Climate and monthly weather forecast
Glennallen, AK

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Weather in January

January, like December, in Glennallen, 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 (-18.8°C). January stands out as Glennallen's coldest month, with an average high-temperature of 9.1°F (-12.7°C) and a low-temperature of -1.8°F (-18.8°C). Weather in January »

Weather in February

February, the last month of the winter in Glennallen, is a freezing cold month, with an average temperature varying between 15.3°F (-9.3°C) and 0.5°F (-17.5°C). Glennallen's weather shows a minor temperature rise with the arrival of February, moving from an extreme cold 9.1°F (-12.7°C) in January to a freezing cold 15.3°F (-9.3°C). Weather in February »

Weather in March

March, the first month of the spring in Glennallen, is still a freezing cold month, with an average temperature ranging between max 22.3°F (-5.4°C) and min 3.2°F (-16°C). March's onset witnesses a minor shift in the average high-temperature, moving from a subzero cold 15.3°F (-9.3°C) in February to a still freezing cold 22.3°F (-5.4°C). Weather in March »

Weather in April

April is a cold spring month in Glennallen, Alaska, with an average temperature ranging between min 18.9°F (-7.3°C) and max 35.4°F (1.9°C). April's arrival coincides with a temperature rise, moving from March's freezing cold 22.3°F (-5.4°C) to a cold 35.4°F (1.9°C). Weather in April »

Weather in May

The last month of the spring, May, is a fresh month in Glennallen, Alaska, with an average temperature varying between 36.9°F (2.7°C) and 53.2°F (11.8°C). As April gives way to May, the average high-temperature displays a considerable increase, soaring from a wintry 35.4°F (1.9°C) to a cool 53.2°F (11.8°C). Weather in May »

Weather in June

The first month of the summer, June, is an enjoyable month in Glennallen, Alaska, with an average temperature varying between 62.8°F (17.1°C) and 44.1°F (6.7°C). The shift into June brings an increase in the average high-temperature, moving from a cool 53.2°F (11.8°C) in May to a refreshing 62.8°F (17.1°C). Weather in June »

Weather in July

July, like June, in Glennallen, Alaska, is another enjoyable summer month, with an average temperature fluctuating between 67.5°F (19.7°C) and 47.5°F (8.6°C). In Glennallen, July records the highest average temperatures, peaking at 67.5°F (19.7°C) and reaching a low of 47.5°F (8.6°C). Weather in July »

Weather in August

The last month of the summer, August, is another comfortable month in Glennallen, Alaska, with an average temperature varying between 44.4°F (6.9°C) and 61.9°F (16.6°C). August witnesses a gentle descent in average high-temperature, descending from July's comfortable 67.5°F (19.7°C) to a still enjoyable 61.9°F (16.6°C). Weather in August »

Weather in September

September, the first month of the autumn in Glennallen, is also a fresh month, with an average temperature ranging between max 51.6°F (10.9°C) and min 36.5°F (2.5°C). As August transitions to September, the average high-temperature falls from a comfortable 61.9°F (16.6°C) to a fresh 51.6°F (10.9°C). Weather in September »

Weather in October

October, like September, in Glennallen, Alaska, is a wintry autumn month, with temperature in the range of an average low of 25.5°F (-3.6°C) and an average high of 35.6°F (2°C). October's arrival witnesses a distinct drop in the average high-temperature, receding from September's cool 51.6°F (10.9°C) to a cold 35.6°F (2°C). Weather in October »

Weather in November

November, the last month of the autumn in Glennallen, is also a subzero cold month, with temperature in the range of an average low of 6.3°F (-14.3°C) and an average high of 16.2°F (-8.8°C). The shift from October to November is characterized by a clear decrease in the average high-temperature, reducing from an icy 35.6°F (2°C) to a freezing cold 16.2°F (-8.8°C). Weather in November »

Weather in December

The first month of the winter, December, is still an extremely cold month in Glennallen, Alaska, with an average temperature fluctuating between 0.9°F (-17.3°C) and 11.5°F (-11.4°C). The arrival of December brings an average high-temperature of an extremely cold 11.5°F (-11.4°C), subtly diverging from November's 16.2°F (-8.8°C). Weather in December »
Updated: Feb 9, 2024 | Published by: Weather U.S. | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What are the coldest months in Glennallen?

Glennallen's coldest weather arrives in January, when temperatures average a high of 9.1°F (-12.7°C) and a low of -1.8°F (-18.8°C).

What is the most humid month in Glennallen?

