Monthly weather forecast and climate
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 temperature in the range of an average low of 34.2°F (1.2°C) and an average high of 36.9°F (2.7°C). With an average high-temperature of 36.9°F (2.7°C) and an average low-temperature of 34.2°F (1.2°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter, in Adak, is another cold month, with average temperature varying between 37°F (2.8°C) and 34°F (1.1°C). In February, the average high-temperature is practically 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 also a wintry month, with average temperature varying between 33.8°F (1°C) and 37°F (2.8°C). In Adak, the average high-temperature remains equal as in February - a still wintry 37°F (2.8°C). Weather in March »

Weather in April

April, the same as March, is another cold spring month in Adak, Alaska, with average temperature fluctuating between 35.6°F (2°C) and 38.7°F (3.7°C). In April, the average high-temperature is relatively 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 average temperature fluctuating between 41.7°F (5.4°C) and 38.8°F (3.8°C). In May, the average high-temperature is relatively 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 average temperature fluctuating between 45.9°F (7.7°C) and 42.8°F (6°C). In Adak, the average high-temperature in June is practically the same as in May - a chilly 45.9°F (7.7°C). Weather in June »

Weather in July

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

Weather in August

August, the last month of the summer, in Adak, is a fresh month, with average temperature ranging between min 49.6°F (9.8°C) and max 52°F (11.1°C). 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). Weather in August »

Weather in September

September, the first month of the autumn, in Adak, is also a fresh month, with average temperature fluctuating between 48.2°F (9°C) and 50.5°F (10.3°C). In September, the average high-temperature is essentially the same as in August - a still fresh 50.5°F (10.3°C). Weather in September »

Weather in October

October, the same as September, in Adak, Alaska, is a frosty autumn month, with temperature in the range of an average high of 46.2°F (7.9°C) and an average low of 44.1°F (6.7°C). In October, the average high-temperature is almost the same as in September - a chilly 46.2°F (7.9°C). Weather in October »

Weather in November

November, the last month of the autumn, in Adak, is another cold month, with average temperature ranging between min 39.4°F (4.1°C) and max 41.9°F (5.5°C). In Adak, the average high-temperature is relatively 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 average temperature ranging between max 38.8°F (3.8°C) and min 36.1°F (2.3°C). In Adak, the average high-temperature is practically the same as in November - a still cold 38.8°F (3.8°C). Weather in December »
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FAQ

What is the coldest month in Adak?

January is the coldest month, 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?

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

How much does it rain in Adak?

In Adak, Alaska, during the entire year, the rain falls for 173.3 days and collects up to 27.4" (696mm) of precipitation.

When does it snow in Adak?

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

When does it snow the most 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?

Throughout the year, in Adak, there are 53.7 snowfall days, and 16.3" (414mm) of snow is accumulated.

What are the months with the lowest UV index in Adak?

Months with the lowest UV index are January through April and December, with an average maximum UV index of 1.

What is the wettest month in Adak?

February is the month with the most rainfall in Adak, Alaska. Rain falls for 9.2 days and accumulates 2.8" (71mm) of precipitation.

What is the driest month in Adak?

June is the month with the least rainfall in Adak, Alaska. Rain falls for 13.8 days and accumulates 1.3" (33mm) of precipitation.

When it does not snow in Adak?

June through September are months without snowfall.

When are the longest days in Adak?

June has the longest days of the year, with an average of 16.6h of daylight.

What is the most humid month in Adak?

July is the most humid month in Adak, with an average relative humidity of 94%.

When is the highest UV index in Adak?

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?

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

What month has the most sunshine in Adak?

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

What is the month with the shortest days in Adak?

The month with the shortest days in Adak, Alaska, is December, with an average of 7.9h of daylight.

What is the month with the least sunshine in Adak?

The month with the least sunshine in Adak, Alaska, is December, 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").
The month with the lowest atmospheric pressure is January (29.48").

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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%).
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").
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).
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: 16.6h).
The month with the shortest days is December (Average daylight: 7.9h).

The month with the most sunshine is October (Average sunshine: 5.1h).
The month with the least sunshine is December (Average sunshine: 2.1h).

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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

Months with the highest UV index are July, August and September (UV index 3).
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

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

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