May weather forecastGlennallen, AK
May
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).Temperature
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). In the month of May, the nighttime temperature dips to a steady average of 36.9°F (2.7°C).Humidity
The average relative humidity in May is 60%.Rainfall
In Glennallen, during May, the rain falls for 6.4 days and regularly aggregates up to 0.39" (10mm) of precipitation. Throughout the year, there are 81.1 rainfall days, and 5.71" (145mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. May is the last month it regularly snows. During 0.9 snowfall days, in May, Glennallen aggregates 0.59" (15mm) of snow. Throughout the year, in Glennallen, there are 54.8 snowfall days, and 17.13" (435mm) of snow is accumulated.Daylight
In Glennallen, the average length of the day in May is 17h and 49min.On the first day of May, sunrise is at 5:24 am and sunset at 9:53 pm. On the last day of the month, sunrise is at 4:07 am and sunset at 11:12 pm AKDT.
Sunshine
In Glennallen, the average sunshine in May is 12.1h.UV index
In May, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In May, a daily maximum UV index of 3 leads to the following instructions:
Act with care - The suggestion to avoid sunburn is emphasized. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Glennallen, AK
- Average high temperature in May: 53.2°F
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).
- Average low temperature in May: 36.9°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 in May
Glennallen, AK
- Average pressure in May: 29.93"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 in May
Glennallen, AK
- Average wind speed in May: 5.9mph
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 in May
Glennallen, AK
- Average humidity in May: 60%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is June (57%).
Average rainfall in May
Glennallen, AK
- Average rainfall in May: 0.39"
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 in May
Glennallen, AK
- Average rainfall days in May: 6.4 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 in May
Glennallen, AK
- Average snowfall in May: 0.59"
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 in May
Glennallen, AK
- Average snowfall days in May: 0.9 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 in May /
Average sunshine in May
Glennallen, AK
- Average daylight in May: 17h and 48min
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 May: 12h and 6min
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 in May
Glennallen, AK
- Average sunshine days in May: 23.2 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 in May
Glennallen, AK
- Average UV index in May: 3
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 in May
Glennallen, AK
- Average cloud cover in May: 35
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 in May
Glennallen, AK
- Average visibility in May: 6mi
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).
