May weather forecastMarysville, MT
May
Weather in May
The last month of the spring, May, is a moderate month in Marysville, Montana, with an average temperature varying between 57.2°F (14°C) and 35.2°F (1.8°C).Temperature
With the onset of May, the average high-temperature slightly shifts from April's chilly 45.7°F (7.6°C) to a refreshing 57.2°F (14°C). Contrasting the daytime warmth, Marysville's May nights cool down to an average of 35.2°F (1.8°C).Humidity
In Marysville, the average relative humidity in May is 66%.Rainfall
In May, the rain falls for 16.1 days. Throughout May, 1.77" (45mm) of precipitation is accumulated. In Marysville, during the entire year, the rain falls for 106.9 days and collects up to 13.27" (337mm) of precipitation.Snowfall
Months with snowfall in Marysville are January through June, September through December. In May, it is snowing for 4.5 days. Throughout May, 2.32" (59mm) of snow is accumulated. Throughout the year, there are 92.7 snowfall days, and 45.59" (1158mm) of snow is accumulated.Daylight
The average length of the day in May in Marysville is 15h and 4min.On the first day of the month, sunrise is at 6:12 am and sunset at 8:39 pm. On the last day of May, sunrise is at 5:38 am and sunset at 9:15 pm MDT.
Sunshine
In May, the average sunshine is 10.3h.UV index
The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: During May, 4 as the daily maximum UV index converts into the following advice:
Ensure safety - Recommendations to avert sunburn are presented. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Marysville, MT
- Average high temperature in May: 57.2°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is December (26.2°F).
- Average low temperature in May: 35.2°F
The month with the highest average low temperature is August (49.3°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).
Average pressure in May
Marysville, MT
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Marysville, MT
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is November (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in May
Marysville, MT
- Average humidity in May: 66%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are July and August (48%).
Average rainfall in May
Marysville, MT
- Average rainfall in May: 1.77"
The wettest month (with the highest rainfall) is June (2.6").
The driest months (with the least rainfall) are January and December (0.59").
Average rainfall days in May
Marysville, MT
- Average rainfall days in May: 16.1 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in May
Marysville, MT
- Average snowfall in May: 2.32"
The month with the highest snowfall is February (7.13").
The months with the least snowfall are July and August (0").
Average snowfall days in May
Marysville, MT
- Average snowfall days in May: 4.5 days
The month with the highest number of snowfall days is February (15.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Marysville, MT
- Average daylight in May: 15h and 6min
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: 10h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).
Average sunshine days in May
Marysville, MT
- Average sunshine days in May: 10.6 days
The month with the most sunshine days is July (18.8 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in May
Marysville, MT
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in May
Marysville, MT
- Average cloud cover in May: 35
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in May
Marysville, MT
- 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, February and December (5mi).
