World Resorts USA Big Sky Weather

Autumn weather in Big Sky

Weather in Big Sky in Autumn

September October November
Average day temperature:
Average day temperature: 68.1°F 50.7°F 34.6°F
Average night temperature:
Average night temperature: 49.2°F 36.8°F 23.9°F
Number of sunny days:
Number of sunny days: 19 days 16 days 9 days
Day length:
Day length: 11.7 - 13.2 h. 10.2 - 11.7 h. 9.0 - 10.1 h.
Number of rainy days:
Number of rainy days: 2 days 2 days 0 days
Precipitation totals:
Precipitation totals: 1.3 in. 1.2 in. 0.9 in.

Day & Night air temperature, °F

Precipitation total, in.

Sunny, partly cloudy and cloudy days
Wind speed, mph
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.

Best time for vacation in Big Sky

Sunniest months:
July 22 days
August 21 days
September 19 days
Warmest months:
July 78.3 °F
August 76.5 °F
September 68.1 °F
Coldest months:
February 24.3 °F
January 25.7 °F
December 27.3 °F
Rainiest months:
June 3 days
May 3 days
September 2 days
Windiest months:
June 5.5 mph
April 5.4 mph
September 5.4 mph

Big Sky on a weather map

Big Sky
+28°F
NE 7 mph
Feels like: +19°F
Precip.: 100%
Places in USA:
Name
°F
+16°F
+25°F
+75°F
+75°F
+54°F
+54°F
+63°F
+21°F
+52°F
+54°F
+54°F
+50°F
+48°F
+46°F
+23°F
24 Hours Forecast
Big Sky
Local time: 02:28
December 22, sunday
0300
28°F
NE
7 mph
0600
28°F
NE
6 mph
0900
27°F
N
6 mph
1200
28°F
N
6 mph
1500
28°F
NE
6 mph
1800
28°F
N
4 mph
2100
25°F
N
5 mph
December 23, monday
0000
25°F
N
6 mph
Units of measurement: °C / °F