Long-term weather forecast
Long-term weather forecast

December weather forecast and Climate
Valletta, Malta

The cityscape of Valletta, Malta, viewed from the clear blue waters of the sea
The cityscape of Valletta, Malta, viewed from the clear blue waters of the sea
  • The average high temperature in December: 16.7°C

Warmest months (with the highest average high temperature) are July and August (30.7°C).
The month with the lowest average high temperature is January (15.2°C).

  • The average low temperature in December: 11°C

The month with the highest average low temperature is August (21.8°C).
The coldest month (with the lowest average low temperature) is January (9.2°C).

  • The average rainfall in December: 112mm

The wettest month (with the highest rainfall) is December (112mm).
The driest month (with the lowest rainfall) is July (0mm).

  • The average rainfall days in December: 13 days

Months with the highest number of rainy days are January and December (13 days).
The month with the lowest number of rainy days is July (0 days).

  • The average sea temperature in December: 18.2°C

The best month for swimming (with the highest average sea temperature) is August (26.1°C).
Coldest months (with the lowest average sea temperature) are February and March (15.4°C).

  • The average daylight in December: 10h

The month with the longest days is June (Average daylight: 15h).
Months with shortest days are January, November and December (Average daylight: 10h).

  • The average sunshine in December: 5.2h

The month with most sunshine is July (Average sunshine: 12.1h).
The month with least sunshine is December (Average sunshine: 5.2h).

  • The average UV index in December: 2

Months with the highest UV index are June and July (UV index 10).
Months with the lowest UV index are January and December (UV index 2).