May weather forecastPeshastin, WA
May
Weather in May
May, the last month of the spring in Peshastin, is a refreshing month, with an average temperature ranging between max 59.9°F (15.5°C) and min 37.9°F (3.3°C).Temperature
The transition to May introduces an increase in the average high-temperature, shifting from a chilly 47.8°F (8.8°C) in April to a moderate 59.9°F (15.5°C). Compared to daytime temperatures, Peshastin's temperature drops significantly, averaging an icy 37.9°F (3.3°C) during the nights of May.Humidity
In Peshastin, the average relative humidity in May is 70%.Rainfall
In Peshastin, in May, it is raining for 15.3 days, with typically 1.65" (42mm) of accumulated precipitation. In Peshastin, during the entire year, the rain falls for 159.9 days and collects up to 25.63" (651mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Peshastin aggregates 0.04" (1mm) of snow. In Peshastin, during the entire year, snow falls for 73.4 days and aggregates up to 57.99" (1473mm) of snow.Daylight
In Peshastin, the average length of the day in May is 15h and 9min.On the first day of May, sunrise is at 5:43 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 5:08 am and sunset at 8:51 pm PDT.
Sunshine
The average sunshine in May in Peshastin is 10.7h.UV index
The average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 4 during May morphs into the following directions:
Exercise prevention - Precautions against solar damage are endorsed. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Peshastin, WA
- Average high temperature in May: 59.9°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is December (30.6°F).
- Average low temperature in May: 37.9°F
The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is December (18.7°F).
Average pressure in May
Peshastin, 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
Peshastin, WA
- Average wind speed in May: 5mph
The windiest month (with the highest average wind speed) is June (5.7mph).
The calmest month (with the lowest average wind speed) is December (3.5mph).
Average humidity in May
Peshastin, WA
- Average humidity in May: 70%
The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are July and August (56%).
Average rainfall in May
Peshastin, WA
- Average rainfall in May: 1.65"
The wettest month (with the highest rainfall) is January (4.33").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in May
Peshastin, WA
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is March (18.2 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in May
Peshastin, WA
- Average snowfall in May: 0.04"
The month with the highest snowfall is January (16.73").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Peshastin, WA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is December (17 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Peshastin, WA
- Average daylight in May: 15h and 12min
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 42min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in May
Peshastin, WA
- Average sunshine days in May: 12.5 days
The month with the most sunshine days is August (21.9 days).
The month with the least sunshine days is February (6.8 days).
Average UV index in May
Peshastin, 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
Peshastin, WA
- Average cloud cover in May: 33
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in May
Peshastin, WA
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, November and December (4mi).





