Wellington
New Zealand
Long-term weather forecast
Long-term weather forecast
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December weather forecast and Climate
Wellington, New Zealand

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A red cable bus on the road in Wellington, New Zealand, with the view of the sea, mountains and the city in the distance
A red cable bus on the road in Wellington, New Zealand, with the view of the sea, mountains and the city in the distance
  • The average high temperature in December: 18.6°C

The warmest month (with the highest average high temperature) is February (20.3°C).
The month with the lowest average high temperature is July (11.1°C).

  • The average low temperature in December: 12°C

The month with the highest average low temperature is February (13.3°C).
The coldest month (with the lowest average low temperature) is July (5.9°C).

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  • The average humidity in December: 79.7%

The month with the highest relative humidity is July (86.1%).
The month with the lowest relative humidity is November (78.9%).

  • The average rainfall in December: 93.5mm

The wettest month (with the highest rainfall) is July (136.4mm).
The driest month (with the lowest rainfall) is February (76.9mm).

  • The average rainfall days in December: 9 days

Months with the highest number of rainy days are June and July (13.3 days).
The month with the lowest number of rainy days is February (7 days).

  • The average sea temperature in December: 15.8°C

The best month for swimming (with the highest average sea temperature) is February (17.1°C).
The coldest month (with the lowest average sea temperature) is August (12.3°C).

  • The average daylight in December: 15h

Months with the longest days are January and December (Average daylight: 15h).
The month with shortest days is June (Average daylight: 9h).

  • The average sunshine in December: 7.2h

The month with most sunshine is January (Average sunshine: 7.8h).
The month with least sunshine is June (Average sunshine: 3.4h).

  • The average UV index in December: 10

The month with the highest UV index is January (UV index 11).
Months with the lowest UV index are June and July (UV index 1).

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