2025 Compare Climate & Weather:
Helena, MT vs Tahoe Vista, CA

Highlights

On average, there are 248 sunny days per year in Tahoe Vista. Helena averages 189 sunny days per year. The US average is 205 sunny days.

Tahoe Vista, California gets 28.2 inches of rain, on average, per year. Helena, Montana gets 12.6 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Tahoe Vista averages 145.5 inches of snow per year. Helena averages 42.1 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Tahoe Vista, California
Summer High: the July high is around 78.2 degrees
Winter Low: the January low is 19.2
Rain: averages 28.2 inches of rain a year
Snow: averages 145.5 inches of snow a year

Helena, Montana
Summer High: the July high is around 83.4 degrees
Winter Low: the January low is 13.8
Rain: averages 12.6 inches of rain a year
Snow: averages 42.1 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Tahoe Vista is 6.5 (10=best), which means it is one of the least comfortable places in California.

The annual BestPlaces Comfort Index for Helena is 6.6 (10=best), which means it is about average compared to other places in Montana.

Today's Weather - Helena, MT

56°F

Today's Weather - Tahoe Vista, CA

41°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Helena / Tahoe Vista

July is the hottest month for Helena with an average high temperature of 83.4°, which ranks it as cooler than most places in Montana. In Helena, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Helena are June, August and July.

July is the hottest month for Tahoe Vista with an average high temperature of 78.2°, which ranks it as cooler than most places in California. In Tahoe Vista, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Tahoe Vista are August, July and September.

December has the coldest nighttime temperatures for Helena with an average of 13.6°. This is about average compared to other places in Montana.

January has the coldest nighttime temperatures for Tahoe Vista with an average of 19.2°. This is one of the coldest places in California.

In Helena, there are 15.5 days annually when the high temperature is over 90°, which is cooler than most places in Montana.

In Tahoe Vista, there are 0.6 days annually when the high temperature is over 90°, which is one of the coolest places in California.

In Helena, there are 170.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Montana.

In Tahoe Vista, there are 205.1 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in California.

In Helena, there are 16.6 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Montana.

In Tahoe Vista, there are 4.0 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in California.

June is the wettest month in Helena with 2.1 inches of rain, and the driest month is January with 0.4 inches. The wettest season is Autumn with 37% of yearly precipitation and 10% occurs in Spring, which is the driest season. The annual rainfall of 12.6 inches in Helena means that it is drier than most places in Montana.


December is the wettest month in Tahoe Vista with 4.9 inches of rain, and the driest month is July with 0.3 inches. The wettest season is Spring with 49% of yearly precipitation and 5% occurs in Autumn, which is the driest season. The annual rainfall of 28.2 inches in Tahoe Vista means that it is wetter than most places in California.

May is the rainiest month in Helena with 11.0 days of rain, and February is the driest month with only 5.5 rainy days. There are 89.6 rainy days annually in Helena, which is about average compared to other places in Montana. The rainiest season is Summer when it rains 29% of the time and the driest is Spring with only a 21% chance of a rainy day.

December is the rainiest month in Tahoe Vista with 9.2 days of rain, and July is the driest month with only 1.6 rainy days. There are 71.0 rainy days annually in Tahoe Vista, which is rainier than most places in California. The rainiest season is Spring when it rains 38% of the time and the driest is Autumn with only a 10% chance of a rainy day.

An annual snowfall of 42.1 inches in Helena means that it is about average compared to other places in Montana.

An annual snowfall of 145.5 inches in Tahoe Vista means that it is one of the snowiest places in California.

March is the snowiest month in Helena with 7.4 inches of snow, and 9 months of the year have significant snowfall.

February is the snowiest month in Tahoe Vista with 31.8 inches of snow, and 8 months of the year have significant snowfall.