May weather forecast
Glennallen, AK

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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).

Temperature

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). May in Glennallen generally records an average low-temperature of 36.9°F (2.7°C).

Humidity

In May, the average relative humidity in Glennallen is 60%.

Rainfall

In May, in Glennallen, Alaska, the rain falls for 6.4 days. Throughout May, 0.39" (10mm) of precipitation is accumulated. Throughout the year, in Glennallen, there are 81.1 rainfall days, and 5.71" (145mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. 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, Alaska, there are 54.8 snowfall days, and 17.13" (435mm) of snow is accumulated.

Daylight

In May, the average length of the day 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 Glennallen, the average daily maximum UV index in May is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In May, a daily UV index of 3 turns into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
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Frequently asked questions

What is the temperature in May in Glennallen?

May temperatures in Glennallen, Alaska, vary between a high-temperature of 53.2°F (11.8°C) and a low-temperature of 36.9°F (2.7°C).

What is the average humidity in May in Glennallen?

The average relative humidity in May is 60%.

How much does it rain in Glennallen in May?

In May, in Glennallen, the rain falls for 6.4 days. Throughout May, 0.39" (10mm) of precipitation is accumulated.

What is the last month it snows in Glennallen?

May is the last month it regularly snows. During 0.9 snowfall days, in May, Glennallen aggregates 0.59" (15mm) of snow.

How many hours of daylight does Glennallen have in May?

In Glennallen, the average day length in May is 17h and 49min.

When are sunrise and sunset in May in Glennallen?

In May, on the first day of the month, sunrise is at 5:24 am and sunset at 9:53 pm. On the last day of the month, in Glennallen, sunrise is at 4:07 am and sunset at 11:12 pm AKDT.

How long on average sun shines in May in Glennallen?

The average sunshine duration in May in Glennallen, Alaska, is 12.1h.

What is the UV index intensity in May in Glennallen?

The average daily maximum UV index in May in Glennallen, Alaska, is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Glennallen, AK

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).

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Average pressure in May
Glennallen, AK

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).

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Average wind speed in May
Glennallen, AK

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).

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Average humidity in May
Glennallen, AK

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%).

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Average rainfall in May
Glennallen, AK

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").

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Average rainfall days in May
Glennallen, AK

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).

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Average snowfall in May
Glennallen, AK

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").

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Average snowfall days in May
Glennallen, AK

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).

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Average daylight in May /
Average sunshine in May
Glennallen, AK

Average daylight in May / Average sunshine in May - Glennallen, AK
  • Average daylight in May: 17h and 5min

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 1min

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).

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Average sunshine days in May
Glennallen, AK

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).

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Average UV index in May
Glennallen, AK

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).

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Average cloud cover in May
Glennallen, AK

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).

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Average visibility in May
Glennallen, AK

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).

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Glennallen, Alaska, USA

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