May weather forecastEdwall, WA
May
Weather in May
The last month of the spring, May, is a refreshing month in Edwall, Washington, with an average temperature ranging between min 44.6°F (7°C) and max 66.2°F (19°C).Temperature
An upsurge in temperatures occurs as April gives way to May, with average highs shifting from a moderate 55.8°F (13.2°C) to a comfortable 66.2°F (19°C). Edwall records a pronounced decline from the day's peak to an average nighttime low-temperature of 44.6°F (7°C) throughout May.Humidity
The average relative humidity in May is 58%.Rainfall
In Edwall, in May, during 13.9 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. In Edwall, during the entire year, the rain falls for 127.9 days and collects up to 15.71" (399mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Edwall aggregates 0.08" (2mm) of snow. Throughout the year, there are 65.1 snowfall days, and 37.36" (949mm) of snow is accumulated.Daylight
In May, the average length of the day is 15h and 9min.On the first day of May, sunrise is at 5:33 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 4:58 am and sunset at 8:40 pm PDT.
Sunshine
In May, the average sunshine is 10.5h.UV index
The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A maximum UV index of 4 in May translates into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. The solar radiation around mid-day is intense; avoid the Sun and stay safe. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Edwall, 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
Edwall, 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
Edwall, 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
Edwall, 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
Edwall, 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
Edwall, 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
Edwall, 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
Edwall, 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
Edwall, WA
- Average daylight in May: 15h and 6min
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 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
Edwall, 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
Edwall, 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
Edwall, 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
Edwall, 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).





