August weather forecastStevensville, MT
August
Weather in August
August, the last month of the summer in Stevensville, is also a moderately hot month, with temperature in the range of an average low of 48.7°F (9.3°C) and an average high of 77.5°F (25.3°C).Temperature
The average high-temperature during August registers at a still warm 77.5°F (25.3°C), maintaining a close resemblance to the previous month. Contrasting the daytime warmth, Stevensville's August nights cool down to an average of 48.7°F (9.3°C).Humidity
July and August, with an average relative humidity of 49%, are the least humid months in Stevensville.Rainfall
The months with the least rainfall are July and August Rain falls for 5.3 days and accumulates 0.43" (11mm) of rain.Snowfall
In Stevensville, snow does not fall in June through August.Daylight
In Stevensville, Montana, the average length of the day in August is 14h and 7min.On the first day of August, sunrise is at 6:18 am and sunset at 9:06 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 8:16 pm MDT.
Sunshine
The average sunshine in August is 11.7h.UV index
In Stevensville, the average daily maximum UV index in August is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 4 in August translates into this advice:
Take precautions - Protection against skin and eye damage is obliged. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Stevensville, MT
- Average high temperature in August: 77.5°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is December (28.4°F).
- Average low temperature in August: 48.7°F
The month with the highest average low temperature is August (48.7°F).
The coldest month (with the lowest average low temperature) is December (16°F).
Average pressure in August
Stevensville, MT
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Stevensville, MT
- Average wind speed in August: 4.2mph
The windiest month (with the highest average wind speed) is January (5.4mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in August
Stevensville, MT
- Average humidity in August: 49%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are July and August (49%).
Average rainfall in August
Stevensville, MT
- Average rainfall in August: 0.43"
The wettest month (with the highest rainfall) is February (1.93").
The driest months (with the least rainfall) are July and August (0.43").
Average rainfall days in August
Stevensville, MT
- Average rainfall days in August: 5.3 days
The month with the highest number of rainy days is March (17.5 days).
The month with the least rainy days is August (5.3 days).
Average snowfall in August
Stevensville, MT
- Average snowfall in August: 0"
The month with the highest snowfall is February (11.22").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Stevensville, MT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (17.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Stevensville, MT
- Average daylight in August: 14h and 6min
The month with the longest days is June (Average daylight: 15h and 48min).
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 54min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in August
Stevensville, MT
- Average sunshine days in August: 23.1 days
The month with the most sunshine days is July (23.3 days).
The month with the least sunshine days is February (6.9 days).
Average UV index in August
Stevensville, MT
- Average UV index in August: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in August
Stevensville, MT
- Average cloud cover in August: 14
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 13).
Average visibility in August
Stevensville, MT
- Average visibility in August: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).





