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
As May begins, there is an increase in the average high-temperature, moving from a cool 54.9°F (12.7°C) in April to an enjoyable 65.8°F (18.8°C). May in Marshall is characterized by a distinct thermal shift, with nighttime lows averaging at a chilly 43.3°F (6.3°C).Humidity
In Marshall, Washington, the average relative humidity in May is 62%.Rainfall
In Marshall, in May, it is raining for 13.4 days, with typically 1.65" (42mm) of accumulated precipitation. In Marshall, during the entire year, the rain falls for 127.8 days and collects up to 16.93" (430mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Marshall aggregates 0.08" (2mm) of snow. Throughout the year, there are 62.3 snowfall days, and 37.83" (961mm) of snow is accumulated.Daylight
In May, the average length of the day is 15h and 9min.On the first day of the month, sunrise is at 5:31 am and sunset at 8:02 pm. On the last day of May, sunrise is at 4:56 am and sunset at 8:39 pm PDT.
Sunshine
The average sunshine in May is 10.3h.UV index
In Marshall, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: In May, an average UV index of 4 transforms into the following instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How long on average sun shines in May in Marshall?
How high is the UV index in May?
Average temperature in May
Marshall, 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
Marshall, 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
Marshall, 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
Marshall, 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
Marshall, 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
Marshall, 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
Marshall, 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
Marshall, 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
Marshall, 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
Marshall, 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
Marshall, 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
Marshall, 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
Marshall, 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).
Marshall, Washington, USA
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