May weather forecastMarysville, WA
May
Weather in May
May brings a newfound vibrancy to Marysville with mild temperatures and longer daylight hours. Significant temperature heights fluctuate between 54.3°F (12.4°C) and 62.2°F (16.8°C), producing enjoyable weather. This month marks the onset of barbecue and picnic season, characterized by an increase in sunshine hours, offering sun-soaked afternoons perfect for outdoor activities. However, the weather can be slightly unpredictable, shifting between a calming breeze or a brisk wind. Despite the occasional rains, the climate remains mostly dry and balmy.Temperature
A subtle rise in the average high-temperature is observed in Marysville during May, adjusting from a cool 54.3°F (12.4°C) in April to a refreshing 62.2°F (16.8°C). May nights in Marysville observe an average temperature dip to a chilly 44.8°F (7.1°C).Humidity
In Marysville, the average relative humidity in May is 77%.Rainfall
In Marysville, in May, during 13.3 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. In Marysville, during the entire year, the rain falls for 179.1 days and collects up to 29.57" (751mm) of precipitation.Snowfall
In Marysville, snow does not fall in May through October.Daylight
The average length of the day in May is 15h and 13min.On the first day of the month, sunrise is at 5:48 am and sunset at 8:22 pm. On the last day of May, sunrise is at 5:13 am and sunset at 8:59 pm PDT.
Sunshine
In Marysville, the average sunshine in May is 9.2h.UV index
In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 4 during May translates into the following directions:
Act with care - The suggestion to avoid sunburn is emphasized. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Marysville, WA
- Average high temperature in May: 62.2°F
The warmest month (with the highest average high temperature) is August (73°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in May: 44.8°F
The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is December (34.7°F).
Average pressure in May
Marysville, WA
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in May
Marysville, WA
- Average wind speed in May: 4.1mph
The windiest months (with the highest average wind speed) are March and November (5.8mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in May
Marysville, WA
- Average humidity in May: 77%
The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is July (73%).
Average rainfall in May
Marysville, WA
- Average rainfall in May: 1.81"
The wettest month (with the highest rainfall) is November (4.06").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days in May
Marysville, WA
- Average rainfall days in May: 13.3 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in May
Marysville, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.68").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Marysville, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.1 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
Marysville, WA
- Average daylight in May: 15h and 12min
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 24min).
- Average sunshine in May: 9h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 4h and 12min).
Average sunshine days in May
Marysville, WA
- Average sunshine days in May: 15.4 days
The month with the most sunshine days is August (23.1 days).
The months with the least sunshine days are February and November (8.6 days).
Average UV index in May
Marysville, WA
- Average UV index in May: 4
The months with the highest UV index are June and 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
Marysville, WA
- Average cloud cover in May: 42
The month with the most cloud cover is December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in May
Marysville, WA
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, November and December (5mi).
