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
The shift into May is marked by a rise in the average high-temperature, moving from April's frosty 49.6°F (9.8°C) to a refreshing 60.4°F (15.8°C). An average nighttime temperature of 41.7°F (5.4°C) is recorded during May.Humidity
The average relative humidity in May is 58%.Rainfall
In May, the rain falls for 11.3 days. Throughout May, 1.61" (41mm) of precipitation is accumulated. Throughout the year, there are 73.3 rainfall days, and 9.17" (233mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 1.1 snowfall days, in May, Bynum aggregates 1.26" (32mm) of snow. Throughout the year, there are 50.3 snowfall days, and 21.26" (540mm) of snow is accumulated.Daylight
In Bynum, the average length of the day in May is 15h and 12min.On the first day of May, sunrise is at 6:09 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 9:20 pm MDT.
Sunshine
In Bynum, the average sunshine in May is 10.3h.UV index
In Bynum, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In May, a regular UV index of 4 translates into these guidelines:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Bynum in May?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Bynum have in May?
How high is the UV index in May in Bynum?
Average temperature in May
Bynum, MT
- Average high temperature in May: 60.4°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is December (28.8°F).
- Average low temperature in May: 41.7°F
The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is December (16.2°F).
Average pressure in May
Bynum, MT
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in May
Bynum, MT
- Average wind speed in May: 9mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest months (with the lowest average wind speed) are July and August (8mph).
Average humidity in May
Bynum, MT
- Average humidity in May: 58%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (42%).
Average rainfall in May
Bynum, MT
- Average rainfall in May: 1.61"
The wettest month (with the highest rainfall) is June (1.93").
The driest month (with the least rainfall) is December (0.35").
Average rainfall days in May
Bynum, MT
- Average rainfall days in May: 11.3 days
The month with the highest number of rainy days is May (11.3 days).
The month with the least rainy days is November (2.7 days).
Average snowfall in May
Bynum, MT
- Average snowfall in May: 1.26"
The month with the highest snowfall is February (4.17").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Bynum, MT
- Average snowfall days in May: 1.1 days
The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Bynum, MT
- Average daylight in May: 15h and 1min
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 30min).
- Average sunshine in May: 10h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in May
Bynum, MT
- Average sunshine days in May: 16.8 days
The month with the most sunshine days is October (23.2 days).
The month with the least sunshine days is February (15.8 days).
Average UV index in May
Bynum, 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
Bynum, MT
- Average cloud cover in May: 33
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in May
Bynum, 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).
Bynum, Montana, USA
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