August weather forecast
Adak, AK

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Rocks amid golden-brown plants in the fall overlooking a large lake in Adak, Alaska
Rocks amid golden-brown plants in the fall overlooking a large lake in Adak, Alaska

Weather in August

As August enters the scene in Adak, Alaska, it carries onwards the warmth of July. The weather can get hot at times, but it never reaches the sweltering temperatures seen elsewhere in the USA. The rainfall increases when compared to the month of July but seems consistent with the general summer trend. Even alongside slightly cooler temperatures, a trip to the beach or a hike in the woods can still be a delightful outdoor experience.

Temperature

August, known for its average high temperature of 52°F (11.1°C) and an average low temperature of 49.6°F (9.8°C), is the warmest month.

Humidity

The average relative humidity in August in Adak is 93%.

Rainfall

In Adak, in August, during 16.3 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. Throughout the year, there are 173.3 rainfall days, and 27.4" (696mm) of precipitation is accumulated.

Snowfall

In Adak, snow does not fall in June through September.

Daylight

In August, the average length of the day is 14h and 34min.
On the first day of the month, sunrise is at 7:10 am and sunset at 10:35 pm. On the last day of August, in Adak, sunrise is at 7:58 am and sunset at 9:34 pm HDT.

Sunshine

In Adak, the average sunshine in August is 3.7h.

UV index

July through September, with an average maximum UV index of 3, are months with the highest UV index in Adak, Alaska. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In August, the average maximum UV index of 3 translates into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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Frequently asked questions

What time of the year is the hottest in Adak?

The month of August sees the average highest temperatures in Adak, Alaska, reaching 52°F (11.1°C) at the peak and 49.6°F (9.8°C) at the low.

What are the temperatures in Adak in August?

The high-temperature, in August, in Adak, records 52°F (11.1°C), while the low-temperature is 49.6°F (9.8°C).

What is the average humidity in August in Adak?

In Adak, Alaska, the average relative humidity in August is 93%.

How much does it rain in Adak in August?

In Adak, during August, the rain falls for 16.3 days and regularly aggregates up to 2.6" (66mm) of precipitation.

When it does not snow in Adak?

June through September are months without snowfall.

What is the average length of the day in August in Adak?

The average day length in August in Adak, Alaska, is 14h and 34min.

What time are sunrise and sunset in August in Adak?

On the first day of August, sunrise is at 7:10 am and sunset at 10:35 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 9:34 pm HDT.

How many hours of sunshine does Adak have in August?

In Adak, Alaska, the average sunshine duration in August is 3.7h.

What is the month with the highest UV index in Adak?

July through September, with an average maximum UV index of 3, are months with the highest UV index.

What is the UV index intensity in August in Adak?

In August, the average daily maximum UV index in Adak is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Adak, AK

Average temperature in August - Adak, AK
  • Average high temperature in August: 52°F

The warmest month (with the highest average high temperature) is August (52°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in August: 49.6°F

The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is March (33.8°F).

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Average pressure in August
Adak, AK

Average pressure in August - Adak, AK
  • Average pressure in August: 29.93"Hg

The month with the highest atmospheric pressure is July (29.95"Hg).
The month with the lowest atmospheric pressure is January (29.48"Hg).

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Average wind speed in August
Adak, AK

Average wind speed in August - Adak, AK
  • Average wind speed in August: 12.1mph

The windiest month (with the highest average wind speed) is February (21.2mph).
The calmest month (with the lowest average wind speed) is July (11.1mph).

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Average humidity in August
Adak, AK

Average humidity in August - Adak, AK
  • Average humidity in August: 93%

The month with the highest relative humidity is July (94%).
The months with the lowest relative humidity are January and December (76%).

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Average rainfall in August
Adak, AK

Average rainfall in August - Adak, AK
  • Average rainfall in August: 2.6"

The wettest month (with the highest rainfall) is February (2.8").
The driest month (with the least rainfall) is June (1.3").

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Average rainfall days in August
Adak, AK

Average rainfall days in August - Adak, AK
  • Average rainfall days in August: 16.3 days

The month with the highest number of rainy days is October (19.5 days).
The month with the least rainy days is January (9.1 days).

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Average snowfall in August
Adak, AK

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

The month with the highest snowfall is January (4.72").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Adak, AK

Average snowfall days in August - Adak, AK
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Adak, AK

Average daylight in August / Average sunshine in August - Adak, AK
  • Average daylight in August: 14h and 4min

The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).

  • Average sunshine in August: 3h and 4min

The month with the most sunshine is October (Average sunshine: 5h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 6min).

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Average sunshine days in August
Adak, AK

Average sunshine days in August - Adak, AK
  • Average sunshine days in August: 10 days

The month with the most sunshine days is June (12.8 days).
The month with the least sunshine days is February (6.3 days).

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Average UV index in August
Adak, AK

Average UV index in August - Adak, AK
  • Average UV index in August: 3

The months with the highest UV index are July, August and September (UV index 3).
The months with the lowest UV index are January, February, March, April and December (UV index 1).

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Average cloud cover in August
Adak, AK

Average cloud cover in August - Adak, AK
  • Average cloud cover in August: 78

The month with the most cloud cover is July (Cloud cover 85).
The month with the least cloud cover is October (Cloud cover 63).

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Average visibility in August
Adak, AK

Average visibility in August - Adak, AK
  • Average visibility in August: 5mi

The months with the highest visibility are April, May, June, September, October and November (6mi).
The months with the lowest visibility are January, February, March, July, August and December (5mi).

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Adak, Alaska, USA

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