October Weather in London, United States

Last updated: June 24, 2025

In London, United States, the average temperature in October is a pleasant 14°C (58°F), with minimums dipping to -1°C (30°F) and highs soaring up to 33°C (92°F). This month also brings 95 mm (3.7 in) of precipitation over approximately 13 days, contributing to an average humidity of 78%. Such conditions create a unique and vibrant atmosphere, ideal for experiencing the local culture.

October Temperature in London

In October in London, the average temperature is 14°C (58°F). Maximums can reach 33°C (92°F), while minimums can drop as low as -1°C (30°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.

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

The chart illustrates October temperature patterns in London, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In London, October typically has an average temperature of 14°C (58°F), with highs reaching up to 33°C (92°F) and lows dropping to around -1°C (30°F).

Data source: Temperature data for London generated using information from the Copernicus Climate Change Service.

October Precipitation in London

In London in October, the precipitation amount is 95 mm (3.7 in) over the course of 13 days.

October Precipitation Trends in London

The chart displays monthly precipitation patterns in London, 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 London, October typically receives around 95 mm (3.7 inches) of precipitation spread over approximately 13 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in London

In London in October, humidity is 78%. With an average temperature of 14°C (58°F), this humidity feels like a damp embrace, making traveling a bit uncomfortable as the air clings to your skin, causing you to sweat more than usual while exploring.

October Average Humidity in London

This chart illustrates the average monthly humidity levels in London, 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 London is approximately 78%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in London

In London in October, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in London, you can refer to this Hourly UV Index in London.

Maximum UV Index Levels in London for October

The chart shows the monthly maximum UV Index (UVI) for London 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 London typically reaches 6, which falls under the high exposure category.

Data source: London 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 London Compares to Other Months

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

This table compares monthly weather conditions in London, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (30°F)	75 mm (3.0 inches)	88%	moderate
February Weather	1°C (34°F)	104 mm (4.1 inches)	88%	moderate
March Weather	6°C (42°F)	108 mm (4.2 inches)	87%	high
April Weather	11°C (52°F)	111 mm (4.4 inches)	85%	very high
May Weather	17°C (64°F)	131 mm (5.1 inches)	81%	very high
June Weather	22°C (72°F)	134 mm (5.3 inches)	82%	very high
July Weather	24°C (75°F)	120 mm (4.7 inches)	81%	very high
August Weather	23°C (73°F)	99 mm (3.9 inches)	73%	very high
September Weather	20°C (69°F)	94 mm (3.7 inches)	73%	very high
October Weather	14°C (58°F)	95 mm (3.7 inches)	78%	high
November Weather	5°C (42°F)	95 mm (3.7 inches)	89%	moderate
December Weather	2°C (36°F)	95 mm (3.8 inches)	87%	moderate