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 witnesses a subtle temperature ascent, adjusting from a cool 54.1°F (12.3°C) in April to an enjoyable 61.7°F (16.5°C). In Custer, May nights witness a steady temperature drop to a chilly 46.6°F (8.1°C).Humidity
The average relative humidity in May in Custer, Washington, is 76%.Rainfall
In Custer, in May, during 12.3 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. Throughout the year, there are 176.1 rainfall days, and 43.78" (1112mm) of precipitation is accumulated.Snowfall
In Custer, snow does not fall in May through October.Daylight
The average length of the day in May is 15h and 19min.On the first day of the month, sunrise is at 5:48 am and sunset at 8:26 pm. On the last day of May, sunrise is at 5:11 am and sunset at 9:05 pm PDT.
Sunshine
In Custer, Washington, the average sunshine in May is 9.3h.UV index
The average daily maximum UV index in May in Custer, Washington, is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In May, a daily UV index of 4 turns into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Frequently asked questions
What are the temperatures in Custer in May?
What is the average humidity in May in Custer?
How much does it rain in Custer in May?
When it does not snow in Custer?
Does it snow in Custer in May?
What is the average length of the day in May in Custer?
When is the sunrise / sunset in May in Custer?
How long on average sun shines in May in Custer?
What is the UV index intensity in May in Custer?
Average temperature in May
Custer, WA
- Average high temperature in May: 61.7°F
The warmest month (with the highest average high temperature) is August (70°F).
The month with the lowest average high temperature is December (41.9°F).
- Average low temperature in May: 46.6°F
The month with the highest average low temperature is August (54.9°F).
The coldest month (with the lowest average low temperature) is February (35.8°F).
Average pressure in May
Custer, WA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is March (30"Hg).
Average wind speed in May
Custer, WA
- Average wind speed in May: 4.5mph
The windiest months (with the highest average wind speed) are November and December (6.3mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in May
Custer, WA
- Average humidity in May: 76%
The months with the highest relative humidity are January and November (83%).
The month with the lowest relative humidity is July (74%).
Average rainfall in May
Custer, WA
- Average rainfall in May: 2.05"
The wettest month (with the highest rainfall) is November (7.13").
The driest month (with the least rainfall) is July (0.67").
Average rainfall days in May
Custer, WA
- Average rainfall days in May: 12.3 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in May
Custer, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Custer, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Custer, WA
- Average daylight in May: 15h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in May: 9h and 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 3h and 54min).
Average sunshine days in May
Custer, WA
- Average sunshine days in May: 16.4 days
The month with the most sunshine days is August (23.2 days).
The month with the least sunshine days is November (8.8 days).
Average UV index in May
Custer, WA
- 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, November and December (UV index 2).
Average cloud cover in May
Custer, WA
- Average cloud cover in May: 40
The months with the most cloud cover are January and December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in May
Custer, WA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Custer, Washington, USA
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