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 sea temperature 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
August's arrival brings an average high-temperature of a still refreshing 59.5°F (15.3°C), slightly deviating from July's 61.9°F (16.6°C). In Anchorage, August nights witness a steady temperature drop to a cool 50°F (10°C).Humidity
In Anchorage, the average relative humidity in August is 78%.Rainfall
In Anchorage, during August, the rain falls for 17.9 days and regularly aggregates up to 1.57" (40mm) of precipitation. Throughout the year, there are 139.9 rainfall days, and 12.6" (320mm) of precipitation is accumulated.Snowfall
June through August are months without snowfall.Ocean temperature
With an average ocean temperature of 53.1°F (11.7°C), August is the month with the warmest seawater.Note: Immersing oneself in 53.1°F (11.7°C) at sub14°F (-10°C) temperatures is a recipe for harsh cold shock and quickened breathing unless adequately equipped.
Daylight
In Anchorage, the average length of the day in August is 15h and 43min.On the first day of August, sunrise is at 5:34 am and sunset at 10:37 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 9:07 pm AKDT.
Sunshine
The average sunshine in August in Anchorage is 9.9h.UV index
In Anchorage, the average daily maximum UV index in August is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 3 in August transforms into this advice:
Undertake precautions - It is suggested to shield oneself from sunburn. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Anchorage in August?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
Does it snow in Anchorage in August?
When is the ocean warmest?
What is the water temperature in August?
How many hours of daylight does Anchorage have in August?
When are sunrise and sunset in August?
How long on average sun shines in August?
How high is the UV index in August?
Average temperature in August
Anchorage, AK
- Average high temperature in August: 59.5°F
The warmest month (with the highest average high temperature) is July (61.9°F).
The month with the lowest average high temperature is January (20.3°F).
- Average low temperature in August: 50°F
The month with the highest average low temperature is July (51.3°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure in August
Anchorage, AK
- Average pressure in August: 29.86"Hg
The month with the highest atmospheric pressure is July (29.96"Hg).
The months with the lowest atmospheric pressure are November and December (29.67"Hg).
Average wind speed in August
Anchorage, AK
- Average wind speed in August: 4.7mph
The windiest month (with the highest average wind speed) is November (6.3mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in August
Anchorage, AK
- Average humidity in August: 78%
The months with the highest relative humidity are January, February and March (86%).
The month with the lowest relative humidity is May (68%).
Average rainfall in August
Anchorage, AK
- Average rainfall in August: 1.57"
The wettest month (with the highest rainfall) is September (1.93").
The driest month (with the least rainfall) is May (0.55").
Average rainfall days in August
Anchorage, AK
- Average rainfall days in August: 17.9 days
The month with the highest number of rainy days is August (17.9 days).
The month with the least rainy days is February (7 days).
Average snowfall in August
Anchorage, AK
- Average snowfall in August: 0"
The month with the highest snowfall is December (5.51").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Anchorage, AK
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (11.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average sea temperature in August
Anchorage, AK
- Average sea temperature in August: 53.1°F
The best month for swimming (with the highest average sea temperature) is August (53.1°F).
The coldest month (with the lowest average sea temperature) is February (35.8°F).
Average daylight in August /
Average sunshine in August
Anchorage, AK
- Average daylight in August: 15h and 4min
The month with the longest days is June (Average daylight: 19h and 12min).
The month with the shortest days is December (Average daylight: 5h and 36min).
- Average sunshine in August: 9h and 5min
The months with the most sunshine are May and June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in August
Anchorage, AK
- Average sunshine days in August: 11.4 days
The month with the most sunshine days is January (16.9 days).
The month with the least sunshine days is September (11.1 days).
Average UV index in August
Anchorage, AK
- Average UV index in August: 3
The months with the highest UV index are June and July (UV index 4).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in August
Anchorage, AK
- Average cloud cover in August: 45
The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is May (Cloud cover 38).
Average visibility in August
Anchorage, AK
- Average visibility in August: 6mi
The months with the highest visibility are January, February, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is March (5mi).
Anchorage, Alaska, USA
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