May weather forecastWilbur, WA
May
Weather in May
May, the last month of the spring in Wilbur, is a refreshing month, with an average temperature ranging between min 46°F (7.8°C) and max 67.6°F (19.8°C).Temperature
With the beginning of May, Wilbur's average high-temperature sees an increase, transitioning from a refreshing 57°F (13.9°C) in April to a comfortable 67.6°F (19.8°C). A marked drop from daytime peak temperatures to an average low-temperature of 46°F (7.8°C) is observed during the nights in May in Wilbur, Washington.Humidity
In Wilbur, the average relative humidity in May is 52%.Rainfall
The wettest months are May and December, with an average 1.18" (30mm) of rainfall.Snowfall
May through August are months without snowfall in Wilbur.Daylight
The average length of the day in May is 15h and 11min.On the first day of the month, sunrise is at 5:35 am and sunset at 8:08 pm. On the last day of May, sunrise is at 5:00 am and sunset at 8:44 pm PDT.
Sunshine
In May, the average sunshine is 10.9h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 5 during May leads to these instructions:
Undertake precautions - Guarding against sun damage is counselled. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Wilbur, WA
- Average high temperature in May: 67.6°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is December (31.6°F).
- Average low temperature in May: 46°F
The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (21.4°F).
Average pressure in May
Wilbur, WA
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in May
Wilbur, WA
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is January (4.9mph).
Average humidity in May
Wilbur, WA
- Average humidity in May: 52%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (36%).
Average rainfall in May
Wilbur, WA
- Average rainfall in May: 1.18"
The wettest months (with the highest rainfall) are May and December (1.18").
The driest months (with the least rainfall) are July and August (0.2").
Average rainfall days in May
Wilbur, WA
- Average rainfall days in May: 10.8 days
The month with the highest number of rainy days is March (12.1 days).
The month with the least rainy days is August (3.2 days).
Average snowfall in May
Wilbur, WA
- Average snowfall in May: 0"
The month with the highest snowfall is January (4.41").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in May
Wilbur, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (10.5 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Wilbur, WA
- Average daylight in May: 15h and 12min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in May: 10h and 54min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in May
Wilbur, WA
- Average sunshine days in May: 18 days
The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is March (14.7 days).
Average UV index in May
Wilbur, WA
- Average UV index in May: 5
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in May
Wilbur, WA
- Average cloud cover in May: 28
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in May
Wilbur, 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 months with the lowest visibility are January and December (4mi).





