May weather forecastYistletaw, AK
May
Weather in May
The last month of the spring, May, is a fresh month in Yistletaw, Alaska, with an average temperature varying between 35.8°F (2.1°C) and 53.2°F (11.8°C).Temperature
Yistletaw witnesses a significant increase in the average high-temperature with the arrival of May, rising from April's subzero cold 31.1°F (-0.5°C) to a cool 53.2°F (11.8°C). Throughout May, an average nighttime temperature of 35.8°F (2.1°C) is experienced.Humidity
The average relative humidity in May is 70%.Rainfall
In Yistletaw, Alaska, in May, it is raining for 16.7 days, with typically 1.14" (29mm) of accumulated precipitation. Throughout the year, there are 116.7 rainfall days, and 14.8" (376mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 4 snowfall days, in May, Yistletaw aggregates 0.39" (10mm) of snow. In Yistletaw, during the entire year, snow falls for 115.2 days and aggregates up to 43.07" (1094mm) of snow.Daylight
The average length of the day in May is 18h and 49min.On the first day of May, sunrise is at 5:52 am and sunset at 11:00 pm. On the last day of the month, sunrise is at 4:10 am and sunset at 12:44 am AKDT.
Sunshine
The month with the most sunshine in Yistletaw is May, with an average of 8.1h of sunshine.UV index
May through July, with an average maximum UV index of 4, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In May, the maximum UV index of 4 transforms into these recommendations:
Undertake protective steps - Preventing sun damage is advised. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Yistletaw, AK
- Average high temperature in May: 53.2°F
The warmest month (with the highest average high temperature) is July (67.3°F).
The month with the lowest average high temperature is January (-0.8°F).
- Average low temperature in May: 35.8°F
The month with the highest average low temperature is July (49.5°F).
The coldest month (with the lowest average low temperature) is January (-10.5°F).
Average pressure in May
Yistletaw, AK
- Average pressure in May: 29.91"Hg
The month with the highest atmospheric pressure is February (29.93"Hg).
The months with the lowest atmospheric pressure are September and October (29.76"Hg).
Average wind speed in May
Yistletaw, AK
- Average wind speed in May: 5mph
The windiest month (with the highest average wind speed) is September (5.2mph).
The calmest month (with the lowest average wind speed) is January (4.6mph).
Average humidity in May
Yistletaw, AK
- Average humidity in May: 70%
The months with the highest relative humidity are January, February and March (96%).
The month with the lowest relative humidity is June (59%).
Average rainfall in May
Yistletaw, AK
- Average rainfall in May: 1.14"
The wettest month (with the highest rainfall) is August (2.05").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in May
Yistletaw, AK
- Average rainfall days in May: 16.7 days
The month with the highest number of rainy days is August (19 days).
The months with the least rainy days are January and February (2.3 days).
Average snowfall in May
Yistletaw, AK
- Average snowfall in May: 0.39"
The month with the highest snowfall is December (8.62").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Yistletaw, AK
- Average snowfall days in May: 4 days
The month with the highest number of snowfall days is March (20.3 days).
The months with the least snowfall days are June and July (0 days).
Average daylight in May /
Average sunshine in May
Yistletaw, AK
- Average daylight in May: 18h and 48min
The month with the longest days is June (Average daylight: 21h and 30min).
The month with the shortest days is December (Average daylight: 4h and 0min).
- 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 18min).
Average sunshine days in May
Yistletaw, AK
- Average sunshine days in May: 10.8 days
The month with the most sunshine days is January (18 days).
The month with the least sunshine days is April (6.5 days).
Average UV index in May
Yistletaw, AK
- Average UV index in May: 4
The months with the highest UV index are May, June and July (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in May
Yistletaw, AK
- Average cloud cover in May: 56
The month with the most cloud cover is April (Cloud cover 77).
The month with the least cloud cover is June (Cloud cover 47).
Average visibility in May
Yistletaw, AK
- Average visibility in May: 5mi
The months with the highest visibility are June and July (6mi).
The months with the lowest visibility are January, February, March, April and December (2mi).





