2025 Compare Climate & Weather:
Scottsdale, AZ vs Lake Forest, CA

Highlights

On average, there are 279 sunny days per year in Lake Forest. Scottsdale averages 299 sunny days per year. The US average is 205 sunny days.

Lake Forest, California gets 14.2 inches of rain, on average, per year. Scottsdale, Arizona gets 10.5 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Lake Forest averages 0 inches of snow per year. Scottsdale averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Lake Forest, California
Summer High: the July high is around 85.3 degrees
Winter Low: the January low is 45.2
Rain: averages 14.2 inches of rain a year
Snow: averages 0 inches of snow a year

Scottsdale, Arizona
Summer High: the July high is around 104.3 degrees
Winter Low: the January low is 42.4
Rain: averages 10.5 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Scottsdale is 7.3 (10=best), which means it is less comfortable than most places in Arizona.

Today's Weather - Scottsdale, AZ

67°F

Today's Weather - Lake Forest, CA

60°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Scottsdale / Lake Forest

July is the hottest month for Scottsdale with an average high temperature of 104.3°, which ranks it as warmer than most places in Arizona. In Scottsdale, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Scottsdale are March, November and April.

August is the hottest month for Lake Forest with an average high temperature of 87.0°, which ranks it as cooler than most places in California. In Lake Forest, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Lake Forest are October, June and May.

December has the coldest nighttime temperatures for Scottsdale with an average of 41.6°. This is warmer than most places in Arizona.

December has the coldest nighttime temperatures for Lake Forest with an average of 44.5°. This is warmer than most places in California.

In Scottsdale, there are 160.2 days annually when the high temperature is over 90°, which is hotter than most places in Arizona.

In Lake Forest, there are 36.8 days annually when the high temperature is over 90°, which is about average compared to other places in California.

In Scottsdale, there are 4.5 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Arizona.

In Lake Forest, there are 1.9 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

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

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

August is the wettest month in Scottsdale with 1.3 inches of rain, and the driest month is June with 0.1 inches. The wettest season is Spring with 36% of yearly precipitation and 18% occurs in Summer, which is the driest season. The annual rainfall of 10.5 inches in Scottsdale means that it is about average compared to other places in Arizona.


February is the wettest month in Lake Forest with 3.5 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 14.2 inches in Lake Forest means that it is drier than most places in California.

August is the rainiest month in Scottsdale with 5.1 days of rain, and June is the driest month with only 0.5 rainy days. There are 37.7 rainy days annually in Scottsdale, which is less rainy than most places in Arizona. The rainiest season is Spring when it rains 34% of the time and the driest is Summer with only a 19% chance of a rainy day.

February is the rainiest month in Lake Forest with 6.3 days of rain, and August is the driest month with only 0.4 rainy days. There are 36.5 rainy days annually in Lake Forest, 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.

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

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

Any measurable snowfall is a rare occurance in Scottsdale.

Any measurable snowfall is a rare occurance in Lake Forest.