Zip 45409 (Dayton, OH) Weather


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United States / Ohio / No Metro Area / Montgomery County / Dayton / Dayton (zip 45409)

The most pleasant months of the year for the 45409 zip code are September, June and May. In the 45409 zip code, there are 4 comfortable months with high temperatures in the range of 70-85°. 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. 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. July is the most humid month, though humidity is low for most of the year.

Today's Weather - Dayton, OH

2 PM PST

Partly Sunny

71°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
This AfternoonPartly Sunny72° / 59°S 13 mph
SaturdayChance Rain Showers77° / 62°S 20 mph
SundayMostly Sunny83° / 64°SW 15 mph
MondayChance Showers And Thunderstorms80° / 62°S 14 to 22 mph
TuesdayShowers And Thunderstorms Likely78° / 59°SW 12 mph
WednesdayChance Showers And Thunderstorms80° / 59°SW 8 to 14 mph
ThursdayChance Showers And Thunderstorms78° / 56°S 8 to 13 mph

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 Dayton (zip 45409) area is 8.6 (10=best), which means it is more comfortable than most places in Ohio.

8.6 / 10

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7.8. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.


Average Monthly High and Low (°F)
HighLow
January36° 21°
February40° 24°
March50° 32°
April63° 42°
May73° 52°
June82° 62°
July85° 65°
August84° 64°
September77° 56°
October65° 45°
November52° 35°
December39° 25°
Hot, Freezing, Rainy, Snowy Days: Dayton
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January026124
February022103
March017112
April04130
May00130
June40110
July60100
August5080
September2080
October0290
November012110
December023123

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.

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