May weather forecastOlnes, AK
May
Weather in May
The last month of the spring, May, is a mild month in Olnes, Alaska, with an average temperature fluctuating between 39.6°F (4.2°C) and 59.4°F (15.2°C).Temperature
Witnessing a clear rise in May, the average high-temperature escalates from April's wintry 38.1°F (3.4°C) to a moderate 59.4°F (15.2°C). An average low-temperature of 39.6°F (4.2°C) is recorded during the nights in May.Humidity
In May, the average relative humidity is 57%.Rainfall
In Olnes, during May, the rain falls for 10.8 days and regularly aggregates up to 0.55" (14mm) of precipitation. Throughout the year, there are 100.5 rainfall days, and 10.87" (276mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, August through December. May is the last month it regularly snows. During 1.7 snowfall days, in May, Olnes aggregates 0.43" (11mm) of snow. Throughout the year, there are 74.3 snowfall days, and 24.49" (622mm) of snow is accumulated.Daylight
In Olnes, the average length of the day in May is 18h and 56min.On the first day of the month, sunrise is at 5:11 am and sunset at 10:24 pm. On the last day of May, sunrise is at 3:26 am and sunset at 12:10 am AKDT.
Sunshine
In May, the average sunshine is 11.6h.UV index
The average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A daily high UV index of 4 in May leads to these guidelines:
Exercise prevention - Warding off sunburn is urged. Minimize direct exposure to the Sun during midday when its radiation is at its peak. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Olnes, AK
- Average high temperature in May: 59.4°F
The warmest month (with the highest average high temperature) is July (70.7°F).
The month with the lowest average high temperature is January (2.1°F).
- Average low temperature in May: 39.6°F
The month with the highest average low temperature is July (50.5°F).
The coldest month (with the lowest average low temperature) is January (-9°F).
Average pressure in May
Olnes, AK
- Average pressure in May: 29.89"Hg
The month with the highest atmospheric pressure is February (29.97"Hg).
The month with the lowest atmospheric pressure is September (29.77"Hg).
Average wind speed in May
Olnes, AK
- Average wind speed in May: 5mph
The windiest month (with the highest average wind speed) is May (5mph).
The calmest months (with the lowest average wind speed) are October, November and December (4.2mph).
Average humidity in May
Olnes, AK
- Average humidity in May: 57%
The month with the highest relative humidity is March (93%).
The month with the lowest relative humidity is June (56%).
Average rainfall in May
Olnes, AK
- Average rainfall in May: 0.55"
The wettest month (with the highest rainfall) is August (2.44").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days in May
Olnes, AK
- Average rainfall days in May: 10.8 days
The month with the highest number of rainy days is August (16.4 days).
The month with the least rainy days is February (1.8 days).
Average snowfall in May
Olnes, AK
- Average snowfall in May: 0.43"
The month with the highest snowfall is November (6.5").
The months with the least snowfall are June and July (0").
Average snowfall days in May
Olnes, AK
- Average snowfall days in May: 1.7 days
The month with the highest number of snowfall days is November (13.3 days).
The months with the least snowfall days are June and July (0 days).
Average daylight in May /
Average sunshine in May
Olnes, AK
- Average daylight in May: 18h and 54min
The month with the longest days is June (Average daylight: 21h and 48min).
The month with the shortest days is December (Average daylight: 3h and 48min).
- Average sunshine in May: 11h and 36min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).
Average sunshine days in May
Olnes, AK
- Average sunshine days in May: 16.5 days
The month with the most sunshine days is January (21.4 days).
The month with the least sunshine days is April (12.2 days).
Average UV index in May
Olnes, AK
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in May
Olnes, AK
- Average cloud cover in May: 39
The months with the most cloud cover are March, April and November (Cloud cover 53).
The month with the least cloud cover is May (Cloud cover 39).
Average visibility in May
Olnes, AK
- Average visibility in May: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).





