May weather forecastSun Prairie, MT
May
Weather in May
The last month of the spring, May, is a refreshing month in Sun Prairie, Montana, with an average temperature fluctuating between 62.8°F (17.1°C) and 42.4°F (5.8°C).Temperature
May brings an increase in the average high-temperature, progressing from a fresh 52.3°F (11.3°C) in April to a comfortable 62.8°F (17.1°C). An average low-temperature of 42.4°F (5.8°C) is noted during the month of May.Humidity
The average relative humidity in May is 59%.Rainfall
In May, the rain falls for 14.5 days. Throughout May, 1.65" (42mm) of precipitation is accumulated. Throughout the year, there are 102.6 rainfall days, and 11.89" (302mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. May is the last month it regularly snows. During 1.2 snowfall days, in May, Sun Prairie aggregates 0.91" (23mm) of snow. In Sun Prairie, during the entire year, snow falls for 66.6 days and aggregates up to 32.17" (817mm) of snow.Daylight
In Sun Prairie, the average length of the day in May is 15h and 9min.On the first day of May, sunrise is at 6:07 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 9:14 pm MDT.
Sunshine
The average sunshine in May is 10.3h.UV index
In May, the average daily maximum UV index in Sun Prairie is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 4 in May interprets into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Sun Prairie, MT
- Average high temperature in May: 62.8°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (29.8°F).
- Average low temperature in May: 42.4°F
The month with the highest average low temperature is August (57.6°F).
The coldest month (with the lowest average low temperature) is December (18.1°F).
Average pressure in May
Sun Prairie, MT
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in May
Sun Prairie, MT
- Average wind speed in May: 8.4mph
The windiest month (with the highest average wind speed) is November (11.2mph).
The calmest month (with the lowest average wind speed) is August (7.5mph).
Average humidity in May
Sun Prairie, MT
- Average humidity in May: 59%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is August (41%).
Average rainfall in May
Sun Prairie, MT
- Average rainfall in May: 1.65"
The wettest month (with the highest rainfall) is June (1.97").
The driest months (with the least rainfall) are January and July (0.59").
Average rainfall days in May
Sun Prairie, MT
- Average rainfall days in May: 14.5 days
The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is November (4.4 days).
Average snowfall in May
Sun Prairie, MT
- Average snowfall in May: 0.91"
The month with the highest snowfall is February (5.28").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Sun Prairie, MT
- Average snowfall days in May: 1.2 days
The month with the highest number of snowfall days is February (12.6 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Sun Prairie, MT
- Average daylight in May: 15h and 12min
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 18min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 30min).
Average sunshine days in May
Sun Prairie, MT
- Average sunshine days in May: 12.9 days
The month with the most sunshine days is September (20.5 days).
The month with the least sunshine days is April (11.6 days).
Average UV index in May
Sun Prairie, MT
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in May
Sun Prairie, MT
- Average cloud cover in May: 33
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 13).
Average visibility in May
Sun Prairie, MT
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
