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's onset is marked by a temperature increase, moving from a wintry 33.3°F (0.7°C) in April to a frosty 46.6°F (8.1°C). Throughout May, the temperature falls to an average low of 34.7°F (1.5°C).Humidity
The months with the lowest humidity are May and June, with an average relative humidity of 74%.Rainfall
In Port Alsworth, during May, the rain falls for 19.5 days and regularly aggregates up to 1.77" (45mm) of precipitation. In Port Alsworth, during the entire year, the rain falls for 190.3 days and collects up to 31.5" (800mm) of precipitation.Snowfall
January through May, August through December are months with snowfall. May is the last month it regularly snows. During 2.7 snowfall days, in May, Port Alsworth aggregates 0.87" (22mm) of snow. In Port Alsworth, during the entire year, snow falls for 104.8 days and aggregates up to 70.24" (1784mm) of snow.Daylight
In May, the average length of the day is 17h and 17min.On the first day of May, sunrise is at 6:10 am and sunset at 10:17 pm. On the last day of the month, sunrise is at 5:04 am and sunset at 11:26 pm AKDT.
Sunshine
May has the most sunshine of the year, with an average of 9h of sunshine.UV index
May through July, with an average maximum UV index of 3, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In May, the maximum UV index of 3 suggests these recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. 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
What is the usual temperature for Port Alsworth in May?
What are the least humid months?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When are sunrise and sunset in May?
What month has the most sunshine?
How long on average sun shines in May?
What are the months with the highest UV index?
What is the UV index intensity in May?
Average temperature in May
Port Alsworth, AK
- Average high temperature in May: 46.6°F
The warmest month (with the highest average high temperature) is July (58.3°F).
The month with the lowest average high temperature is January (15.4°F).
- Average low temperature in May: 34.7°F
The month with the highest average low temperature is July (46°F).
The coldest month (with the lowest average low temperature) is January (5.2°F).
Average pressure in May
Port Alsworth, AK
- Average pressure in May: 29.9"Hg
The month with the highest atmospheric pressure is July (29.95"Hg).
The month with the lowest atmospheric pressure is December (29.65"Hg).
Average wind speed in May
Port Alsworth, AK
- Average wind speed in May: 5.6mph
The windiest month (with the highest average wind speed) is December (6.8mph).
The calmest month (with the lowest average wind speed) is June (5mph).
Average humidity in May
Port Alsworth, AK
- Average humidity in May: 74%
The month with the highest relative humidity is March (90%).
The months with the lowest relative humidity are May and June (74%).
Average rainfall in May
Port Alsworth, AK
- Average rainfall in May: 1.77"
The wettest month (with the highest rainfall) is September (4.21").
The driest month (with the least rainfall) is January (1.42").
Average rainfall days in May
Port Alsworth, AK
- Average rainfall days in May: 19.5 days
The month with the highest number of rainy days is August (23.6 days).
The month with the least rainy days is December (8.4 days).
Average snowfall in May
Port Alsworth, AK
- Average snowfall in May: 0.87"
The month with the highest snowfall is December (15.63").
The months with the least snowfall are June and July (0").
Average snowfall days in May
Port Alsworth, AK
- Average snowfall days in May: 2.7 days
The month with the highest number of snowfall days is December (18.5 days).
The months with the least snowfall days are June and July (0 days).
Average daylight in May /
Average sunshine in May
Port Alsworth, AK
- Average daylight in May: 17h and 2min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in May: 9h and 0min
The month with the most sunshine is May (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in May
Port Alsworth, AK
- Average sunshine days in May: 8.8 days
The month with the most sunshine days is January (12.7 days).
The month with the least sunshine days is June (4.8 days).
Average UV index in May
Port Alsworth, AK
- Average UV index in May: 3
The months with the highest UV index are May, June and July (UV index 3).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover in May
Port Alsworth, AK
- Average cloud cover in May: 53
The month with the most cloud cover is August (Cloud cover 63).
The month with the least cloud cover is January (Cloud cover 47).
Average visibility in May
Port Alsworth, AK
- Average visibility in May: 6mi
The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are March and April (4mi).
Port Alsworth, Alaska, USA
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