World Resorts USA Great Falls

Great Falls Monthly Weather Averages

Please click on any column to get detailed information about Great Falls 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 Great Falls is july. The average daily temp is 83.9°F. The average nightly temp is 60.9°F.

Precipitation total, in.

December is the month with least precipitations during the year. The average precipitation totals for this month is 0.3 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 Great Falls

Sunniest months:
July 22 days
August 21 days
September 21 days
Warmest months:
July 83.9 °F
August 81.7 °F
September 74.4 °F
Coldest months:
February 28.7 °F
January 30.3 °F
December 33.0 °F
Rainiest months:
May 3 days
June 2 days
September 1 day
Windiest months:
November 9.7 mph
February 9.3 mph
January 9.0 mph

Great Falls on a weather map

Great Falls
+39°F
NE 4 mph
Feels like: +32°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+77°F
+77°F
+45°F
+55°F
+70°F
+77°F
+70°F
+25°F
+57°F
+48°F
+63°F
+63°F
+46°F
+9°F
24 Hours Forecast
Great Falls
Local time: 21:10
December 05, friday
0000
37°F
E
2 mph
0300
36°F
NE
6 mph
0600
30°F
NE
3 mph
0900
23°F
N
3 mph
1200
30°F
NE
3 mph
1500
36°F
E
2 mph
1800
32°F
W
2 mph
2100
32°F
S
1 mph
Units of measurement: °C / °F