May weather forecastWymer, WA
May
Weather in May
May, the last month of the spring in Wymer, is a refreshing month, with temperature in the range of an average high of 67.8°F (19.9°C) and an average low of 46.2°F (7.9°C).Temperature
May's arrival brings a temperature shift, moving from a refreshing 57.4°F (14.1°C) in April to an enjoyable 67.8°F (19.9°C). Wymer experiences a steady low-temperature of 46.2°F (7.9°C) throughout May.Humidity
The average relative humidity in May in Wymer is 53%.Rainfall
In Wymer, in May, it is raining for 7.5 days, with typically 0.67" (17mm) of accumulated precipitation. Throughout the year, there are 87.6 rainfall days, and 5.94" (151mm) of precipitation is accumulated.Snowfall
May through August and October are months without snowfall.Daylight
In May, the average length of the day is 15h and 4min.On the first day of the month, sunrise is at 5:45 am and sunset at 8:12 pm. On the last day of May, sunrise is at 5:11 am and sunset at 8:48 pm PDT.
Sunshine
In Wymer, Washington, the average sunshine in May is 11.4h.UV index
In Wymer, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Wymer, WA
- Average high temperature in May: 67.8°F
The warmest month (with the highest average high temperature) is August (85.1°F).
The month with the lowest average high temperature is December (36°F).
- Average low temperature in May: 46.2°F
The month with the highest average low temperature is August (58.8°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).
Average pressure in May
Wymer, WA
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed in May
Wymer, WA
- Average wind speed in May: 6.9mph
The windiest month (with the highest average wind speed) is June (7.4mph).
The calmest month (with the lowest average wind speed) is December (4.2mph).
Average humidity in May
Wymer, WA
- Average humidity in May: 53%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are July and August (41%).
Average rainfall in May
Wymer, WA
- Average rainfall in May: 0.67"
The wettest month (with the highest rainfall) is December (0.87").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in May
Wymer, WA
- Average rainfall days in May: 7.5 days
The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is July (2.3 days).
Average snowfall in May
Wymer, WA
- Average snowfall in May: 0"
The month with the highest snowfall is December (3.07").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in May
Wymer, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (5.7 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in May /
Average sunshine in May
Wymer, WA
- Average daylight in May: 15h and 6min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in May: 11h and 24min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in May
Wymer, WA
- Average sunshine days in May: 20.3 days
The month with the most sunshine days is July (27.6 days).
The month with the least sunshine days is February (15.5 days).
Average UV index in May
Wymer, WA
- Average UV index in May: 5
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 2).
Average cloud cover in May
Wymer, WA
- Average cloud cover in May: 22
The month with the most cloud cover is January (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in May
Wymer, 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).





