Please click on any column to get detailed information about Big Sky weather in that particular month. You will get daily weather information for that month for the last several years.
Day & Night air temperature, °F
The warmest month in Big Sky is july. The average daily temp is 76.4°F. The average nightly temp is 55.6°F.
Precipitation total, in.
Number of rainy days
This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.
Wind speed, mph
Sunny, partly cloudy and cloudy days
Average sunny hours
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
* Charts above show average data for the last 3 years.
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: 04:09
September 19, saturday
0600
41°F
N
1 mph
1 mph
0900
46°F
S
2 mph
2 mph
1200
50°F
SE
2 mph
2 mph
1500
45°F
SE
3 mph
3 mph
1800
43°F
N
2 mph
2 mph
2100
41°F
NW
2 mph
2 mph
September 20, sunday
0000
43°F
S
1 mph
1 mph
0300
43°F
SE
2 mph
2 mph
