Bozeman

Montana Weather in August

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

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Whitefish Billings Bozeman Great Falls

Planning a trip to Montana, the United States of America this August? Here's what you need to know about the weather:

What to Expect in Montana in August

Montana, the United States of America is a region in the United States of America. Montana, the United States of America offers a broad spectrum of weather patterns. In August, one might encounter temperatures that range from warm to very warm, and precipitation levels ranging from low to moderate. It's the height of summer.

Temperatures

During the day the temperature is warm in Big Sky at 23°C (73°F) and very warm in Hardin at 32°C (90°F). As night falls, temperatures generally drop to 13°C (55°F) in Hardin and 6°C (43°F) in Big Sky.

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

Precipitation

In August, precipitation varies across different areas. From low rainfall in Libby with an average of 16 mm (0.6 in) to moderate rainfall in Lewistown with 53 mm (2.1 in). In Whitefish, this particular month consistently records the lowest levels of rainfall, making it the driest period throughout the entire year.

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)

January0°C (32°F) February2°C (36°F) March7°C (45°F) April13°C (55°F) May18°C (64°F) June22°C (72°F) This monthJuly29°C (84°F) August28°C (82°F) September22°C (72°F) October13°C (55°F) November4°C (39°F) December-1°C (30°F)
Best Time to Visit Montana →

Best Places to Visit in Montana in August

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

Conditions Temperatures Precipitation
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 August for some of the most popular destinations in Montana, the United States of America?

Temperature range in Montana (August)

Precipitation variation in Montana (August)

Whitefish

In August Whitefish generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 8°C (46°F) and low monthly rainfall. So on average the conditions are perfect that month.

« July
August
September »
July
August
September
Max temperature
29°C (84°F)
28°C (82°F)
22°C (72°F)
Min temperature
10°C (50°F)
8°C (46°F)
4°C (39°F)
Monthly rainfall
31 mm (1.2 in)
27 mm (1.1 in)
31 mm (1.2 in)
Monthly rainy days
9 days
8 days
9 days
Weather conditions
perfect
perfect
perfect
Climate in Whitefish →

Billings

In August Billings generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 13°C (55°F) and low monthly rainfall. So on average the conditions are perfect that month.

« July
August
September »
July
August
September
Max temperature
32°C (90°F)
31°C (88°F)
25°C (77°F)
Min temperature
15°C (59°F)
13°C (55°F)
8°C (46°F)
Monthly sun hours
355 hours
329 hours
256 hours
Monthly rainfall
27 mm (1.1 in)
27 mm (1.1 in)
37 mm (1.5 in)
Monthly rainy days
8 days
6 days
7 days
Weather conditions
perfect
perfect
perfect
Climate in Billings →

Bozeman

In August Bozeman generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 10°C (50°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« July
August
September »
July
August
September
Max temperature
29°C (84°F)
28°C (82°F)
23°C (73°F)
Min temperature
11°C (52°F)
10°C (50°F)
6°C (43°F)
Monthly rainfall
31 mm (1.2 in)
33 mm (1.3 in)
35 mm (1.4 in)
Monthly rainy days
9 days
9 days
9 days
Weather conditions
perfect
perfect
perfect
Climate in Bozeman →

Great Falls

In August Great Falls generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 11°C (52°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« July
August
September »
July
August
September
Max temperature
30°C (86°F)
29°C (84°F)
23°C (73°F)
Min temperature
12°C (54°F)
11°C (52°F)
7°C (45°F)
Monthly sun hours
376 hours
328 hours
255 hours
Monthly rainfall
29 mm (1.1 in)
31 mm (1.2 in)
35 mm (1.4 in)
Monthly rainy days
7 days
7 days
7 days
Weather conditions
perfect
perfect
perfect
Climate in Great Falls →

Helena

In August Helena generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 10°C (50°F) and low monthly rainfall. So on average the conditions are perfect that month.

« July
August
September »
July
August
September
Max temperature
29°C (84°F)
28°C (82°F)
22°C (72°F)
Min temperature
12°C (54°F)
10°C (50°F)
6°C (43°F)
Monthly sun hours
370 hours
324 hours
254 hours
Monthly rainfall
29 mm (1.1 in)
28 mm (1.1 in)
34 mm (1.3 in)
Monthly rainy days
10 days
9 days
9 days
Weather conditions
perfect
perfect
perfect
Climate in Helena →

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

Popular cities in August

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

City Weather Day temp Night temp Rainfall
Whitefish 28°C (82°F) 8°C (46°F) 27 mm (1.1 in)
Billings 31°C (88°F) 13°C (55°F) 27 mm (1.1 in)
Bozeman 28°C (82°F) 10°C (50°F) 33 mm (1.3 in)
Great Falls 29°C (84°F) 11°C (52°F) 31 mm (1.2 in)
Helena 28°C (82°F) 10°C (50°F) 28 mm (1.1 in)
Red Lodge 26°C (79°F) 11°C (52°F) 31 mm (1.2 in)

Montana weather in August: frequently asked questions

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

Montana, the United States of America typically experiences perfect weather in August, part of the summer season. Daytime highs in Whitefish average around 28°C (82°F), and temperatures drop to about 8°C (46°F) at night.

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

Average temperatures in Montana, the United States of America during August range from a nighttime low near 8°C (46°F) to a daytime high around 28°C (82°F) in Whitefish.

Does Montana, the United States of America get a lot of rain in August?

August is on the drier side in Montana, the United States of America. Whitefish averages only about 27 mm (1.1 in), with most days staying dry.

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

We believe that August is one of the best times to visit Montana, the United States of America with overall perfect weather in Whitefish.

On average, the best time to visit Montana, the United States of America is in June, July, August and September with generally perfect weather in Whitefish. On the other hand, the weather in January, February, March, November and December tend to be poor.

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.

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