May weather forecastDeadhorse, AK
May
Weather in May
The weather in May in Deadhorse, Alaska, transitions consistently into warmer conditions. It is during May that the mercury rises and fluctuates between 21.6°F (-5.8°C) and 30°F (-1.1°C). Suns out for longer durations, and more clear skies add a spark to the city's charm. Rainfall peaks for the first half of the year, while the relative humidity remains stable. Winds tend to be gentler, offering much-needed relief from the typically harsh weather conditions.Temperature
May's arrival is marked by a significant increase in the average high-temperature, moving from an extreme cold 13.5°F (-10.3°C) in April to a freezing cold 30°F (-1.1°C). Nights in May exhibit a minor reduction to an average low temperature of 21.6°F (-5.8°C).Humidity
In Deadhorse, the average relative humidity in May is 92%.Rainfall
In May, the rain falls for 4 days. Throughout May, 0.24" (6mm) of precipitation is accumulated. In Deadhorse, during the entire year, the rain falls for 52.1 days and collects up to 3.62" (92mm) of precipitation.Snowfall
January through June, August through December are months with snowfall. In Deadhorse, in May, snow falls for 9.6 days, with typically accumulated 0.87" (22mm) of snow. In Deadhorse, Alaska, during the entire year, snow falls for 122.8 days and aggregates up to 10.24" (260mm) of snow.Ocean temperature
January through May, November and December, with an average ocean temperature of 28.4°F (-2°C), are months with the coldest seawater.Note: In swimming exercises, this state is seen as life-threatening and poses serious dangers. The painful sensation of the cold water induces immediate hyperventilation. A specialized swimsuit is required to limit thermal damage.
Daylight
In May, the average length of the day is 9h and 22min.Sunshine
In Deadhorse, the average sunshine in May is 2.7h.UV index
In May, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In May, the maximum UV index of 2 suggests this advice:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. During bright days, sunglasses that offer UVA and UVB defense are recommended. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Deadhorse, AK
- Average high temperature in May: 30°F
The warmest month (with the highest average high temperature) is July (51.4°F).
The month with the lowest average high temperature is January (-7.1°F).
- Average low temperature in May: 21.6°F
The month with the highest average low temperature is July (40.6°F).
The coldest month (with the lowest average low temperature) is January (-16.6°F).
Average pressure in May
Deadhorse, AK
- Average pressure in May: 30.06"Hg
The month with the highest atmospheric pressure is March (30.07"Hg).
The month with the lowest atmospheric pressure is September (29.84"Hg).
Average wind speed in May
Deadhorse, AK
- Average wind speed in May: 9.8mph
The windiest month (with the highest average wind speed) is October (11.9mph).
The calmest month (with the lowest average wind speed) is May (9.8mph).
Average humidity in May
Deadhorse, AK
- Average humidity in May: 92%
The months with the highest relative humidity are January, February, March and December (93%).
The month with the lowest relative humidity is July (76%).
Average rainfall in May
Deadhorse, AK
- Average rainfall in May: 0.24"
The wettest month (with the highest rainfall) is August (0.83").
The driest months (with the least rainfall) are January, April and December (0.16").
Average rainfall days in May
Deadhorse, AK
- Average rainfall days in May: 4 days
The month with the highest number of rainy days is August (11.8 days).
The month with the least rainy days is February (0.7 days).
Average snowfall in May
Deadhorse, AK
- Average snowfall in May: 0.87"
The month with the highest snowfall is November (1.81").
The month with the least snowfall is July (0").
Average snowfall days in May
Deadhorse, AK
- Average snowfall days in May: 9.6 days
The month with the highest number of snowfall days is November (17.5 days).
The month with the least snowfall days is July (0.2 days).
Average sea temperature in May
Deadhorse, AK
- Average sea temperature in May: 28°F
The best months for swimming (with the highest average sea temperature) are August and September (36°F).
The coldest months (with the lowest average sea temperature) are January, February, March, April, May, November and December (28°F).
Average daylight in May /
Average sunshine in May
Deadhorse, AK
- Average daylight in May: 9h and 24min
The month with the longest days is August (Average daylight: 18h and 12min).
The months with the shortest days are June and December (Average daylight: 0h and 0min).
- Average sunshine in May: 2h and 42min
The month with the most sunshine is August (Average sunshine: 6h and 36min).
The month with the least sunshine is December (Average sunshine: 0h and 24min).
Average sunshine days in May
Deadhorse, AK
- Average sunshine days in May: 18.7 days
The month with the most sunshine days is June (21 days).
The month with the least sunshine days is September (14 days).
Average UV index in May
Deadhorse, AK
- Average UV index in May: 2
The months with the highest UV index are June and July (UV index 3).
The months with the lowest UV index are February, March, April, August, September, October, November and December (UV index 1).
Average cloud cover in May
Deadhorse, AK
- Average cloud cover in May: 68
The months with the most cloud cover are November and December (Cloud cover 76).
The month with the least cloud cover is June (Cloud cover 45).
Average visibility in May
Deadhorse, AK
- Average visibility in May: 5mi
The months with the highest visibility are June, July, August, September and October (6mi).
The months with the lowest visibility are January, March and December (4mi).





