Zip 45409 (Dayton, OH) Climate

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The climate in 45409 Dayton, OH is mostly continental with hot summers and cold winters. Summers are typically humid and temperatures can reach up to the 90s during the day. Winters tend to be cold and snowy. The city experiences an average of 43 inches of precipitation annually, with snowfall ranging from 15 to 20 inches depending on the year. Average winter temperatures range from 23°F to 36°F while summer temperatures range from 65°F to 84°F.

Dayton (zip 45409), Ohio gets 40 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Dayton (zip 45409) averages 16 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 177 sunny days per year in Dayton (zip 45409). The US average is 205 sunny days.

Dayton (zip 45409) gets some kind of precipitation, on average, 129 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 85 degrees
Winter Low: the January low is 21
Rain: averages 40 inches of rain a year
Snow: averages 16 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 45409 zip code is 7.1 (10=best), which means it is more comfortable than most places in Ohio.

8.6 Summer - 5.2 Winter

September, June and May are the most pleasant months in the 45409 zip code, while January and December are the least comfortable months.

Climate	Dayton, Ohio	United States
	Unlock	38.1 in.
	15.8 in.	Unlock
	Unlock	106.2 days
	177 days	Unlock
	85.1°	85.8°
	Unlock	21.7°
	7.1	Unlock
	Unlock	4.3
	879 ft.	Unlock

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 the 45409 zip code with an average high temperature of 85.1°, which ranks it as warmer than most places in Ohio. In the 45409 zip code, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 45409 zip code are September, June and May.

In the 45409 zip code, there are 17.2 days annually when the high temperature is over 90°, which is hotter than most places in Ohio.

January has the coldest nighttime temperatures for the 45409 zip code with an average of 21.0°. This is warmer than most places in Ohio.

In the 45409 zip code, there are 105.4 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Ohio.

In the 45409 zip code, there are 2.8 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Ohio.

The humidity is usually comfortable in the 45409 zip code 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 the 45409 zip code with 4.6 inches of rain, and the driest month is February with 2.3 inches. The wettest season is Summer with 30% of yearly precipitation and 20% occurs in Spring, which is the driest season. The annual rainfall of 40.3 inches in the 45409 zip code means that it is wetter than most places in Ohio.

April is the rainiest month in the 45409 zip code with 13.3 days of rain, and August is the driest month with only 8.0 rainy days. There are 128.7 rainy days annually in the 45409 zip code, which is about average compared to other places in Ohio. The rainiest season is Summer when it rains 29% of the time and the driest is Winter with only a 22% chance of a rainy day.

An annual snowfall of 15.8 inches in the 45409 zip code means that it is less snowy than most places in Ohio. January is the snowiest month in the 45409 zip code with 5.3 inches of snow, and 4 months of the year have significant snowfall.

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