May weather forecastShepherd, MT
May
Weather in May
The last month of the spring, May, is a comfortable month in Shepherd, Montana, with an average temperature fluctuating between 64°F (17.8°C) and 44.2°F (6.8°C).Temperature
The onset of May brings a rise in the average high-temperature, elevating from a fresh 53.8°F (12.1°C) in April to a comfortable 64°F (17.8°C). During the month of May, the nighttime temperature falls to an average of 44.2°F (6.8°C).Humidity
The average relative humidity in May in Shepherd is 59%.Rainfall
May is the month with the most rainfall. Rain falls for 17.8 days and accumulates 2.24" (57mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 0.8 snowfall days, in May, Shepherd aggregates 0.31" (8mm) of snow. In Shepherd, during the entire year, snow falls for 68.6 days and aggregates up to 32.56" (827mm) of snow.Daylight
In May, the average length of the day in Shepherd is 14h and 58min.On the first day of the month, sunrise is at 5:58 am and sunset at 8:21 pm. On the last day of May, in Shepherd, sunrise is at 5:26 am and sunset at 8:56 pm MDT.
Sunshine
In May, the average sunshine in Shepherd is 9.9h.UV index
In Shepherd, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In May, a daily UV index of 5 turns into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Shepherd, MT
- Average high temperature in May: 64°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is December (31.1°F).
- Average low temperature in May: 44.2°F
The months with the highest average low temperature are July and August (60.6°F).
The coldest month (with the lowest average low temperature) is February (18.3°F).
Average pressure in May
Shepherd, MT
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in May
Shepherd, MT
- Average wind speed in May: 8.6mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in May
Shepherd, MT
- Average humidity in May: 59%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (40%).
Average rainfall in May
Shepherd, MT
- Average rainfall in May: 2.24"
The wettest month (with the highest rainfall) is May (2.24").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in May
Shepherd, MT
- Average rainfall days in May: 17.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in May
Shepherd, MT
- Average snowfall in May: 0.31"
The month with the highest snowfall is February (6.61").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Shepherd, MT
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is February (14.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Shepherd, 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: 9h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in May
Shepherd, MT
- Average sunshine days in May: 10.3 days
The month with the most sunshine days is September (21.1 days).
The month with the least sunshine days is April (9.8 days).
Average UV index in May
Shepherd, MT
- Average UV index in May: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Shepherd, MT
- Average cloud cover in May: 36
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in May
Shepherd, 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).





