2025 Compare Climate & Weather:
Olathe, KS vs Simpsonville, SC

Highlights

On average, there are 224 sunny days per year in Simpsonville. Olathe averages 217 sunny days per year. The US average is 205 sunny days.

Simpsonville, South Carolina gets 48.2 inches of rain, on average, per year. Olathe, Kansas gets 40.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Simpsonville averages 2.9 inches of snow per year. Olathe averages 13.2 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Simpsonville, South Carolina
Summer High: the July high is around 89.8 degrees
Winter Low: the January low is 31
Rain: averages 48.2 inches of rain a year
Snow: averages 2.9 inches of snow a year

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

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Simpsonville is 7.5 (10=best), which means it is one of the most pleasant places in South Carolina.

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

Today's Weather - Olathe, KS

49°F

Today's Weather - Simpsonville, SC

50°F

Average Monthly High / Low (°F)

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

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.

July is the hottest month for Simpsonville with an average high temperature of 89.8°, which ranks it as cooler than most places in South Carolina. In Simpsonville, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Simpsonville are May, September and April.

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

January has the coldest nighttime temperatures for Simpsonville with an average of 31.0°. This is colder than most places in South Carolina.

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 Simpsonville, there are 40.9 days annually when the high temperature is over 90°, which is cooler than most places in South Carolina.

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 Simpsonville, there are 57.5 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in South Carolina.

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

In Simpsonville, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in South Carolina.

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.


March is the wettest month in Simpsonville with 4.6 inches of rain, and the driest month is April with 3.4 inches. The wettest season is Autumn with 27% of yearly precipitation and 23% occurs in Winter, which is the driest season. The annual rainfall of 48.2 inches in Simpsonville means that it is wetter than most places in South Carolina.

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.

July is the rainiest month in Simpsonville with 9.9 days of rain, and October is the driest month with only 6.6 rainy days. There are 101.7 rainy days annually in Simpsonville, which is about average compared to other places in South Carolina. The rainiest season is Autumn when it rains 28% of the time and the driest is Winter with only a 21% chance of a rainy day.

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

An annual snowfall of 2.9 inches in Simpsonville means that it is one of the snowiest places in South Carolina.

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

January is the snowiest month in Simpsonville with 1.5 inches of snow, and 3 months of the year have significant snowfall.