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
The shift from April to May sees an increase in the average high-temperature, transitioning from a freezing cold 23.2°F (-4.9°C) to a wintry 33.4°F (0.8°C). Port Clarence maintains an average low-temperature of 28°F (-2.2°C) throughout May's nights.Humidity
The average relative humidity in May is 89%.Rainfall
In Port Clarence, during May, the rain falls for 8.1 days and regularly aggregates up to 0.71" (18mm) of precipitation. Throughout the year, in Port Clarence, there are 86.5 rainfall days, and 14.25" (362mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. In Port Clarence, Alaska, in May, during 7.7 snowfall days, 1.26" (32mm) of snow is typically accumulated. Throughout the year, there are 90 snowfall days, and 20.51" (521mm) of snow is accumulated.Daylight
In May, the average length of the day in Port Clarence, Alaska, is 19h and 2min.On the first day of May, sunrise is at 6:26 am and sunset at 11:42 pm. On the last day of the month, sunrise is at 4:38 am and sunset at 1:32 am AKDT.
Sunshine
In May, the average sunshine is 3.9h.UV index
In May, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 2 in May translates into the following instructions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Stay sun-safe with clothing that is both closely woven and worn loosely. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in May?
What is the average humidity in May?
How many days does it rain in May?
How many days does it snow in May?
What is the average length of the day in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index intensity in May?
Average temperature in May
Port Clarence, AK
- Average high temperature in May: 33.4°F
The warmest month (with the highest average high temperature) is August (50°F).
The month with the lowest average high temperature is January (9°F).
- Average low temperature in May: 28°F
The month with the highest average low temperature is August (45.3°F).
The coldest months (with the lowest average low temperature) are February and March (1.8°F).
Average pressure in May
Port Clarence, AK
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is May (29.96"Hg).
The month with the lowest atmospheric pressure is October (29.72"Hg).
Average wind speed in May
Port Clarence, AK
- Average wind speed in May: 12mph
The windiest month (with the highest average wind speed) is December (17.5mph).
The calmest month (with the lowest average wind speed) is May (12mph).
Average humidity in May
Port Clarence, AK
- Average humidity in May: 89%
The month with the highest relative humidity is March (93%).
The months with the lowest relative humidity are October and November (79%).
Average rainfall in May
Port Clarence, AK
- Average rainfall in May: 0.71"
The wettest month (with the highest rainfall) is August (2.01").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in May
Port Clarence, AK
- Average rainfall days in May: 8.1 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is January (1.3 days).
Average snowfall in May
Port Clarence, AK
- Average snowfall in May: 1.26"
The month with the highest snowfall is February (3.62").
The months with the least snowfall are July and August (0").
Average snowfall days in May
Port Clarence, AK
- Average snowfall days in May: 7.7 days
The month with the highest number of snowfall days is April (13 days).
The month with the least snowfall days is July (0 days).
Average daylight in May /
Average sunshine in May
Port Clarence, AK
- Average daylight in May: 19h and 0min
The month with the longest days is June (Average daylight: 22h and 0min).
The month with the shortest days is December (Average daylight: 3h and 42min).
- Average sunshine in May: 3h and 5min
The month with the most sunshine is August (Average sunshine: 5h and 42min).
The month with the least sunshine is June (Average sunshine: 0h and 36min).
Average sunshine days in May
Port Clarence, AK
- Average sunshine days in May: 15.9 days
The month with the most sunshine days is June (18.4 days).
The month with the least sunshine days is October (11.1 days).
Average UV index in May
Port Clarence, AK
- Average UV index in May: 2
The month with the highest UV index is July (UV index 3).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).
Average cloud cover in May
Port Clarence, AK
- Average cloud cover in May: 64
The month with the most cloud cover is February (Cloud cover 78).
The month with the least cloud cover is June (Cloud cover 52).
Average visibility in May
Port Clarence, 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 (5mi).
Port Clarence, Alaska, USA
Weather forecast for your location
2. Allow the app to use your location