May weather forecastChoteau, MT
May
Weather in May
The last month of the spring, May, is a mild month in Choteau, Montana, with an average temperature ranging between max 60.4°F (15.8°C) and min 41.7°F (5.4°C).Temperature
As April gives way to May, the average high-temperature displays an increase, moving from a frosty 49.6°F (9.8°C) to a mild 60.4°F (15.8°C). Nighttime temperatures in Choteau, Montana, consistently average a cold 41.7°F (5.4°C) during May.Humidity
The average relative humidity in May in Choteau is 58%.Rainfall
In May, in Choteau, the rain falls for 11.3 days. Throughout May, 1.61" (41mm) of precipitation is accumulated. In Choteau, during the entire year, the rain falls for 73.3 days and collects up to 9.17" (233mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Choteau. May is the last month it regularly snows in Choteau. During 1.1 snowfall days, in May, Choteau aggregates 1.26" (32mm) of snow. Throughout the year, in Choteau, there are 50.3 snowfall days, and 21.26" (540mm) of snow is accumulated.Daylight
In May, the average length of the day is 15h and 11min.On the first day of May in Choteau, sunrise is at 6:09 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 9:18 pm MDT.
Sunshine
In Choteau, Montana, the average sunshine in May is 10.3h.UV index
In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A daily high UV index of 4 in May leads to these guidelines:
Guard yourself - Avoiding sunburn is suggested. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Choteau, MT
- Average high temperature in May: 60.4°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is December (28.8°F).
- Average low temperature in May: 41.7°F
The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is December (16.2°F).
Average pressure in May
Choteau, MT
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in May
Choteau, MT
- Average wind speed in May: 9mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest months (with the lowest average wind speed) are July and August (8mph).
Average humidity in May
Choteau, MT
- Average humidity in May: 58%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (42%).
Average rainfall in May
Choteau, MT
- Average rainfall in May: 1.61"
The wettest month (with the highest rainfall) is June (1.93").
The driest month (with the least rainfall) is December (0.35").
Average rainfall days in May
Choteau, MT
- Average rainfall days in May: 11.3 days
The month with the highest number of rainy days is May (11.3 days).
The month with the least rainy days is November (2.7 days).
Average snowfall in May
Choteau, MT
- Average snowfall in May: 1.26"
The month with the highest snowfall is February (4.17").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Choteau, MT
- Average snowfall days in May: 1.1 days
The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Choteau, MT
- 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 30min).
- Average sunshine in May: 10h and 18min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in May
Choteau, MT
- Average sunshine days in May: 16.8 days
The month with the most sunshine days is October (23.2 days).
The month with the least sunshine days is February (15.8 days).
Average UV index in May
Choteau, 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
Choteau, MT
- Average cloud cover in May: 33
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in May
Choteau, 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).
