August weather forecast and climate
Anchorage, AK

Wintertime in Anchorage, Alaska, with mountains blanketed in snow
Wintertime in Anchorage, Alaska, with mountains blanketed in snow
August, the last month of the summer, in Anchorage, is also a comfortable month, with average temperature fluctuating between 63.5°F (17.5°C) and 49.3°F (9.6°C).

Temperature

In August, the average high-temperature is 63.5°F (17.5°C), and the average low-temperature is 49.3°F (9.6°C).

Humidity

The average relative humidity in August is 75.1%.

Rainfall

August is the month with the most rainfall in Anchorage. Rain falls for 13.8 days and accumulates 3.3" (82.6mm) of precipitation.

Snowfall

In Anchorage, in August, it doesn't snow. In September, it regularly snows. Throughout the year, in Anchorage, 82.1" (2085.4mm) of snow is accumulated.

Ocean temperature

The month with the warmest seawater in Anchorage is August, with an average ocean temperature of 53.1°F (11.7°C). Swimming in 53.1°F (11.7°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

The average length of the day is 15.7h.

Sunshine

In Anchorage, the average sunshine in August is 6.6h.

UV index

In Anchorage, Alaska, the average daily maximum UV index in August is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to the Sun's UV rays for ordinary individuals.
The daily maximum UV index of 4 in August interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in August in Anchorage?

In August, in Anchorage, the average high-temperature is 63.5°F (17.5°C), and the average low-temperature is 49.3°F (9.6°C).

What is the average humidity in August in Anchorage?

In Anchorage, the average relative humidity in August is 75.1%.

How many days does it rain in August in Anchorage?

In Anchorage, in August, during 13.8 rainfall days, 3.3" (82.6mm) of precipitation is typically accumulated.

What is the wettest month in Anchorage?

The month with the most rainfall in Anchorage is August when the rain falls for 13.8 days and typically aggregates up to 3.3" (82.6mm) of precipitation.

Does it snow in Anchorage in August?

In Anchorage, Alaska, in August, it doesn't snow. In September, it regularly snows.

What is the month with the warmest ocean in Anchorage?

August is the month with the warmest seawater, with an average ocean temperature of 53.1°F (11.7°C). Swimming in 53.1°F (11.7°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the ocean temperature in August in Anchorage?

In Anchorage, Alaska, the average seawater temperature in August is 53.1°F (11.7°C). Swimming in 53.1°F (11.7°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Anchorage have in August?

The average length of the day in August is 15.7h.

How many hours of sunshine does Anchorage have in August?

In August, the average sunshine in Anchorage is 6.6h.

How high is the UV index in August in Anchorage?

In August, the average daily maximum UV index in Anchorage, Alaska, is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to the Sun's UV rays.
Average temperature in August - Anchorage, AK
  • Average high temperature in August: 63.5°F

The warmest month (with the highest average high temperature) is July (65.4°F).
The month with the lowest average high temperature is January (22.7°F).

  • Average low temperature in August: 49.3°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 (11.4°F).

Average humidity in August - Anchorage, AK
  • Average humidity in August: 75.1%

Months with the highest relative humidity are November and December (77.1%).
The month with the lowest relative humidity is May (61.6%).

Average rainfall in August - Anchorage, AK
  • Average rainfall in August: 3.3"

The wettest month (with the highest rainfall) is August (3.3").
The driest month (with the lowest rainfall) is April (0.5").

Average rainfall days in August - Anchorage, AK
  • Average rainfall days in August: 13.8 days

The month with the highest number of rainy days is September (14.5 days).
The month with the lowest number of rainy days is April (5.5 days).

Average snowfall in August - Anchorage, AK
  • Average snowfall in August: 0"

The month with the highest snowfall is December (20.5").
Months with the lowest 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 (10.5 days).
Months with the lowest number of 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: 15.7h

The month with the longest days is June (Average daylight: 19.2h).
The month with shortest days is December (Average daylight: 5.6h).

  • Average sunshine in August: 6.6h

The month with most sunshine is May (Average sunshine: 9.3h).
The month with least sunshine is December (Average sunshine: 1.7h).

Average UV index in August - Anchorage, AK
  • Average UV index in August: 4

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 0).

deutscheenglishespañolрусский中文