Dayton weather in December 2025

Expect daytime maximum temperatures of 4°C in Dayton, Ohio in December based on long-term weather averages. There are 3 hours of sunshine per day on average with 13 days with some rainfall and typically 72 mm of rainfall in the month, which might fall as snow.

  • 4°C maximum daytime temperature in December in Dayton4
    4°C max day temperature
  • 3 hours of sunshine per day
  • 13 days with some rainfall in December in Dayton13
    13 days with some rainfall
  • -4°C minimum night-time temperature in December in Dayton-4
    -4°C min night temperature
  • 9 hours of daylight per day in December in Dayton9
    9 hours of daylight per day
  • No heat & humidity in December in Dayton0
    No heat & humidity
  • 72 mm monthly rainfall in December in Dayton72
    72 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in December in Dayton2
    2 (Low) UV index

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The December 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 December?

Daytime temperatures usually reach 4°C in Dayton in December, falling to -4°C at night.

How sunny is it in Dayton in December?

There are normally 3 hours of bright sunshine each day in Dayton in December - that's 34% of daylight hours.

Does it rain in Dayton in December?

There are usually 13 days with some rain in Dayton in December and the average monthly rainfall is 72mm. Rain may fall as snow in this month.

Dayton December sunrise & sunset times

Browse the sunrise and sunset times for Dayton in December 2025. Select a month to view Dayton sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 07:39 17:13
Tuesday, 16th December 2025 07:52 17:14
Wednesday, 31st December 2025 07:58 17:22

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