May weather forecastAdak, AK
May
Weather in May
May brings about distinctly milder weather to Adak, Alaska. With a significant rise in both high and low temperatures, Alaska embraces spring in its full swing. It's the rainiest period of the year; rain clouds often cover the city with the highest humidity levels of 88%. It's time for more outdoor walks, with longer days and increased warmth. Even lighter jackets can be left at home as the daytime temperature becomes more comfortable.Temperature
A minimal variation is noted in Adak's average high-temperature at the onset of May, reaching a still icy 41.7°F (5.4°C) from April's 38.7°F (3.7°C). In May, a low-temperature average of 38.8°F (3.8°C) is characteristic of Adak, marking a minor shift from daytime temperatures.Humidity
In Adak, the average relative humidity in May is 88%.Rainfall
In Adak, in May, it is raining for 16.8 days, with typically 1.85" (47mm) of accumulated precipitation. In Adak, during the entire year, the rain falls for 173.3 days and collects up to 27.4" (696mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 1.9 snowfall days, in May, Adak aggregates 0.43" (11mm) of snow. In Adak, during the entire year, snow falls for 53.7 days and aggregates up to 16.3" (414mm) of snow.Daylight
The average length of the day in May is 15h and 43min.On the first day of the month, sunrise is at 7:14 am and sunset at 10:12 pm. On the last day of May, sunrise is at 6:32 am and sunset at 10:56 pm HDT.
Sunshine
In May, the average sunshine is 3.9h.UV index
The average daily maximum UV index in May is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 2 during May translates into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Adak, AK
- Average high temperature in May: 41.7°F
The warmest month (with the highest average high temperature) is August (52°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in May: 38.8°F
The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is March (33.8°F).
Average pressure in May
Adak, AK
- Average pressure in May: 29.83"Hg
The month with the highest atmospheric pressure is July (29.95"Hg).
The month with the lowest atmospheric pressure is January (29.48"Hg).
Average wind speed in May
Adak, AK
- Average wind speed in May: 14.7mph
The windiest month (with the highest average wind speed) is February (21.2mph).
The calmest month (with the lowest average wind speed) is July (11.1mph).
Average humidity in May
Adak, AK
- Average humidity in May: 88%
The month with the highest relative humidity is July (94%).
The months with the lowest relative humidity are January and December (76%).
Average rainfall in May
Adak, AK
- Average rainfall in May: 1.85"
The wettest month (with the highest rainfall) is February (2.8").
The driest month (with the least rainfall) is June (1.3").
Average rainfall days in May
Adak, AK
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is October (19.5 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in May
Adak, AK
- Average snowfall in May: 0.43"
The month with the highest snowfall is January (4.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Adak, AK
- Average snowfall days in May: 1.9 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Adak, AK
- Average daylight in May: 15h and 42min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in May: 3h and 54min
The month with the most sunshine is October (Average sunshine: 5h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 6min).
Average sunshine days in May
Adak, AK
- Average sunshine days in May: 9.3 days
The month with the most sunshine days is June (12.8 days).
The month with the least sunshine days is February (6.3 days).
Average UV index in May
Adak, AK
- Average UV index in May: 2
The months with the highest UV index are July, August and September (UV index 3).
The months with the lowest UV index are January, February, March, April and December (UV index 1).
Average cloud cover in May
Adak, AK
- Average cloud cover in May: 80
The month with the most cloud cover is July (Cloud cover 85).
The month with the least cloud cover is October (Cloud cover 63).
Average visibility in May
Adak, AK
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, September, October and November (6mi).
The months with the lowest visibility are January, February, March, July, August and December (5mi).
