May weather forecastKoyukuk, AK
May
Weather in May
May, the last month of the spring in Koyukuk, is a fresh month, with temperature in the range of an average low of 35.8°F (2.1°C) and an average high of 53.2°F (11.8°C).Temperature
May's arrival is marked by a notable elevation in high-temperatures, rising from a subzero cold 31.1°F (-0.5°C) in April to a fresh 53.2°F (11.8°C). Koyukuk, in May, experiences an average temperature of 35.8°F (2.1°C) at night.Humidity
The average relative humidity in May is 70%.Rainfall
In May, the rain falls for 16.7 days. Throughout May, 1.14" (29mm) of precipitation is accumulated. In Koyukuk, during the entire year, the rain falls for 116.7 days and collects up to 14.8" (376mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. May is the last month it regularly snows in Koyukuk. During 4 snowfall days, in May, Koyukuk aggregates 0.39" (10mm) of snow. In Koyukuk, 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 51min.On the first day of the month, sunrise is at 5:52 am and sunset at 11:02 pm. On the last day of May, in Koyukuk, sunrise is at 4:10 am and sunset at 12:46 am AKDT.
Sunshine
May has the most sunshine of the year, with an average of 8.1h of sunshine.UV index
The months with the highest UV index are May through July, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: An average UV index of 4 in May transforms into this advice:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Koyukuk, 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
Koyukuk, 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
Koyukuk, 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
Koyukuk, 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
Koyukuk, 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
Koyukuk, 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
Koyukuk, 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
Koyukuk, 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
Koyukuk, AK
- Average daylight in May: 18h and 54min
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
Koyukuk, 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
Koyukuk, 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
Koyukuk, 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
Koyukuk, 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).
