May weather forecastSudden Valley, WA
May
Weather in May
The last month of the spring, May, is a refreshing month in Sudden Valley, Washington, with an average temperature ranging between min 44.6°F (7°C) and max 61.5°F (16.4°C).Temperature
May marks a minor ascent in the average high-temperature, adjusting from April's fresh 53.8°F (12.1°C) to a refreshing 61.5°F (16.4°C). The nighttime temperature in Sudden Valley, during May, averages of 44.6°F (7°C).Humidity
In Sudden Valley, Washington, the average relative humidity in May is 77%.Rainfall
In Sudden Valley, in May, during 6.5 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. In Sudden Valley, during the entire year, the rain falls for 104.5 days and collects up to 7.01" (178mm) of precipitation.Snowfall
In Sudden Valley, snow does not fall in May through October.Daylight
In May, the average length of the day is 15h and 17min.On the first day of May, sunrise is at 5:47 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 5:10 am and sunset at 9:03 pm PDT.
Sunshine
The average sunshine in May is 9.3h.UV index
In Sudden Valley, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 4 during May leads to these advisories:
Be vigilant - Preventing sunburn is recommended. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Sudden Valley, WA
- Average high temperature in May: 61.5°F
The warmest month (with the highest average high temperature) is August (71.1°F).
The month with the lowest average high temperature is December (41.7°F).
- Average low temperature in May: 44.6°F
The month with the highest average low temperature is August (52.7°F).
The coldest months (with the lowest average low temperature) are February and December (34.3°F).
Average pressure in May
Sudden Valley, WA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is March (30"Hg).
Average wind speed in May
Sudden Valley, WA
- Average wind speed in May: 4mph
The windiest months (with the highest average wind speed) are November and December (5.8mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in May
Sudden Valley, WA
- Average humidity in May: 77%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (74%).
Average rainfall in May
Sudden Valley, WA
- Average rainfall in May: 0.39"
The wettest month (with the highest rainfall) is January (1.1").
The driest months (with the least rainfall) are July and August (0.2").
Average rainfall days in May
Sudden Valley, WA
- Average rainfall days in May: 6.5 days
The month with the highest number of rainy days is November (13.6 days).
The month with the least rainy days is August (3.1 days).
Average snowfall in May
Sudden Valley, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.63").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Sudden Valley, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.4 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
Sudden Valley, WA
- Average daylight in May: 15h and 18min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in May: 9h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 4h and 12min).
Average sunshine days in May
Sudden Valley, WA
- Average sunshine days in May: 17.8 days
The month with the most sunshine days is August (24.9 days).
The month with the least sunshine days is November (11.3 days).
Average UV index in May
Sudden Valley, WA
- Average UV index in May: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Sudden Valley, WA
- Average cloud cover in May: 40
The months with the most cloud cover are January, February, March and December (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in May
Sudden Valley, WA
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).





