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 onset brings a noticeable temperature rise, soaring from a freezing cold 31.6°F (-0.2°C) in April to a frosty 48.9°F (9.4°C). An average low-temperature of 35.2°F (1.8°C) marks the month of May.Humidity
The average relative humidity in May is 72%.Rainfall
In Saint Mary's, Alaska, in May, it is raining for 11.8 days, with typically 0.94" (24mm) of accumulated precipitation. Throughout the year, there are 104.5 rainfall days, and 15.75" (400mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 3.4 snowfall days, in May, Saint Mary's aggregates 0.55" (14mm) of snow. In Saint Mary's, during the entire year, snow falls for 71.4 days and aggregates up to 22.72" (577mm) of snow.Daylight
In May, the average length of the day in Saint Mary's is 17h and 48min.On the first day of May in Saint Mary's, sunrise is at 6:35 am and sunset at 11:04 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 12:22 am AKDT.
Sunshine
The month with the most sunshine is May, with an average of 7.9h of sunshine.UV index
May through August, with an average maximum UV index of 3, are months with the highest UV index in Saint Mary's. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In May, the UV index of 3 transforms into the following advice:
Ensure safety - Imperative it is to shield skin and eyes from damage. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Frequently asked questions
What is the temperature in May in Saint Mary's?
What is the average humidity in May in Saint Mary's?
How much does it rain in Saint Mary's in May?
What is the last month it snows in Saint Mary's?
What is the average length of the day in May in Saint Mary's?
When is the sunrise / sunset in May in Saint Mary's?
What month has the most sunshine in Saint Mary's?
How long on average sun shines in May in Saint Mary's?
What are the months with the highest UV index in Saint Mary's?
How high is the UV index in May in Saint Mary's?
Average temperature in May
Saint Mary's, AK
- Average high temperature in May: 48.9°F
The warmest month (with the highest average high temperature) is July (61.5°F).
The month with the lowest average high temperature is January (11.3°F).
- Average low temperature in May: 35.2°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 (2.3°F).
Average pressure in May
Saint Mary's, AK
- Average pressure in May: 29.9"Hg
The month with the highest atmospheric pressure is July (29.91"Hg).
The months with the lowest atmospheric pressure are October and December (29.67"Hg).
Average wind speed in May
Saint Mary's, AK
- Average wind speed in May: 9.4mph
The windiest month (with the highest average wind speed) is February (11.9mph).
The calmest month (with the lowest average wind speed) is July (8.9mph).
Average humidity in May
Saint Mary's, AK
- Average humidity in May: 72%
The months with the highest relative humidity are January, February, March and December (91%).
The month with the lowest relative humidity is June (66%).
Average rainfall in May
Saint Mary's, AK
- Average rainfall in May: 0.94"
The wettest month (with the highest rainfall) is August (2.13").
The driest months (with the least rainfall) are January and June (0.87").
Average rainfall days in May
Saint Mary's, AK
- Average rainfall days in May: 11.8 days
The month with the highest number of rainy days is August (17.8 days).
The months with the least rainy days are January and February (2.4 days).
Average snowfall in May
Saint Mary's, AK
- Average snowfall in May: 0.55"
The month with the highest snowfall is February (5.28").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Saint Mary's, AK
- Average snowfall days in May: 3.4 days
The month with the highest number of snowfall days is February (11.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Saint Mary's, 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: 7h and 5min
The month with the most sunshine is May (Average sunshine: 7h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 36min).
Average sunshine days in May
Saint Mary's, AK
- Average sunshine days in May: 15.1 days
The month with the most sunshine days is March (19.5 days).
The month with the least sunshine days is August (10.9 days).
Average UV index in May
Saint Mary's, AK
- Average UV index in May: 3
The months with the highest UV index are May, June, July and August (UV index 3).
The months with the lowest UV index are March, November and December (UV index 1).
Average cloud cover in May
Saint Mary's, AK
- Average cloud cover in May: 56
The month with the most cloud cover is July (Cloud cover 68).
The month with the least cloud cover is June (Cloud cover 54).
Average visibility in May
Saint Mary's, 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, November and December (5mi).
Saint Mary's, Alaska, USA
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