August weather forecastRavalli, MT
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Ravalli, Montana, with an average temperature fluctuating between 49.5°F (9.7°C) and 79.3°F (26.3°C).Temperature
In August, Ravalli notes an average high-temperature of a still moderately hot 79.3°F (26.3°C), hardly different from the preceding month. During August, Ravalli reports a marked contrast from daily peak temperatures, with an average nighttime reading of 49.5°F (9.7°C).Humidity
August is the least humid month, with an average relative humidity of 49%.Rainfall
The months with the least rainfall are July and August Rain falls for 7.4 days and accumulates 0.63" (16mm) of rain.Snowfall
In Ravalli, snow does not fall in June through August.Daylight
The average length of the day in August is 14h and 11min.On the first day of August in Ravalli, Montana, sunrise is at 6:16 am and sunset at 9:09 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 8:17 pm MDT.
Sunshine
The average sunshine in August in Ravalli is 11.7h.UV index
In August, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A typical high UV index of 4 in August suggests the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. Around midday, solar radiation is most harmful; hence, exposure should be limited. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Ravalli, MT
- Average high temperature in August: 79.3°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 (28.4°F).
- Average low temperature in August: 49.5°F
The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (16.7°F).
Average pressure in August
Ravalli, MT
- Average pressure in August: 29.95"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Ravalli, MT
- Average wind speed in August: 3.9mph
The windiest month (with the highest average wind speed) is April (4.8mph).
The calmest months (with the lowest average wind speed) are January, August and December (3.9mph).
Average humidity in August
Ravalli, MT
- Average humidity in August: 49%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (49%).
Average rainfall in August
Ravalli, MT
- Average rainfall in August: 0.63"
The wettest month (with the highest rainfall) is June (2.2").
The driest months (with the least rainfall) are July and August (0.63").
Average rainfall days in August
Ravalli, MT
- Average rainfall days in August: 7.4 days
The month with the highest number of rainy days is June (15.7 days).
The month with the least rainy days is August (7.4 days).
Average snowfall in August
Ravalli, MT
- Average snowfall in August: 0"
The month with the highest snowfall is February (6.5").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Ravalli, MT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (14.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Ravalli, MT
- Average daylight in August: 14h and 12min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- 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: 4h and 42min).
Average sunshine days in August
Ravalli, MT
- Average sunshine days in August: 20.3 days
The month with the most sunshine days is July (20.8 days).
The month with the least sunshine days is February (11 days).
Average UV index in August
Ravalli, MT
- Average UV index in August: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in August
Ravalli, MT
- Average cloud cover in August: 14
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in August
Ravalli, MT
- Average visibility in August: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).





