Climate and monthly weather forecast
Koyuk, AK

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Weather in January

January, like December, in Koyuk, Alaska, is another frigid cold winter month, with an average temperature ranging between max 9.1°F (-12.7°C) and min 1.8°F (-16.8°C). With an average high-temperature of 9.1°F (-12.7°C) and an average low-temperature of 1.8°F (-16.8°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Koyuk, is a subzero cold month, with temperature in the range of an average low of 4.6°F (-15.2°C) and an average high of 14.7°F (-9.6°C). February signals a minor shift in the average high-temperature, moving from January's extreme cold 9.1°F (-12.7°C) to a freezing cold 14.7°F (-9.6°C). Weather in February »

Weather in March

March, the first month of the spring in Koyuk, is also a subzero cold month, with an average temperature fluctuating between 5.7°F (-14.6°C) and 18.9°F (-7.3°C). The commencement of March brings an average high-temperature of a still freezing cold 18.9°F (-7.3°C), marking an inconsequential divergence from February. Weather in March »

Weather in April

April, like March, is another subzero cold spring month in Koyuk, Alaska, with temperature in the range of an average high of 31.5°F (-0.3°C) and an average low of 20.7°F (-6.3°C). Observing a rise in April, the average high-temperature goes from March's 18.9°F (-7.3°C) to a still subzero cold 31.5°F (-0.3°C). Weather in April »

Weather in May

The last month of the spring, May, is a frosty month in Koyuk, Alaska, with an average temperature fluctuating between 34.3°F (1.3°C) and 45.3°F (7.4°C). Koyuk's transition into May sees a rise in the average high-temperature, advancing from a subzero cold 31.5°F (-0.3°C) in April to a chilly 45.3°F (7.4°C). Weather in May »

Weather in June

The first month of the summer, June, is a mild month in Koyuk, Alaska, with an average temperature fluctuating between 43.3°F (6.3°C) and 55.6°F (13.1°C). In Koyuk, stepping into June brings a temperature increase, moving up from May's frosty 45.3°F (7.4°C) to a moderate 55.6°F (13.1°C). Weather in June »

Weather in July

July, the same as June, in Koyuk, Alaska, is another mild summer month, with an average temperature ranging between min 48.7°F (9.3°C) and max 59.5°F (15.3°C). July is the month when Koyuk sees the highest average temperatures, with a high of 59.5°F (15.3°C) and a low of 48.7°F (9.3°C). Weather in July »

Weather in August

August, the last month of the summer in Koyuk, is another mild month, with an average temperature fluctuating between 57.2°F (14°C) and 47.7°F (8.7°C). In August, the average high-temperature registers at a still refreshing 57.2°F (14°C), nearly identical to July's 59.5°F (15.3°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a chilly month in Koyuk, Alaska, with an average temperature ranging between max 48.9°F (9.4°C) and min 40.3°F (4.6°C). The onset of September entails a subtle temperature shift, as the average high-temperature eases from a mild 57.2°F (14°C) in August to a chilly 48.9°F (9.4°C). Weather in September »

Weather in October

October, the same as September, is an icy autumn month in Koyuk, Alaska, with temperature in the range of an average high of 36.3°F (2.4°C) and an average low of 30.6°F (-0.8°C). The onset of October introduces a moderate change in Koyuk's weather, with average high-temperatures falling from September's chilly 48.9°F (9.4°C) to an icy 36.3°F (2.4°C). Weather in October »

Weather in November

The last month of the autumn, November, is another freezing cold month in Koyuk, Alaska, with an average temperature ranging between max 19.6°F (-6.9°C) and min 13.3°F (-10.4°C). A noticeable downshift in temperatures is seen as October gives way to November, with average highs moving from an icy 36.3°F (2.4°C) to a freezing cold 19.6°F (-6.9°C). Weather in November »

Weather in December

The first month of the winter, December, is still an extremely cold month in Koyuk, Alaska, with an average temperature ranging between min 5.4°F (-14.8°C) and max 12.4°F (-10.9°C). In the transition to December, Koyuk observes a minor drop in the average high-temperature, shifting from a subzero cold 19.6°F (-6.9°C) in November to an extremely cold 12.4°F (-10.9°C). Weather in December »
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Frequently asked questions

What is the coldest month in Koyuk?

