Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
During the warmest month, August, temperatures average a high of 57.6°F (14.2°C) and a low of 50.7°F (10.4°C).Humidity
In Old Harbor, the average relative humidity in August is 85%.Rainfall
In Old Harbor, in August, during 15.1 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. Throughout the year, in Old Harbor, there are 171.2 rainfall days, and 37.32" (948mm) of precipitation is accumulated.Snowfall
In Old Harbor, Alaska, snow does not fall in June through August.Daylight
In Old Harbor, the average length of the day in August is 15h and 8min.On the first day of August in Old Harbor, sunrise is at 6:13 am and sunset at 10:25 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 9:11 pm AKDT.
Sunshine
The average sunshine in August is 7.6h.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The average daily UV index of 3 in August transforms into the following instructions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the hottest?
What are August temperatures?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
Does it snow in August?
How many hours of daylight does Old Harbor have in August?
What time are sunrise and sunset in August?
How long on average sun shines in August in Old Harbor?
What are the months with the highest UV index?
What is the UV index reading in August?
Average temperature in August
Old Harbor, AK
- Average high temperature in August: 57.6°F
The warmest month (with the highest average high temperature) is August (57.6°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in August: 50.7°F
The month with the highest average low temperature is August (50.7°F).
The coldest month (with the lowest average low temperature) is March (30.6°F).
Average pressure in August
Old Harbor, AK
- Average pressure in August: 29.86"Hg
The month with the highest atmospheric pressure is July (29.98"Hg).
The month with the lowest atmospheric pressure is December (29.55"Hg).
Average wind speed in August
Old Harbor, AK
- Average wind speed in August: 8.6mph
The windiest month (with the highest average wind speed) is December (14.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in August
Old Harbor, AK
- Average humidity in August: 85%
The month with the highest relative humidity is July (86%).
The months with the lowest relative humidity are March and November (80%).
Average rainfall in August
Old Harbor, AK
- Average rainfall in August: 2.6"
The wettest months (with the highest rainfall) are October and November (4.53").
The driest month (with the least rainfall) is July (1.85").
Average rainfall days in August
Old Harbor, AK
- Average rainfall days in August: 15.1 days
The month with the highest number of rainy days is September (17.6 days).
The month with the least rainy days is March (10.8 days).
Average snowfall in August
Old Harbor, AK
- Average snowfall in August: 0"
The month with the highest snowfall is March (3.15").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Old Harbor, AK
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is March (8.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Old Harbor, AK
- Average daylight in August: 15h and 1min
The month with the longest days is June (Average daylight: 17h and 48min).
The month with the shortest days is December (Average daylight: 6h and 48min).
- Average sunshine in August: 7h and 4min
The month with the most sunshine is July (Average sunshine: 8h and 18min).
The months with the least sunshine are January and December (Average sunshine: 2h and 36min).
Average sunshine days in August
Old Harbor, AK
- Average sunshine days in August: 13.7 days
The month with the most sunshine days is July (14.7 days).
The month with the least sunshine days is April (10.7 days).
Average UV index in August
Old Harbor, AK
- Average UV index in August: 3
The months with the highest UV index are June, July, August and September (UV index 3).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in August
Old Harbor, AK
- Average cloud cover in August: 53
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 52).
Average visibility in August
Old Harbor, AK
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Old Harbor, Alaska, USA
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