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Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
The large Thames river overlooking the Westminster Palace and the Big Ben clock tower in London, United Kingdom
Weather in October
October in London ushers in the autumn season in earnest, with temperatures dropping steadily. The weather starkly contrasts that of September, introducing a characteristic chilly wind to the city. Heading into November, these autumn conditions persist, with temperatures continuing their downwards trend. Although rainfall is expected, October still offers many bright, beautiful days. The month has the highest average wind speed of 14.3km/h (8.9mph) for the year.
Temperature
With the commencement of October, London records a moderate temperature decline, with the average high easing from September's comfortable 19°C (66.2°F) to a still refreshing 15.3°C (59.5°F). In the month of October, the average low-temperature in London usually rests at a chilly 9.2°C (48.6°F).
Humidity
The average relative humidity in October is 82%.
Rainfall
In London, during October, the rain falls for 11.6 days and regularly aggregates up to 29mm (1.14") of precipitation. Throughout the year, there are 151.7 rainfall days, and 370mm (14.57") of precipitation is accumulated.
Snowfall
May through October are months without snowfall.
Daylight
The average length of the day in October in London is 10h and 40min.
On the first day of October in London, sunrise is at 7:02 am and sunset at 6:37 pm BST. On the last day of the month, sunrise is at 6:53 am and sunset at 4:34 pm GMT.
Note: On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends, and the time zone changes from BST to GMT. Daylight Saving Time starts again on Sunday, 30. March 2025, at 1:00 am; consequently, the time zone reverts from GMT to BST.
Sunshine
In October, the average sunshine is 4.5h.
UV index
In October, the average daily maximum UV index in London is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In October, the maximum UV index of 3 suggests these recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Updated: Feb 8, 2024
Published by: Weather Atlas | About Us
Data Sources |
Frequently asked questions
What is the usual temperature for London in October?
In October, the average high-temperature and low-temperature in London, United Kingdom, are 15.3°C (59.5°F) and 9.2°C (48.6°F) respectively.
What is the average humidity in October in London?
In London, the average relative humidity in October is 82%.
How much does it rain in London in October?
In October, the rain falls for 11.6 days. Throughout October, 29mm (1.14") of precipitation is accumulated.
When it does not snow in London?
In London, snow does not fall in May through October.
Does it snow in London in October?
In London, in October, it doesn't snow. In November, it regularly snows.
How many hours of daylight does London have in October?
In October, the average day length in London, United Kingdom, is 10h and 40min.
When is the sunrise / sunset in October in London?
In October, on the first day of the month, sunrise is at 7:02 am and sunset at 6:37 pm BST. On the last day of the month, sunrise is at 6:53 am and sunset at 4:34 pm GMT.
When does Daylight Saving Time (DST) end in October in London?
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends, and the time zone changes from BST to GMT. The next DST starts on Sunday, 30. March 2025, at 1:00 am.
How many hours of sunshine does London have in October?
The average sunshine duration in October in London, United Kingdom, is 4.5h.
What is the UV index reading in October in London?
In October, the average daily maximum UV index in London is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND
Sep
October
Nov
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
76%
82%
86%
Average rainfall
Average rainfall days
9.8
11.6
12.6
Average snowfall
Average snowfall days
0.3
Average daylight
12h 4min
10h 4min
8h 5min
Average sunshine
7h 1min
4h 3min
4h 0min
Average sunshine days
18.1
16.8
15.4
Average UV index
4
3
2
Average cloud cover
49%
56%
60%
Average visibility
Average temperature in October
London, United Kingdom
- Average high temperature in October: 15.3°C
The warmest month (with the highest average high temperature) is July (22.3°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in October: 9.2°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (2.2°C).
Average pressure in October
London, United Kingdom
- Average pressure in October: 1015.1mbar
The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1010.6mbar).
Average wind speed in October
London, United Kingdom
- Average wind speed in October: 14.3km/h
The windiest month (with the highest average wind speed) is February (17.3km/h).
The calmest month (with the lowest average wind speed) is September (12.6km/h).
Average humidity in October
London, United Kingdom
- Average humidity in October: 82%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (72%).
Average rainfall in October
London, United Kingdom
- Average rainfall in October: 29mm
The wettest month (with the highest rainfall) is June (45mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in October
London, United Kingdom
- Average rainfall days in October: 11.6 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is September (9.8 days).
Average snowfall in October
London, United Kingdom
- Average snowfall in October: 0mm
The month with the highest snowfall is February (16mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in October
London, United Kingdom
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in October /
Average sunshine in October
London, United Kingdom
- Average daylight in October: 10h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in October: 4h and 3min
The month with the most sunshine is August (Average sunshine: 7h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in October
London, United Kingdom
- Average sunshine days in October: 16.8 days
The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is June (12.2 days).
Average UV index in October
London, United Kingdom
- Average UV index in October: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in October
London, United Kingdom
- Average cloud cover in October: 56
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 49).
Average visibility in October
London, United Kingdom
- Average visibility in October: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, October and December (9km).
The months with the lowest visibility are September and November (8km).