Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The shift from April to May sees an increase in the average high-temperature, transitioning from a cool 54.5°F (12.5°C) to a comfortable 63.9°F (17.7°C). Palouse records a pronounced decline from the day's peak to an average nighttime low-temperature of 41.7°F (5.4°C) throughout May.Humidity
The average relative humidity in May is 69%.Rainfall
In May, the rain falls for 14.8 days. Throughout May, 2.09" (53mm) of precipitation is accumulated. Throughout the year, in Palouse, there are 131 rainfall days, and 18.15" (461mm) of precipitation is accumulated.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, Palouse aggregates 0.08" (2mm) of snow. In Palouse, during the entire year, snow falls for 53.7 days and aggregates up to 37.44" (951mm) of snow.Daylight
In Palouse, the average length of the day in May is 15h and 5min.On the first day of May, sunrise is at 5:31 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 4:57 am and sunset at 8:34 pm PDT.
Sunshine
In May, the average sunshine is 10.4h.UV index
The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum UV index of 4 in May translates into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
How many hours of daylight does Palouse have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Palouse have in May?
What is the UV index reading in May?
Average temperature in May
Palouse, WA
- Average high temperature in May: 63.9°F
The warmest month (with the highest average high temperature) is August (83.7°F).
The month with the lowest average high temperature is December (34.3°F).
- Average low temperature in May: 41.7°F
The month with the highest average low temperature is August (58.6°F).
The coldest month (with the lowest average low temperature) is December (24.1°F).
Average pressure in May
Palouse, WA
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in May
Palouse, WA
- Average wind speed in May: 5.4mph
The windiest months (with the highest average wind speed) are March and April (6.7mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in May
Palouse, WA
- Average humidity in May: 69%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (39%).
Average rainfall in May
Palouse, WA
- Average rainfall in May: 2.09"
The wettest month (with the highest rainfall) is January (2.2").
The driest months (with the least rainfall) are July and August (0.47").
Average rainfall days in May
Palouse, WA
- Average rainfall days in May: 14.8 days
The month with the highest number of rainy days is March (15.4 days).
The months with the least rainy days are July and August (5.8 days).
Average snowfall in May
Palouse, WA
- Average snowfall in May: 0.08"
The month with the highest snowfall is February (10.04").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Palouse, WA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is December (12.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Palouse, WA
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in May: 10h and 2min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 42min).
Average sunshine days in May
Palouse, WA
- Average sunshine days in May: 13.4 days
The month with the most sunshine days is July (23.4 days).
The month with the least sunshine days is February (10.2 days).
Average UV index in May
Palouse, 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, November and December (UV index 2).
Average cloud cover in May
Palouse, WA
- Average cloud cover in May: 32
The months with the most cloud cover are January and February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in May
Palouse, 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 months with the lowest visibility are January, February and December (5mi).
Palouse, Washington, USA
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