2025 Compare Climate & Weather:
Star, ID vs Norco, CA

Highlights

On average, there are 273 sunny days per year in Norco. Star averages 210 sunny days per year. The US average is 205 sunny days.

Norco, California gets 12.1 inches of rain, on average, per year. Star, Idaho gets 11.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Norco averages 0 inches of snow per year. Star averages 9.5 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Norco, California
Summer High: the July high is around 93.2 degrees
Winter Low: the January low is 41.7
Rain: averages 12.1 inches of rain a year
Snow: averages 0 inches of snow a year

Star, Idaho
Summer High: the July high is around 92 degrees
Winter Low: the January low is 22.6
Rain: averages 11.9 inches of rain a year
Snow: averages 9.5 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Norco is 8.7 (10=best), which means it is more comfortable than most places in California.

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

Today's Weather - Star, ID

74°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Star / Norco

July is the hottest month for Star with an average high temperature of 92.0°, which ranks it as one of the hottest places in Idaho. In Star, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Star are September, May and June.

August is the hottest month for Norco with an average high temperature of 94.8°, which ranks it as warmer than most places in California. In Norco, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Norco are April, May and November.

December has the coldest nighttime temperatures for Star with an average of 22.2°. This is warmer than most places in Idaho.

December has the coldest nighttime temperatures for Norco with an average of 40.5°. This is warmer than most places in California.

In Star, there are 52.5 days annually when the high temperature is over 90°, which is one of the hottest places in Idaho.

In Norco, there are 89.9 days annually when the high temperature is over 90°, which is hotter than most places in California.

In Star, there are 125.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Idaho.

In Norco, there are 5.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In Star, there are 2.6 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Idaho.

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

December is the wettest month in Star with 1.7 inches of rain, and the driest month is July with 0.3 inches. The wettest season is Spring with 35% of yearly precipitation and 11% occurs in Autumn, which is the driest season. The annual rainfall of 11.9 inches in Star means that it is drier than most places in Idaho.


February is the wettest month in Norco with 2.8 inches of rain, and the driest month is June with 0.1 inches. The wettest season is Spring with 59% of yearly precipitation and 2% occurs in Autumn, which is the driest season. The annual rainfall of 12.1 inches in Norco means that it is drier than most places in California.

November is the rainiest month in Star with 11.0 days of rain, and August is the driest month with only 2.3 rainy days. There are 85.3 rainy days annually in Star, which is less rainy than most places in Idaho. The rainiest season is Spring when it rains 35% of the time and the driest is Autumn with only a 12% chance of a rainy day.

February is the rainiest month in Norco with 6.1 days of rain, and August is the driest month with only 0.4 rainy days. There are 33.8 rainy days annually in Norco, which is less rainy than most places in California. The rainiest season is Spring when it rains 49% of the time and the driest is Autumn with only a 5% chance of a rainy day.

An annual snowfall of 9.5 inches in Star means that it is one of the least snowy places in Idaho.

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

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

Any measurable snowfall is a rare occurance in Norco.