May weather forecastBlack Eagle, MT
May
Weather in May
May, the last month of the spring in Black Eagle, is a comfortable month, with an average temperature fluctuating between 42.6°F (5.9°C) and 63°F (17.2°C).Temperature
The arrival of May signals an increase in the average high-temperature, moving from a cool 52.3°F (11.3°C) in April to an enjoyable 63°F (17.2°C). The nights of May anticipate an average low-temperature of 42.6°F (5.9°C).Humidity
In Black Eagle, the average relative humidity in May is 59%.Rainfall
In Black Eagle, in May, during 9 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. Throughout the year, there are 68.2 rainfall days, and 4.49" (114mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. May is the last month it regularly snows in Black Eagle. During 0.9 snowfall days, in May, Black Eagle aggregates 0.31" (8mm) of snow. Throughout the year, there are 45.4 snowfall days, and 11.61" (295mm) of snow is accumulated.Daylight
In May, the average length of the day is 15h and 9min.On the first day of the month, sunrise is at 6:06 am and sunset at 8:37 pm. On the last day of May, sunrise is at 5:31 am and sunset at 9:14 pm MDT.
Sunshine
In Black Eagle, the average sunshine in May is 10.3h.UV index
The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 4 in May translates into this advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Black Eagle, MT
- Average high temperature in May: 63°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is December (30°F).
- Average low temperature in May: 42.6°F
The month with the highest average low temperature is August (57.7°F).
The coldest months (with the lowest average low temperature) are February and December (18.3°F).
Average pressure in May
Black Eagle, MT
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in May
Black Eagle, MT
- Average wind speed in May: 8.5mph
The windiest month (with the highest average wind speed) is November (11.4mph).
The calmest month (with the lowest average wind speed) is August (7.7mph).
Average humidity in May
Black Eagle, MT
- Average humidity in May: 59%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is August (40%).
Average rainfall in May
Black Eagle, MT
- Average rainfall in May: 0.63"
The wettest month (with the highest rainfall) is June (0.87").
The driest month (with the least rainfall) is December (0.16").
Average rainfall days in May
Black Eagle, MT
- Average rainfall days in May: 9 days
The month with the highest number of rainy days is April (9.9 days).
The month with the least rainy days is December (2.7 days).
Average snowfall in May
Black Eagle, MT
- Average snowfall in May: 0.31"
The month with the highest snowfall is February (2.09").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Black Eagle, MT
- Average snowfall days in May: 0.9 days
The month with the highest number of snowfall days is February (10 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Black Eagle, MT
- Average daylight in May: 15h and 6min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in May: 10h and 18min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 30min).
Average sunshine days in May
Black Eagle, MT
- Average sunshine days in May: 20.3 days
The month with the most sunshine days is July (26.1 days).
The months with the least sunshine days are February and April (16.2 days).
Average UV index in May
Black Eagle, 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
Black Eagle, 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 13).
Average visibility in May
Black Eagle, 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).
