August weather forecastThree Forks, MT
August
Weather in August
August, the last month of the summer in Three Forks, is also a moderately hot month, with an average temperature ranging between max 81.9°F (27.7°C) and min 50.5°F (10.3°C).Temperature
Three Forks, Montana, marks the onset of August with an average high-temperature of a still moderately hot 81.9°F (27.7°C), a subtle shift from July's 83.5°F (28.6°C). August witnesses a substantial contrast between the daytime highs and the average low of 50.5°F (10.3°C).Heat index
August's heat index is calculated to be 82.4°F (28°C). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.When referencing the heat index, its values are suitable for shady environments and light breezes. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
Humidity
With an average relative humidity of 44%, August is the least humid month.Rainfall
August is the month with the least rainfall. Rain falls for 7.6 days and accumulates 0.51" (13mm) of precipitation.Snowfall
July and August are months without snowfall.Daylight
The average length of the day in August is 14h and 5min.On the first day of the month, sunrise is at 6:10 am and sunset at 8:54 pm. On the last day of August, sunrise is at 6:46 am and sunset at 8:05 pm MDT.
Sunshine
In August, the average sunshine is 11.7h.UV index
In August, the average daily maximum UV index in Three Forks is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The UV index of 5 during August leads to these advisories:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Three Forks, MT
- Average high temperature in August: 81.9°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 August: 50.5°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 August
Three Forks, MT
- Average pressure in August: 29.96"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 August
Three Forks, MT
- Average wind speed in August: 4.2mph
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 August
Three Forks, MT
- Average humidity in August: 44%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (44%).
Average rainfall in August
Three Forks, MT
- Average rainfall in August: 0.51"
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 August
Three Forks, MT
- Average rainfall days in August: 7.6 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 August
Three Forks, MT
- Average snowfall in August: 0"
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 August
Three Forks, MT
- Average snowfall days in August: 0 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 August /
Average sunshine in August
Three Forks, MT
- Average daylight in August: 14h and 6min
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 August: 11h and 42min
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 August
Three Forks, MT
- Average sunshine days in August: 17.6 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 August
Three Forks, MT
- Average UV index in August: 5
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 August
Three Forks, MT
- Average cloud cover in August: 13
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 August
Three Forks, MT
- Average visibility in August: 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).





