2025 Compare Climate & Weather:
Seneca, SC vs San Antonio, TX

Highlights

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

San Antonio, Texas gets 32.8 inches of rain, on average, per year. Seneca, South Carolina gets 53.4 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

San Antonio averages 0.2 inches of snow per year. Seneca averages 2.3 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

San Antonio, Texas
Summer High: the July high is around 94.2 degrees
Winter Low: the January low is 40.5
Rain: averages 32.8 inches of rain a year
Snow: averages 0.2 inches of snow a year

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

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for San Antonio is 7.0 (10=best), which means it is about average compared to other places in Texas.

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.

Today's Weather - Seneca, SC

57°F

Today's Weather - San Antonio, TX

68°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Seneca / San Antonio

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.

August is the hottest month for San Antonio with an average high temperature of 95.7°, which ranks it as warmer than most places in Texas. In San Antonio, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for San Antonio are April, October and March.

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

January has the coldest nighttime temperatures for San Antonio with an average of 40.5°. This is warmer than most places in Texas.

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 San Antonio, there are 105.8 days annually when the high temperature is over 90°, which is hotter than most places in Texas.

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 San Antonio, there are 16.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Texas.

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.

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

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.


October is the wettest month in San Antonio with 4.2 inches of rain, and the driest month is January with 1.9 inches. The wettest season is Winter with 29% of yearly precipitation and 18% occurs in Spring, which is the driest season. The annual rainfall of 32.8 inches in San Antonio means that it is about average compared to other places in Texas.

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.

March is the rainiest month in San Antonio with 9.0 days of rain, and August is the driest month with only 4.5 rainy days. There are 82.5 rainy days annually in San Antonio, which is rainier than most places in Texas. The rainiest season is Summer when it rains 28% of the time and the driest is Autumn with only a 21% chance of a rainy day.

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

An annual snowfall of 0.2 inches in San Antonio means that it is about average compared to other places in Texas.

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

January is the snowiest month in San Antonio with 0.2 inches of snow, and no months of the year have significant snowfall.