May weather forecastClam Gulch, AK
May
Weather in May
May, the last month of the spring in Clam Gulch, is a cool month, with an average temperature ranging between max 50.7°F (10.4°C) and min 40.5°F (4.7°C).Temperature
The onset of May marks an increase in the average high-temperature, moving from a cold 39°F (3.9°C) in April to a cool 50.7°F (10.4°C). In Clam Gulch, May nights witness a steady temperature drop to a cold 40.5°F (4.7°C).Humidity
With an average relative humidity of 70%, May is the least humid month.Rainfall
The months with the least rainfall are March and May Rain falls for 16.5 days and accumulates 1.34" (34mm) of rain.Snowfall
January through May, September through December are months with snowfall. May is the last month it regularly snows. During 1.2 snowfall days, in May, Clam Gulch aggregates 0.35" (9mm) of snow. In Clam Gulch, during the entire year, snow falls for 80.3 days and aggregates up to 44.88" (1140mm) of snow.Daylight
In Clam Gulch, the average length of the day in May is 17h and 17min.On the first day of May, sunrise is at 5:58 am and sunset at 10:06 pm. On the last day of the month, sunrise is at 4:52 am and sunset at 11:14 pm AKDT.
Sunshine
The average sunshine in May in Clam Gulch is 9.6h.UV index
In Clam Gulch, the average daily maximum UV index in May is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: A typical high UV index of 3 in May suggests the following recommendations:
Exercise prevention - Warding off sunburn is urged. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Clam Gulch, AK
- Average high temperature in May: 50.7°F
The warmest month (with the highest average high temperature) is July (61.2°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in May: 40.5°F
The month with the highest average low temperature is July (50.2°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in May
Clam Gulch, AK
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is July (29.96"Hg).
The months with the lowest atmospheric pressure are November and December (29.63"Hg).
Average wind speed in May
Clam Gulch, AK
- Average wind speed in May: 5.8mph
The windiest months (with the highest average wind speed) are January, November and December (8mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity in May
Clam Gulch, AK
- Average humidity in May: 70%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (70%).
Average rainfall in May
Clam Gulch, AK
- Average rainfall in May: 1.34"
The wettest month (with the highest rainfall) is October (3.39").
The driest months (with the least rainfall) are March and May (1.34").
Average rainfall days in May
Clam Gulch, AK
- Average rainfall days in May: 16.5 days
The month with the highest number of rainy days is September (19.7 days).
The month with the least rainy days is February (7.4 days).
Average snowfall in May
Clam Gulch, AK
- Average snowfall in May: 0.35"
The month with the highest snowfall is December (10.43").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Clam Gulch, AK
- Average snowfall days in May: 1.2 days
The month with the highest number of snowfall days is December (15.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Clam Gulch, AK
- Average daylight in May: 17h and 18min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in May: 9h and 36min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in May
Clam Gulch, AK
- Average sunshine days in May: 12.7 days
The months with the most sunshine days are January and March (13.2 days).
The month with the least sunshine days is September (8.9 days).
Average UV index in May
Clam Gulch, AK
- Average UV index in May: 3
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are February and October (UV index 1).
Average cloud cover in May
Clam Gulch, AK
- Average cloud cover in May: 49
The month with the most cloud cover is December (Cloud cover 56).
The months with the least cloud cover are June and July (Cloud cover 46).
Average visibility in May
Clam Gulch, AK
- Average visibility in May: 6mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, April and December (5mi).





