Climate and monthly weather forecastGlennallen, AK
Climate and monthly weather forecast
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 »Updated: Jun 3, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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.
The most humid month is January, with an average relative humidity of 90%.
In Glennallen, during the entire year, the rain falls for 81.1 days and collects up to 5.71" (145mm) of precipitation.
January through May, September through December are months with snowfall.
In Glennallen, during the entire year, snow falls for 54.8 days and aggregates up to 17.13" (435mm) of snow.
January and December, with an average of 3.9h of sunshine, are months with the least sunshine.
January through April, September through December, with an average maximum UV index of 2, are months with the lowest UV index.
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.
The month with the least rainfall is April, when the rain falls for 5 days and typically collects 0.2" (5mm) of precipitation.
With an average relative humidity of 57%, June is the least humid month.
June through August are months without snowfall.
With an average of 19h and 36min of daylight, June has the longest days of the year.
June has the most sunshine of the year, with an average of 14.2h of sunshine.
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).
The month with the highest UV index is July, with an average maximum UV index of 5.
August is the month with the most rainfall. Rain falls for 11.3 days and accumulates 0.91" (23mm) of precipitation.
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.
December has the shortest days of the year, with an average of 5h and 18min of daylight.
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 in January:
29.83"Hg - Average pressure in February:
29.92"Hg - Average pressure in March:
29.85"Hg - Average pressure in April:
29.86"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.87"Hg - Average pressure in September:
29.78"Hg - Average pressure in October:
29.78"Hg - Average pressure in November:
29.78"Hg - Average pressure in December:
29.78"Hg
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 in January:
4.5mph - Average wind speed in February:
4.7mph - Average wind speed in March:
4.7mph - Average wind speed in April:
4.7mph - Average wind speed in May:
5.9mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
6mph - Average wind speed in August:
5.9mph - Average wind speed in September:
5.6mph - Average wind speed in October:
4.7mph - Average wind speed in November:
4.7mph - Average wind speed in December:
4.5mph
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
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 in January:
0.31" - Average rainfall in February:
0.31" - Average rainfall in March:
0.24" - Average rainfall in April:
0.2" - Average rainfall in May:
0.39" - Average rainfall in June:
0.43"
- Average rainfall in July:
0.59" - Average rainfall in August:
0.91" - Average rainfall in September:
0.79" - Average rainfall in October:
0.47" - Average rainfall in November:
0.47" - Average rainfall in December:
0.59"
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 in January:
5.2 days - Average rainfall days in February:
3.7 days - Average rainfall days in March:
4.9 days - Average rainfall days in April:
5 days - Average rainfall days in May:
6.4 days - Average rainfall days in June:
7.5 days
- Average rainfall days in July:
9.3 days - Average rainfall days in August:
11.3 days - Average rainfall days in September:
10.1 days - Average rainfall days in October:
8.5 days - Average rainfall days in November:
3.7 days - Average rainfall days in December:
5.5 days
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
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 in January:
9.3 days - Average snowfall days in February:
7.8 days - Average snowfall days in March:
6.7 days - Average snowfall days in April:
4.1 days - Average snowfall days in May:
0.9 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0.1 days - Average snowfall days in September:
0.5 days - Average snowfall days in October:
4.8 days - Average snowfall days in November:
9.4 days - Average snowfall days in December:
11.2 days
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 in January:
6h and 18min - Average daylight in February:
8h and 54min - Average daylight in March:
11h and 54min - Average daylight in April:
14h and 54min - Average daylight in May:
17h and 48min - Average daylight in June:
19h and 36min
- Average daylight in July:
18h and 36min - Average daylight in August:
15h and 54min - Average daylight in September:
12h and 54min - Average daylight in October:
9h and 54min - Average daylight in November:
7h and 0min - Average daylight in December:
5h and 18min
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).
- Average sunshine in January:
3h and 54min - Average sunshine in February:
5h and 42min - Average sunshine in March:
7h and 42min - Average sunshine in April:
9h and 0min - Average sunshine in May:
12h and 6min - Average sunshine in June:
14h and 12min
- Average sunshine in July:
12h and 54min - Average sunshine in August:
10h and 54min - Average sunshine in September:
9h and 0min - Average sunshine in October:
6h and 30min - Average sunshine in November:
4h and 54min - Average sunshine in December:
3h and 54min
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 in January:
21.4 days - Average sunshine days in February:
20 days - Average sunshine days in March:
24.2 days - Average sunshine days in April:
23.2 days - Average sunshine days in May:
23.2 days - Average sunshine days in June:
19.8 days
- Average sunshine days in July:
19.8 days - Average sunshine days in August:
17.3 days - Average sunshine days in September:
17.6 days - Average sunshine days in October:
21.1 days - Average sunshine days in November:
20.7 days - Average sunshine days in December:
20.4 days
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
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 cloud cover
Glennallen, AK
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 33).
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).
