2025 Compare Climate & Weather:
Vista, CA vs Nampa, ID

Highlights

On average, there are 207 sunny days per year in Nampa. Vista averages 258 sunny days per year. The US average is 205 sunny days.

Nampa, Idaho gets 10.7 inches of rain, on average, per year. Vista, California gets 13 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Nampa averages 9.2 inches of snow per year. Vista averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Nampa, Idaho
Summer High: the July high is around 91.3 degrees
Winter Low: the January low is 23.6
Rain: averages 10.7 inches of rain a year
Snow: averages 9.2 inches of snow a year

Vista, California
Summer High: the July high is around 80.5 degrees
Winter Low: the January low is 44.5
Rain: averages 13 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Nampa is 7.3 (10=best), which means it is one of the most pleasant places in Idaho.

The annual BestPlaces Comfort Index for Vista is 9.1 (10=best), which means it is one of the most pleasant places in California.

Today's Weather - Vista, CA

63°F

Today's Weather - Nampa, ID

82°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Vista / Nampa

August is the hottest month for Vista with an average high temperature of 82.2°, which ranks it as cooler than most places in California. In Vista, there are 8 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Vista are October, June and July.

July is the hottest month for Nampa with an average high temperature of 91.3°, which ranks it as warmer than most places in Idaho. In Nampa, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Nampa are September, May and June.

December has the coldest nighttime temperatures for Vista with an average of 43.8°. This is warmer than most places in California.

December has the coldest nighttime temperatures for Nampa with an average of 22.7°. This is warmer than most places in Idaho.

In Vista, there are 23.1 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Nampa, there are 47.8 days annually when the high temperature is over 90°, which is hotter than most places in Idaho.

In Vista, there are 3.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In Nampa, there are 116.6 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Idaho.

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

In Nampa, there are 2.8 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Idaho.

February is the wettest month in Vista with 2.8 inches of rain, and the driest month is June with 0.1 inches. The wettest season is Spring with 57% of yearly precipitation and 2% occurs in Autumn, which is the driest season. The annual rainfall of 13.0 inches in Vista means that it is drier than most places in California.


December is the wettest month in Nampa with 1.5 inches of rain, and the driest month is July with 0.3 inches. The wettest season is Spring with 33% of yearly precipitation and 12% occurs in Autumn, which is the driest season. The annual rainfall of 10.7 inches in Nampa means that it is drier than most places in Idaho.

February is the rainiest month in Vista with 7.3 days of rain, and July is the driest month with only 0.5 rainy days. There are 41.6 rainy days annually in Vista, which is less rainy than most places in California. The rainiest season is Spring when it rains 48% of the time and the driest is Autumn with only a 4% chance of a rainy day.

December is the rainiest month in Nampa with 10.4 days of rain, and July is the driest month with only 2.3 rainy days. There are 80.1 rainy days annually in Nampa, which is less rainy than most places in Idaho. The rainiest season is Spring when it rains 34% of the time and the driest is Autumn with only a 12% chance of a rainy day.

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

An annual snowfall of 9.2 inches in Nampa means that it is one of the least snowy places in Idaho.

Any measurable snowfall is a rare occurance in Vista.

December is the snowiest month in Nampa with 4.0 inches of snow, and 4 months of the year have significant snowfall.