May weather forecastPetersville, AK
May
Weather in May
May, the last month of the spring in Petersville, is a fresh month, with an average temperature varying between 39.7°F (4.3°C) and 54.1°F (12.3°C).Temperature
May signals a clear temperature escalation, with average high-temperatures advancing from April's cold 37.2°F (2.9°C) to a cool 54.1°F (12.3°C). Petersville experiences an average low-temperature of 39.7°F (4.3°C) in the month of May.Humidity
May is the least humid month, with an average relative humidity of 64%.Rainfall
In May, the rain falls for 12 days. Throughout May, 0.98" (25mm) of precipitation is accumulated. Throughout the year, there are 131.6 rainfall days, and 17.36" (441mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. May is the last month it regularly snows. During 1.4 snowfall days, in May, Petersville aggregates 0.47" (12mm) of snow. Throughout the year, there are 60.9 snowfall days, and 36.89" (937mm) of snow is accumulated.Daylight
In Petersville, Alaska, the average length of the day in May is 17h and 56min.On the first day of May, sunrise is at 5:42 am and sunset at 10:17 pm. On the last day of the month, sunrise is at 4:23 am and sunset at 11:38 pm AKDT.
Sunshine
May has the most sunshine of the year, with an average of 11.6h of sunshine.UV index
The average daily maximum UV index in May is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 3 in May interprets into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Petersville, AK
- Average high temperature in May: 54.1°F
The warmest month (with the highest average high temperature) is July (65.5°F).
The month with the lowest average high temperature is January (16.9°F).
- Average low temperature in May: 39.7°F
The month with the highest average low temperature is July (48.4°F).
The coldest month (with the lowest average low temperature) is January (8.8°F).
Average pressure in May
Petersville, AK
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is July (29.94"Hg).
The month with the lowest atmospheric pressure is December (29.72"Hg).
Average wind speed in May
Petersville, AK
- Average wind speed in May: 4.7mph
The windiest month (with the highest average wind speed) is January (7mph).
The calmest month (with the lowest average wind speed) is July (4.3mph).
Average humidity in May
Petersville, AK
- Average humidity in May: 64%
The month with the highest relative humidity is March (85%).
The month with the lowest relative humidity is May (64%).
Average rainfall in May
Petersville, AK
- Average rainfall in May: 0.98"
The wettest month (with the highest rainfall) is September (2.68").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in May
Petersville, AK
- Average rainfall days in May: 12 days
The month with the highest number of rainy days is August (20.4 days).
The month with the least rainy days is December (4.8 days).
Average snowfall in May
Petersville, AK
- Average snowfall in May: 0.47"
The month with the highest snowfall is November (7.87").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Petersville, AK
- Average snowfall days in May: 1.4 days
The month with the highest number of snowfall days is December (12.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Petersville, AK
- Average daylight in May: 17h and 54min
The month with the longest days is June (Average daylight: 19h and 48min).
The month with the shortest days is December (Average daylight: 5h and 6min).
- Average sunshine in May: 11h and 36min
The month with the most sunshine is May (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in May
Petersville, AK
- Average sunshine days in May: 15.8 days
The month with the most sunshine days is January (19.5 days).
The month with the least sunshine days is August (8.3 days).
Average UV index in May
Petersville, AK
- Average UV index in May: 3
The months with the highest UV index are June and July (UV index 4).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Petersville, AK
- Average cloud cover in May: 39
The month with the most cloud cover is August (Cloud cover 48).
The month with the least cloud cover is January (Cloud cover 38).
Average visibility in May
Petersville, AK
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is April (5mi).
