2025 Compare Climate & Weather:
Jacksonville, FL vs Seneca, SC

Highlights

On average, there are 220 sunny days per year in Seneca. Jacksonville averages 221 sunny days per year. The US average is 205 sunny days.

Seneca, South Carolina gets 53.4 inches of rain, on average, per year. Jacksonville, Florida gets 50.2 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. Jacksonville averages 0.1 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

Jacksonville, Florida
Summer High: the July high is around 91.1 degrees
Winter Low: the January low is 43.8
Rain: averages 50.2 inches of rain a year
Snow: averages 0.1 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 Jacksonville is 7.2 (10=best), which means it is one of the most pleasant places in Florida.

Today's Weather - Jacksonville, FL

70°F

Today's Weather - Seneca, SC

54°F

Average Monthly High / Low (°F)

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

July is the hottest month for Jacksonville with an average high temperature of 91.1°, which ranks it as about average compared to other places in Florida. In Jacksonville, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Jacksonville are April, October and November.

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 Jacksonville with an average of 43.8°. This is colder than most places in Florida.

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

In Jacksonville, there are 62.1 days annually when the high temperature is over 90°, which is cooler than most places in Florida.

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 Jacksonville, there are 9.2 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Florida.

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

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.

September is the wettest month in Jacksonville with 7.3 inches of rain, and the driest month is November with 2.3 inches. The wettest season is Autumn with 37% of yearly precipitation and 18% occurs in Spring, which is the driest season. The annual rainfall of 50.2 inches in Jacksonville means that it is one of the driest places in Florida.


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.

August is the rainiest month in Jacksonville with 14.3 days of rain, and April is the driest month with only 5.8 rainy days. There are 113.4 rainy days annually in Jacksonville, which is about average compared to other places in Florida. The rainiest season is Autumn when it rains 36% of the time and the driest is Summer with only a 18% 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 0.1 inches in Jacksonville means that it is one of the snowiest places in Florida.

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 Jacksonville with 0.1 inches of snow, and no 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.