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
In Fort Benton, the average high-temperature in May rises, from a fresh 53.2°F (11.8°C) in April, to an enjoyable 63°F (17.2°C). Throughout the month of May, the nighttime temperature dips to an average of 44.2°F (6.8°C).Humidity
The average relative humidity in May in Fort Benton is 57%.Rainfall
In Fort Benton, in May, during 15.6 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. Throughout the year, there are 119.1 rainfall days, and 13.43" (341mm) of precipitation is accumulated.Snowfall
Months with snowfall in Fort Benton, Montana, are January through May, September through December. May is the last month it regularly snows. During 0.4 snowfall days, in May, Fort Benton aggregates 0.2" (5mm) of snow. In Fort Benton, during the entire year, snow falls for 58.3 days and aggregates up to 29.37" (746mm) of snow.Daylight
The average length of the day in May is 15h and 11min.On the first day of May in Fort Benton, sunrise is at 6:03 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 9:12 pm MDT.
Sunshine
The average sunshine in May in Fort Benton is 10.4h.UV index
In Fort Benton, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 4 during May translates into the following guidance:
Act with care - Obligation to protect against skin and eye damage is highlighted. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
What is the usual temperature for Fort Benton in May?
What is the average humidity in May in Fort Benton?
How many days does it rain in May in Fort Benton?
What is the last month it snows in Fort Benton?
What is the average length of the day in May in Fort Benton?
When are sunrise and sunset in May in Fort Benton?
How many hours of sunshine does Fort Benton have in May?
What is the UV index intensity in May in Fort Benton?
Average temperature in May
Fort Benton, MT
- Average high temperature in May: 63°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is December (29.8°F).
- Average low temperature in May: 44.2°F
The month with the highest average low temperature is August (60.4°F).
The coldest month (with the lowest average low temperature) is February (18.1°F).
Average pressure in May
Fort Benton, 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
Fort Benton, MT
- Average wind speed in May: 9.3mph
The windiest months (with the highest average wind speed) are January and November (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).
Average humidity in May
Fort Benton, MT
- Average humidity in May: 57%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (39%).
Average rainfall in May
Fort Benton, MT
- Average rainfall in May: 2.01"
The wettest month (with the highest rainfall) is June (2.05").
The driest month (with the least rainfall) is December (0.67").
Average rainfall days in May
Fort Benton, MT
- Average rainfall days in May: 15.6 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in May
Fort Benton, MT
- Average snowfall in May: 0.2"
The month with the highest snowfall is February (5.51").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Fort Benton, MT
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is February (12.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Fort Benton, 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 0min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 30min).
Average sunshine days in May
Fort Benton, MT
- Average sunshine days in May: 12.9 days
The month with the most sunshine days is September (19.3 days).
The month with the least sunshine days is April (11.2 days).
Average UV index in May
Fort Benton, MT
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Fort Benton, MT
- Average cloud cover in May: 33
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in May
Fort Benton, 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).
Fort Benton, Montana, USA
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