May weather forecastStevensville, MT
May
Weather in May
The last month of the spring, May, is a refreshing month in Stevensville, Montana, with an average temperature fluctuating between 34.7°F (1.5°C) and 57.7°F (14.3°C).Temperature
May's onset brings a rise in the average high-temperature, moving from a frosty 46°F (7.8°C) in April to a refreshing 57.7°F (14.3°C). May nights present a stark temperature decrease to a cold 34.7°F (1.5°C).Humidity
The average relative humidity in May is 69%.Rainfall
In Stevensville, in May, during 14.5 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. In Stevensville, during the entire year, the rain falls for 140.1 days and collects up to 15.16" (385mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. May is the last month it regularly snows. During 1.3 snowfall days, in May, Stevensville aggregates 0.35" (9mm) of snow. In Stevensville, during the entire year, snow falls for 87.7 days and aggregates up to 46.5" (1181mm) of snow.Daylight
The average length of the day in May is 15h and 2min.On the first day of the month, sunrise is at 6:20 am and sunset at 8:46 pm. On the last day of May, sunrise is at 5:47 am and sunset at 9:21 pm MDT.
Sunshine
In Stevensville, the average sunshine in May is 10.4h.UV index
In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 4 during May translates into the following guidance:
Guard yourself - Precautionary measures against sun damage are advocated. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Stevensville, MT
- Average high temperature in May: 57.7°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is December (28.4°F).
- Average low temperature in May: 34.7°F
The month with the highest average low temperature is August (48.7°F).
The coldest month (with the lowest average low temperature) is December (16°F).
Average pressure in May
Stevensville, MT
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Stevensville, MT
- Average wind speed in May: 4.6mph
The windiest month (with the highest average wind speed) is January (5.4mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in May
Stevensville, MT
- Average humidity in May: 69%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are July and August (49%).
Average rainfall in May
Stevensville, MT
- Average rainfall in May: 1.34"
The wettest month (with the highest rainfall) is February (1.93").
The driest months (with the least rainfall) are July and August (0.43").
Average rainfall days in May
Stevensville, MT
- Average rainfall days in May: 14.5 days
The month with the highest number of rainy days is March (17.5 days).
The month with the least rainy days is August (5.3 days).
Average snowfall in May
Stevensville, MT
- Average snowfall in May: 0.35"
The month with the highest snowfall is February (11.22").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Stevensville, MT
- Average snowfall days in May: 1.3 days
The month with the highest number of snowfall days is February (17.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Stevensville, MT
- 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 42min).
- Average sunshine in May: 10h and 24min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in May
Stevensville, MT
- Average sunshine days in May: 12.9 days
The month with the most sunshine days is July (23.3 days).
The month with the least sunshine days is February (6.9 days).
Average UV index in May
Stevensville, MT
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in May
Stevensville, MT
- Average cloud cover in May: 33
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 13).
Average visibility in May
Stevensville, MT
- Average visibility in May: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
