May weather forecastEvans, WA
May
Weather in May
The last month of the spring, May, is a refreshing month in Evans, Washington, with an average temperature varying between 64°F (17.8°C) and 38.1°F (3.4°C).Temperature
The shift from April to May sees an increase in the average high-temperature, transitioning from a cool 51.6°F (10.9°C) to a refreshing 64°F (17.8°C). Throughout May, Evans notes a dramatic plunge from the daily high to an average low-temperature of 38.1°F (3.4°C).Humidity
In Evans, the average relative humidity in May is 65%.Rainfall
May is the month with the most rainfall in Evans. Rain falls for 16.4 days and accumulates 1.93" (49mm) of precipitation.Snowfall
In Evans, snow does not fall in May through August.Daylight
In Evans, the average length of the day in May is 15h and 17min.On the first day of May in Evans, sunrise is at 5:30 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 4:53 am and sunset at 8:46 pm PDT.
Sunshine
In Evans, Washington, the average sunshine in May is 10.7h.UV index
In Evans, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index, 4 in May, converts into the following recommendations:
Take precautions - Protection against sunburn is recommended. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Evans, WA
- Average high temperature in May: 64°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (28.9°F).
- Average low temperature in May: 38.1°F
The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is February (16°F).
Average pressure in May
Evans, WA
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).
Average wind speed in May
Evans, WA
- Average wind speed in May: 3.7mph
The windiest month (with the highest average wind speed) is April (3.9mph).
The calmest months (with the lowest average wind speed) are January, February and December (3mph).
Average humidity in May
Evans, WA
- Average humidity in May: 65%
The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (50%).
Average rainfall in May
Evans, WA
- Average rainfall in May: 1.93"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is August (0.39").
Average rainfall days in May
Evans, WA
- Average rainfall days in May: 16.4 days
The month with the highest number of rainy days is March (18.4 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in May
Evans, WA
- Average snowfall in May: 0"
The month with the highest snowfall is January (6.61").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in May
Evans, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (13.7 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Evans, WA
- Average daylight in May: 15h and 18min
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 24min).
- Average sunshine in May: 10h and 42min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in May
Evans, WA
- Average sunshine days in May: 11.8 days
The month with the most sunshine days is August (20.8 days).
The month with the least sunshine days is March (9 days).
Average UV index in May
Evans, WA
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in May
Evans, WA
- Average cloud cover in May: 33
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in May
Evans, WA
- Average visibility in May: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).





