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 beginning of May signals a rise in the average high-temperature, moving from a cool 53.4°F (11.9°C) in April to a comfortable 65.1°F (18.4°C). A striking departure from daytime highs to an average low-temperature of 39.6°F (4.2°C) is witnessed during May.Humidity
The average relative humidity in May is 65%.Rainfall
In Chewelah, in May, it is raining for 14.8 days, with typically 1.93" (49mm) of accumulated precipitation. Throughout the year, there are 141.6 rainfall days, and 17.56" (446mm) of precipitation is accumulated.Snowfall
In Chewelah, snow does not fall in May through August.Daylight
In Chewelah, the average length of the day in May is 15h and 14min.On the first day of the month, sunrise is at 5:30 am and sunset at 8:05 pm. On the last day of May, sunrise is at 4:54 am and sunset at 8:43 pm PDT.
Sunshine
The average sunshine in May is 10.5h.UV index
In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 4 in May leads to these guidelines:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May in Chewelah?
How many days does it rain in May?
When it does not snow?
Does it snow in Chewelah in May?
How many hours of daylight does Chewelah have in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Chewelah have in May?
How high is the UV index in May?
Average temperature in May
Chewelah, WA
- Average high temperature in May: 65.1°F
The warmest month (with the highest average high temperature) is August (83.1°F).
The month with the lowest average high temperature is December (29.8°F).
- Average low temperature in May: 39.6°F
The month with the highest average low temperature is August (51.8°F).
The coldest month (with the lowest average low temperature) is December (18.7°F).
Average pressure in May
Chewelah, 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 (29.91"Hg).
Average wind speed in May
Chewelah, WA
- Average wind speed in May: 4.4mph
The windiest month (with the highest average wind speed) is April (4.7mph).
The calmest months (with the lowest average wind speed) are January and December (3.5mph).
Average humidity in May
Chewelah, 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 (47%).
Average rainfall in May
Chewelah, WA
- Average rainfall in May: 1.93"
The wettest month (with the highest rainfall) is January (2.2").
The driest month (with the least rainfall) is August (0.35").
Average rainfall days in May
Chewelah, WA
- Average rainfall days in May: 14.8 days
The month with the highest number of rainy days is March (17.1 days).
The month with the least rainy days is August (5.6 days).
Average snowfall in May
Chewelah, WA
- Average snowfall in May: 0"
The month with the highest snowfall is January (10.47").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in May
Chewelah, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (15.4 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Chewelah, WA
- Average daylight in May: 15h and 1min
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 24min).
- Average sunshine in May: 10h and 3min
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 36min).
Average sunshine days in May
Chewelah, WA
- Average sunshine days in May: 14.6 days
The month with the most sunshine days is August (22.9 days).
The month with the least sunshine days is March (9.3 days).
Average UV index in May
Chewelah, 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
Chewelah, WA
- Average cloud cover in May: 33
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in May
Chewelah, WA
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (3mi).
Chewelah, Washington, USA
Weather forecast for your location
2. Allow the app to use your location