Greenwich
United Kingdom
Long-term weather forecast
Long-term weather forecast
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December weather forecast and Climate
Greenwich, United Kingdom

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  • The average high temperature in December: 8.6°C

The warmest month (with the highest average high temperature) is July (23.2°C).
The month with the lowest average high temperature is January (8.3°C).

  • The average low temperature in December: 2.8°C

The month with the highest average low temperature is July (13.9°C).
The coldest month (with the lowest average low temperature) is February (2.4°C).

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  • The average humidity in December: 82%

The month with the highest relative humidity is December (82%).
Months with the lowest relative humidity are June and July (60%).

  • The average rainfall in December: 53mm

The wettest month (with the highest rainfall) is October (68.8mm).
The driest month (with the lowest rainfall) is February (38.2mm).

  • The average rainfall days in December: 9.9 days

The month with the highest number of rainy days is January (10.8 days).
The month with the lowest number of rainy days is August (7.6 days).

  • The average snowfall days in December: 3 days

Months with the highest number of snowfall days are January and February (4 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

  • The average sunshine in December: 1.2h

The month with most sunshine is August (Average sunshine: 6.3h).
The month with least sunshine is December (Average sunshine: 1.2h).

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