May weather forecastSaint Michael, AK
May
Weather in May
May, the last month of the spring in Saint Michael, is a chilly month, with an average temperature varying between 34.3°F (1.3°C) and 45.3°F (7.4°C).Temperature
The shift from April to May sees an increase in the average high-temperature, transitioning from a subzero cold 31.5°F (-0.3°C) to a chilly 45.3°F (7.4°C). Throughout the month of May, Saint Michael reports a steady low-temperature average of 34.3°F (1.3°C).Humidity
The average relative humidity in May is 76%.Rainfall
In Saint Michael, during May, the rain falls for 13.3 days and regularly aggregates up to 0.83" (21mm) of precipitation. In Saint Michael, during the entire year, the rain falls for 118.6 days and collects up to 13.39" (340mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 4 snowfall days, in May, Saint Michael aggregates 0.55" (14mm) of snow. In Saint Michael, Alaska, during the entire year, snow falls for 94.3 days and aggregates up to 27.2" (691mm) of snow.Daylight
The average length of the day in May is 18h and 17min.On the first day of May, sunrise is at 6:21 am and sunset at 11:09 pm. On the last day of the month, sunrise is at 4:53 am and sunset at 12:38 am AKDT.
Sunshine
May has the most sunshine of the year, with an average of 8.3h of sunshine.UV index
In May, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum daily UV index of 3 during May morphs into the following directions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Saint Michael, AK
- Average high temperature in May: 45.3°F
The warmest month (with the highest average high temperature) is July (59.5°F).
The month with the lowest average high temperature is January (9.1°F).
- Average low temperature in May: 34.3°F
The month with the highest average low temperature is July (48.7°F).
The coldest month (with the lowest average low temperature) is January (1.8°F).
Average pressure in May
Saint Michael, AK
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is May (29.92"Hg).
The month with the lowest atmospheric pressure is October (29.72"Hg).
Average wind speed in May
Saint Michael, AK
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is October (9.6mph).
The calmest month (with the lowest average wind speed) is June (6mph).
Average humidity in May
Saint Michael, AK
- Average humidity in May: 76%
The month with the highest relative humidity is March (92%).
The month with the lowest relative humidity is June (72%).
Average rainfall in May
Saint Michael, AK
- Average rainfall in May: 0.83"
The wettest month (with the highest rainfall) is August (2.24").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in May
Saint Michael, AK
- Average rainfall days in May: 13.3 days
The month with the highest number of rainy days is August (19.8 days).
The month with the least rainy days is January (2.7 days).
Average snowfall in May
Saint Michael, AK
- Average snowfall in May: 0.55"
The month with the highest snowfall is November (4.76").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Saint Michael, AK
- Average snowfall days in May: 4 days
The month with the highest number of snowfall days is March (16.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Saint Michael, AK
- Average daylight in May: 18h and 18min
The month with the longest days is June (Average daylight: 20h and 24min).
The month with the shortest days is December (Average daylight: 4h and 42min).
- Average sunshine in May: 8h and 18min
The month with the most sunshine is May (Average sunshine: 8h and 18min).
The month with the least sunshine is June (Average sunshine: 2h and 54min).
Average sunshine days in May
Saint Michael, AK
- Average sunshine days in May: 12.9 days
The month with the most sunshine days is January (18.3 days).
The month with the least sunshine days is August (8.4 days).
Average UV index in May
Saint Michael, AK
- Average UV index in May: 3
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March and December (UV index 1).
Average cloud cover in May
Saint Michael, AK
- Average cloud cover in May: 54
The month with the most cloud cover is August (Cloud cover 62).
The month with the least cloud cover is June (Cloud cover 50).
Average visibility in May
Saint Michael, 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, February, March, April and December (4mi).





