August weather forecastFrenchtown, MT
August
Weather in August
August, the last month of the summer in Frenchtown, is also a moderately hot month, with an average temperature varying between 79.3°F (26.3°C) and 46.4°F (8°C).Temperature
The beginning of August reveals an average high-temperature of a still moderately hot 79.3°F (26.3°C), showing minimal deviation from the previous month. Throughout August, Frenchtown notes a dramatic plunge from the daily high to an average low-temperature of 46.4°F (8°C).Humidity
The months with the lowest humidity are July and August, with an average relative humidity of 51%.Rainfall
In Frenchtown, in August, during 8.4 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. Throughout the year, there are 162.6 rainfall days, and 20.12" (511mm) of precipitation is accumulated.Snowfall
In Frenchtown, snow does not fall in June through August.Daylight
In August, the average length of the day is 14h and 10min.On the first day of August, sunrise is at 6:17 am and sunset at 9:09 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 8:17 pm MDT.
Sunshine
In Frenchtown, the average sunshine in August is 11.5h.UV index
The average daily maximum UV index in August is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 4 in August leads to these recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Frenchtown, MT
- Average high temperature in August: 79.3°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is December (28°F).
- Average low temperature in August: 46.4°F
The month with the highest average low temperature is August (46.4°F).
The coldest month (with the lowest average low temperature) is December (15.3°F).
Average pressure in August
Frenchtown, MT
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Frenchtown, MT
- Average wind speed in August: 3.9mph
The windiest month (with the highest average wind speed) is April (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in August
Frenchtown, MT
- Average humidity in August: 51%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are July and August (51%).
Average rainfall in August
Frenchtown, MT
- Average rainfall in August: 0.87"
The wettest month (with the highest rainfall) is April (2.44").
The driest month (with the least rainfall) is July (0.63").
Average rainfall days in August
Frenchtown, MT
- Average rainfall days in August: 8.4 days
The month with the highest number of rainy days is April (20 days).
The months with the least rainy days are July and August (8.4 days).
Average snowfall in August
Frenchtown, MT
- Average snowfall in August: 0"
The month with the highest snowfall is February (12.91").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Frenchtown, MT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (19.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Frenchtown, MT
- Average daylight in August: 14h and 12min
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 36min).
- Average sunshine in August: 11h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in August
Frenchtown, MT
- Average sunshine days in August: 18.8 days
The month with the most sunshine days is July (20.3 days).
The month with the least sunshine days is March (6.6 days).
Average UV index in August
Frenchtown, 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 January, February, November and December (UV index 1).
Average cloud cover in August
Frenchtown, MT
- Average cloud cover in August: 16
The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility in August
Frenchtown, 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, March and December (4mi).
