Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May is marked by a distinct increase in the average high-temperature, climbing from a freezing cold 31.1°F (-0.5°C) in April to a cool 53.2°F (11.8°C). An average low-temperature of 35.8°F (2.1°C) is observed during May nights.Humidity
In Koyukuk, the average relative humidity in May is 70%.Rainfall
In Koyukuk, Alaska, in May, during 16.7 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. In Koyukuk, during the entire year, the rain falls for 116.7 days and collects up to 14.8" (376mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 4 snowfall days, in May, Koyukuk aggregates 0.39" (10mm) of snow. Throughout the year, there are 115.2 snowfall days, and 43.07" (1094mm) of snow is accumulated.Daylight
In Koyukuk, 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 in Koyukuk, 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 radiation for ordinary individuals.Note: In May, a daily UV index of 4 turns into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the average May temperature in Koyukuk?
What is the average humidity in May in Koyukuk?
How many days does it rain in May in Koyukuk?
What is the last month it snows in Koyukuk?
How many hours of daylight does Koyukuk have in May?
What time are sunrise and sunset in May in Koyukuk?
What month has the most sunshine in Koyukuk?
How many hours of sunshine does Koyukuk have in May?
When is the highest UV index in Koyukuk?
How high is the UV index in May in Koyukuk?
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 5min
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 1min
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).
Koyukuk, Alaska, USA
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