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Christchurch in December: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Christchurch in December will be like? Take a look at our weather guide for Christchurch, based on historical data.
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December

Weather in Christchurch in December 2024

Good Weather
Mild
☁️
Cloudy
Planning a trip to Christchurch in December? You are in luck! The weather is generally good, with an average maximum temperature of +70°F and approximately 5 sunny days. Just be prepared for some rain, as there are usually around 6 rainy days and 60 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.

Average weather

☀️
+70°F
Avg. max. temperature
+39°F
Min.
+90°F
Max.
60 mm
Total precipitation
69%
Avg. humidity
3 m/s
Avg. wind
5 ☀️
Sunny Days
20 ⛅️
Cloudy
6 🌦
Rainy
Our opinion: Christchurch has good weather in December.

Average temperature in Christchurch in December

Here are the expected maximum, average and minimum temperatures in Christchurch for December based on the historical data.
Last Year
Historical Data

Going from a maximum of +84°F during the day to a minimum of +45°F during the night, the temperature in December averages around +72°F.

The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +68°F to +68°F.

Is Christchurch warm or cold in December?

Christchurch is typically mild in December.

Maximum temperatures go up compared to the previous month from +66°F to +70°F. The minimum temperature also goes up from +50°F to +54°F.

Pack a light jacket as it will be warm in the day and cool in the evenings.

December is one of the warmest months in Christchurch, here is the comparison with other months:

Climate in Christchurch in December

Christchurch weather looks like this, on average, in December and the surrounding months.
NovemberDecemberJanuary
Avg. temperature
+66°F+70°F+72°F
Min. temperature
+34°F+39°F+39°F
Max. temperature
+88°F+90°F+95°F
Rainfall
53 mm60 mm47 mm
Wind
3 m/s3 m/s3 m/s
Humidity
69%69%68%
Air pressure
1008 HPa1009 HPa1009 HPa
Sunny days
556
Cloudy days
202020
Rainy days
565
Snowy days
000

December weather is still as good as in November. It’s getting warmer as December arrives. The average maximum temperature goes up from +66°F to +70°F during the day. Prepare for more rain. Average rainfall goes from 53 mm to 60 mm. Humidity levels don’t change as the month goes on, averaging around 69%. The average wind speed doesn’t change much during December, staying around 3 m/s. The amount of sunny days stay about the same, averaging 5 sunny days during the month.

January brings much the same weather, it remains good.

Wind

Wind speed in Christchurch in December based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Christchurch is gradually decreasing during December, going from 4 m/s to 3 m/s over the course of the month.

Rain

Amount of rainfall in mm during December in Christchurch based on historical data.
Last Year
Historical Data
Total precipitation in December is about 54 mm, with a 39% chance of rain on a typical day. The maximum amount of rainfall per day is around 17 mm, which is considered light rain. December is a pretty wet month with over 12 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
December is one of the rainiest months in Christchurch, here is a comparison with other months, total mm:
Christchurch wettest month is December, where a typical day has a 19% chance of precipitation and 60 mm of rainfall per day. February, on the other hand, is the driest month with a mere 14% chance of precipitation and 44 mm of rainfall per day.

How was the weather last December in Christchurch?

This is the weather in Christchurch in December 2023:
1 December
🌧️
+68°F
2 December
☁️
+60°F
3 December
☁️
+73°F
4 December
☁️
+76°F
5 December
☁️
+69°F
6 December
☁️
+64°F
7 December
☁️
+65°F
8 December
☁️
+67°F
9 December
☁️
+76°F
10 December
☀️
+79°F
11 December
☁️
+72°F
12 December
☁️
+71°F
13 December
☁️
+77°F
14 December
☁️
+81°F
15 December
☁️
+75°F
16 December
☁️
+80°F
17 December
🌧️
+73°F
18 December
🌧️
+60°F
19 December
🌧️
+62°F
20 December
☁️
+63°F
21 December
☁️
+64°F
22 December
☁️
+67°F
23 December
☁️
+68°F
24 December
☀️
+72°F
25 December
☁️
+73°F
26 December
☁️
+72°F
27 December
☁️
+70°F
28 December
☀️
+82°F
29 December
☀️
+84°F
30 December
☁️
+65°F
31 December
☁️
+67°F
In December 2023 Christchurch had 4 sunny days, 23 cloudy days, and 4 rainy days. The average maximum temperature was +72°F, with an absolute maximum of +84°F and a minimum of +59°F. The average humidity was 72%, with a maximum of 100% and a minimum of 25%. The average wind speed was 4 m/s, with a maximum of 12 m/s and a minimum of 0 m/s.
Are you planning a trip in December?

Climate Change Over the Years

This is how Christchurch climate has changed over the last 43 years.

The climate in Christchurch in December has not changed that much over the last 43 years.

The average temperature was the lowest in 2004 (+67°F) and the highest in 2021 (+79°F). The driest year was 2003 with only 13 mm of rainfall, and the wettest year was 2021 with 238 mm.

FAQ

Frequently asked questions about the weather in Christchurch in December:

Is December a good time to visit Christchurch?

December is a really good time to go to Christchurch. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Christchurch.

Can you sunbathe in Christchurch in December?

December has mild temperatures in Christchurch. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Christchurch rainy in December?

Christchurch is often rainy in December. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Christchurch in December?

Usually, it’s not very sunny in Christchurch in December, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in New Zealand

Check out the weather for other cities in New Zealand.

Monthly weather in Christchurch

Source of the data

For this page, we’ve looked at the typical weather in Christchurch, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.