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 onset of May brings a temperature shift, with the average high-temperature moving from a fresh 54.7°F (12.6°C) in April to an enjoyable 65.8°F (18.8°C). A stark contrast in day to night temperatures can be seen in May, with an average low-temperature of 41.4°F (5.2°C).Humidity
In May, the average relative humidity is 64%.Rainfall
In Chattaroy, in May, it is raining for 12.8 days, with typically 1.69" (43mm) of accumulated precipitation. In Chattaroy, during the entire year, the rain falls for 124.9 days and collects up to 17.44" (443mm) of precipitation.Snowfall
Months with snowfall in Chattaroy are January through May, September through December. May is the last month it regularly snows in Chattaroy. During 0.2 snowfall days, in May, Chattaroy aggregates 0.04" (1mm) of snow. In Chattaroy, during the entire year, snow falls for 69.2 days and aggregates up to 42.99" (1092mm) of snow.Daylight
In May, the average length of the day is 15h and 11min.On the first day of May in Chattaroy, sunrise is at 5:29 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 4:54 am and sunset at 8:39 pm PDT.
Sunshine
In May, the average sunshine is 10.2h.UV index
The average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: An average UV index of 4 in May transforms into this advice:
Make use of precautions - It is urged to ward off sun damage. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
What is the usual temperature for Chattaroy in May?
What is the average humidity in May in Chattaroy?
How much does it rain in Chattaroy in May?
What is the last month it snows in Chattaroy?
How many hours of daylight does Chattaroy have in May?
When is the sunrise / sunset in May in Chattaroy?
How many hours of sunshine does Chattaroy have in May?
What is the UV index reading in May in Chattaroy?
Average temperature in May
Chattaroy, WA
- Average high temperature in May: 65.8°F
The warmest month (with the highest average high temperature) is August (84°F).
The month with the lowest average high temperature is December (31.3°F).
- Average low temperature in May: 41.4°F
The month with the highest average low temperature is August (54.3°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).
Average pressure in May
Chattaroy, 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
Chattaroy, WA
- Average wind speed in May: 5.2mph
The windiest month (with the highest average wind speed) is April (5.6mph).
The calmest month (with the lowest average wind speed) is December (4mph).
Average humidity in May
Chattaroy, WA
- Average humidity in May: 64%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (43%).
Average rainfall in May
Chattaroy, WA
- Average rainfall in May: 1.69"
The wettest month (with the highest rainfall) is January (2.4").
The driest month (with the least rainfall) is August (0.31").
Average rainfall days in May
Chattaroy, WA
- Average rainfall days in May: 12.8 days
The month with the highest number of rainy days is March (16.2 days).
The month with the least rainy days is August (5.1 days).
Average snowfall in May
Chattaroy, WA
- Average snowfall in May: 0.04"
The month with the highest snowfall is January (13.23").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Chattaroy, WA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is December (16.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Chattaroy, 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 30min).
- Average sunshine in May: 10h and 1min
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 24min).
Average sunshine days in May
Chattaroy, WA
- Average sunshine days in May: 16.4 days
The month with the most sunshine days is July (24.2 days).
The month with the least sunshine days is March (9.7 days).
Average UV index in May
Chattaroy, 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 February, November and December (UV index 1).
Average cloud cover in May
Chattaroy, WA
- Average cloud cover in May: 34
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in May
Chattaroy, WA
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).
Chattaroy, Washington, USA
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