ClimateForecastAprilMay >>

Climate in London (Greater London), United Kingdom

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Average monthly minimum and maximum temperature in London, the United Kingdom

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Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Average monthly hours of sunshine in London, the United Kingdom

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Daily percent of sunshine

The mean percent of hours of sunhours during the day over the year

Average monthly percentage of sunshine in London, the United Kingdom

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Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Average monthly rainfall, snow, precipitation in London, the United Kingdom

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Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average monthly rainy days in London, the United Kingdom

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Average humidity

The mean monthly relative humidity over the year

Average monthly relative humidity in London, the United Kingdom

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Average wind speed

The mean monthly wind speed over the year (in meters per second)

Average monthly wind speed in London, the United Kingdom

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Weather Forecasts for London

Tue   Apr 16
14°C | 6°C
NW 29 km/h
1.6 mm
broken clouds and  chance of rain

broken clouds and chance of rain

Wed   Apr 17
11°C | 5°C
NW 25 km/h
0.7 mm
partly cloudy and  chance of rain

partly cloudy and chance of rain

Thu   Apr 18
13°C | 4°C
W 22 km/h
overcast and no rain

overcast and no rain

The best time of year to visit London in the United Kingdom

London experiences a temperate maritime climate. This climate type is characterized by a tempered temperature because of the nearby sea water. In summer, the cooler seawater ensures that it is not extremely hot. In winter months, the relatively warm seawater ensures that the risk of extreme cold is much lower.

London has the image always to be wet and gray. But if you look at the whole of the United Kingdom, London is actually one of the most sunny and dry cities in the country. With a quantity of rain that comes out below six hundred millimetres per year, London is drier than for example Rome. With a number of hours of sunshine that averages around fifteen hundred a year, London is not to be called extremely sunny but it is not to bad as well.

Summers have pleasant temperatures with average high temperatures around 23°C and night temperatures of 13°C. Winters in London are cold, but the temperature is hardly below freezing. Snow occurs sometimes in winter but rarely settles more than a few millimetres deep.

Springs is a great period to visit London. During the day it is nice and warm, however in the evenings it is still very cool. In autumn months it can occasionally storm. The rainfall is evenly spread throughout the year.

During the months of June, July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:

  • Which is the warmest month in London?
    July has an average maximum temperature of 23°C and is the warmest month of the year.
  • Which is the coldest month in London?
    The coldest month is January with an average maximum temperature of 9°C.
  • Which is the wettest month in London?
    November tops the wettest month list with 68 mm of rainfall.
  • Which is the driest month in London?
    March is the driest month with 48 mm of precipitation.
  • Which is the sunniest month in London?
    July is the sunniest month with an average of 219 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.