May weather forecastClinton, WA
May
Weather in May
The last month of the spring, May, is an enjoyable month in Clinton, Washington, with an average temperature fluctuating between 62.6°F (17°C) and 45.3°F (7.4°C).Temperature
The shift from April to May is marked by a slight increase in the average high-temperature, moving from a cool 54.9°F (12.7°C) to a refreshing 62.6°F (17°C). Clinton experiences a mean temperature of 45.3°F (7.4°C) during May nights.Humidity
In Clinton, the average relative humidity in May is 76%.Rainfall
In Clinton, in May, it is raining for 12.6 days, with typically 1.61" (41mm) of accumulated precipitation. In Clinton, during the entire year, the rain falls for 173.1 days and collects up to 26.02" (661mm) of precipitation.Snowfall
In Clinton, snow does not fall in May through October.Daylight
In Clinton, the average length of the day in May is 15h and 12min.On the first day of the month, sunrise is at 5:49 am and sunset at 8:23 pm. On the last day of May, sunrise is at 5:14 am and sunset at 9:00 pm PDT.
Sunshine
The average sunshine in May is 9.4h.UV index
The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, the maximum UV index of 4 suggests this advice:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Clinton, WA
- Average high temperature in May: 62.6°F
The warmest month (with the highest average high temperature) is August (72.7°F).
The month with the lowest average high temperature is December (42.6°F).
- Average low temperature in May: 45.3°F
The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (35.4°F).
Average pressure in May
Clinton, WA
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in May
Clinton, WA
- Average wind speed in May: 4.2mph
The windiest month (with the highest average wind speed) is November (6.2mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in May
Clinton, WA
- Average humidity in May: 76%
The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is July (72%).
Average rainfall in May
Clinton, WA
- Average rainfall in May: 1.61"
The wettest month (with the highest rainfall) is December (3.54").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in May
Clinton, WA
- Average rainfall days in May: 12.6 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in May
Clinton, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (4.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Clinton, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (5.2 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
Clinton, WA
- Average daylight in May: 15h and 12min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in May: 9h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in May
Clinton, WA
- Average sunshine days in May: 15.4 days
The month with the most sunshine days is August (22.6 days).
The month with the least sunshine days is November (9.1 days).
Average UV index in May
Clinton, WA
- Average UV index in May: 4
The month with the highest UV index is 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
Clinton, WA
- Average cloud cover in May: 40
The month with the most cloud cover is December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in May
Clinton, WA
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
