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
Observing a slight rise in May, the average high-temperature shifts from April's fresh 54.9°F (12.7°C) to a comfortable 63.3°F (17.4°C). An average nighttime temperature of 43.5°F (6.4°C) is noted during the month of May.Humidity
In Snohomish, the average relative humidity in May is 77%.Rainfall
In Snohomish, during May, the rain falls for 10.9 days and regularly aggregates up to 0.94" (24mm) of precipitation. In Snohomish, during the entire year, the rain falls for 140.3 days and collects up to 15.12" (384mm) of precipitation.Snowfall
In Snohomish, snow does not fall in May through October.Daylight
In Snohomish, the average length of the day in May is 15h and 11min.On the first day of May, sunrise is at 5:48 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:13 am and sunset at 8:59 pm PDT.
Sunshine
In Snohomish, the average sunshine in May is 9.1h.UV index
The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In May, the average maximum UV index of 4 translates into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Snohomish in May?
What is the average humidity in May in Snohomish?
How many days does it rain in May?
When it does not snow?
Does it snow in Snohomish in May?
How many hours of daylight does Snohomish have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Snohomish have in May?
What is the UV index intensity in May?
Average temperature in May
Snohomish, WA
- Average high temperature in May: 63.3°F
The warmest month (with the highest average high temperature) is August (74.7°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in May: 43.5°F
The month with the highest average low temperature is August (51.8°F).
The coldest month (with the lowest average low temperature) is December (33.6°F).
Average pressure in May
Snohomish, WA
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in May
Snohomish, 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 (3.4mph).
Average humidity in May
Snohomish, WA
- Average humidity in May: 77%
The months with the highest relative humidity are January, February, November and December (85%).
The month with the lowest relative humidity is July (72%).
Average rainfall in May
Snohomish, WA
- Average rainfall in May: 0.94"
The wettest month (with the highest rainfall) is December (2.17").
The driest month (with the least rainfall) is August (0.28").
Average rainfall days in May
Snohomish, WA
- Average rainfall days in May: 10.9 days
The month with the highest number of rainy days is March (15.8 days).
The month with the least rainy days is August (4.8 days).
Average snowfall in May
Snohomish, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Snohomish, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.7 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
Snohomish, WA
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 0min).
Average sunshine days in May
Snohomish, WA
- Average sunshine days in May: 16.6 days
The month with the most sunshine days is August (24 days).
The month with the least sunshine days is April (12.3 days).
Average UV index in May
Snohomish, 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, November and December (UV index 2).
Average cloud cover in May
Snohomish, WA
- Average cloud cover in May: 43
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in May
Snohomish, WA
- Average visibility in May: 5mi
The months with the highest visibility are June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, May, November and December (5mi).
Snohomish, Washington, USA
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