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
Three Forks's transition into May sees a rise in the average high-temperature, advancing from a fresh 50.4°F (10.2°C) in April to an enjoyable 62.6°F (17°C). The significant decline in Three Forks's temperature, from day to night, averages of 37.9°F (3.3°C) in May.Humidity
The average relative humidity in May is 60%.Rainfall
In Three Forks, in May, it is raining for 15.9 days, with typically 1.42" (36mm) of accumulated precipitation. Throughout the year, there are 134.2 rainfall days, and 11.34" (288mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. In Three Forks, Montana, in May, during 1.3 snowfall days, 0.83" (21mm) of snow is typically accumulated. In Three Forks, during the entire year, snow falls for 79.6 days and aggregates up to 30.08" (764mm) of snow.Daylight
In May, the average length of the day is 14h and 58min.On the first day of May, sunrise is at 6:11 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 9:08 pm MDT.
Sunshine
The average sunshine in May is 10.7h.UV index
The average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 4 during May translates into the following directions:
Act with care - The need to guard against sun damage is communicated. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
How many days does it rain in May?
How much does it snow in May?
What is the average length of the day in May?
When are sunrise and sunset in May?
How long on average sun shines in May in Three Forks?
What is the UV index reading in May in Three Forks?
Average temperature in May
Three Forks, MT
- Average high temperature in May: 62.6°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is December (28°F).
- Average low temperature in May: 37.9°F
The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is December (12.7°F).
Average pressure in May
Three Forks, MT
- Average pressure in May: 29.94"Hg
The months with the highest atmospheric pressure are January and December (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Three Forks, MT
- Average wind speed in May: 5mph
The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in May
Three Forks, MT
- Average humidity in May: 60%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (44%).
Average rainfall in May
Three Forks, MT
- Average rainfall in May: 1.42"
The wettest month (with the highest rainfall) is June (1.57").
The driest month (with the least rainfall) is August (0.51").
Average rainfall days in May
Three Forks, MT
- Average rainfall days in May: 15.9 days
The month with the highest number of rainy days is April (16.5 days).
The month with the least rainy days is August (7.6 days).
Average snowfall in May
Three Forks, MT
- Average snowfall in May: 0.83"
The month with the highest snowfall is February (6.02").
The months with the least snowfall are July and August (0").
Average snowfall days in May
Three Forks, MT
- Average snowfall days in May: 1.3 days
The month with the highest number of snowfall days is February (16.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Three Forks, 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: 10h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in May
Three Forks, MT
- Average sunshine days in May: 10.5 days
The month with the most sunshine days is September (18.7 days).
The month with the least sunshine days is April (9.3 days).
Average UV index in May
Three Forks, MT
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Three Forks, MT
- Average cloud cover in May: 30
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in May
Three Forks, MT
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Three Forks, Montana, USA
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