Weather in Big Sky: August
| Average day temperature: | 75.0°F | |
| Average night temperature: | 55.4°F | |
| Number of sunny days: | 22 days | |
| Day length: | 13.3 - 14.7 hours | |
| Number of rainy days: | 1 day | |
| Precipitation totals: | 0.7 in. | |
| more information | ||
14 days
forecast
forecast
| Big Sky |
weather in
September
September
| Big Sky |
Air temperature in August, °F
Show year:
2025
2024
2023
The highest day temperature during August of 2025 was 79°F. At the same time the lowest night temperature was 42°F. Daily and nightly averages during August were 67.4°F and 54.7°F.
Sunny, partly cloudy and cloudy days
Mostly all days in August are sunny but cloudy days are also possible.
Precipitation total in August, in.
Precipitation total value in Big Sky in August is 0.7 in. Other months of the year show relatively similar values.
Wind speed in August, mph
The average wind speed value in August is 5.2 mph
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 10.3.
Best time for vacation in Big Sky
Big Sky on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Big Sky
Local time: 06:08
January 03, saturday
0900

30°F
N
8 mph
8 mph
1200

30°F
N
7 mph
7 mph
1500

30°F
N
7 mph
7 mph
1800

30°F
N
7 mph
7 mph
2100

28°F
N
6 mph
6 mph
January 04, sunday
0000

28°F
N
7 mph
7 mph
0300

28°F
N
7 mph
7 mph
0600

28°F
N
6 mph
6 mph





























