2025 Compare Climate & Weather:
Wapello, IA vs Mosier, OR

Highlights

On average, there are 176 sunny days per year in Mosier. Wapello averages 203 sunny days per year. The US average is 205 sunny days.

Mosier, Oregon gets 20.5 inches of rain, on average, per year. Wapello, Iowa gets 36.7 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Mosier averages 15.5 inches of snow per year. Wapello averages 32 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Mosier, Oregon
Summer High: the July high is around 85.7 degrees
Winter Low: the January low is 30.2
Rain: averages 20.5 inches of rain a year
Snow: averages 15.5 inches of snow a year

Wapello, Iowa
Summer High: the July high is around 85.6 degrees
Winter Low: the January low is 14.2
Rain: averages 36.7 inches of rain a year
Snow: averages 32 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Mosier is 7.4 (10=best), which means it is more comfortable than most places in Oregon.

The annual BestPlaces Comfort Index for Wapello is 7.0 (10=best), which means it is more comfortable than most places in Iowa.

Today's Weather - Wapello, IA

52°F

Today's Weather - Mosier, OR

50°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Wapello / Mosier

July is the hottest month for Wapello with an average high temperature of 85.6°, which ranks it as warmer than most places in Iowa. In Wapello, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Wapello are September, June and May.

August is the hottest month for Mosier with an average high temperature of 85.9°, which ranks it as warmer than most places in Oregon. In Mosier, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Mosier are June, September and May.

January has the coldest nighttime temperatures for Wapello with an average of 14.2°. This is one of the warmest places in Iowa.

December has the coldest nighttime temperatures for Mosier with an average of 29.5°. This is colder than most places in Oregon.

In Wapello, there are 17.4 days annually when the high temperature is over 90°, which is hotter than most places in Iowa.

In Mosier, there are 30.2 days annually when the high temperature is over 90°, which is hotter than most places in Oregon.

In Wapello, there are 128.0 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Iowa.

In Mosier, there are 77.7 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Oregon.

In Wapello, there are 10.6 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Iowa.

In Mosier, there are 0.3 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Oregon.

May is the wettest month in Wapello with 4.7 inches of rain, and the driest month is January with 1.2 inches. The wettest season is Autumn with 33% of yearly precipitation and 13% occurs in Spring, which is the driest season. The annual rainfall of 36.7 inches in Wapello means that it is wetter than most places in Iowa.


December is the wettest month in Mosier with 4.0 inches of rain, and the driest month is July with 0.2 inches. The wettest season is Spring with 50% of yearly precipitation and 5% occurs in Autumn, which is the driest season. The annual rainfall of 20.5 inches in Mosier means that it is drier than most places in Oregon.

May is the rainiest month in Wapello with 10.9 days of rain, and January is the driest month with only 7.0 rainy days. There are 101.5 rainy days annually in Wapello, which is rainier than most places in Iowa. The rainiest season is Summer when it rains 29% of the time and the driest is Spring with only a 22% chance of a rainy day.

November is the rainiest month in Mosier with 16.0 days of rain, and July is the driest month with only 1.8 rainy days. There are 109.9 rainy days annually in Mosier, which is less rainy than most places in Oregon. The rainiest season is Spring when it rains 40% of the time and the driest is Autumn with only a 8% chance of a rainy day.

An annual snowfall of 32.0 inches in Wapello means that it is snowier than most places in Iowa.

An annual snowfall of 15.5 inches in Mosier means that it is snowier than most places in Oregon.

January is the snowiest month in Wapello with 8.6 inches of snow, and 6 months of the year have significant snowfall.

January is the snowiest month in Mosier with 5.2 inches of snow, and 5 months of the year have significant snowfall.