Plymouth weather in January 2026

Expect 27°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Plymouth in January based on long-term weather averages. There is usually 18 days with some rainfall and 106 mm of average monthly rainfall in January.

  • 27°C maximum daytime temperature in January in Plymouth27
    27°C max day temperature
  • 8 hours of sunshine per day
  • 18 days with some rainfall in January in Plymouth18
    18 days with some rainfall
  • 20°C minimum night-time temperature in January in Plymouth20
    20°C min night temperature
  • 11 hours of daylight per day in January in Plymouth11
    11 hours of daylight per day
  • Low heat & humidity in January in PlymouthL
    Low heat & humidity
  • 106 mm monthly rainfall in January in Plymouth106
    106 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in January in Plymouth8
    8 (Very High) UV index
  • 27°C sea temperature in January in Plymouth27
    27°C sea temperature

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The January weather guide for Montserrat, represented by Plymouth, (Plymouth) 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 hot is it in Plymouth in January?

Daytime temperatures usually reach 27°C in Plymouth in January with low heat and humidity, falling to 20°C at night.

How sunny is it in Plymouth in January?

There are normally 8 hours of bright sunshine each day in Plymouth in January - that's 67% of daylight hours.

How warm is the sea around Plymouth in January?

The average sea temperature around Plymouth in January is 27°C.

Does it rain in Plymouth in January?

There are usually 18 days with some rain in Plymouth in January and the average monthly rainfall is 106mm.

Plymouth January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 06:38 17:47
Friday, 16th January 2026 06:41 17:56
Saturday, 31st January 2026 06:40 18:05

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