Oshkosh weather in January 2026

Expect daytime maximum temperatures of -4°C in Oshkosh in January based on long-term weather averages. There are 5 hours of sunshine per day on average with 10 days with some rainfall, which might fall as snow.

  • -4°C maximum daytime temperature in January in Oshkosh-4
    -4°C max day temperature
  • 5 hours of sunshine per day
  • 10 days with some rainfall in January in Oshkosh10
    10 days with some rainfall
  • -15°C minimum night-time temperature in January in Oshkosh-15
    -15°C min night temperature
  • 9 hours of daylight per day in January in Oshkosh9
    9 hours of daylight per day
  • No heat & humidity in January in Oshkosh0
    No heat & humidity
  • 32 mm monthly rainfall in January in Oshkosh32
    32 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Oshkosh1
    1 (Low) UV index

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The January weather guide for Wisconsin (Oshkosh) 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 Oshkosh in January?

Daytime temperatures usually reach -4°C in Oshkosh in January, falling to -15°C at night.

How sunny is it in Oshkosh in January?

There are normally 5 hours of bright sunshine each day in Oshkosh in January - that's 50% of daylight hours.

Does it rain in Oshkosh in January?

There are usually 10 days with some rain in Oshkosh in January and the average monthly rainfall is 32mm. Rain may fall as snow in this month.

Oshkosh January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 07:29 16:27
Friday, 16th January 2026 07:25 16:43
Saturday, 31st January 2026 07:12 17:03

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