May weather forecastShawmut, MT
May
Weather in May
The last month of the spring, May, is a refreshing month in Shawmut, Montana, with temperature in the range of an average high of 59.2°F (15.1°C) and an average low of 40.6°F (4.8°C).Temperature
The average high-temperature increases in May, moving from a chilly 49.1°F (9.5°C) in April to a mild 59.2°F (15.1°C). May nights cool down to an average low-temperature of 40.6°F (4.8°C).Humidity
In May, the average relative humidity is 62%.Rainfall
The month with the most rainfall is May, when the rain falls for 19.1 days and typically aggregates up to 2.4" (61mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Shawmut. May is the last month it regularly snows in Shawmut. During 2.4 snowfall days, in May, Shawmut aggregates 0.83" (21mm) of snow. In Shawmut, during the entire year, snow falls for 74.3 days and aggregates up to 33.5" (851mm) of snow.Daylight
In May, the average length of the day is 15h and 1min.On the first day of the month, sunrise is at 6:02 am and sunset at 8:27 pm. On the last day of May, sunrise is at 5:29 am and sunset at 9:02 pm MDT.
Sunshine
In Shawmut, the average sunshine in May is 10.5h.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 unsafe exposure to UV radiation for the ordinary person.Note: An average maximum UV index of 4 in May leads to these recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Shawmut, MT
- Average high temperature in May: 59.2°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 (29.1°F).
- Average low temperature in May: 40.6°F
The months with the highest average low temperature are July and August (55°F).
The coldest month (with the lowest average low temperature) is February (16.3°F).
Average pressure in May
Shawmut, MT
- Average pressure in May: 29.93"Hg
The months with the highest atmospheric pressure are January and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in May
Shawmut, MT
- Average wind speed in May: 8.1mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in May
Shawmut, MT
- Average humidity in May: 62%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is August (44%).
Average rainfall in May
Shawmut, MT
- Average rainfall in May: 2.4"
The wettest month (with the highest rainfall) is May (2.4").
The driest months (with the least rainfall) are January and December (0.51").
Average rainfall days in May
Shawmut, MT
- Average rainfall days in May: 19.1 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is December (7.2 days).
Average snowfall in May
Shawmut, MT
- Average snowfall in May: 0.83"
The month with the highest snowfall is April (6.73").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Shawmut, MT
- Average snowfall days in May: 2.4 days
The month with the highest number of snowfall days is February (14.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Shawmut, MT
- Average daylight in May: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in May: 10h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are February and December (Average sunshine: 6h and 24min).
Average sunshine days in May
Shawmut, MT
- Average sunshine days in May: 8.5 days
The month with the most sunshine days is September (18.6 days).
The month with the least sunshine days is April (7.8 days).
Average UV index in May
Shawmut, 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, October, November and December (UV index 2).
Average cloud cover in May
Shawmut, MT
- Average cloud cover in May: 32
The month with the most cloud cover is February (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in May
Shawmut, 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).
