Climate and monthly weather forecast
Adak, AK

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 January

January, the same as December, is a wintry winter month in Adak, Alaska, with an average temperature ranging between max 36.9°F (2.7°C) and min 34.2°F (1.2°C). The coldest month is January, with an average high-temperature of 36.9°F (2.7°C) and an average low-temperature of 34.2°F (1.2°C). Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Adak, Alaska, with temperature in the range of an average high of 37°F (2.8°C) and an average low of 34°F (1.1°C). In Adak, the average high-temperature in February is relatively the same as in January - a still wintry 37°F (2.8°C). Weather in February »

Weather in March

March, the first month of the spring in Adak, is still a cold month, with an average temperature ranging between min 33.8°F (1°C) and max 37°F (2.8°C). In Adak, the average high-temperature in March remains the same as in February - a still cold 37°F (2.8°C). Weather in March »

Weather in April

April, like March, in Adak, Alaska, is a wintry spring month, with an average temperature ranging between max 38.7°F (3.7°C) and min 35.6°F (2°C). In Adak, the average high-temperature in April is essentially the same as in March - a still cold 38.7°F (3.7°C). Weather in April »

Weather in May

May, the last month of the spring in Adak, is also a wintry month, with an average temperature ranging between max 41.7°F (5.4°C) and min 38.8°F (3.8°C). In Adak, the average high-temperature in May is essentially the same as in April - a still cold 41.7°F (5.4°C). Weather in May »

Weather in June

June, the first month of the summer in Adak, is a frosty month, with an average temperature fluctuating between 42.8°F (6°C) and 45.9°F (7.7°C). In Adak, the average high-temperature in June is practically the same as in May - a frosty 45.9°F (7.7°C). Weather in June »

Weather in July

July, the same as June, in Adak, Alaska, is a frosty summer month, with an average temperature fluctuating between 46.4°F (8°C) and 49.6°F (9.8°C). In July, the average high-temperature is almost the same as in June - a still frosty 49.6°F (9.8°C). Weather in July »

Weather in August

The last month of the summer, August, is a cool month in Adak, Alaska, with an average temperature fluctuating between 52°F (11.1°C) and 49.6°F (9.8°C). The warmest month is August, with an average high-temperature of 52°F (11.1°C) and an average low-temperature of 49.6°F (9.8°C). Weather in August »

Weather in September

September, the first month of the autumn in Adak, is still a cool month, with an average temperature ranging between max 50.5°F (10.3°C) and min 48.2°F (9°C). In September, the average high-temperature is almost the same as in August - a still cool 50.5°F (10.3°C). Weather in September »

Weather in October

October, like September, is a frosty autumn month in Adak, Alaska, with an average temperature fluctuating between 46.2°F (7.9°C) and 44.1°F (6.7°C). In October, the average high-temperature is essentially the same as in September - a frosty 46.2°F (7.9°C). Weather in October »

Weather in November

November, the last month of the autumn in Adak, is also a wintry month, with an average temperature fluctuating between 41.9°F (5.5°C) and 39.4°F (4.1°C). In November, the average high-temperature is almost the same as in October - a wintry 41.9°F (5.5°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Adak, Alaska, with temperature in the range of an average high of 38.8°F (3.8°C) and an average low of 36.1°F (2.3°C). In December, the average high-temperature is almost the same as in November - a still wintry 38.8°F (3.8°C). Weather in December »
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FAQ

What is the coldest month in Adak?

The coldest month in Adak, Alaska, is January, with an average high-temperature of 36.9°F (2.7°C) and an average low-temperature of 34.2°F (1.2°C).

What are the least humid months in Adak?

The months with the lowest humidity are January and December, with an average relative humidity of 76%.

How many days does it rain in Adak?

Throughout the year, there are 173.3 rainfall days, and 27.4" (696mm) of precipitation is accumulated.

When does it snow in Adak?

January through May, October through December are months with snowfall in Adak.

What is the snowiest month in Adak?

January is the month with the most snowfall in Adak, Alaska. Snow falls for 12.2 days and accumulates 4.72" (120mm) of snow.

How many days does it snow in Adak?

In Adak, during the entire year, snow falls for 53.7 days and aggregates up to 16.3" (414mm) of snow.

When is the lowest UV index in Adak?

The months with the lowest UV index in Adak are January through April and December, with an average maximum UV index of 1.

What is the wettest month in Adak?

The month with the most rainfall is February, when the rain falls for 9.2 days and typically aggregates up to 2.8" (71mm) of precipitation.

When is Daylight Saving Time (DST) in Adak?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Adak, Alaska, and the time zone changes from HST to HDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from HDT to HST.

What is the driest month in Adak?

The month with the least rainfall is June, when the rain falls for 13.8 days and typically collects 1.3" (33mm) of precipitation.

When it does not snow in Adak?

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

When are the longest days in Adak?

With an average of 16h and 38min of daylight, June has the longest days of the year in Adak, Alaska.

What is the most humid month in Adak?

The most humid month is July, with an average relative humidity of 94%.

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

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

What is the warmest month in Adak?

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

What month has the most sunshine in Adak?

October has the most sunshine of the year in Adak, with an average of 5.1h of sunshine.

What is the month with the shortest days in Adak?

The month with the shortest days is December, with an average of 7h and 52min of daylight.

What is the month with the least sunshine in Adak?

December has the least sunshine of the year in Adak, with an average of 2.1h of sunshine.

Average pressure
Adak, AK

Average pressure - Adak, AK

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
Adak, AK

Average wind speed - Adak, AK

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
Adak, AK

Average humidity - Adak, AK

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
Adak, AK

Average rainfall - Adak, AK

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
Adak, AK

Average rainfall days - Adak, AK

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
Adak, AK

Average snowfall - Adak, AK

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
Adak, AK

Average snowfall days - Adak, AK

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 / Average sunshine
Adak, AK

Average daylight / Average sunshine - Adak, AK

The month with the longest days is June (Average daylight: 16h and 38min).
The month with the shortest days is December (Average daylight: 7h and 52min).

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
Adak, AK

Average sunshine days - Adak, AK

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
Adak, AK

Average UV index - Adak, AK

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 visibility
Adak, AK

Average visibility - Adak, AK

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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