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

Weather in October

October, the same as September, in London, United Kingdom, is another mild autumn month, with average temperature ranging between max 15.3°C (59.5°F) and min 9.2°C (48.6°F).

Temperature

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

Humidity

In London, the average relative humidity is 82%.

Rainfall

In London, it is raining for 11.6 days, with typically 29mm (1.14") of accumulated precipitation. In London, during the entire year, the rain falls for 151.7 days and collects up to 370mm (14.57") of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

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

Sunshine

In London, United Kingdom, the average sunshine in October is 4.5h.

UV index

In October, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 3 in October transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the average humidity in October in London?

In October, the average relative humidity in London is 82%.

How much does it rain in London in October?

In October, in London, the rain falls for 11.6 days. Throughout October, 29mm (1.14") of precipitation is accumulated.

When it does not snow in London?

May through October are months without snowfall.

Does it snow in London in October?

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

What is the average length of the day in October in London?

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

How long on average sun shines in October in London?

In London, United Kingdom, the average sunshine in October is 4.5h.

What is the UV index reading in October in London?

In London, United Kingdom, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to the UV radiation.

Average temperature in October
London, United Kingdom

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).

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Average pressure in October
London, United Kingdom

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).

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Average wind speed in October
London, United Kingdom

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).

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Average humidity in October
London, United Kingdom

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%).

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Average rainfall in October
London, United Kingdom

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).

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Average rainfall days in October
London, United Kingdom

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).

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Average snowfall in October
London, United Kingdom

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).

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Average snowfall days in October
London, United Kingdom

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).

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Average daylight in October /
Average sunshine in October
London, United Kingdom

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).

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Average sunshine days in October
London, United Kingdom

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).

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Average UV index in October
London, United Kingdom

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).

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Average cloud cover in October
London, United Kingdom

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).

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Average visibility in October
London, United Kingdom

Average visibility in October - London, United Kingdom
  • Average visibility in October: 9km

Months with the highest visibility are January, February, March, April, May, June, July, August, October and December (9km).
Months with the lowest visibility are September and November (8km).

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