May weather forecastHill, MT
May
Weather in May
May, the last month of the spring in Hill, is an enjoyable month, with an average temperature fluctuating between 45.1°F (7.3°C) and 63.1°F (17.3°C).Temperature
May sees a rise in the average high-temperature, climbing from a cool 52.5°F (11.4°C) in April to a refreshing 63.1°F (17.3°C). An average minimum temperature of 45.1°F (7.3°C) marks the month of May.Humidity
In May, the average relative humidity is 53%.Rainfall
In Hill, during May, the rain falls for 12.4 days and regularly aggregates up to 1.06" (27mm) of precipitation. Throughout the year, there are 77.5 rainfall days, and 6.5" (165mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Hill. May is the last month it regularly snows. During 0.7 snowfall days, in May, Hill aggregates 0.35" (9mm) of snow. In Hill, during the entire year, snow falls for 38 days and aggregates up to 8.78" (223mm) of snow.Daylight
The average length of the day in May in Hill, Montana, is 15h and 18min.On the first day of May, sunrise is at 6:02 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 5:25 am and sunset at 9:19 pm MDT.
Sunshine
The average sunshine in May is 10.4h.UV index
The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In May, the maximum UV index of 4 transforms into these recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Employ a wide-brim hat for potent defense against up to 50% of UV rays. 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
Hill, MT
- Average high temperature in May: 63.1°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is December (27.9°F).
- Average low temperature in May: 45.1°F
The month with the highest average low temperature is August (60.3°F).
The coldest months (with the lowest average low temperature) are February and December (16.2°F).
Average pressure in May
Hill, MT
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in May
Hill, MT
- Average wind speed in May: 9.9mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in May
Hill, MT
- Average humidity in May: 53%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (39%).
Average rainfall in May
Hill, MT
- Average rainfall in May: 1.06"
The wettest month (with the highest rainfall) is June (1.54").
The driest months (with the least rainfall) are January and December (0.16").
Average rainfall days in May
Hill, MT
- Average rainfall days in May: 12.4 days
The month with the highest number of rainy days is May (12.4 days).
The months with the least rainy days are January and February (2.1 days).
Average snowfall in May
Hill, MT
- Average snowfall in May: 0.35"
The month with the highest snowfall is April (1.65").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Hill, MT
- Average snowfall days in May: 0.7 days
The month with the highest number of snowfall days is December (6.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Hill, MT
- Average daylight in May: 15h and 18min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in May: 10h and 24min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in May
Hill, MT
- Average sunshine days in May: 16.3 days
The months with the most sunshine days are January and December (23.9 days).
The months with the least sunshine days are May and June (16.3 days).
Average UV index in May
Hill, 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
Hill, MT
- Average cloud cover in May: 33
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
Hill, 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).





