2025 Compare Climate & Weather:
Bettendorf, IA vs Olathe, KS

Highlights

On average, there are 217 sunny days per year in Olathe. Bettendorf averages 203 sunny days per year. The US average is 205 sunny days.

Olathe, Kansas gets 40.9 inches of rain, on average, per year. Bettendorf, Iowa gets 37 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Olathe averages 13.2 inches of snow per year. Bettendorf averages 28 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Olathe, Kansas
Summer High: the July high is around 88.1 degrees
Winter Low: the January low is 20.3
Rain: averages 40.9 inches of rain a year
Snow: averages 13.2 inches of snow a year

Bettendorf, Iowa
Summer High: the July high is around 85.2 degrees
Winter Low: the January low is 15
Rain: averages 37 inches of rain a year
Snow: averages 28 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Olathe is 7.3 (10=best), which means it is more comfortable than most places in Kansas.

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

Today's Weather - Bettendorf, IA

56°F

Today's Weather - Olathe, KS

59°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Bettendorf / Olathe

July is the hottest month for Bettendorf with an average high temperature of 85.2°, which ranks it as warmer than most places in Iowa. In Bettendorf, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Bettendorf are September, June and August.

July is the hottest month for Olathe with an average high temperature of 88.1°, which ranks it as one of the coolest places in Kansas. In Olathe, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Olathe are September, May and June.

January has the coldest nighttime temperatures for Bettendorf with an average of 15.0°. This is one of the warmest places in Iowa.

January has the coldest nighttime temperatures for Olathe with an average of 20.3°. This is warmer than most places in Kansas.

In Bettendorf, there are 17.2 days annually when the high temperature is over 90°, which is hotter than most places in Iowa.

In Olathe, there are 30.3 days annually when the high temperature is over 90°, which is one of the coolest places in Kansas.

In Bettendorf, there are 120.5 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Iowa.

In Olathe, there are 105.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Kansas.

In Bettendorf, there are 9.2 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Iowa.

In Olathe, there are 2.5 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Kansas.

June is the wettest month in Bettendorf with 4.7 inches of rain, and the driest month is January with 1.4 inches. The wettest season is Autumn with 36% of yearly precipitation and 13% occurs in Spring, which is the driest season. The annual rainfall of 37.0 inches in Bettendorf means that it is wetter than most places in Iowa.


June is the wettest month in Olathe with 5.9 inches of rain, and the driest month is January with 1.2 inches. The wettest season is Autumn with 34% of yearly precipitation and 11% occurs in Spring, which is the driest season. The annual rainfall of 40.9 inches in Olathe means that it is wetter than most places in Kansas.

May is the rainiest month in Bettendorf with 11.7 days of rain, and February is the driest month with only 8.0 rainy days. There are 114.8 rainy days annually in Bettendorf, which is one of the rainiest places in Iowa. The rainiest season is Summer when it rains 28% of the time and the driest is Spring with only a 23% chance of a rainy day.

May is the rainiest month in Olathe with 10.9 days of rain, and January is the driest month with only 4.9 rainy days. There are 90.0 rainy days annually in Olathe, which is rainier than most places in Kansas. The rainiest season is Summer when it rains 31% of the time and the driest is Spring with only a 17% chance of a rainy day.

An annual snowfall of 28.0 inches in Bettendorf means that it is less snowy than most places in Iowa.

An annual snowfall of 13.2 inches in Olathe means that it is less snowy than most places in Kansas.

January is the snowiest month in Bettendorf with 8.4 inches of snow, and 6 months of the year have significant snowfall.

January is the snowiest month in Olathe with 4.0 inches of snow, and 5 months of the year have significant snowfall.