2025 Compare Climate & Weather:
Hamilton, IN vs Louisville, KY

Highlights

On average, there are 195 sunny days per year in Louisville. Hamilton averages 180 sunny days per year. The US average is 205 sunny days.

Louisville, Kentucky gets 46.2 inches of rain, on average, per year. Hamilton, Indiana gets 38.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Louisville averages 8.7 inches of snow per year. Hamilton averages 35.3 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Louisville, Kentucky
Summer High: the July high is around 87.6 degrees
Winter Low: the January low is 25.5
Rain: averages 46.2 inches of rain a year
Snow: averages 8.7 inches of snow a year

Hamilton, Indiana
Summer High: the July high is around 82.8 degrees
Winter Low: the January low is 15.7
Rain: averages 38.2 inches of rain a year
Snow: averages 35.3 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Louisville-Jefferson County is 7.3 (10=best), which means it is one of the most pleasant places in Kentucky.

The annual BestPlaces Comfort Index for Hamilton is 6.8 (10=best), which means it is one of the least comfortable places in Indiana.

Today's Weather - Hamilton, IN

46°F

Today's Weather - Louisville, KY

52°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Hamilton / Louisville

July is the hottest month for Hamilton with an average high temperature of 82.8°, which ranks it as one of the coolest places in Indiana. In Hamilton, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Hamilton are June, August and September.

July is the hottest month for Louisville-Jefferson County with an average high temperature of 87.6°, which ranks it as warmer than most places in Kentucky. In Louisville-Jefferson County, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Louisville-Jefferson County are May, September and June.

January has the coldest nighttime temperatures for Hamilton with an average of 15.7°. This is one of the coldest places in Indiana.

January has the coldest nighttime temperatures for Louisville-Jefferson County with an average of 25.5°. This is warmer than most places in Kentucky.

In Hamilton, there are 7.1 days annually when the high temperature is over 90°, which is one of the coolest places in Indiana.

In Louisville-Jefferson County, there are 29.0 days annually when the high temperature is over 90°, which is about average compared to other places in Kentucky.

In Hamilton, there are 138.5 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Indiana.

In Louisville-Jefferson County, there are 82.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Kentucky.

In Hamilton, there are 5.5 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Indiana.

In Louisville-Jefferson County, there are 0.5 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Kentucky.

May is the wettest month in Hamilton with 4.3 inches of rain, and the driest month is February with 2.0 inches. The wettest season is Autumn with 31% of yearly precipitation and 18% occurs in Spring, which is the driest season. The annual rainfall of 38.2 inches in Hamilton means that it is one of the driest places in Indiana.


May is the wettest month in Louisville-Jefferson County with 5.2 inches of rain, and the driest month is September with 3.2 inches. The wettest season is Summer with 29% of yearly precipitation and 22% occurs in Winter, which is the driest season. The annual rainfall of 46.2 inches in Louisville-Jefferson County means that it is drier than most places in Kentucky.

May is the rainiest month in Hamilton with 11.4 days of rain, and February is the driest month with only 8.4 rainy days. There are 119.1 rainy days annually in Hamilton, which is about average compared to other places in Indiana. The rainiest season is Summer when it rains 27% of the time and the driest is Winter with only a 24% chance of a rainy day.

May is the rainiest month in Louisville-Jefferson County with 11.7 days of rain, and September is the driest month with only 7.2 rainy days. There are 115.3 rainy days annually in Louisville-Jefferson County, which is about average compared to other places in Kentucky. The rainiest season is Summer when it rains 29% of the time and the driest is Winter with only a 21% chance of a rainy day.

An annual snowfall of 35.3 inches in Hamilton means that it is one of the snowiest places in Indiana.

An annual snowfall of 8.7 inches in Louisville-Jefferson County means that it is about average compared to other places in Kentucky.

January is the snowiest month in Hamilton with 9.8 inches of snow, and 6 months of the year have significant snowfall.

February is the snowiest month in Louisville-Jefferson County with 2.9 inches of snow, and 4 months of the year have significant snowfall.