2025 Compare Climate & Weather:
Chattanooga, TN vs Oswego, NY

Highlights

On average, there are 162 sunny days per year in Oswego. Chattanooga averages 207 sunny days per year. The US average is 205 sunny days.

Oswego, New York gets 42.2 inches of rain, on average, per year. Chattanooga, Tennessee gets 51.1 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Oswego averages 113.1 inches of snow per year. Chattanooga averages 1.5 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Oswego, New York
Summer High: the July high is around 79.6 degrees
Winter Low: the January low is 15.4
Rain: averages 42.2 inches of rain a year
Snow: averages 113.1 inches of snow a year

Chattanooga, Tennessee
Summer High: the July high is around 89 degrees
Winter Low: the January low is 28.9
Rain: averages 51.1 inches of rain a year
Snow: averages 1.5 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Oswego is 6.2 (10=best), which means it is less comfortable than most places in New York.

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

Today's Weather - Chattanooga, TN

53°F

Today's Weather - Oswego, NY

44°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Chattanooga / Oswego

July is the hottest month for Chattanooga with an average high temperature of 89.0°, which ranks it as warmer than most places in Tennessee. In Chattanooga, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Chattanooga are May, September and October.

July is the hottest month for Oswego with an average high temperature of 79.6°, which ranks it as cooler than most places in New York. In Oswego, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Oswego are August, July and June.

January has the coldest nighttime temperatures for Chattanooga with an average of 28.9°. This is one of the warmest places in Tennessee.

January has the coldest nighttime temperatures for Oswego with an average of 15.4°. This is about average compared to other places in New York.

In Chattanooga, there are 39.0 days annually when the high temperature is over 90°, which is hotter than most places in Tennessee.

In Oswego, there are 1.8 days annually when the high temperature is over 90°, which is one of the coolest places in New York.

In Chattanooga, there are 71.4 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Tennessee.

In Oswego, there are 131.8 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in New York.

In Chattanooga, there are 0.1 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Tennessee.

In Oswego, there are 4.8 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in New York.

December is the wettest month in Chattanooga with 4.9 inches of rain, and the driest month is October with 3.2 inches. The wettest season is Spring with 29% of yearly precipitation and 23% occurs in Autumn, which is the driest season. The annual rainfall of 51.1 inches in Chattanooga means that it is drier than most places in Tennessee.


November is the wettest month in Oswego with 4.2 inches of rain, and the driest month is February with 2.6 inches. The wettest season is Winter with 29% of yearly precipitation and 23% occurs in Spring, which is the driest season. The annual rainfall of 42.2 inches in Oswego means that it is drier than most places in New York.

December is the rainiest month in Chattanooga with 9.2 days of rain, and October is the driest month with only 6.3 rainy days. There are 99.0 rainy days annually in Chattanooga, which is one of the least rainy places in Tennessee. The rainiest season is Spring when it rains 28% of the time and the driest is Winter with only a 21% chance of a rainy day.

January is the rainiest month in Oswego with 18.1 days of rain, and August is the driest month with only 11.1 rainy days. There are 167.0 rainy days annually in Oswego, which is one of the rainiest places in New York. The rainiest season is Spring when it rains 30% of the time and the driest is Autumn with only a 21% chance of a rainy day.

An annual snowfall of 1.5 inches in Chattanooga means that it is one of the least snowy places in Tennessee.

An annual snowfall of 113.1 inches in Oswego means that it is one of the snowiest places in New York.

January is the snowiest month in Chattanooga with 0.6 inches of snow, and 1 month of the year have significant snowfall.

January is the snowiest month in Oswego with 34.4 inches of snow, and 6 months of the year have significant snowfall.