May weather forecastWales, AK
May
Weather in May
The last month of the spring, May, is a wintry month in Wales, Alaska, with an average temperature ranging between min 28°F (-2.2°C) and max 33.4°F (0.8°C).Temperature
An upsurge in temperatures occurs as April gives way to May, with average highs shifting from a subzero cold 23.2°F (-4.9°C) to an icy 33.4°F (0.8°C). Wales's nights throughout May are marked by an average low temperature of 28°F (-2.2°C), a minor drop from the day's high.Humidity
In May, the average relative humidity is 89%.Rainfall
In Wales, during May, the rain falls for 8.1 days and regularly aggregates up to 0.71" (18mm) of precipitation. In Wales, during the entire year, the rain falls for 86.5 days and collects up to 14.25" (362mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. In May, it is snowing for 7.7 days. Throughout May, 1.26" (32mm) of snow is accumulated. Throughout the year, there are 90 snowfall days, and 20.51" (521mm) of snow is accumulated.Daylight
In Wales, the average length of the day in May is 19h and 13min.On the first day of May, sunrise is at 6:28 am and sunset at 11:50 pm. On the last day of the month, sunrise is at 4:34 am and sunset at 1:46 am AKDT.
Sunshine
In Wales, the average sunshine in May is 3.9h.UV index
The average daily maximum UV index in May is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 2 during May leads to these instructions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. 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
Wales, AK
- Average high temperature in May: 33.4°F
The warmest month (with the highest average high temperature) is August (50°F).
The month with the lowest average high temperature is January (9°F).
- Average low temperature in May: 28°F
The month with the highest average low temperature is August (45.3°F).
The coldest months (with the lowest average low temperature) are February and March (1.8°F).
Average pressure in May
Wales, AK
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is May (29.96"Hg).
The month with the lowest atmospheric pressure is October (29.72"Hg).
Average wind speed in May
Wales, AK
- Average wind speed in May: 12mph
The windiest month (with the highest average wind speed) is December (17.5mph).
The calmest month (with the lowest average wind speed) is May (12mph).
Average humidity in May
Wales, AK
- Average humidity in May: 89%
The month with the highest relative humidity is March (93%).
The months with the lowest relative humidity are October and November (79%).
Average rainfall in May
Wales, AK
- Average rainfall in May: 0.71"
The wettest month (with the highest rainfall) is August (2.01").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in May
Wales, AK
- Average rainfall days in May: 8.1 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is January (1.3 days).
Average snowfall in May
Wales, AK
- Average snowfall in May: 1.26"
The month with the highest snowfall is February (3.62").
The months with the least snowfall are July and August (0").
Average snowfall days in May
Wales, AK
- Average snowfall days in May: 7.7 days
The month with the highest number of snowfall days is April (13 days).
The month with the least snowfall days is July (0 days).
Average daylight in May /
Average sunshine in May
Wales, AK
- Average daylight in May: 19h and 12min
The month with the longest days is June (Average daylight: 22h and 36min).
The month with the shortest days is December (Average daylight: 3h and 30min).
- Average sunshine in May: 3h and 54min
The month with the most sunshine is August (Average sunshine: 5h and 42min).
The month with the least sunshine is June (Average sunshine: 0h and 36min).
Average sunshine days in May
Wales, AK
- Average sunshine days in May: 15.9 days
The month with the most sunshine days is June (18.4 days).
The month with the least sunshine days is October (11.1 days).
Average UV index in May
Wales, AK
- Average UV index in May: 2
The month with the highest UV index is July (UV index 3).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).
Average cloud cover in May
Wales, AK
- Average cloud cover in May: 64
The month with the most cloud cover is February (Cloud cover 78).
The month with the least cloud cover is June (Cloud cover 52).
Average visibility in May
Wales, AK
- Average visibility in May: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, November and December (5mi).





