Hamilton County, IN Climate

Hamilton County, Indiana experiences a humid continental climate, with generally warm summers and cold winters. The average summer temperatures range from the mid-seventies to the low eighties, while winter temperatures stay in the thirties and forties. Precipitation is fairly evenly distributed throughout the year, with an average of approximately 38 inches annually. Snowfall occurs during the winter months, typically ranging from 8 to 10 inches per month. Hamilton County enjoys around 204 days of sunshine every year.

Hamilton County, Indiana gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Hamilton County averages 22 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 187 sunny days per year in Hamilton County. The US average is 205 sunny days.

Hamilton County gets some kind of precipitation, on average, 125 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 84 degrees
Winter Low: the January low is 19
Rain: averages 42 inches of rain a year
Snow: averages 22 inches of snow a year

Bestplaces Comfort Index

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

8.7 Summer - 4.9 Winter

June, September and August are the most pleasant months in Hamilton County, while January and December are the least comfortable months.

Climate	Hamilton, Indiana	United States
	42.0 in.	38.1 in.
	22.4 in.	27.8 in.
	124.5 days	106.2 days
	187 days	205 days
	84.2°	85.8°
	18.5°	21.7°
	7	7
	4	4.3
	848 ft.	2443 ft.

Climate

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

July is the hottest month for Hamilton County with an average high temperature of 84.2°, which ranks it as about average compared to other places in Indiana. In Hamilton County, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Hamilton County are September, June and August.

In Hamilton County, there are 11.7 days annually when the high temperature is over 90°, which is cooler than most places in Indiana.

January has the coldest nighttime temperatures for Hamilton County with an average of 18.5°. This is about average compared to other places in Indiana.

In Hamilton County, there are 119.1 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Indiana.

In Hamilton County, there are 5.4 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Indiana.

The humidity is usually comfortable in Hamilton County but some summer months can be sticky or muggy. July is the most humid month, though humidity is low for most of the year. The most humid months are July, August and June.

May is the wettest month in Hamilton County with 5.0 inches of rain, and the driest month is February with 2.3 inches. The wettest season is Summer with 29% of yearly precipitation and 19% occurs in Spring, which is the driest season. The annual rainfall of 42.0 inches in Hamilton County means that it is about average compared to other places in Indiana.

May is the rainiest month in Hamilton County with 12.5 days of rain, and September is the driest month with only 8.3 rainy days. There are 124.5 rainy days annually in Hamilton County, which is rainier than most places in Indiana. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 22% chance of a rainy day.

An annual snowfall of 22.4 inches in Hamilton County means that it is snowier than most places in Indiana. January is the snowiest month in Hamilton County with 7.5 inches of snow, and 5 months of the year have significant snowfall.

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