2025 Compare Climate & Weather:
Tempe, AZ vs Lewiston, ID

Highlights

On average, there are 169 sunny days per year in Lewiston. Tempe averages 300 sunny days per year. The US average is 205 sunny days.

Lewiston, Idaho gets 15.8 inches of rain, on average, per year. Tempe, Arizona gets 9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Lewiston averages 12.5 inches of snow per year. Tempe averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Lewiston, Idaho
Summer High: the July high is around 88.3 degrees
Winter Low: the January low is 28.5
Rain: averages 15.8 inches of rain a year
Snow: averages 12.5 inches of snow a year

Tempe, Arizona
Summer High: the July high is around 104.1 degrees
Winter Low: the January low is 41.5
Rain: averages 9 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Lewiston is 7.2 (10=best), which means it is one of the most pleasant places in Idaho.

The annual BestPlaces Comfort Index for Tempe is 7.4 (10=best), which means it is less comfortable than most places in Arizona.

Today's Weather - Tempe, AZ

101°F

Today's Weather - Lewiston, ID

82°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Tempe / Lewiston

July is the hottest month for Tempe with an average high temperature of 104.1°, which ranks it as warmer than most places in Arizona. In Tempe, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Tempe are March, November and February.

July is the hottest month for Lewiston with an average high temperature of 88.3°, which ranks it as warmer than most places in Idaho. In Lewiston, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Lewiston are September, June and May.

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

December has the coldest nighttime temperatures for Lewiston with an average of 27.1°. This is one of the warmest places in Idaho.

In Tempe, there are 164.9 days annually when the high temperature is over 90°, which is hotter than most places in Arizona.

In Lewiston, there are 36.8 days annually when the high temperature is over 90°, which is hotter than most places in Idaho.

In Tempe, there are 7.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Arizona.

In Lewiston, there are 88.5 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Idaho.

In Tempe, 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 Lewiston, there are 0.9 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Idaho.

August is the wettest month in Tempe with 1.2 inches of rain, and the driest month is June with 0.0 inches. The wettest season is Spring with 35% of yearly precipitation and 17% occurs in Summer, which is the driest season. The annual rainfall of 9.0 inches in Tempe means that it is drier than most places in Arizona.


November is the wettest month in Lewiston with 1.8 inches of rain, and the driest month is July with 0.7 inches. The wettest season is Summer with 31% of yearly precipitation and 17% occurs in Autumn, which is the driest season. The annual rainfall of 15.8 inches in Lewiston means that it is about average compared to other places in Idaho.

August is the rainiest month in Tempe with 4.7 days of rain, and June is the driest month with only 0.5 rainy days. There are 36.2 rainy days annually in Tempe, which is less rainy than most places in Arizona. The rainiest season is Spring when it rains 35% of the time and the driest is Summer with only a 18% chance of a rainy day.

November is the rainiest month in Lewiston with 12.8 days of rain, and August is the driest month with only 4.2 rainy days. There are 110.4 rainy days annually in Lewiston, which is rainier than most places in Idaho. The rainiest season is Spring when it rains 30% of the time and the driest is Autumn with only a 16% chance of a rainy day.

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

An annual snowfall of 12.5 inches in Lewiston means that it is one of the least snowy places in Idaho.

Any measurable snowfall is a rare occurance in Tempe.

December is the snowiest month in Lewiston with 4.5 inches of snow, and 5 months of the year have significant snowfall.