May weather forecastKing Salmon, AK
May
Weather in May
The last month of the spring, May, is a cool month in King Salmon, Alaska, with an average temperature fluctuating between 38.7°F (3.7°C) and 53.2°F (11.8°C).Temperature
The shift into May is marked by a rise in the average high-temperature, moving from April's wintry 40.8°F (4.9°C) to a fresh 53.2°F (11.8°C). Throughout May nights, King Salmon registers an average low-temperature of 38.7°F (3.7°C).Humidity
May is the least humid month, with an average relative humidity of 67%.Rainfall
In King Salmon, in May, it is raining for 16.5 days, with typically 1.5" (38mm) of accumulated precipitation. In King Salmon, during the entire year, the rain falls for 158.9 days and collects up to 18.43" (468mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 1.4 snowfall days, in May, King Salmon aggregates 0.35" (9mm) of snow. Throughout the year, there are 63.7 snowfall days, and 22.56" (573mm) of snow is accumulated.Daylight
In May, the average length of the day is 16h and 55min.On the first day of the month, sunrise is at 6:27 am and sunset at 10:19 pm. On the last day of May, sunrise is at 5:27 am and sunset at 11:21 pm AKDT.
Sunshine
In King Salmon, the average sunshine in May is 8.1h.UV index
In King Salmon, the average daily maximum UV index in May is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 3 during May leads to these advisories:
Make use of precautions - Suggestions to resist sunburn are communicated. When the Sun is at its strongest around midday, find shade and limit exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
King Salmon, AK
- Average high temperature in May: 53.2°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 (20.8°F).
- Average low temperature in May: 38.7°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 (13.1°F).
Average pressure in May
King Salmon, AK
- Average pressure in May: 29.88"Hg
The month with the highest atmospheric pressure is July (29.96"Hg).
The month with the lowest atmospheric pressure is December (29.6"Hg).
Average wind speed in May
King Salmon, AK
- Average wind speed in May: 8.9mph
The windiest month (with the highest average wind speed) is December (10.4mph).
The calmest month (with the lowest average wind speed) is June (7.6mph).
Average humidity in May
King Salmon, AK
- Average humidity in May: 67%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is May (67%).
Average rainfall in May
King Salmon, AK
- Average rainfall in May: 1.5"
The wettest month (with the highest rainfall) is August (2.2").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in May
King Salmon, AK
- Average rainfall days in May: 16.5 days
The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is March (6.7 days).
Average snowfall in May
King Salmon, AK
- Average snowfall in May: 0.35"
The month with the highest snowfall is December (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
King Salmon, AK
- Average snowfall days in May: 1.4 days
The month with the highest number of snowfall days is March (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
King Salmon, AK
- Average daylight in May: 16h and 54min
The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- Average sunshine in May: 8h and 6min
The month with the most sunshine is June (Average sunshine: 8h and 12min).
The months with the least sunshine are January and December (Average sunshine: 3h and 6min).
Average sunshine days in May
King Salmon, AK
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is January (15.3 days).
The month with the least sunshine days is July (9.2 days).
Average UV index in May
King Salmon, 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 November and December (UV index 1).
Average cloud cover in May
King Salmon, AK
- Average cloud cover in May: 55
The month with the most cloud cover is August (Cloud cover 65).
The months with the least cloud cover are January and May (Cloud cover 55).
Average visibility in May
King Salmon, AK
- Average visibility in May: 6mi
The months with the highest visibility are January, February, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is March (5mi).





