May weather forecastHinsdale, MT
May
Weather in May
May, the last month of the spring in Hinsdale, is a comfortable month, with an average temperature fluctuating between 46.9°F (8.3°C) and 65.8°F (18.8°C).Temperature
May comes with an increase, with the average high-temperature moving from a fresh 53.1°F (11.7°C) in April to an enjoyable 65.8°F (18.8°C). An average temperature of 46.9°F (8.3°C) is recorded during the nights in May.Humidity
The average relative humidity in May is 52%.Rainfall
May is the month with the most rainfall. Rain falls for 12.7 days and accumulates 1.73" (44mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Hinsdale aggregates 0.31" (8mm) of snow. Throughout the year, there are 56.9 snowfall days, and 17.95" (456mm) of snow is accumulated.Daylight
The average length of the day in May in Hinsdale is 15h and 15min.On the first day of the month, sunrise is at 5:47 am and sunset at 8:23 pm. On the last day of May, sunrise is at 5:11 am and sunset at 9:01 pm MDT.
Sunshine
The average sunshine in May is 10h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high UV index of 5 in May translates into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. On your guard! Snow's reflection can almost 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
Hinsdale, MT
- Average high temperature in May: 65.8°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is February (24.4°F).
- Average low temperature in May: 46.9°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is February (10°F).
Average pressure in May
Hinsdale, MT
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in May
Hinsdale, MT
- Average wind speed in May: 10.6mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is February (8.3mph).
Average humidity in May
Hinsdale, MT
- Average humidity in May: 52%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (41%).
Average rainfall in May
Hinsdale, MT
- Average rainfall in May: 1.73"
The wettest month (with the highest rainfall) is May (1.73").
The driest month (with the least rainfall) is February (0.43").
Average rainfall days in May
Hinsdale, MT
- Average rainfall days in May: 12.7 days
The month with the highest number of rainy days is May (12.7 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in May
Hinsdale, MT
- Average snowfall in May: 0.31"
The month with the highest snowfall is December (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Hinsdale, MT
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Hinsdale, 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 24min).
- Average sunshine in May: 10h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Hinsdale, MT
- Average sunshine days in May: 16.3 days
The month with the most sunshine days is October (21 days).
The month with the least sunshine days is April (15.4 days).
Average UV index in May
Hinsdale, 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, October, November and December (UV index 2).
Average cloud cover in May
Hinsdale, MT
- Average cloud cover in May: 33
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 18).
Average visibility in May
Hinsdale, MT
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





