The weather in January in Dayton

It's cold in January in Dayton with an average temperature of 3°C. Temperatures this month range from a low of 0°C to a high of 6°C. At night, you can expect temperatures between -8°C and -1°C.

Looking for sun? January isn’t a good month to be in Dayton. There’s too much chance of rain this month.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in January for Dayton, Ohio. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 19°C in 2020, Dayton reached the highest temperature in January over the past 10 years. The lowest daytime temperature in this month was -15°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of -24°C to a highest value of 14°C.

Precipitation and snowfall

In January, there is an average of 107 mm of precipitation, spread over 14 days. Of the total precipitation, about 18 cm falls as snow in January. The wind speed is around 4 Bft, mostly coming from the Southwest.

Daily weather in January for Dayton

Click on any day in January to get detailed info about the usual weather on that day in Dayton. Check out the historical temperatures and precipitation over the past 10 years on this day.

January weather comparison

  Dayton New York
Average temperature 3°C 5°C
Max. temperature 6°C 11°C
Min. temperature -8°C -5°C
Total precipitation 107 mm 97 mm
Rainy days 14 days 12 days
Total snowfall 18 cm 16 cm
Snowy days 7 days 8 days

Start of January

The month of January starts in Dayton with cold temps, averaging around 5°C during the day and nights around -3°C.

Mid January

By mid-January, daytime temps drop to around 3°C, with nights around -4°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of January

By the end of January, the average daytime temperature in Dayton is around 3°C, while nighttime temps are about -5°C. A shower might pop up, but overall, the weather will be dry and sunny.

Find affordable trips to Dayton

UV index

The UV index is a maximum of 3 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.

Check out the climate of Dayton for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in January in Dayton, Ohio. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in January in Dayton

Temperature in January in Dayton over the years

Precipitation charts

These charts show the average amount of precipitation in January in Dayton, Ohio. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in January in Dayton

Total precipitation in January in Dayton over the years

Daily Snowfall in January in Dayton

Snowfall in January in Dayton per year

Daily UV index in January in Dayton

This chart shows the average daily UV index in January in Dayton, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in January in Dayton

Have you been to Dayton in January?

Share your weather experience in January in Dayton.

Your email will not be shown in the review and will not be shared with others.

Average weather in Dayton by month

Click on a month below to see detailed weather info for Dayton. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.