World Resorts USA Big Sky

Big Sky Monthly Weather Averages

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 78.3°F. The average nightly temp is 56.0°F.

Precipitation total, in.

July is the month with least precipitations during the year. The average precipitation totals for this month is 0.2 in. The month with most precipitation total is May.

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

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: 02:11
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