2025 Compare Climate & Weather:
Wilmington, DE vs Olathe, KS

Highlights

On average, there are 217 sunny days per year in Olathe. Wilmington averages 199 sunny days per year. The US average is 205 sunny days.

Olathe, Kansas gets 40.9 inches of rain, on average, per year. Wilmington, Delaware gets 44.7 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. Wilmington averages 13 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

Wilmington, Delaware
Summer High: the July high is around 86.1 degrees
Winter Low: the January low is 25.2
Rain: averages 44.7 inches of rain a year
Snow: averages 13 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 Wilmington is 7.3 (10=best), which means it is about average compared to other places in Delaware.

Today's Weather - Wilmington, DE

69°F

Today's Weather - Olathe, KS

57°F

Average Monthly High / Low (°F)

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

July is the hottest month for Wilmington with an average high temperature of 86.1°, which ranks it as cooler than most places in Delaware. In Wilmington, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Wilmington are September, June and May.

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 Wilmington with an average of 25.2°. This is colder than most places in Delaware.

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

In Wilmington, there are 18.1 days annually when the high temperature is over 90°, which is one of the coolest places in Delaware.

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 Wilmington, there are 84.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Delaware.

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 Wilmington, there are 0.3 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Delaware.

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

July is the wettest month in Wilmington with 4.9 inches of rain, and the driest month is February with 2.7 inches. The wettest season is Autumn with 27% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 44.7 inches in Wilmington means that it is drier than most places in Delaware.


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.

April is the rainiest month in Wilmington with 10.5 days of rain, and August is the driest month with only 7.8 rainy days. There are 110.4 rainy days annually in Wilmington, which is less rainy than most places in Delaware. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 22% 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 13.0 inches in Wilmington means that it is about average compared to other places in Delaware.

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

February is the snowiest month in Wilmington with 4.8 inches of snow, and 4 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.