October weather forecast and climate
London, United Kingdom

The large Thames river overlooking the Westminster Palace and the Big Ben clock tower in London, United Kingdom
The large Thames river overlooking the Westminster Palace and the Big Ben clock tower in London, United Kingdom
October, the same as September, in London, United Kingdom, is a moderate autumn month, with temperature in the range of an average high of 15.3°C (59.5°F) and an average low of 9.2°C (48.6°F).

Temperature

In London, United Kingdom, the average high-temperature in October marginally drops, from an enjoyable 19°C (66.2°F) in September, to a mild 15.3°C (59.5°F). The average low-temperature, in October, is 9.2°C (48.6°F).

Humidity

In October, the average relative humidity is 82%.

Rainfall

In London, in October, it is raining for 11.6 days, with typically 29mm (1.14") of accumulated precipitation. Throughout the year, in London, there are 151.7 rainfall days, and 370mm (14.57") of precipitation is accumulated.

Snowfall

May through October are months without snowfall in London.

Daylight

In October, the average length of the day in London is 10.7h.

Sunshine

In London, the average sunshine is 4.5h.

UV index

In London, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 3 in October transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in October in London?

In London, United Kingdom, in October, the average high-temperature is 15.3°C (59.5°F), and the average low-temperature is 9.2°C (48.6°F).

What is the average humidity in October in London?

The average relative humidity in October in London, United Kingdom, is 82%.

How many days does it rain in October in London?

In London, in October, during 11.6 rainfall days, 29mm (1.14") of precipitation is typically accumulated.

Does it snow in London in October?

In London, United Kingdom, in October, it doesn't snow. In November, it regularly snows.

When it does not snow in London?

In London snow does not fall in May through October.

How many hours of daylight does London have in October?

In October, the average length of the day in London, United Kingdom, is 10.7h.

How many hours of sunshine does London have in October?

In October, the average sunshine is 4.5h.

How high is the UV index in October in London?

In October, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV radiation.
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 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).
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).
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: 10.7h

The month with the longest days is June (Average daylight: 16.5h).
The month with the shortest days is December (Average daylight: 7.9h).

  • Average sunshine in October: 4.5h

The month with the most sunshine is August (Average sunshine: 7.9h).
The month with the least sunshine is February (Average sunshine: 3.6h).

Average UV index in October - London, United Kingdom
  • Average UV index in October: 3

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 2).