May weather forecastCopperville, AK
May
Weather in May
The last month of the spring, May, is a fresh month in Copperville, Alaska, with an average temperature fluctuating between 53.2°F (11.8°C) and 36.9°F (2.7°C).Temperature
The changeover to May signals a significant increase in the average high-temperature, rising from a cold 35.4°F (1.9°C) in April to a fresh 53.2°F (11.8°C). The average low-temperature, in May, in Copperville, is an icy 36.9°F (2.7°C).Humidity
The average relative humidity in May is 60%.Rainfall
In Copperville, in May, during 6.4 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. In Copperville, during the entire year, the rain falls for 81.1 days and collects up to 5.71" (145mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 0.9 snowfall days, in May, Copperville aggregates 0.59" (15mm) of snow. In Copperville, during the entire year, snow falls for 54.8 days and aggregates up to 17.13" (435mm) of snow.Daylight
The average length of the day in May is 17h and 48min.On the first day of May, sunrise is at 5:24 am and sunset at 9:53 pm. On the last day of the month, sunrise is at 4:07 am and sunset at 11:11 pm AKDT.
Sunshine
In May, the average sunshine is 12.1h.UV index
The average daily maximum UV index in May is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, the UV index of 3 transforms into the following advice:
Guard yourself - Precautionary measures against sun damage are advocated. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Copperville, AK
- Average high temperature in May: 53.2°F
The warmest month (with the highest average high temperature) is July (67.5°F).
The month with the lowest average high temperature is January (9.1°F).
- Average low temperature in May: 36.9°F
The month with the highest average low temperature is July (47.5°F).
The coldest month (with the lowest average low temperature) is January (-1.8°F).
Average pressure in May
Copperville, AK
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is July (29.95"Hg).
The months with the lowest atmospheric pressure are September, October, November and December (29.78"Hg).
Average wind speed in May
Copperville, AK
- Average wind speed in May: 5.9mph
The windiest month (with the highest average wind speed) is June (6.2mph).
The calmest months (with the lowest average wind speed) are January and December (4.5mph).
Average humidity in May
Copperville, AK
- Average humidity in May: 60%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is June (57%).
Average rainfall in May
Copperville, AK
- Average rainfall in May: 0.39"
The wettest month (with the highest rainfall) is August (0.91").
The driest month (with the least rainfall) is April (0.2").
Average rainfall days in May
Copperville, AK
- Average rainfall days in May: 6.4 days
The month with the highest number of rainy days is August (11.3 days).
The months with the least rainy days are February and November (3.7 days).
Average snowfall in May
Copperville, AK
- Average snowfall in May: 0.59"
The month with the highest snowfall is December (4.57").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Copperville, AK
- Average snowfall days in May: 0.9 days
The month with the highest number of snowfall days is December (11.2 days).
The months with the least snowfall days are June and July (0 days).
Average daylight in May /
Average sunshine in May
Copperville, AK
- Average daylight in May: 17h and 48min
The month with the longest days is June (Average daylight: 19h and 36min).
The month with the shortest days is December (Average daylight: 5h and 18min).
- Average sunshine in May: 12h and 6min
The month with the most sunshine is June (Average sunshine: 14h and 12min).
The months with the least sunshine are January and December (Average sunshine: 3h and 54min).
Average sunshine days in May
Copperville, AK
- Average sunshine days in May: 23.2 days
The month with the most sunshine days is March (24.2 days).
The month with the least sunshine days is August (17.3 days).
Average UV index in May
Copperville, AK
- Average UV index in May: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, September, October, November and December (UV index 2).
Average cloud cover in May
Copperville, AK
- Average cloud cover in May: 35
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in May
Copperville, 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 and March (4mi).
