2025 Compare Climate & Weather:
Mooresville, NC vs St. Charles, MO

Highlights

On average, there are 202 sunny days per year in St. Charles. Mooresville averages 216 sunny days per year. The US average is 205 sunny days.

St. Charles, Missouri gets 42.2 inches of rain, on average, per year. Mooresville, North Carolina gets 44 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

St. Charles averages 14.2 inches of snow per year. Mooresville averages 3.9 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

St. Charles, Missouri
Summer High: the July high is around 88.3 degrees
Winter Low: the January low is 21.3
Rain: averages 42.2 inches of rain a year
Snow: averages 14.2 inches of snow a year

Mooresville, North Carolina
Summer High: the July high is around 88.6 degrees
Winter Low: the January low is 25.8
Rain: averages 44 inches of rain a year
Snow: averages 3.9 inches of snow a year

BestPlaces Comfort Index

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

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

Today's Weather - Mooresville, NC

56°F

Today's Weather - St. Charles, MO

54°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Mooresville / St. Charles

July is the hottest month for Mooresville with an average high temperature of 88.6°, which ranks it as cooler than most places in North Carolina. In Mooresville, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Mooresville are May, September and October.

July is the hottest month for St. Charles with an average high temperature of 88.3°, which ranks it as about average compared to other places in Missouri. In St. Charles, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for St. Charles are September, May and June.

January has the coldest nighttime temperatures for Mooresville with an average of 25.8°. This is colder than most places in North Carolina.

January has the coldest nighttime temperatures for St. Charles with an average of 21.3°. This is warmer than most places in Missouri.

In Mooresville, there are 35.1 days annually when the high temperature is over 90°, which is about average compared to other places in North Carolina.

In St. Charles, there are 33.5 days annually when the high temperature is over 90°, which is about average compared to other places in Missouri.

In Mooresville, there are 93.5 days annually when the nighttime low temperature falls below freezing, which is colder than most places in North Carolina.

In St. Charles, there are 100.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Missouri.

In Mooresville, there are 0.2 days annually when the nighttime low temperature falls below zero°, which is colder than most places in North Carolina.

In St. Charles, there are 2.7 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Missouri.

June is the wettest month in Mooresville with 4.3 inches of rain, and the driest month is November with 3.2 inches. The wettest season is Autumn with 28% of yearly precipitation and 23% occurs in Winter, which is the driest season. The annual rainfall of 44.0 inches in Mooresville means that it is one of the driest places in North Carolina.


May is the wettest month in St. Charles with 4.9 inches of rain, and the driest month is January with 2.4 inches. The wettest season is Summer with 29% of yearly precipitation and 19% occurs in Spring, which is the driest season. The annual rainfall of 42.2 inches in St. Charles means that it is drier than most places in Missouri.

July is the rainiest month in Mooresville with 10.1 days of rain, and October is the driest month with only 6.6 rainy days. There are 105.5 rainy days annually in Mooresville, which is less rainy than most places in North Carolina. The rainiest season is Autumn when it rains 27% of the time and the driest is Winter with only a 21% chance of a rainy day.

May is the rainiest month in St. Charles with 11.5 days of rain, and September is the driest month with only 7.3 rainy days. There are 105.9 rainy days annually in St. Charles, which is one of the rainiest places in Missouri. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 22% chance of a rainy day.

An annual snowfall of 3.9 inches in Mooresville means that it is snowier than most places in North Carolina.

An annual snowfall of 14.2 inches in St. Charles means that it is snowier than most places in Missouri.

January is the snowiest month in Mooresville with 2.1 inches of snow, and 2 months of the year have significant snowfall.

January is the snowiest month in St. Charles with 4.4 inches of snow, and 5 months of the year have significant snowfall.