January, having an average high-temperature of 9.1°F (-12.7°C) and an average low-temperature of 1.8°F (-16.8°C), is the coldest month.

What is the driest month in Koyuk?

The month with the least rainfall in Koyuk, Alaska, is January, when the rain falls for 2.7 days and typically collects 0.55" (14mm) of precipitation.

How much does it rain in Koyuk?

In Koyuk, during the entire year, the rain falls for 118.6 days and collects up to 13.39" (340mm) of precipitation.

When does it snow in Koyuk?

Months with snowfall in Koyuk, Alaska, are January through May, September through December.

How much does it snow in Koyuk?

Throughout the year, in Koyuk, Alaska, there are 94.3 snowfall days, and 27.2" (691mm) of snow is accumulated.

When is the lowest UV index in Koyuk?

January through March and December, with an average maximum UV index of 1, are months with the lowest UV index in Koyuk.

What is the most humid month in Koyuk?

The most humid month in Koyuk is March, with an average relative humidity of 92%.

When is Daylight Saving Time (DST) in Koyuk?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Koyuk, Alaska, and the time zone changes from AKST to AKDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from AKDT to AKST.

What month has the most sunshine in Koyuk?

May has the most sunshine of the year in Koyuk, Alaska, with an average of 8.3h of sunshine.

What is the least humid month in Koyuk?

With an average relative humidity of 72%, June is the least humid month.

When it does not snow in Koyuk?

In Koyuk, snow does not fall in June through August.

When are the longest days in Koyuk?

June has the longest days of the year, with an average of 21h and 36min of daylight.

What is the month with the least sunshine in Koyuk?

The month with the least sunshine in Koyuk is June, with an average of 2.9h of sunshine.

What month is the hottest in Koyuk?

July is the warmest month, with the temperature often reaching an average high of 59.5°F (15.3°C) and an average low of 48.7°F (9.3°C).

When is the highest UV index in Koyuk?

July is the month with the highest UV index in Koyuk, Alaska, with an average maximum UV index of 4.

What is the rainiest month in Koyuk?

August is the month with the most rainfall. Rain falls for 19.8 days and accumulates 2.24" (57mm) of precipitation.

When does it snow the most in Koyuk?

November is the month with the most snowfall in Koyuk, Alaska. Snow falls for 10.6 days and accumulates 4.76" (121mm) of snow.

What is the month with the shortest days in Koyuk?

With an average of 3h and 54min of daylight, December has the shortest days of the year in Koyuk, Alaska.

Average pressure
Koyuk, AK

Average pressure - Koyuk, AK

The month with the highest atmospheric pressure is May (29.92"Hg).
The month with the lowest atmospheric pressure is October (29.72"Hg).

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Average wind speed
Koyuk, AK

Average wind speed - Koyuk, AK

The windiest month (with the highest average wind speed) is October (9.6mph).
The calmest month (with the lowest average wind speed) is June (6mph).

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Average rainfall
Koyuk, AK

Average rainfall - Koyuk, AK

The wettest month (with the highest rainfall) is August (2.24").
The driest month (with the least rainfall) is January (0.55").

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Average rainfall days
Koyuk, AK

Average rainfall days - Koyuk, AK

The month with the highest number of rainy days is August (19.8 days).
The month with the least rainy days is January (2.7 days).

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Average snowfall
Koyuk, AK

Average snowfall - Koyuk, AK

The month with the highest snowfall is November (4.76").
The months with the least snowfall are June, July and August (0").

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Average snowfall days
Koyuk, AK

Average snowfall days - Koyuk, AK

The month with the highest number of snowfall days is March (16.7 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight / Average sunshine
Koyuk, AK

Average daylight / Average sunshine - Koyuk, AK

The month with the longest days is June (Average daylight: 21h and 36min).
The month with the shortest days is December (Average daylight: 3h and 54min).

The month with the most sunshine is May (Average sunshine: 8h and 18min).
The month with the least sunshine is June (Average sunshine: 2h and 54min).

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Average sunshine days
Koyuk, AK

Average sunshine days - Koyuk, AK

The month with the most sunshine days is January (18.3 days).
The month with the least sunshine days is August (8.4 days).

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Average visibility
Koyuk, AK

Average visibility - Koyuk, AK

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April and December (4mi).

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Koyuk, Alaska, USA

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