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
In Spokane, the average high-temperature in May increases from a fresh 54.9°F (12.7°C) in April to a comfortable 65.8°F (18.8°C). From significant daily highs, Spokane's nights in May cool down to an average low-temperature of 43.3°F (6.3°C).Humidity
In May, the average relative humidity is 62%.Rainfall
In Spokane, in May, during 13.4 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. Throughout the year, there are 127.8 rainfall days, and 16.93" (430mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Spokane. May is the last month it regularly snows. During 0.3 snowfall days, in May, Spokane aggregates 0.08" (2mm) of snow. In Spokane, during the entire year, snow falls for 62.3 days and aggregates up to 37.83" (961mm) of snow.Daylight
In Spokane, the average length of the day in May is 15h and 10min.On the first day of the month, sunrise is at 5:30 am and sunset at 8:02 pm. On the last day of May, sunrise is at 4:55 am and sunset at 8:39 pm PDT.
Sunshine
In Spokane, the average sunshine in May is 10.3h.UV index
In Spokane, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 4 during May translates into the following directions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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 many days does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When are sunrise and sunset in May?
How many hours of sunshine does Spokane have in May?
How high is the UV index in May?
Average temperature in May
Spokane, WA
- Average high temperature in May: 65.8°F
The warmest months (with the highest average high temperature) are July and August (83.7°F).
The month with the lowest average high temperature is December (32.2°F).
- Average low temperature in May: 43.3°F
The month with the highest average low temperature is August (59°F).
The coldest month (with the lowest average low temperature) is December (22.1°F).
Average pressure in May
Spokane, WA
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).
Average wind speed in May
Spokane, WA
- Average wind speed in May: 6.4mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in May
Spokane, WA
- Average humidity in May: 62%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (38%).
Average rainfall in May
Spokane, WA
- Average rainfall in May: 1.65"
The wettest month (with the highest rainfall) is March (2.13").
The driest month (with the least rainfall) is August (0.35").
Average rainfall days in May
Spokane, WA
- Average rainfall days in May: 13.4 days
The month with the highest number of rainy days is April (16.3 days).
The month with the least rainy days is July (4.9 days).
Average snowfall in May
Spokane, WA
- Average snowfall in May: 0.08"
The month with the highest snowfall is January (10.39").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Spokane, WA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is December (15.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Spokane, WA
- Average daylight in May: 15h and 1min
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 2min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).
Average sunshine days in May
Spokane, WA
- Average sunshine days in May: 14.9 days
The month with the most sunshine days is July (24.1 days).
The month with the least sunshine days is March (9.8 days).
Average UV index in May
Spokane, 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 February and December (UV index 1).
Average cloud cover in May
Spokane, WA
- Average cloud cover in May: 33
The months with the most cloud cover are January and December (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in May
Spokane, 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 and December (4mi).
Spokane, Washington, USA
Weather forecast for your location
2. Allow the app to use your location