Grantham weather in January 2025

Expect 6°C daytime maximum temperatures in the shade with on average 2 hours of sunshine per day in Grantham in January. Check more long-term weather averages for Grantham in January before you book your next holiday to England in 2025/2026.

  • 6°C maximum daytime temperature in January in Grantham6
    6°C max day temperature
  • 2 hours of sunshine per day
  • 17 days with some rainfall in January in Grantham17
    17 days with some rainfall
  • 0°C minimum night-time temperature in January in Grantham0
    0°C min night temperature
  • 8 hours of daylight per day in January in Grantham8
    8 hours of daylight per day
  • No heat & humidity in January in Grantham0
    No heat & humidity
  • 51 mm monthly rainfall in January in Grantham51
    51 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Grantham1
    1 (Low) UV index

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The January weather guide for England (Grantham) 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 England

How cold is it in Grantham in January?

Daytime temperatures usually reach 6°C in Grantham in January, falling to 0°C at night.

How sunny is it in Grantham in January?

There are normally 2 hours of bright sunshine each day in Grantham in January - that's 21% of daylight hours.

Does it rain in Grantham in January?

There are usually 17 days with some rain in Grantham in January and the average monthly rainfall is 51mm.

Grantham January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 08:15 15:57
Thursday, 16th January 2025 08:07 16:19
Friday, 31st January 2025 07:47 16:46

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