August weather forecastBig Timber, MT
August
Weather in August
August remains a summer month for Big Timber with high temperatures, longer sunshine duration, and lower relative humidity. However, there is a slight decrease in average temperatures compared with July and a marginal increase in rainfall. Despite the slight downturn in weather factors, the warm sunshine still encourages many outdoor activities. From water sports to lush green landscaping, August offers nature lovers innumerable scenes to relish. A slight decrease in daylight hours is noticeable though, hinting at the fast-approaching autumn season.Temperature
Big Timber's average high-temperature in August is a still warm 76.6°F (24.8°C), indicating a subtle variation from July. The nighttime temperature during August displays a significant divergence from daily peaks, averaging at a fresh 52.9°F (11.6°C).Humidity
August is the least humid month, with an average relative humidity of 47%.Rainfall
In Big Timber, in August, during 12.3 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. In Big Timber, during the entire year, the rain falls for 129.6 days and collects up to 15.83" (402mm) of precipitation.Snowfall
In Big Timber, snow does not fall in June through August.Daylight
In August, the average length of the day is 14h and 4min.On the first day of the month, sunrise is at 6:03 am and sunset at 8:48 pm. On the last day of August, sunrise is at 6:40 am and sunset at 7:59 pm MDT.
Sunshine
In Big Timber, the average sunshine in August is 11.5h.UV index
In Big Timber, Montana, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In August, a daily UV index of 5 turns into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Big Timber, MT
- Average high temperature in August: 76.6°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is December (28.4°F).
- Average low temperature in August: 52.9°F
The month with the highest average low temperature is August (52.9°F).
The coldest month (with the lowest average low temperature) is February (15.3°F).
Average pressure in August
Big Timber, MT
- Average pressure in August: 29.94"Hg
The months with the highest atmospheric pressure are January and December (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in August
Big Timber, MT
- Average wind speed in August: 6mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in August
Big Timber, MT
- Average humidity in August: 47%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is August (47%).
Average rainfall in August
Big Timber, MT
- Average rainfall in August: 1.22"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in August
Big Timber, MT
- Average rainfall days in August: 12.3 days
The month with the highest number of rainy days is May (19.8 days).
The months with the least rainy days are January and December (5.3 days).
Average snowfall in August
Big Timber, MT
- Average snowfall in August: 0"
The month with the highest snowfall is March (7.09").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Big Timber, MT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (12.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Big Timber, 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 30min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 12min).
Average sunshine days in August
Big Timber, MT
- Average sunshine days in August: 14.3 days
The month with the most sunshine days is January (19.8 days).
The month with the least sunshine days is May (7.7 days).
Average UV index in August
Big Timber, MT
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in August
Big Timber, MT
- Average cloud cover in August: 16
The month with the most cloud cover is February (Cloud cover 41).
The months with the least cloud cover are July and August (Cloud cover 16).
Average visibility in August
Big Timber, MT
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
