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
A soft shift in the average high-temperature is noticeable in May, transitioning from a mild 55.9°F (13.3°C) in April to a still refreshing 64°F (17.8°C). During May, Elk Plain records a consistent average nighttime temperature of 42.8°F (6°C).Humidity
The average relative humidity in May is 76%.Rainfall
In Elk Plain, in May, it is raining for 13.8 days, with typically 1.85" (47mm) of accumulated precipitation. Throughout the year, there are 172.9 rainfall days, and 32.28" (820mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Elk Plain, the average length of the day in May is 15h and 6min.On the first day of the month, sunrise is at 5:52 am and sunset at 8:20 pm. On the last day of May, sunrise is at 5:18 am and sunset at 8:56 pm PDT.
Sunshine
The average sunshine in May is 8.7h.UV index
In Elk Plain, Washington, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In May, the maximum UV index of 4 suggests this advice:
Guard yourself - Precautionary measures against sun damage are advocated. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
Does it snow in May?
How many hours of daylight does Elk Plain have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Elk Plain have in May?
What is the UV index reading in May?
Average temperature in May
Elk Plain, WA
- Average high temperature in May: 64°F
The warmest month (with the highest average high temperature) is August (77.2°F).
The month with the lowest average high temperature is December (42.8°F).
- Average low temperature in May: 42.8°F
The month with the highest average low temperature is August (51.3°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).
Average pressure in May
Elk Plain, WA
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in May
Elk Plain, WA
- Average wind speed in May: 4.2mph
The windiest months (with the highest average wind speed) are January and March (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in May
Elk Plain, WA
- Average humidity in May: 76%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is July (70%).
Average rainfall in May
Elk Plain, WA
- Average rainfall in May: 1.85"
The wettest month (with the highest rainfall) is December (4.92").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in May
Elk Plain, WA
- Average rainfall days in May: 13.8 days
The month with the highest number of rainy days is March (20.2 days).
The month with the least rainy days is August (4.8 days).
Average snowfall in May
Elk Plain, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.44").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Elk Plain, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (4.1 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
Elk Plain, 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: 8h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in May
Elk Plain, WA
- Average sunshine days in May: 15 days
The month with the most sunshine days is August (23.8 days).
The month with the least sunshine days is November (9.3 days).
Average UV index in May
Elk Plain, 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, October, November and December (UV index 2).
Average cloud cover in May
Elk Plain, WA
- Average cloud cover in May: 46
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in May
Elk Plain, WA
- Average visibility in May: 5mi
The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January and February (4mi).
Elk Plain, Washington, USA
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