Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May's arrival signals a temperature shift, moving from a subzero cold 27.9°F (-2.3°C) in April to a wintry 41.5°F (5.3°C). In Mendeltna, the average temperature during the nights of May drops to a freezing cold 28.4°F (-2°C).Humidity
In May, the average relative humidity in Mendeltna is 73%.Rainfall
In May, the rain falls for 13.4 days. Throughout May, 1.26" (32mm) of precipitation is 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
The average length of the day in May is 17h and 48min.On the first day of May, sunrise is at 5:28 am and sunset at 9:57 pm. On the last day of the month, sunrise is at 4:11 am and sunset at 11:15 pm AKDT.
Sunshine
In May, the average sunshine is 11.7h.UV index
The average daily maximum UV index in May is 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In May, the UV index of 2 transforms into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is May cold?
What is the average humidity in May?
How many days does it rain in May?
How many days does it snow in May?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
What is the UV index reading in May?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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).
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).
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).
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).
Mendeltna, Alaska, USA
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