Dayton weather in January 2026

Expect daytime maximum temperatures of 2°C in Dayton in January based on long-term weather averages. There are 4 hours of sunshine per day on average with 12 days with some rainfall and typically 63 mm of rainfall in the month, which might fall as snow.

  • 2°C maximum daytime temperature in January in Dayton2
    2°C max day temperature
  • 4 hours of sunshine per day
  • 12 days with some rainfall in January in Dayton12
    12 days with some rainfall
  • -8°C minimum night-time temperature in January in Dayton-8
    -8°C min night temperature
  • 10 hours of daylight per day in January in Dayton10
    10 hours of daylight per day
  • No heat & humidity in January in Dayton0
    No heat & humidity
  • 63 mm monthly rainfall in January in Dayton63
    63 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in January in Dayton2
    2 (Low) UV index

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The January weather guide for Ohio (Dayton) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How cold is it in Dayton in January?

Daytime temperatures usually reach 2°C in Dayton in January, falling to -8°C at night.

How sunny is it in Dayton in January?

There are normally 4 hours of bright sunshine each day in Dayton in January - that's 43% of daylight hours.

Does it rain in Dayton in January?

There are usually 12 days with some rain in Dayton in January and the average monthly rainfall is 63mm. Rain may fall as snow in this month.

Dayton January sunrise & sunset times

Browse the sunrise and sunset times for Dayton in January 2026. Select a month to view Dayton sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 07:58 17:23
Friday, 16th January 2026 07:56 17:38
Saturday, 31st January 2026 07:45 17:55

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