World Resorts USA Big Sky Weather

Big Sky weather in July

Weather in Big Sky: July

Average day temperature: 76.4°F
Average night temperature: 55.6°F
Number of sunny days: 21 days
Day length: 14.7 - 15.6 hours
Number of rainy days: 1 day
Precipitation totals: 0.5 in.

Air temperature in July, °F

Show year:
2026
2025
2024

The highest day temperature during July of 2026 was 86°F. At the same time the lowest night temperature was 41°F. Daily and nightly averages during July were 74.6°F and 54.5°F.

Sunny, partly cloudy and cloudy days

Mostly all days in July are sunny but cloudy days are also possible.

Precipitation total in July, in.

Precipitation total value in Big Sky in July is 0.5 in. Other months of the year show relatively similar values.

Wind speed in July, mph

The average wind speed value in July 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 July is: 11.8.

Best time for vacation in Big Sky

Sunniest months:
July 21 days
August 20 days
September 19 days
Warmest months:
July 76.4 °F
August 74.3 °F
September 67.1 °F
Coldest months:
January 25.0 °F
February 25.1 °F
December 27.8 °F
Rainiest months:
June 3 days
May 3 days
October 2 days
Windiest months:
June 5.4 mph
April 5.3 mph
August 5.2 mph

Big Sky on a weather map

Big Sky
+41°F
N 2 mph
Feels like: +41°F
Precip.: 38%
Places in USA:
Name
°F
+55°F
+64°F
+79°F
+77°F
+70°F
+81°F
+63°F
+63°F
+68°F
+59°F
+68°F
+73°F
+79°F
+63°F
24 Hours Forecast
Big Sky
Local time: 04:09
September 19, saturday
0600
41°F
N
1 mph
0900
46°F
S
2 mph
1200
50°F
SE
2 mph
1500
45°F
SE
3 mph
1800
43°F
N
2 mph
2100
41°F
NW
2 mph
September 20, sunday
0000
43°F
S
1 mph
0300
43°F
SE
2 mph
Units of measurement: °C / °F