2025 Compare Climate & Weather:
Davenport, IA vs St. Louis, MO

Highlights

On average, there are 202 sunny days per year in St. Louis. Davenport averages 203 sunny days per year. The US average is 205 sunny days.

St. Louis, Missouri gets 42.2 inches of rain, on average, per year. Davenport, Iowa gets 37 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

St. Louis averages 15.5 inches of snow per year. Davenport averages 28.3 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

St. Louis, Missouri
Summer High: the July high is around 88.5 degrees
Winter Low: the January low is 22.8
Rain: averages 42.2 inches of rain a year
Snow: averages 15.5 inches of snow a year

Davenport, Iowa
Summer High: the July high is around 84.6 degrees
Winter Low: the January low is 14.5
Rain: averages 37 inches of rain a year
Snow: averages 28.3 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for St. Louis is 7.2 (10=best), which means it is more comfortable than most places in Missouri.

The annual BestPlaces Comfort Index for Davenport is 6.9 (10=best), which means it is more comfortable than most places in Iowa.

Today's Weather - Davenport, IA

84°F

Today's Weather - St. Louis, MO

83°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Davenport / St. Louis

July is the hottest month for Davenport with an average high temperature of 84.6°, which ranks it as warmer than most places in Iowa. In Davenport, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Davenport are September, June and August.

July is the hottest month for St. Louis with an average high temperature of 88.5°, which ranks it as about average compared to other places in Missouri. In St. Louis, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for St. Louis are May, September and June.

January has the coldest nighttime temperatures for Davenport with an average of 14.5°. This is one of the warmest places in Iowa.

January has the coldest nighttime temperatures for St. Louis with an average of 22.8°. This is warmer than most places in Missouri.

In Davenport, there are 14.6 days annually when the high temperature is over 90°, which is hotter than most places in Iowa.

In St. Louis, there are 36.0 days annually when the high temperature is over 90°, which is hotter than most places in Missouri.

In Davenport, there are 124.5 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Iowa.

In St. Louis, there are 91.1 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Missouri.

In Davenport, there are 10.1 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Iowa.

In St. Louis, there are 1.5 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Missouri.

June is the wettest month in Davenport with 4.6 inches of rain, and the driest month is January with 1.3 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 Davenport means that it is wetter than most places in Iowa.


May is the wettest month in St. Louis with 4.8 inches of rain, and the driest month is February with 2.3 inches. The wettest season is Summer with 29% of yearly precipitation and 18% occurs in Spring, which is the driest season. The annual rainfall of 42.2 inches in St. Louis means that it is drier than most places in Missouri.

May is the rainiest month in Davenport with 11.7 days of rain, and September is the driest month with only 8.0 rainy days. There are 115.1 rainy days annually in Davenport, 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 St. Louis with 11.3 days of rain, and September is the driest month with only 7.0 rainy days. There are 105.3 rainy days annually in St. Louis, which is rainier than most places in Missouri. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 23% chance of a rainy day.

An annual snowfall of 28.3 inches in Davenport means that it is less snowy than most places in Iowa.

An annual snowfall of 15.5 inches in St. Louis means that it is snowier than most places in Missouri.

January is the snowiest month in Davenport with 8.2 inches of snow, and 6 months of the year have significant snowfall.

January is the snowiest month in St. Louis with 4.9 inches of snow, and 5 months of the year have significant snowfall.