Grantham weather in October 2025

Expect daytime maximum temperatures of 14°C in Grantham in October based on long-term weather averages. There are 3 hours of sunshine per day on average with 14 days with some rainfall and typically 47 mm of rainfall in the month.

  • 14°C maximum daytime temperature in October in Grantham14
    14°C max day temperature
  • 3 hours of sunshine per day
  • 14 days with some rainfall in October in Grantham14
    14 days with some rainfall
  • 6°C minimum night-time temperature in October in Grantham6
    6°C min night temperature
  • 11 hours of daylight per day in October in Grantham11
    11 hours of daylight per day
  • No heat & humidity in October in Grantham0
    No heat & humidity
  • 47 mm monthly rainfall in October in Grantham47
    47 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in October in Grantham2
    2 (Low) UV index

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The October 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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How warm is it in Grantham in October?

Daytime temperatures usually reach 14°C in Grantham in October, falling to 6°C at night.

How sunny is it in Grantham in October?

There are normally 3 hours of bright sunshine each day in Grantham in October - that's 30% of daylight hours.

Does it rain in Grantham in October?

There are usually 14 days with some rain in Grantham in October and the average monthly rainfall is 47mm.

Grantham October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:04 17:39
Thursday, 16th October 2025 06:31 17:04
Friday, 31st October 2025 06:58 16:33

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