Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May's onset brings a temperature rise, moving from a fresh 53.6°F (12°C) in April to a refreshing 64°F (17.8°C). During May nights, Billings records an average temperature of 44.2°F (6.8°C).Humidity
The average relative humidity in May in Billings is 59%.Rainfall
May is the month with the most rainfall in Billings. Rain falls for 17.6 days and accumulates 2.13" (54mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Billings. May is the last month it regularly snows. During 0.7 snowfall days, in May, Billings aggregates 0.28" (7mm) of snow. In Billings, during the entire year, snow falls for 64.5 days and aggregates up to 31.18" (792mm) of snow.Daylight
In Billings, the average length of the day in May is 14h and 58min.On the first day of May in Billings, sunrise is at 5:59 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 8:56 pm MDT.
Sunshine
The average sunshine in May is 9.9h.UV index
In Billings, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In May, the maximum UV index of 5 suggests this advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
What is the average May temperature in Billings?
What is the average humidity in May in Billings?
What is the rainiest month in Billings?
How much does it rain in Billings in May?
What is the last month it snows in Billings?
How many hours of daylight does Billings have in May?
When is the sunrise / sunset in May in Billings?
How many hours of sunshine does Billings have in May?
What is the UV index intensity in May in Billings?
Average temperature in May
Billings, MT
- Average high temperature in May: 64°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is December (31.1°F).
- Average low temperature in May: 44.2°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is February (18.3°F).
Average pressure in May
Billings, 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
Billings, 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
Billings, 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
Billings, MT
- Average rainfall in May: 2.13"
The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is July (0.71").
Average rainfall days in May
Billings, MT
- Average rainfall days in May: 17.6 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in May
Billings, MT
- Average snowfall in May: 0.28"
The month with the highest snowfall is February (6.5").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Billings, MT
- Average snowfall days in May: 0.7 days
The month with the highest number of snowfall days is February (13.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Billings, 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 5min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in May
Billings, MT
- Average sunshine days in May: 11.5 days
The month with the most sunshine days is September (18.8 days).
The month with the least sunshine days is April (9.9 days).
Average UV index in May
Billings, 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
Billings, 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 15).
Average visibility in May
Billings, 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).
Billings, Montana, USA
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