May weather forecastWellpinit, WA
May
Weather in May
The last month of the spring, May, is a refreshing month in Wellpinit, Washington, with temperature in the range of an average high of 66.2°F (19°C) and an average low of 44.6°F (7°C).Temperature
May brings a rise in Wellpinit's average high-temperature, moving from a moderate 55.8°F (13.2°C) in April to an enjoyable 66.2°F (19°C). Nighttime temperatures throughout May register a significant deviation from the day's highs, averaging at a frosty 44.6°F (7°C).Humidity
The average relative humidity in May is 58%.Rainfall
In Wellpinit, during May, the rain falls for 13.9 days and regularly aggregates up to 1.73" (44mm) of precipitation. Throughout the year, there are 127.9 rainfall days, and 15.71" (399mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Wellpinit. May is the last month it regularly snows. During 0.3 snowfall days, in May, Wellpinit aggregates 0.08" (2mm) of snow. In Wellpinit, during the entire year, snow falls for 65.1 days and aggregates up to 37.36" (949mm) of snow.Daylight
In Wellpinit, Washington, the average length of the day in May is 15h and 11min.On the first day of May in Wellpinit, sunrise is at 5:32 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 4:57 am and sunset at 8:42 pm PDT.
Sunshine
In Wellpinit, the average sunshine in May is 10.5h.UV index
In May, the average daily maximum UV index in Wellpinit, Washington, is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In May, a daily maximum UV index of 4 leads to the following instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Wellpinit, WA
- Average high temperature in May: 66.2°F
The warmest months (with the highest average high temperature) are July and August (83.3°F).
The month with the lowest average high temperature is December (31.5°F).
- Average low temperature in May: 44.6°F
The month with the highest average low temperature is August (60.3°F).
The coldest month (with the lowest average low temperature) is December (21.9°F).
Average pressure in May
Wellpinit, WA
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).
Average wind speed in May
Wellpinit, WA
- Average wind speed in May: 7.3mph
The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in May
Wellpinit, WA
- Average humidity in May: 58%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (37%).
Average rainfall in May
Wellpinit, WA
- Average rainfall in May: 1.73"
The wettest month (with the highest rainfall) is March (1.97").
The driest months (with the least rainfall) are July and August (0.31").
Average rainfall days in May
Wellpinit, WA
- Average rainfall days in May: 13.9 days
The month with the highest number of rainy days is March (16.3 days).
The month with the least rainy days is August (5.2 days).
Average snowfall in May
Wellpinit, WA
- Average snowfall in May: 0.08"
The month with the highest snowfall is January (10").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Wellpinit, WA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is December (15.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Wellpinit, 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: 10h and 30min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in May
Wellpinit, WA
- Average sunshine days in May: 14.8 days
The month with the most sunshine days is July (23.7 days).
The month with the least sunshine days is March (10.2 days).
Average UV index in May
Wellpinit, WA
- Average UV index in May: 4
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in May
Wellpinit, WA
- Average cloud cover in May: 32
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 12).
Average visibility in May
Wellpinit, WA
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
