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 varying between 9.1°F (-12.7°C) and -1.8°F (-18.8°C). The lowest temperatures are recorded in January, with averages reaching a high of 9.1°F (-12.7°C) and a low of -1.8°F (-18.8°C). Weather in January »

Weather in February

February, the last month of the winter in Glennallen, is a subzero cold month, with an average temperature fluctuating between 15.3°F (-9.3°C) and 0.5°F (-17.5°C). With the onset of February, Glennallen's weather sees a minor temperature rise, transitioning 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

The first month of the spring, March, is still a freezing cold month in Glennallen, Alaska, with temperature in the range of an average high of 22.3°F (-5.4°C) and an average low of 3.2°F (-16°C). March brings a slight rise in Glennallen's average high-temperature, moving from 15.3°F (-9.3°C) in February to a still subzero 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 fluctuating between 18.9°F (-7.3°C) and 35.4°F (1.9°C). As Glennallen transitions into April, the average high-temperature shows a change, moving from a subzero cold 22.3°F (-5.4°C) in March to a wintry 35.4°F (1.9°C). Weather in April »

Weather in May

May, the last month of the spring in Glennallen, is a cool month, with an average temperature fluctuating between 53.2°F (11.8°C) and 36.9°F (2.7°C). With the onset of May, Glennallen's average high-temperature experiences a noticeable rise, advancing from April's wintry 35.4°F (1.9°C) to a fresh 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 fluctuating between 44.1°F (6.7°C) and 62.8°F (17.1°C). June brings a temperature change, with average high-temperatures moving from May's fresh 53.2°F (11.8°C) to an enjoyable 62.8°F (17.1°C). Weather in June »

Weather in July

July, the same as June, is another comfortable summer month in Glennallen, Alaska, with an average temperature fluctuating between 67.5°F (19.7°C) and 47.5°F (8.6°C). Glennallen's warmest weather arrives in July, when temperatures average a high of 67.5°F (19.7°C) and 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 temperature in the range of an average high of 61.9°F (16.6°C) and an average low of 44.4°F (6.9°C). Glennallen's August weather shows a modest shift in high-temperatures, falling from July's 67.5°F (19.7°C) to a still enjoyable 61.9°F (16.6°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a fresh month in Glennallen, Alaska, with an average temperature ranging between max 51.6°F (10.9°C) and min 36.5°F (2.5°C). The onset of September is marked by a decrease in temperature, transitioning from a refreshing 61.9°F (16.6°C) in August to a fresh 51.6°F (10.9°C). Weather in September »

Weather in October

October, the same as September, is another cold autumn month in Glennallen, Alaska, with temperature in the range of an average high of 35.6°F (2°C) and an average low of 25.5°F (-3.6°C). Glennallen experiences a noticeable temperature shift with the start of October, with average high-temperatures moving from a cool 51.6°F (10.9°C) in September to an icy 35.6°F (2°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a subzero cold month in Glennallen, Alaska, with an average temperature fluctuating between 6.3°F (-14.3°C) and 16.2°F (-8.8°C). November's arrival is marked by a significant decrease in the average high-temperature, moving from a cold 35.6°F (2°C) in October to a subzero cold 16.2°F (-8.8°C). Weather in November »

Weather in December

December, the first month of the winter in Glennallen, is still an extremely cold month, with an average temperature varying between 0.9°F (-17.3°C) and 11.5°F (-11.4°C). In December, Glennallen notes an average high-temperature of a frigid cold 11.5°F (-11.4°C), hardly different from the preceding month. Weather in December »

Frequently asked questions

What is the coldest time of year?

January is the coldest month, exhibiting average temperatures of 9.1°F (-12.7°C) at the peak and -1.8°F (-18.8°C) at the base.

What is the most humid month?

The most humid month is January, with an average relative humidity of 90%.

How many days does it rain?

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

When does it snow?

January through May, September through December are months with snowfall.

How much does it snow?

In Glennallen, during the entire year, snow falls for 54.8 days and aggregates up to 17.13" (435mm) of snow.

What is the month with the least sunshine?

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

What are the months with the lowest UV index?

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)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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?

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?

With an average relative humidity of 57%, June is the least humid month.

When it does not snow?

June through August are months without snowfall.

When are the longest days?

With an average of 19h and 36min of daylight, June has the longest days of the year.

What month has the most sunshine?

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

What time of the year is the hottest in Glennallen?

July is the month that records the highest temperatures, with averages ranging from a high of 67.5°F (19.7°C) to a low of 47.5°F (8.6°C).

What is the month with the highest UV index?

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

What is the wettest month?

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

What is the snowiest month?

The month with the most snowfall is December, when snow falls for 11.2 days and typically aggregates up to 4.57" (116mm) of snow.

What is the month with the shortest days?

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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