.7 days and accumulates 2.09" (53mm) of precipitation.Snowfall
In Napakiak, snow does not fall in June through August.Daylight
The average length of the day in August is 15h and 38min.On the first day of the month, sunrise is at 6:26 am and sunset at 11:21 pm. On the last day of August, sunrise is at 7:41 am and sunset at 9:54 pm AKDT.
Sunshine
The average sunshine in August is 5.6h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index, 3 in August, converts into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Napakiak, AK
- Average high temperature in August: 59.9°F
The warmest month (with the highest average high temperature) is July (62.4°F).
The month with the lowest average high temperature is January (12.2°F).
- Average low temperature in August: 47.8°F
The month with the highest average low temperature is July (49.6°F).
The coldest month (with the lowest average low temperature) is January (3.7°F).
Average pressure in August
Napakiak, AK
- Average pressure in August: 29.83"Hg
The month with the highest atmospheric pressure is July (29.92"Hg).
The month with the lowest atmospheric pressure is December (29.64"Hg).
Average wind speed in August
Napakiak, AK
- Average wind speed in August: 9.3mph
The windiest month (with the highest average wind speed) is January (12.7mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).
Average humidity in August
Napakiak, AK
- Average humidity in August: 80%
The months with the highest relative humidity are January, February and March (91%).
The month with the lowest relative humidity is June (65%).
Average rainfall in August
Napakiak, AK
- Average rainfall in August: 2.09"
The wettest month (with the highest rainfall) is August (2.09").
The driest months (with the least rainfall) are January and April (0.91").
Average rainfall days in August
Napakiak, AK
- Average rainfall days in August: 19.7 days
The month with the highest number of rainy days is August (19.7 days).
The month with the least rainy days is March (4.4 days).
Average snowfall in August
Napakiak, AK
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.96").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Napakiak, AK
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (12.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Napakiak, AK
- Average daylight in August: 15h and 36min
The month with the longest days is June (Average daylight: 19h and 0min).
The month with the shortest days is December (Average daylight: 5h and 48min).
- Average sunshine in August: 5h and 36min
The month with the most sunshine is May (Average sunshine: 8h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).
Average sunshine days in August
Napakiak, AK
- Average sunshine days in August: 8.6 days
The month with the most sunshine days is March (17.5 days).
The month with the least sunshine days is August (8.6 days).
Average UV index in August
Napakiak, AK
- Average UV index in August: 3
The months with the highest UV index are May, June, July and August (UV index 3).
The months with the lowest UV index are February, March and December (UV index 1).
Average cloud cover in August
Napakiak, AK
- Average cloud cover in August: 67
The months with the most cloud cover are July and August (Cloud cover 67).
The month with the least cloud cover is June (Cloud cover 54).
Average visibility in August
Napakiak, AK
- Average visibility in August: 6mi
The months with the highest visibility are May, June, July, August, September, October and December (6mi).
The months with the lowest visibility are January, February, March, April and November (5mi).





