2025 Compare Climate & Weather:
Whitefish, MT vs Ontario, CA

Highlights

On average, there are 279 sunny days per year in Ontario. Whitefish averages 151 sunny days per year. The US average is 205 sunny days.

Ontario, California gets 15.7 inches of rain, on average, per year. Whitefish, Montana gets 18.4 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Ontario averages 0 inches of snow per year. Whitefish averages 72.7 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Ontario, California
Summer High: the July high is around 91.9 degrees
Winter Low: the January low is 42.6
Rain: averages 15.7 inches of rain a year
Snow: averages 0 inches of snow a year

Whitefish, Montana
Summer High: the July high is around 80.7 degrees
Winter Low: the January low is 16.2
Rain: averages 18.4 inches of rain a year
Snow: averages 72.7 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Ontario is 8.8 (10=best), which means it is more comfortable than most places in California.

The annual BestPlaces Comfort Index for Whitefish is 6.2 (10=best), which means it is less comfortable than most places in Montana.

Today's Weather - Whitefish, MT

56°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Whitefish / Ontario

August is the hottest month for Whitefish with an average high temperature of 80.8°, which ranks it as cooler than most places in Montana. In Whitefish, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Whitefish are July, August and June.

August is the hottest month for Ontario with an average high temperature of 93.4°, which ranks it as warmer than most places in California. In Ontario, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Ontario are May, October and April.

January has the coldest nighttime temperatures for Whitefish with an average of 16.2°. This is warmer than most places in Montana.

December has the coldest nighttime temperatures for Ontario with an average of 41.4°. This is warmer than most places in California.

In Whitefish, there are 9.3 days annually when the high temperature is over 90°, which is cooler than most places in Montana.

In Ontario, there are 79.5 days annually when the high temperature is over 90°, which is hotter than most places in California.

In Whitefish, there are 181.1 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Montana.

In Ontario, there are 3.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In Whitefish, there are 9.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Montana.

In Ontario, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in California.

June is the wettest month in Whitefish with 2.8 inches of rain, and the driest month is February with 1.1 inches. The wettest season is Autumn with 30% of yearly precipitation and 22% occurs in Winter, which is the driest season. The annual rainfall of 18.4 inches in Whitefish means that it is wetter than most places in Montana.


February is the wettest month in Ontario with 3.8 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 60% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 15.7 inches in Ontario means that it is drier than most places in California.

June is the rainiest month in Whitefish with 12.6 days of rain, and August is the driest month with only 6.7 rainy days. There are 119.7 rainy days annually in Whitefish, which is rainier than most places in Montana. The rainiest season is Spring when it rains 28% of the time and the driest is Autumn with only a 22% chance of a rainy day.

February is the rainiest month in Ontario with 5.7 days of rain, and July is the driest month with only 0.2 rainy days. There are 30.5 rainy days annually in Ontario, which is one of the least rainy places in California. The rainiest season is Spring when it rains 50% of the time and the driest is Autumn with only a 4% chance of a rainy day.

An annual snowfall of 72.7 inches in Whitefish means that it is snowier than most places in Montana.

There is rarely any recorded snowfall in Ontario, ranking it as one of the least snowy places in California.

December is the snowiest month in Whitefish with 21.8 inches of snow, and 7 months of the year have significant snowfall.

Any measurable snowfall is a rare occurance in Ontario.