May weather forecast
Mendeltna, AK

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Weather in May

The last month of the spring, May, is a wintry month in Mendeltna, Alaska, with temperature in the range of an average low of 28.4°F (-2°C) and an average high of 41.5°F (5.3°C).

Temperature

As Mendeltna transitions into May, a rise in the average high-temperature is observed, moving from a subzero cold 27.9°F (-2.3°C) in April to a wintry 41.5°F (5.3°C). Mendeltna reports an average nighttime low-temperature of 28.4°F (-2°C) in May.

Humidity

In Mendeltna, the average relative humidity in May is 73%.

Rainfall

In Mendeltna, Alaska, in May, during 13.4 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. In Mendeltna, during the entire year, the rain falls for 165.3 days and collects up to 17.99" (457mm) of precipitation.

Snowfall

Months with snowfall are January through June, August through December. In Mendeltna, in May, during 11.5 snowfall days, 5" (127mm) of snow is typically accumulated. In Mendeltna, during the entire year, snow falls for 161.6 days and aggregates up to 83.27" (2115mm) of snow.

Daylight

In Mendeltna, the average length of the day in May is 17h and 48min.
On the first day of the month, sunrise is at 5:28 am and sunset at 9:57 pm. On the last day of May, sunrise is at 4:11 am and sunset at 11:15 pm AKDT.

Sunshine

The average sunshine in May in Mendeltna, Alaska, is 11.7h.

UV index

In Mendeltna, the average daily maximum UV index in May is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 2 during May translates into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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Frequently asked questions

How cold is it in Mendeltna in May?

The average high-temperature, in May, in Mendeltna, is 41.5°F (5.3°C), while the average low-temperature is 28.4°F (-2°C).

What is the average humidity in May in Mendeltna?

The average relative humidity in May is 73%.

How much does it rain in Mendeltna in May?

In May, the rain falls for 13.4 days. Throughout May, 1.26" (32mm) of precipitation is accumulated.

How many days does it snow in May in Mendeltna?

In Mendeltna, in May, snow falls for 11.5 days, with typically accumulated 5" (127mm) of snow.

How many hours of daylight does Mendeltna have in May?

In Mendeltna, Alaska, the average day length in May is 17h and 48min.

When are sunrise and sunset in May in Mendeltna?

In May, on the first day of the month, sunrise is at 5:28 am and sunset at 9:57 pm. On the last day of the month, in Mendeltna, Alaska, sunrise is at 4:11 am and sunset at 11:15 pm AKDT.

How many hours of sunshine does Mendeltna have in May?

The average sunshine duration in May in Mendeltna is 11.7h.

What is the UV index intensity in May in Mendeltna?

In Mendeltna, Alaska, the average daily maximum UV index in May is 2. A UV Index estimate of 2, and below, represents a low health threat 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
Mendeltna, AK

Average temperature in May - Mendeltna, AK
  • Average high temperature in May: 41.5°F

The warmest month (with the highest average high temperature) is July (57.7°F).
The month with the lowest average high temperature is January (6.3°F).

  • Average low temperature in May: 28.4°F

The month with the highest average low temperature is July (43.7°F).
The coldest month (with the lowest average low temperature) is January (-5.6°F).

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Average pressure in May
Mendeltna, AK

Average pressure in May - Mendeltna, AK
  • Average pressure in May: 29.93"Hg

The month with the highest atmospheric pressure is July (29.96"Hg).
The months with the lowest atmospheric pressure are November and December (29.74"Hg).

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Average wind speed in May
Mendeltna, AK

Average wind speed in May - Mendeltna, AK
  • Average wind speed in May: 4.7mph

The windiest month (with the highest average wind speed) is June (5mph).
The calmest month (with the lowest average wind speed) is March (3.9mph).

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Average humidity in May
Mendeltna, AK

Average humidity in May - Mendeltna, AK
  • Average humidity in May: 73%

The months with the highest relative humidity are March and December (90%).
The month with the lowest relative humidity is June (64%).

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Average rainfall in May
Mendeltna, AK

Average rainfall in May - Mendeltna, AK
  • Average rainfall in May: 1.26"

The wettest month (with the highest rainfall) is August (2.01").
The driest month (with the least rainfall) is April (0.83").

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Average rainfall days in May
Mendeltna, AK

Average rainfall days in May - Mendeltna, AK
  • Average rainfall days in May: 13.4 days

The month with the highest number of rainy days is August (20.8 days).
The month with the least rainy days is February (9.1 days).

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Average snowfall in May
Mendeltna, AK

Average snowfall in May - Mendeltna, AK
  • Average snowfall in May: 5"

The month with the highest snowfall is December (14.49").
The month with the least snowfall is July (0").

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Average snowfall days in May
Mendeltna, AK

Average snowfall days in May - Mendeltna, AK
  • Average snowfall days in May: 11.5 days

The month with the highest number of snowfall days is December (22.3 days).
The month with the least snowfall days is July (0 days).

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

Average daylight in May / Average sunshine in May - Mendeltna, 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: 11h and 4min

The month with the most sunshine is June (Average sunshine: 12h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).

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Average sunshine days in May
Mendeltna, AK

Average sunshine days in May - Mendeltna, AK
  • Average sunshine days in May: 10.7 days

The month with the most sunshine days is May (10.7 days).
The month with the least sunshine days is June (6.8 days).

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Average UV index in May
Mendeltna, AK

Average UV index in May - Mendeltna, AK
  • Average UV index in May: 2

The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, April, September, October, November and December (UV index 1).

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Average cloud cover in May
Mendeltna, AK

Average cloud cover in May - Mendeltna, AK
  • Average cloud cover in May: 38

The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 37).

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Average visibility in May
Mendeltna, AK

Average visibility in May - Mendeltna, AK
  • Average visibility in May: 6mi

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

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Mendeltna, Alaska, USA

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