2025 Compare Climate & Weather:
Mound City, MO vs Quincy, IL

Highlights

On average, there are 199 sunny days per year in Quincy. Mound City averages 214 sunny days per year. The US average is 205 sunny days.

Quincy, Illinois gets 37.4 inches of rain, on average, per year. Mound City, Missouri gets 35.6 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Quincy averages 17.7 inches of snow per year. Mound City averages 17.6 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Quincy, Illinois
Summer High: the July high is around 86.2 degrees
Winter Low: the January low is 18.4
Rain: averages 37.4 inches of rain a year
Snow: averages 17.7 inches of snow a year

Mound City, Missouri
Summer High: the July high is around 87.6 degrees
Winter Low: the January low is 15.5
Rain: averages 35.6 inches of rain a year
Snow: averages 17.6 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Mound City is 7.3 (10=best), which means it is one of the most pleasant places in Missouri.

Today's Weather - Mound City, MO

54°F

Today's Weather - Quincy, IL

53°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Mound City / Quincy

July is the hottest month for Mound City with an average high temperature of 87.6°, which ranks it as cooler than most places in Missouri. In Mound City, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Mound City are September, May and June.

July is the hottest month for Quincy with an average high temperature of 86.2°, which ranks it as warmer than most places in Illinois. In Quincy, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Quincy are September, June and May.

January has the coldest nighttime temperatures for Mound City with an average of 15.5°. This is one of the coldest places in Missouri.

January has the coldest nighttime temperatures for Quincy with an average of 18.4°. This is warmer than most places in Illinois.

In Mound City, there are 28.8 days annually when the high temperature is over 90°, which is cooler than most places in Missouri.

In Quincy, there are 22.2 days annually when the high temperature is over 90°, which is hotter than most places in Illinois.

In Mound City, there are 127.6 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Missouri.

In Quincy, there are 108.9 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Illinois.

In Mound City, there are 7.5 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Missouri.

In Quincy, there are 5.4 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Illinois.

June is the wettest month in Mound City with 5.1 inches of rain, and the driest month is January with 0.7 inches. The wettest season is Autumn with 38% of yearly precipitation and 8% occurs in Spring, which is the driest season. The annual rainfall of 35.6 inches in Mound City means that it is one of the driest places in Missouri.


May is the wettest month in Quincy with 4.7 inches of rain, and the driest month is January with 1.6 inches. The wettest season is Autumn with 31% of yearly precipitation and 15% occurs in Spring, which is the driest season. The annual rainfall of 37.4 inches in Quincy means that it is drier than most places in Illinois.

June is the rainiest month in Mound City with 9.3 days of rain, and January is the driest month with only 3.3 rainy days. There are 75.4 rainy days annually in Mound City, which is one of the least rainy places in Missouri. The rainiest season is Summer when it rains 31% of the time and the driest is Spring with only a 15% chance of a rainy day.

May is the rainiest month in Quincy with 11.0 days of rain, and January is the driest month with only 6.6 rainy days. There are 101.8 rainy days annually in Quincy, which is less rainy than most places in Illinois. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 21% chance of a rainy day.

An annual snowfall of 17.6 inches in Mound City means that it is snowier than most places in Missouri.

An annual snowfall of 17.7 inches in Quincy means that it is less snowy than most places in Illinois.

February is the snowiest month in Mound City with 4.5 inches of snow, and 6 months of the year have significant snowfall.

January is the snowiest month in Quincy with 5.3 inches of snow, and 5 months of the year have significant snowfall.