Greenock weather in January 2026

Expect daytime maximum temperatures of 5°C in Greenock, Scotland in January based on long-term weather averages. There is 1 hour of sunshine per day on average with 22 days with some rainfall and typically 227 mm of rainfall in the month.

  • 5°C maximum daytime temperature in January in Greenock5
    5°C max day temperature
  • 1 hour of sunshine per day
  • 22 days with some rainfall in January in Greenock22
    22 days with some rainfall
  • 1°C minimum night-time temperature in January in Greenock1
    1°C min night temperature
  • 8 hours of daylight per day in January in Greenock8
    8 hours of daylight per day
  • No heat & humidity in January in Greenock0
    No heat & humidity
  • 227 mm monthly rainfall in January in Greenock227
    227 mm of monthly rainfall
  • No UV (maximum) index in January in Greenock0
    No UV (Maximum) Index UV index
  • 8°C sea temperature in January in Greenock8
    8°C sea temperature

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The January weather guide for Scotland (Greenock) 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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More about Scotland

How cold is it in Greenock in January?

Daytime temperatures usually reach 5°C in Greenock in January, falling to 1°C at night.

How sunny is it in Greenock in January?

There are normally 1 hour of bright sunshine each day in Greenock in January - that's 14% of daylight hours.

Is the sea cold around Greenock in January?

The average sea temperature around Greenock in January is 8°C.

Does it rain in Greenock in January?

There are usually 22 days with some rain in Greenock in January and the average monthly rainfall is 227mm.

Greenock January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 08:50 15:56
Friday, 16th January 2026 08:39 16:19
Saturday, 31st January 2026 08:16 16:50

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