2025 Compare Climate & Weather:
Derby, KS vs Seneca, SC

Highlights

On average, there are 220 sunny days per year in Seneca. Derby averages 227 sunny days per year. The US average is 205 sunny days.

Seneca, South Carolina gets 53.4 inches of rain, on average, per year. Derby, Kansas gets 34.8 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Seneca averages 2.3 inches of snow per year. Derby averages 13 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Seneca, South Carolina
Summer High: the July high is around 90.2 degrees
Winter Low: the January low is 31.1
Rain: averages 53.4 inches of rain a year
Snow: averages 2.3 inches of snow a year

Derby, Kansas
Summer High: the July high is around 91.7 degrees
Winter Low: the January low is 21.6
Rain: averages 34.8 inches of rain a year
Snow: averages 13 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Derby is 7.2 (10=best), which means it is less comfortable than most places in Kansas.

Today's Weather - Derby, KS

64°F

Today's Weather - Seneca, SC

67°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Derby / Seneca

July is the hottest month for Derby with an average high temperature of 91.7°, which ranks it as warmer than most places in Kansas. In Derby, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Derby are May, September and October.

July is the hottest month for Seneca with an average high temperature of 90.2°, which ranks it as cooler than most places in South Carolina. In Seneca, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Seneca are May, September and October.

January has the coldest nighttime temperatures for Derby with an average of 21.6°. This is warmer than most places in Kansas.

January has the coldest nighttime temperatures for Seneca with an average of 31.1°. This is colder than most places in South Carolina.

In Derby, there are 53.6 days annually when the high temperature is over 90°, which is hotter than most places in Kansas.

In Seneca, there are 44.5 days annually when the high temperature is over 90°, which is cooler than most places in South Carolina.

In Derby, there are 102.9 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Kansas.

In Seneca, there are 58.7 days annually when the nighttime low temperature falls below freezing, which is colder than most places in South Carolina.

In Derby, there are 1.0 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Kansas.

In Seneca, 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 Derby with 5.6 inches of rain, and the driest month is January with 0.9 inches. The wettest season is Autumn with 37% of yearly precipitation and 10% occurs in Spring, which is the driest season. The annual rainfall of 34.8 inches in Derby means that it is about average compared to other places in Kansas.


August is the wettest month in Seneca with 5.0 inches of rain, and the driest month is April with 3.7 inches. The wettest season is Spring with 27% of yearly precipitation and 23% occurs in Winter, which is the driest season. The annual rainfall of 53.4 inches in Seneca means that it is one of the wettest places in South Carolina.

May is the rainiest month in Derby with 10.2 days of rain, and January is the driest month with only 3.8 rainy days. There are 78.4 rainy days annually in Derby, which is about average compared to other 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 Seneca with 10.5 days of rain, and October is the driest month with only 7.2 rainy days. There are 111.0 rainy days annually in Seneca, which is one of the rainiest places in South Carolina. The rainiest season is Autumn when it rains 27% of the time and the driest is Winter with only a 22% chance of a rainy day.

An annual snowfall of 13.0 inches in Derby means that it is less snowy than most places in Kansas.

An annual snowfall of 2.3 inches in Seneca means that it is snowier than most places in South Carolina.

December is the snowiest month in Derby with 4.2 inches of snow, and 5 months of the year have significant snowfall.

January is the snowiest month in Seneca with 1.1 inches of snow, and 2 months of the year have significant snowfall.