Bozeman

Montana Weather in October

Average temperatures, rainfall, sunshine and the best places to visit in Montana, the United States of America in October.

Considering a trip to Montana, the United States of America this October and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in Montana in October

Montana, the United States of America is a region in the United States of America. October in Montana generally has temperatures that range from cold to mild, with precipitation levels ranging from low to moderate.

Temperatures

Based on our climate data spanning from 1990-2020, the average maximum temperature is cold in Big Sky at 10°C (50°F) to mild in Hardin at 18°C (64°F). Nighttime temperatures generally drop to 2°C (36°F) in Hardin and -2°C (28°F) in Big Sky.

To explore the conditions in Montana, the United States of America in more detail, check the map below.

Precipitation

In October, precipitation varies across different areas. From low snow/rainfall in Chester with an average of 17 mm (0.7 in) to moderate snow/rainfall in Big Sky with 59 mm (2.3 in).

Explore Montana by month

Pick a month to see the average temperature, rainfall and sunshine in Montana — and find the best time to visit. (based on Whitefish)

Best Places to Visit in Montana in October

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Montana.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Montana

What is the weather like in October for some of the most popular destinations in Montana, the United States of America?

Temperature range in Montana (October)

Precipitation variation in Montana (October)

Whitefish

In October Whitefish generally has moderate temperatures with maximum daytime temperatures around 13°C (55°F), minimum nighttime temperatures around -1°C (30°F) and moderate monthly snow/rainfall. So on average the conditions are unpleasant that month.

September
October
November
Max temperature
22°C (72°F)
13°C (55°F)
4°C (39°F)
Min temperature
4°C (39°F)
-1°C (30°F)
-5°C (23°F)
Monthly snow/rainfall
31 mm (1.2 in)
36 mm (1.4 in)
48 mm (1.9 in)
Monthly rainy days
9 days
12 days
15 days
Weather conditions

Billings

In October Billings generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 2°C (36°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

September
October
November
Max temperature
25°C (77°F)
17°C (63°F)
9°C (48°F)
Min temperature
8°C (46°F)
2°C (36°F)
-4°C (25°F)
Monthly sun hours
256 hours
203 hours
128 hours
Monthly rainfall
37 mm (1.5 in)
45 mm (1.8 in)
15 mm (0.6 in)
Monthly rainy days
7 days
8 days
5 days
Weather conditions

Bozeman

In October Bozeman generally has moderate temperatures with maximum daytime temperatures around 15°C (59°F), minimum nighttime temperatures around 1°C (34°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

September
October
November
Max temperature
23°C (73°F)
15°C (59°F)
6°C (43°F)
Min temperature
6°C (43°F)
1°C (34°F)
-5°C (23°F)
Monthly rainfall
35 mm (1.4 in)
47 mm (1.9 in)
36 mm (1.4 in)
Monthly rainy days
9 days
11 days
9 days
Weather conditions

Great Falls

In October Great Falls generally has moderate temperatures with maximum daytime temperatures around 15°C (59°F), minimum nighttime temperatures around 2°C (36°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

September
October
November
Max temperature
23°C (73°F)
15°C (59°F)
7°C (45°F)
Min temperature
7°C (45°F)
2°C (36°F)
-4°C (25°F)
Monthly sun hours
255 hours
202 hours
126 hours
Monthly rainfall
35 mm (1.4 in)
31 mm (1.2 in)
18 mm (0.7 in)
Monthly rainy days
7 days
7 days
6 days
Weather conditions

Helena

In October Helena generally has moderate temperatures with maximum daytime temperatures around 14°C (57°F), minimum nighttime temperatures around 1°C (34°F) and low monthly rainfall. So on average the conditions are pleasant that month.

September
October
November
Max temperature
22°C (72°F)
14°C (57°F)
6°C (43°F)
Min temperature
6°C (43°F)
1°C (34°F)
-5°C (23°F)
Monthly sun hours
254 hours
202 hours
118 hours
Monthly rainfall
34 mm (1.3 in)
27 mm (1.1 in)
26 mm (1 in)
Monthly rainy days
9 days
12 days
13 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Montana, in the United States of America.

Popular cities in October

Day & night temperatures, rainfall and average weather in Montana in October.

City Weather Day temp Night temp Rainfall
Whitefish 13°C (55°F) -1°C (30°F) 36 mm (1.4 in)
Billings 17°C (63°F) 2°C (36°F) 45 mm (1.8 in)
Bozeman 15°C (59°F) 1°C (34°F) 47 mm (1.9 in)
Great Falls 15°C (59°F) 2°C (36°F) 31 mm (1.2 in)
Helena 14°C (57°F) 1°C (34°F) 27 mm (1.1 in)
Red Lodge 13°C (55°F) 1°C (34°F) 59 mm (2.3 in)

Montana weather in October: frequently asked questions

What is the weather like in Montana, the United States of America in October?

In October, Montana, the United States of America generally has unpleasant weather conditions. Whitefish sees daytime temperatures near 13°C (55°F), with nights cooling to roughly -1°C (30°F).

What is the average temperature in Montana, the United States of America in October?

In Whitefish, the average daytime high in October is 13°C (55°F), while nighttime temperatures drop to around -1°C (30°F).

Does Montana, the United States of America get a lot of snow/rain in October?

October is on the drier side in Montana, the United States of America. Whitefish averages only about 36 mm (1.4 in), with most days staying dry.

Is October a Good Time to Visit Montana, the United States of America?

In our view, October might not be the best time to travel to Montana, the United States of America with often unpleasant weather in Whitefish.

Generally speaking, June, July, August and September provide perfect weather in Whitefish. In contrast, January, February, March, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Montana.

Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.