2025 Compare Climate & Weather:
Lehi, UT vs Sunnyvale, CA

Highlights

On average, there are 260 sunny days per year in Sunnyvale. Lehi averages 228 sunny days per year. The US average is 205 sunny days.

Sunnyvale, California gets 15.4 inches of rain, on average, per year. Lehi, Utah gets 14.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Sunnyvale averages 0 inches of snow per year. Lehi averages 33.4 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Sunnyvale, California
Summer High: the July high is around 80.3 degrees
Winter Low: the January low is 42.3
Rain: averages 15.4 inches of rain a year
Snow: averages 0 inches of snow a year

Lehi, Utah
Summer High: the July high is around 92.7 degrees
Winter Low: the January low is 20.4
Rain: averages 14.9 inches of rain a year
Snow: averages 33.4 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Lehi is 7.2 (10=best), which means it is more comfortable than most places in Utah.

Today's Weather - Lehi, UT

61°F

Today's Weather - Sunnyvale, CA

67°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Lehi / Sunnyvale

July is the hottest month for Lehi with an average high temperature of 92.7°, which ranks it as warmer than most places in Utah. In Lehi, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Lehi are September, May and June.

August is the hottest month for Sunnyvale with an average high temperature of 80.3°, which ranks it as cooler than most places in California. In Sunnyvale, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sunnyvale are June, September and July.

January has the coldest nighttime temperatures for Lehi with an average of 20.4°. This is warmer than most places in Utah.

December has the coldest nighttime temperatures for Sunnyvale with an average of 42.2°. This is warmer than most places in California.

In Lehi, there are 51.3 days annually when the high temperature is over 90°, which is hotter than most places in Utah.

In Sunnyvale, there are 13.3 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Lehi, there are 126.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Utah.

In Sunnyvale, there are 2.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In Lehi, there are 2.0 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Utah.

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

May is the wettest month in Lehi with 1.7 inches of rain, and the driest month is July with 0.6 inches. The wettest season is Summer with 30% of yearly precipitation and 16% occurs in Autumn, which is the driest season. The annual rainfall of 14.9 inches in Lehi means that it is about average compared to other places in Utah.


February is the wettest month in Sunnyvale with 3.1 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 56% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 15.4 inches in Sunnyvale means that it is drier than most places in California.

March is the rainiest month in Lehi with 8.2 days of rain, and July is the driest month with only 4.1 rainy days. There are 80.4 rainy days annually in Lehi, which is about average compared to other places in Utah. The rainiest season is Summer when it rains 30% of the time and the driest is Autumn with only a 18% chance of a rainy day.

December is the rainiest month in Sunnyvale with 10.5 days of rain, and July is the driest month with only 0.2 rainy days. There are 62.6 rainy days annually in Sunnyvale, which is rainier 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 2% chance of a rainy day.

An annual snowfall of 33.4 inches in Lehi means that it is less snowy than most places in Utah.

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

January is the snowiest month in Lehi with 9.1 inches of snow, and 7 months of the year have significant snowfall.

Any measurable snowfall is a rare occurance in Sunnyvale.