With an average relative humidity of 90%, January is the most humid month in Glennallen.

How many days does it rain in Glennallen?

In Glennallen, Alaska, during the entire year, the rain falls for 81.1 days and collects up to 5.71" (145mm) of precipitation.

When does it snow in Glennallen?

January through May, September through December are months with snowfall in Glennallen, Alaska.

How much does it snow in Glennallen?

Throughout the year, there are 54.8 snowfall days, and 17.13" (435mm) of snow is accumulated.

What is the month with the least sunshine in Glennallen?

The months with the least sunshine in Glennallen are January and December, with an average of 3.9h of sunshine.

When is the lowest UV index in Glennallen?

January through April, September through December, with an average maximum UV index of 2, are months with the lowest UV index.

When is Daylight Saving Time (DST) in Glennallen?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Glennallen, 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 is the driest month in Glennallen?

The month with the least rainfall is April, when the rain falls for 5 days and typically collects 0.2" (5mm) of precipitation.

What is the least humid month in Glennallen?

The least humid month is June, with an average relative humidity of 57%.

When it does not snow in Glennallen?

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

When are the longest days in Glennallen?

June has the longest days of the year in Glennallen, Alaska, with an average of 19h and 36min of daylight.

What month has the most sunshine in Glennallen?

June has the most sunshine of the year, with an average of 14.2h of sunshine.

What is the hottest time of year in Glennallen?

In Glennallen, temperatures reach their average annual highs in July, measuring 67.5°F (19.7°C) and a minimum average of 47.5°F (8.6°C).

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

July is the month with the highest UV index in Glennallen, with an average maximum UV index of 5.

What is the rainiest month in Glennallen?

August is the month with the most rainfall in Glennallen, Alaska. Rain falls for 11.3 days and accumulates 0.91" (23mm) of precipitation.

What is the snowiest month in Glennallen?

December is the month with the most snowfall. Snow falls for 11.2 days and accumulates 4.57" (116mm) of snow.

What is the month with the shortest days in Glennallen?

December has the shortest days of the year, with an average of 5h and 18min of daylight.

Average temperature
Glennallen, AK

Average temperature - Glennallen, AK

The warmest month (with the highest average high temperature) is July (67.5°F).
The month with the lowest average high temperature is January (9.1°F).

The month with the highest average low temperature is July (47.5°F).
The coldest month (with the lowest average low temperature) is January (-1.8°F).

Average pressure
Glennallen, AK

Average pressure - Glennallen, AK

The month with the highest atmospheric pressure is July (29.95"Hg).
The months with the lowest atmospheric pressure are September, October, November and December (29.78"Hg).

Average wind speed
Glennallen, AK

Average wind speed - Glennallen, AK

The windiest month (with the highest average wind speed) is June (6.2mph).
The calmest months (with the lowest average wind speed) are January and December (4.5mph).

Average humidity
Glennallen, AK

Average humidity - Glennallen, AK

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is June (57%).

Average rainfall
Glennallen, AK

Average rainfall - Glennallen, AK

The wettest month (with the highest rainfall) is August (0.91").
The driest month (with the least rainfall) is April (0.2").

Average rainfall days
Glennallen, AK

Average rainfall days - Glennallen, AK

The month with the highest number of rainy days is August (11.3 days).
The months with the least rainy days are February and November (3.7 days).

Average snowfall
Glennallen, AK

Average snowfall - Glennallen, AK

The month with the highest snowfall is December (4.57").
The months with the least snowfall are June, July and August (0").

Average snowfall days
Glennallen, AK

Average snowfall days - Glennallen, AK

The month with the highest number of snowfall days is December (11.2 days).
The months with the least snowfall days are June and July (0 days).

Average daylight / Average sunshine
Glennallen, AK

Average daylight / Average sunshine - Glennallen, AK

The month with the longest days is June (Average daylight: 19h and 36min).
The month with the shortest days is December (Average daylight: 5h and 18min).

The month with the most sunshine is June (Average sunshine: 14h and 12min).
The months with the least sunshine are January and December (Average sunshine: 3h and 54min).

Average sunshine days
Glennallen, AK

Average sunshine days - Glennallen, AK

The month with the most sunshine days is March (24.2 days).
The month with the least sunshine days is August (17.3 days).

Average UV index
Glennallen, AK

Average UV index - Glennallen, AK

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, September, October, November and December (UV index 2).

Average visibility
Glennallen, AK

Average visibility - Glennallen, AK

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

Glennallen, Alaska, USA

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