May weather forecastNapaskiak, AK
May
Weather in May
May, the last month of the spring in Napaskiak, is a cool month, with an average temperature varying between 51.6°F (10.9°C) and 37.9°F (3.3°C).Temperature
A noticeable upsurge in temperatures is seen as April gives way to May, with average highs moving from a wintry 35.1°F (1.7°C) to a fresh 51.6°F (10.9°C). The average temperature in Napaskiak during May nights dips to an icy 37.9°F (3.3°C).Humidity
In May, the average relative humidity is 68%.Rainfall
In May, the rain falls for 13.7 days. Throughout May, 1.14" (29mm) of precipitation is accumulated. In Napaskiak, during the entire year, the rain falls for 129.5 days and collects up to 16.46" (418mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 2.7 snowfall days, in May, Napaskiak aggregates 0.35" (9mm) of snow. Throughout the year, there are 74.8 snowfall days, and 22.91" (582mm) of snow is accumulated.Daylight
The average length of the day in May is 17h and 25min.On the first day of May, sunrise is at 6:37 am and sunset at 10:50 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 12:01 am AKDT.
Sunshine
With an average of 8.1h of sunshine, May has the most sunshine of the year.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 3 in May converts into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Napaskiak, AK
- Average high temperature in May: 51.6°F
The warmest month (with the highest average high temperature) is July (62.4°F).
The month with the lowest average high temperature is January (12.2°F).
- Average low temperature in May: 37.9°F
The month with the highest average low temperature is July (49.6°F).
The coldest month (with the lowest average low temperature) is January (3.7°F).
Average pressure in May
Napaskiak, AK
- Average pressure in May: 29.89"Hg
The month with the highest atmospheric pressure is July (29.92"Hg).
The month with the lowest atmospheric pressure is December (29.64"Hg).
Average wind speed in May
Napaskiak, AK
- Average wind speed in May: 9.3mph
The windiest month (with the highest average wind speed) is January (12.7mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).
Average humidity in May
Napaskiak, AK
- Average humidity in May: 68%
The months with the highest relative humidity are January, February and March (91%).
The month with the lowest relative humidity is June (65%).
Average rainfall in May
Napaskiak, AK
- Average rainfall in May: 1.14"
The wettest month (with the highest rainfall) is August (2.09").
The driest months (with the least rainfall) are January and April (0.91").
Average rainfall days in May
Napaskiak, AK
- Average rainfall days in May: 13.7 days
The month with the highest number of rainy days is August (19.7 days).
The month with the least rainy days is March (4.4 days).
Average snowfall in May
Napaskiak, AK
- Average snowfall in May: 0.35"
The month with the highest snowfall is February (4.96").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Napaskiak, AK
- Average snowfall days in May: 2.7 days
The month with the highest number of snowfall days is December (12.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Napaskiak, AK
- Average daylight in May: 17h and 24min
The month with the longest days is June (Average daylight: 19h and 0min).
The month with the shortest days is December (Average daylight: 5h and 48min).
- Average sunshine in May: 8h and 6min
The month with the most sunshine is May (Average sunshine: 8h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).
Average sunshine days in May
Napaskiak, AK
- Average sunshine days in May: 14.1 days
The month with the most sunshine days is March (17.5 days).
The month with the least sunshine days is August (8.6 days).
Average UV index in May
Napaskiak, 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 February, March and December (UV index 1).
Average cloud cover in May
Napaskiak, AK
- Average cloud cover in May: 57
The months with the most cloud cover are July and August (Cloud cover 67).
The month with the least cloud cover is June (Cloud cover 54).
Average visibility in May
Napaskiak, AK
- Average visibility in May: 6mi
The months with the highest visibility are May, June, July, August, September, October and December (6mi).
The months with the lowest visibility are January, February, March, April and November (5mi).





