May weather forecastGilmer, WA
May
Weather in May
May, the last month of the spring in Gilmer, is an enjoyable month, with an average temperature varying between 62.8°F (17.1°C) and 41.4°F (5.2°C).Temperature
May's arrival is marked by an increase in the average high-temperature, moving from a fresh 52.5°F (11.4°C) in April to an enjoyable 62.8°F (17.1°C). Throughout May, Gilmer encounters an average temperature drop to an icy 41.4°F (5.2°C).Humidity
In May, the average relative humidity is 68%.Rainfall
In Gilmer, during May, the rain falls for 12.8 days and regularly aggregates up to 1.38" (35mm) of precipitation. Throughout the year, there are 152.5 rainfall days, and 26.93" (684mm) of precipitation is accumulated.Snowfall
In Gilmer, snow does not fall in May through October.Daylight
The average length of the day in May is 14h and 58min.On the first day of May, sunrise is at 5:51 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 8:48 pm PDT.
Sunshine
In May, the average sunshine is 10.1h.UV index
In Gilmer, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 4 during May leads to these advisories:
Act with care - Obligation to protect against skin and eye damage is highlighted. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Gilmer, WA
- Average high temperature in May: 62.8°F
The warmest month (with the highest average high temperature) is August (78.6°F).
The month with the lowest average high temperature is December (35.2°F).
- Average low temperature in May: 41.4°F
The month with the highest average low temperature is August (52.3°F).
The coldest month (with the lowest average low temperature) is December (26.1°F).
Average pressure in May
Gilmer, WA
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed in May
Gilmer, WA
- Average wind speed in May: 5.9mph
The windiest month (with the highest average wind speed) is June (6.4mph).
The calmest month (with the lowest average wind speed) is October (4.8mph).
Average humidity in May
Gilmer, WA
- Average humidity in May: 68%
The months with the highest relative humidity are January, February and December (88%).
The months with the lowest relative humidity are July and August (58%).
Average rainfall in May
Gilmer, WA
- Average rainfall in May: 1.38"
The wettest month (with the highest rainfall) is January (4.88").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in May
Gilmer, WA
- Average rainfall days in May: 12.8 days
The month with the highest number of rainy days is March (19.4 days).
The month with the least rainy days is August (3.8 days).
Average snowfall in May
Gilmer, WA
- Average snowfall in May: 0"
The month with the highest snowfall is January (6.22").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Gilmer, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (6.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Gilmer, WA
- Average daylight in May: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in May: 10h and 6min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in May
Gilmer, WA
- Average sunshine days in May: 16.5 days
The month with the most sunshine days is July (25.8 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in May
Gilmer, 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 and February (UV index 1).
Average cloud cover in May
Gilmer, WA
- Average cloud cover in May: 37
The months with the most cloud cover are January and February (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in May
Gilmer, WA
- Average visibility in May: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (4mi).





