May weather forecastDouglas, AK
May
Weather in May
May, the last month of the spring in Douglas, is a chilly month, with an average temperature ranging between max 47.5°F (8.6°C) and min 35.2°F (1.8°C).Temperature
The shift into May is marked by a rise in the average high-temperature, moving from April's icy 37°F (2.8°C) to a chilly 47.5°F (8.6°C). May generally records an average low-temperature of 35.2°F (1.8°C).Humidity
The least humid month is May, with an average relative humidity of 86%.Rainfall
May is the month with the least rainfall. Rain falls for 18.5 days and accumulates 4.13" (105mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 3.2 snowfall days, in May, Douglas aggregates 3.31" (84mm) of snow. In Douglas, during the entire year, snow falls for 126.6 days and aggregates up to 290.12" (7369mm) of snow.Daylight
In Douglas, the average length of the day in May is 16h and 49min.On the first day of the month, sunrise is at 5:01 am and sunset at 8:48 pm. On the last day of May, sunrise is at 4:02 am and sunset at 9:48 pm AKDT.
Sunshine
The average sunshine in May is 6.2h.UV index
The months with the highest UV index are May and July, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 3 during May translates into these guidelines:
Undertake precautions - It is suggested to shield oneself from sunburn. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Douglas, AK
- Average high temperature in May: 47.5°F
The warmest month (with the highest average high temperature) is July (55.8°F).
The months with the lowest average high temperature are January and December (25.7°F).
- Average low temperature in May: 35.2°F
The month with the highest average low temperature is July (45.1°F).
The coldest month (with the lowest average low temperature) is February (17.1°F).
Average pressure in May
Douglas, AK
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is July (30.03"Hg).
The month with the lowest atmospheric pressure is November (29.8"Hg).
Average wind speed in May
Douglas, AK
- Average wind speed in May: 4.1mph
The windiest month (with the highest average wind speed) is January (6.9mph).
The calmest months (with the lowest average wind speed) are June and July (3.7mph).
Average humidity in May
Douglas, AK
- Average humidity in May: 86%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (86%).
Average rainfall in May
Douglas, AK
- Average rainfall in May: 4.13"
The wettest month (with the highest rainfall) is October (9.88").
The driest month (with the least rainfall) is May (4.13").
Average rainfall days in May
Douglas, AK
- Average rainfall days in May: 18.5 days
The month with the highest number of rainy days is September (21.9 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in May
Douglas, AK
- Average snowfall in May: 3.31"
The month with the highest snowfall is December (62.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Douglas, AK
- Average snowfall days in May: 3.2 days
The month with the highest number of snowfall days is January (21.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Douglas, AK
- Average daylight in May: 16h and 48min
The month with the longest days is June (Average daylight: 18h and 6min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in May: 6h and 12min
The month with the most sunshine is June (Average sunshine: 6h and 24min).
The month with the least sunshine is November (Average sunshine: 2h and 36min).
Average sunshine days in May
Douglas, AK
- Average sunshine days in May: 10 days
The month with the most sunshine days is May (10 days).
The month with the least sunshine days is November (6.1 days).
Average UV index in May
Douglas, AK
- Average UV index in May: 3
The months with the highest UV index are May and July (UV index 3).
The months with the lowest UV index are January, April, October, November and December (UV index 1).
Average cloud cover in May
Douglas, AK
- Average cloud cover in May: 61
The months with the most cloud cover are January and November (Cloud cover 72).
The month with the least cloud cover is May (Cloud cover 61).
Average visibility in May
Douglas, AK
- Average visibility in May: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
