2025 Compare Climate & Weather:
Lewiston, ID vs Reno, NV

Highlights

On average, there are 252 sunny days per year in Reno. Lewiston averages 169 sunny days per year. The US average is 205 sunny days.

Reno, Nevada gets 8.9 inches of rain, on average, per year. Lewiston, Idaho gets 15.8 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Reno averages 21.9 inches of snow per year. Lewiston averages 12.5 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Reno, Nevada
Summer High: the July high is around 90.6 degrees
Winter Low: the January low is 23.7
Rain: averages 8.9 inches of rain a year
Snow: averages 21.9 inches of snow a year

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

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Reno is 7.5 (10=best), which means it is more comfortable than most places in Nevada.

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

Today's Weather - Lewiston, ID

55°F

Today's Weather - Reno, NV

53°F

Average Monthly High / Low (°F)

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

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.

July is the hottest month for Reno with an average high temperature of 90.6°, which ranks it as cooler than most places in Nevada. In Reno, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Reno are September, June and May.

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

December has the coldest nighttime temperatures for Reno with an average of 23.6°. This is warmer than most places in Nevada.

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

In Reno, there are 41.8 days annually when the high temperature is over 90°, which is cooler than most places in Nevada.

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 Reno, there are 130.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Nevada.

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.

In Reno, there are 0.9 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Nevada.

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.


December is the wettest month in Reno with 1.3 inches of rain, and the driest month is July with 0.2 inches. The wettest season is Spring with 42% of yearly precipitation and 11% occurs in Autumn, which is the driest season. The annual rainfall of 8.9 inches in Reno means that it is about average compared to other places in Nevada.

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.

February is the rainiest month in Reno with 6.9 days of rain, and July is the driest month with only 1.8 rainy days. There are 51.2 rainy days annually in Reno, which is rainier than most places in Nevada. The rainiest season is Spring when it rains 39% of the time and the driest is Autumn with only a 13% chance of a rainy day.

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

An annual snowfall of 21.9 inches in Reno means that it is snowier than most places in Nevada.

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

December is the snowiest month in Reno with 6.0 inches of snow, and 6 months of the year have significant snowfall.