May weather forecastPrevost, WA
May
Weather in May
The last month of the spring, May, is a mild month in Prevost, Washington, with an average temperature fluctuating between 59.7°F (15.4°C) and 48.4°F (9.1°C).Temperature
May brings a slight increase in the average high-temperature, progressing from a cool 52.9°F (11.6°C) in April to a refreshing 59.7°F (15.4°C). Prevost's temperature lowers to a mean of 48.4°F (9.1°C) during the nights in May.Humidity
In May, the average relative humidity is 75%.Rainfall
In May, the rain falls for 5.8 days. Throughout May, 0.31" (8mm) of precipitation is accumulated. Throughout the year, there are 72.5 rainfall days, and 6.42" (163mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In May, the average length of the day in Prevost is 15h and 17min.On the first day of the month, sunrise is at 5:51 am and sunset at 8:28 pm. On the last day of May, sunrise is at 5:14 am and sunset at 9:06 pm PDT.
Sunshine
The average sunshine in May is 10.2h.UV index
In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 4 during May leads to these instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Prevost, WA
- Average high temperature in May: 59.7°F
The warmest months (with the highest average high temperature) are July and August (68.4°F).
The month with the lowest average high temperature is December (43.3°F).
- Average low temperature in May: 48.4°F
The month with the highest average low temperature is August (56.7°F).
The coldest month (with the lowest average low temperature) is February (37.9°F).
Average pressure in May
Prevost, WA
- Average pressure in May: 30.03"Hg
The months with the highest atmospheric pressure are January and July (30.06"Hg).
The month with the lowest atmospheric pressure is March (29.99"Hg).
Average wind speed in May
Prevost, WA
- Average wind speed in May: 4.6mph
The windiest month (with the highest average wind speed) is November (7.3mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in May
Prevost, WA
- Average humidity in May: 75%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is July (73%).
Average rainfall in May
Prevost, WA
- Average rainfall in May: 0.31"
The wettest month (with the highest rainfall) is January (1.46").
The driest months (with the least rainfall) are July and August (0.12").
Average rainfall days in May
Prevost, WA
- Average rainfall days in May: 5.8 days
The month with the highest number of rainy days is December (8.6 days).
The month with the least rainy days is August (2.3 days).
Average snowfall in May
Prevost, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.09").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Prevost, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.8 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
Prevost, 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: 10h and 12min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 30min).
Average sunshine days in May
Prevost, WA
- Average sunshine days in May: 24.8 days
The month with the most sunshine days is August (28.2 days).
The month with the least sunshine days is February (17.4 days).
Average UV index in May
Prevost, 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
Prevost, WA
- Average cloud cover in May: 33
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 20).
Average visibility in May
Prevost, WA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
