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
May's arrival sees a mild rise in the average high-temperature, transitioning from April's cool 52.9°F (11.6°C) to an enjoyable 61.7°F (16.5°C). Despite a significant deviation from daily highs, May sees an average nighttime temperature of 39.7°F (4.3°C).Humidity
The average relative humidity in May is 79%.Rainfall
In May, the rain falls for 14.6 days. Throughout May, 2.48" (63mm) of precipitation is accumulated. In Mossyrock, during the entire year, the rain falls for 178.8 days and collects up to 40.47" (1028mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In May, the average length of the day is 15h and 2min.On the first day of May, sunrise is at 5:53 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:20 am and sunset at 8:54 pm PDT.
Sunshine
The average sunshine in May is 8h.UV index
In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily high UV index of 4 in May leads to these guidelines:
Take precautions. Light skin individuals may get burned in less than 30 minutes. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the 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 much does it rain in May?
When it does not snow?
Does it snow in May?
What is the average length of the day in May in Mossyrock?
When is the sunrise / sunset in May?
How long on average sun shines in May?
What is the UV index intensity in May?
Average temperature in May
Mossyrock, WA
- Average high temperature in May: 61.7°F
The warmest month (with the highest average high temperature) is August (75.9°F).
The month with the lowest average high temperature is December (41.2°F).
- Average low temperature in May: 39.7°F
The month with the highest average low temperature is August (47.3°F).
The coldest month (with the lowest average low temperature) is December (30.7°F).
Average pressure in May
Mossyrock, WA
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in May
Mossyrock, WA
- Average wind speed in May: 3.9mph
The windiest month (with the highest average wind speed) is January (5.3mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in May
Mossyrock, WA
- Average humidity in May: 79%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is July (71%).
Average rainfall in May
Mossyrock, WA
- Average rainfall in May: 2.48"
The wettest month (with the highest rainfall) is January (6.46").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in May
Mossyrock, WA
- Average rainfall days in May: 14.6 days
The month with the highest number of rainy days is March (20.3 days).
The month with the least rainy days is July (6.3 days).
Average snowfall in May
Mossyrock, WA
- Average snowfall in May: 0"
The month with the highest snowfall is January (5.51").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Mossyrock, WA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (6 days).
The months with the least snowfall days are June, July, August and October (0 days).
Average daylight in May /
Average sunshine in May
Mossyrock, WA
- Average daylight in May: 15h and 0min
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 0min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 3h and 48min).
Average sunshine days in May
Mossyrock, WA
- Average sunshine days in May: 15.1 days
The month with the most sunshine days is August (23.2 days).
The month with the least sunshine days is February (8.2 days).
Average UV index in May
Mossyrock, WA
- Average UV index in May: 4
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in May
Mossyrock, WA
- Average cloud cover in May: 52
The month with the most cloud cover is March (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in May
Mossyrock, WA
- Average visibility in May: 4mi
The months with the highest visibility are July, August and September (5mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (4mi).
Mossyrock, Washington, USA
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