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October Weather in Grendon, United Kingdom

Last updated: August 27, 2025

In Grendon, United Kingdom, the average temperature in October hovers around 11°C (52°F). Temperatures can dip as low as 0°C (32°F) and soar to a pleasant 23°C (74°F). Expect around 86 mm (3.4 in) of precipitation over 12 days, with an average humidity of a muggy 90%. Prepare for a mix of cool breezes and potential showers!

October Temperature in Grendon

In October in Grendon, the average temperature is 11°C (52°F). The maximum can reach 23°C (74°F), and the minimum can be as low as 0°C (32°F). This climate makes Grendon an ideal destination for travelers who enjoy mild temperatures and outdoor activities during this time of year.

October Weather in Grendon: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Grendon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grendon, October typically has an average temperature of 11°C (52°F), with highs reaching up to 23°C (74°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec404245485461646358524542
Data source: Temperature data for Grendon generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Grendon

In Grendon in October, the precipitation amount is 86 mm (3.4 in) over a span of 12 days.

October Precipitation Trends in Grendon

The chart displays monthly precipitation patterns in Grendon, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Grendon, October typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec524959396573697256865779
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Grendon

In Grendon in October, humidity is 90%. With an average temperature of 11°C (52°F), this humidity feels like a heavy blanket that clings to your skin, making travel uncomfortable and muggy.

October Average Humidity in Grendon

This chart illustrates the average monthly humidity levels in Grendon, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Grendon is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%84%80%81%76%77%85%90%92%90%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Grendon

In Grendon in October, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Grendon for better planning.

Maximum UV Index Levels in Grendon for October

The chart shows the monthly maximum UV Index (UVI) for Grendon in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in Grendon typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Grendon October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How October Weather in Grendon Compares to Other Months

Weather in Grendon varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Grendon, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Grendon, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (40°F)52 mm (2.0 inches)90%low
February Weather6°C (42°F)49 mm (1.9 inches)88%low
March Weather7°C (45°F)59 mm (2.3 inches)86%moderate
April Weather9°C (48°F)39 mm (1.5 inches)84%moderate
May Weather12°C (54°F)65 mm (2.6 inches)80%high
June Weather16°C (61°F)73 mm (2.9 inches)81%very high
July Weather18°C (65°F)69 mm (2.7 inches)76%very high
August Weather17°C (63°F)72 mm (2.8 inches)77%high
September Weather15°C (59°F)56 mm (2.2 inches)85%moderate
October Weather11°C (52°F)86 mm (3.4 inches)90%moderate
November Weather7°C (46°F)57 mm (2.2 inches)92%low
December Weather6°C (43°F)79 mm (3.1 inches)90%low

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