2025 Compare Climate & Weather:
Cornville, AZ vs Portland, OR

Highlights

On average, there are 144 sunny days per year in Portland. Cornville averages 274 sunny days per year. The US average is 205 sunny days.

Portland, Oregon gets 42.8 inches of rain, on average, per year. Cornville, Arizona gets 14 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Portland averages 2.6 inches of snow per year. Cornville averages 1.5 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Portland, Oregon
Summer High: the July high is around 80.5 degrees
Winter Low: the January low is 36.4
Rain: averages 42.8 inches of rain a year
Snow: averages 2.6 inches of snow a year

Cornville, Arizona
Summer High: the July high is around 100.3 degrees
Winter Low: the January low is 27.6
Rain: averages 14 inches of rain a year
Snow: averages 1.5 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Cornville is 7.6 (10=best), which means it is about average compared to other places in Arizona.

Today's Weather - Cornville, AZ

49°F

Today's Weather - Portland, OR

49°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Cornville / Portland

July is the hottest month for Cornville with an average high temperature of 100.3°, which ranks it as warmer than most places in Arizona. In Cornville, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Cornville are April, October and March.

August is the hottest month for Portland with an average high temperature of 81.1°, which ranks it as cooler than most places in Oregon. In Portland, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Portland are September, July and August.

December has the coldest nighttime temperatures for Cornville with an average of 27.0°. This is colder than most places in Arizona.

December has the coldest nighttime temperatures for Portland with an average of 35.6°. This is warmer than most places in Oregon.

In Cornville, there are 123.3 days annually when the high temperature is over 90°, which is about average compared to other places in Arizona.

In Portland, there are 11.6 days annually when the high temperature is over 90°, which is cooler than most places in Oregon.

In Cornville, there are 88.8 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Arizona.

In Portland, there are 29.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Oregon.

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

August is the wettest month in Cornville with 2.1 inches of rain, and the driest month is June with 0.2 inches. The wettest season is Autumn with 29% of yearly precipitation and 17% occurs in Summer, which is the driest season. The annual rainfall of 14.0 inches in Cornville means that it is wetter than most places in Arizona.


December is the wettest month in Portland with 6.8 inches of rain, and the driest month is July with 0.7 inches. The wettest season is Spring with 41% of yearly precipitation and 7% occurs in Autumn, which is the driest season. The annual rainfall of 42.8 inches in Portland means that it is about average compared to other places in Oregon.

August is the rainiest month in Cornville with 7.9 days of rain, and June is the driest month with only 1.2 rainy days. There are 51.9 rainy days annually in Cornville, which is about average compared to other places in Arizona. The rainiest season is Autumn when it rains 30% of the time and the driest is Summer with only a 21% chance of a rainy day.

November is the rainiest month in Portland with 19.3 days of rain, and August is the driest month with only 3.7 rainy days. There are 155.9 rainy days annually in Portland, which is rainier than most places in Oregon. The rainiest season is Spring when it rains 34% of the time and the driest is Autumn with only a 11% chance of a rainy day.

An annual snowfall of 1.5 inches in Cornville means that it is about average compared to other places in Arizona.

An annual snowfall of 2.6 inches in Portland means that it is less snowy than most places in Oregon.

February is the snowiest month in Cornville with 0.7 inches of snow, and 1 month of the year have significant snowfall.

December is the snowiest month in Portland with 0.9 inches of snow, and 3 months of the year have significant snowfall.