May weather forecastStehekin, WA
May
Weather in May
May, the last month of the spring in Stehekin, is a fresh month, with an average temperature varying between 33.4°F (0.8°C) and 53.2°F (11.8°C).Temperature
May's arrival sees a rise in the average high-temperature, jumping from April's wintry 40.6°F (4.8°C) to a cool 53.2°F (11.8°C). Stehekin's average low-temperature is measured at a wintry 33.4°F (0.8°C) during May.Humidity
The average relative humidity in May is 76%.Rainfall
In Stehekin, in May, it is raining for 9.8 days, with typically 1.3" (33mm) of accumulated precipitation. Throughout the year, there are 65.5 rainfall days, and 10.67" (271mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through July, September through December. In Stehekin, during May, snow falls for 6.2 days and regularly aggregates up to 3.86" (98mm) of snow. Throughout the year, there are 97 snowfall days, and 51.61" (1311mm) of snow is accumulated.Daylight
In Stehekin, the average length of the day in May is 15h and 14min.On the first day of May, sunrise is at 5:41 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 5:05 am and sunset at 8:54 pm PDT.
Sunshine
In May, the average sunshine is 9.9h.UV index
The average daily maximum UV index in May is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In May, a regular UV index of 3 translates into these guidelines:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Enhance your sun protection with tightly woven, yet airy clothing. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Stehekin, WA
- Average high temperature in May: 53.2°F
The warmest month (with the highest average high temperature) is August (71.4°F).
The month with the lowest average high temperature is December (25.7°F).
- Average low temperature in May: 33.4°F
The month with the highest average low temperature is August (46.4°F).
The coldest month (with the lowest average low temperature) is December (12.6°F).
Average pressure in May
Stehekin, WA
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.95"Hg).
Average wind speed in May
Stehekin, WA
- Average wind speed in May: 4.7mph
The windiest month (with the highest average wind speed) is June (5.2mph).
The calmest month (with the lowest average wind speed) is December (4.2mph).
Average humidity in May
Stehekin, WA
- Average humidity in May: 76%
The months with the highest relative humidity are January, February and December (93%).
The months with the lowest relative humidity are July and August (60%).
Average rainfall in May
Stehekin, WA
- Average rainfall in May: 1.3"
The wettest months (with the highest rainfall) are January and December (1.34").
The driest month (with the least rainfall) is August (0.43").
Average rainfall days in May
Stehekin, WA
- Average rainfall days in May: 9.8 days
The month with the highest number of rainy days is June (10.4 days).
The month with the least rainy days is December (2.1 days).
Average snowfall in May
Stehekin, WA
- Average snowfall in May: 3.86"
The month with the highest snowfall is December (9.8").
The month with the least snowfall is August (0").
Average snowfall days in May
Stehekin, WA
- Average snowfall days in May: 6.2 days
The month with the highest number of snowfall days is March (13.7 days).
The month with the least snowfall days is August (0.2 days).
Average daylight in May /
Average sunshine in May
Stehekin, WA
- Average daylight in May: 15h and 12min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in May: 9h and 54min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in May
Stehekin, WA
- Average sunshine days in May: 15.4 days
The month with the most sunshine days is August (22.9 days).
The months with the least sunshine days are April and May (15.4 days).
Average UV index in May
Stehekin, WA
- Average UV index in May: 3
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 1).
Average cloud cover in May
Stehekin, WA
- Average cloud cover in May: 43
The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in May
Stehekin, WA
- Average visibility in May: 5mi
The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January and February (2mi).
