December weather - Summer 2024 - Wellington, New Zealand

Weather in December
Frequently asked questions
Average temperature in December
Average pressure in December
Average wind speed in December
Average humidity in December
Average rainfall in December
Average rainfall days in December
Average sea temperature in December
Average daylight in December
Average sunshine in December
Average sunshine days in December
Average UV index in December
Average cloud cover in December
Average visibility in December

A red cable bus on the road in Wellington, New Zealand, with the view of the sea, mountains, and the city in the distance

Weather in December

December rings in the return of summer to Wellington. There is an apparent surge in temperatures compared to November, lending a festive air to the city. The daylight hours extend, bringing along an increased UV index. Wind speeds remain similar to the previous month, offering a cool respite from the heat. December in Wellington paints a lively picture, complete with warm days, longer evenings, and plenty of sunshine.

Temperature

The shift from November to December is characterized by an average high-temperature of a still refreshing 17.2°C (63°F), not significantly different from the 15.2°C (59.4°F) of November. A modest dip in temperatures to an average of 14°C (57.2°F) is observed throughout Wellington's December nights.

Humidity

February through April and December, with an average relative humidity of 80%, are the most humid months in Wellington.

Rainfall

In Wellington, in December, it is raining for 11.8 days, with typically 37mm (1.46") of accumulated precipitation. In Wellington, during the entire year, the rain falls for 144.3 days and collects up to 394mm (15.51") of precipitation.

Sea temperature

In Wellington, the average seawater temperature in December is 15.8°C (60.4°F).
Note: Swimming is not a pleasurable activity for the majority in water at 15.8°C (60.4°F). Breathing control gets harder as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).

Daylight

December has the longest days of the year, with an average of 15h and 6min of daylight.
On the first day of the month, sunrise is at 5:42 am and sunset at 8:37 pm. On the last day of December, in Wellington, sunrise is at 5:50 am and sunset at 8:57 pm NZDT.

Sunshine

December has the most sunshine of the year, with an average of 9.4h of sunshine.

UV index

The months with the highest UV index in Wellington, New Zealand, are January through March and December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: A maximum daily UV index of 5 during December morphs into the following directions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

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Frequently asked questions

What is the average December temperature in Wellington?

In December, in Wellington, the average high-temperature is 17.2°C (63°F), and the average low-temperature is 14°C (57.2°F).

What are the most humid months in Wellington?

The months with the highest humidity in Wellington, New Zealand, are February through April and December, with an average relative humidity of 80%.

What is the average humidity in December in Wellington?

In Wellington, the average relative humidity in December is 80%.

How many days does it rain in December in Wellington?

In Wellington, New Zealand, during December, the rain falls for 11.8 days and regularly aggregates up to 37mm (1.46") of precipitation.

What is the sea water temperature in December in Wellington?

In December, the average sea temperature in Wellington is 15.8°C (60.4°F). Swimming in 15.8°C (60.4°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

When are the longest days in Wellington?

The month with the longest days is December, with an average of 15h and 6min of daylight.

What is the average length of the day in December in Wellington?

In December, the average day length in Wellington is 15h and 6min.

What time are sunrise and sunset in December in Wellington?

In December, on the first day of the month, sunrise is at 5:42 am and sunset at 8:37 pm. On the last day of the month, in Wellington, sunrise is at 5:50 am and sunset at 8:57 pm NZDT.

What month has the most sunshine in Wellington?

December has the most sunshine of the year in Wellington, with an average of 9.4h of sunshine.

How many hours of sunshine does Wellington have in December?

In Wellington, New Zealand, the average sunshine duration in December is 9.4h.

What are the months with the highest UV index in Wellington?

The months with the highest UV index in Wellington are January through March and December, with an average maximum UV index of 5.

How high is the UV index in December in Wellington?

In Wellington, New Zealand, the average daily maximum UV index in December is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

15.2°C 59.4°F

17.2°C 63°F

18.5°C 65.3°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

27.6km/h 17.1mph

26km/h 16.2mph

27.2km/h 16.9mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

10.7

11.8

9.6

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

16.4

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Wellington, New Zealand

Average high temperature in December: 17.2°C

The warmest month (with the highest average high temperature) is February (18.8°C).
The month with the lowest average high temperature is July (11.4°C).

Average low temperature in December: 14°C

The month with the highest average low temperature is February (15.4°C).
The coldest month (with the lowest average low temperature) is July (9°C).

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Average pressure in December
Wellington, New Zealand

Average pressure in December: 1013.3mbar

The month with the highest atmospheric pressure is March (1017.7mbar).
The months with the lowest atmospheric pressure are September and November (1012.2mbar).

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Average wind speed in December
Wellington, New Zealand

Average wind speed in December: 24.5km/h

The windiest month (with the highest average wind speed) is September (26.9km/h).
The calmest month (with the lowest average wind speed) is March (23.1km/h).

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Average humidity in December
Wellington, New Zealand

Average humidity in December: 80%

The months with the highest relative humidity are February, March, April and December (80%).
The month with the lowest relative humidity is July (78%).

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Average rainfall in December
Wellington, New Zealand

Average rainfall in December: 37mm

The wettest month (with the highest rainfall) is June (47mm).
The driest months (with the least rainfall) are January and February (20mm).

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Average rainfall days in December
Wellington, New Zealand

Average rainfall days in December: 11.8 days

The month with the highest number of rainy days is June (14.5 days).
The month with the least rainy days is February (8 days).

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Average sea temperature in December
Wellington, New Zealand

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).

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Average daylight in December /
Average sunshine in December
Wellington, New Zealand

Average daylight in December: 15h and 1min

The month with the longest days is December (Average daylight: 15h and 6min).
The month with the shortest days is June (Average daylight: 9h and 12min).

Average sunshine in December: 9h and 2min

The month with the most sunshine is December (Average sunshine: 9h and 24min).
The month with the least sunshine is June (Average sunshine: 5h and 24min).

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Average sunshine days in December
Wellington, New Zealand

Average sunshine days in December: 16.4 days

The month with the most sunshine days is March (19 days).
The month with the least sunshine days is June (11.5 days).

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Average UV index in December
Wellington, New Zealand

Average UV index in December: 5

The months with the highest UV index are January, February, March and December (UV index 5).
The months with the lowest UV index are May and June (UV index 3).

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Average cloud cover in December
Wellington, New Zealand

Average cloud cover in December: 36

The month with the most cloud cover is June (Cloud cover 44).
The month with the least cloud cover is February (Cloud cover 30).

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Average visibility in December
Wellington, New Zealand

Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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December weather forecast
Wellington, New Zealand

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