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New Zealand weather

Weather in Christchurch for December 2025

Your guide to Christchurch weather in December - trends and predictions

    Temperatures

  • So far, December 2025 in Christchurch is slightly warmer than the historical average by 0.8 °C.

  • The forecast for the next days in Christchurch predicts temperatures to be around 19 °C, close to the historical average.

  • In general, the average temperature in Christchurch at the beginning of December is 19.1 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 19.4 °C by the end of December.

    • Rain 🌧️

  • Christchurch experiences moderate rainfall in December, with an average of 10 rainy days and a total precipitation of 347.4 mm.

Average dry days
21
Dry days
Average rainy days
10
Rainy days
Average snowy days
0
Snow days
Average temperatures
24°/8°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Christchurch Weather December

Move between months or click on a day
November
January
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy rain possible
18°
2
Overcast
18°
3
Moderate rain at times
21°
4
Partly cloudy
20°
5
Overcast
21°
6
Patchy rain possible
17°
7
Patchy rain possible
19°
8
Partly cloudy
20°
9
Partly cloudy
23°
10
Partly cloudy
21°
11
Sunny
20°
12
Overcast
17°
13
Overcast
19°
14
Partly cloudy
21°
15
Patchy rain possible
20°
16
Patchy rain possible
22°
17
Patchy rain possible
17°
18
Partly cloudy
17°
19
Patchy rain possible
22°
20
Patchy rain possible
14°
21
Patchy rain possible
15°
22
Partly cloudy
16°
23
Sunny
19°
24
Partly cloudy
23°
25
Overcast
17°
26
Sunny
20°
27
Patchy rain possible
19°
28
Partly cloudy
22°
29
Sunny
20°
30
Cloudy
19°
31
Cloudy
19°

Temperatures trend during December in Christchurch

See the weather trend as well as the moving average line

December weather in Christchurch day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
1 Dec. Patchy rain possible
Patchy rain possible
 18° /10° 0.3 mm 7
2 Dec. Overcast
Overcast
 18° /9° 1.3 mm 7
3 Dec. Moderate rain at times
Moderate rain at times
 21° /10° 2.2 mm 7
4 Dec. Partly cloudy
Partly cloudy
 20° /10° 1 mm 7
5 Dec. Overcast
Overcast
 21° /10° 0.9 mm 8
6 Dec. Patchy rain possible
Patchy rain possible
 17° /9° 0.8 mm 7
7 Dec. Patchy rain possible
Patchy rain possible
 19° /10° 0.2 mm 7
8 Dec. Partly cloudy
Partly cloudy
 20° /10° 0.3 mm 7
9 Dec. Partly cloudy
Partly cloudy
 23° /9° 0.1 mm 8
10 Dec. Partly cloudy
Partly cloudy
 21° /11° 0.6 mm 8
11 Dec. Sunny
Sunny
 20° /9° 2.2 mm 7
12 Dec. Overcast
Overcast
 17° /9° 1.5 mm 7
13 Dec. Overcast
Overcast
 19° /9° 0.1 mm 7
14 Dec. Partly cloudy
Partly cloudy
 21° /10° 0 mm 8
15 Dec. Patchy rain possible
Patchy rain possible
 20° /11° 10.6 mm 7
16 Dec. Patchy rain possible
Patchy rain possible
 22° /10° 1.6 mm 2.3
17 Dec. Patchy rain possible
Patchy rain possible
 17° /9° 2.8 mm 2.5
18 Dec. Partly cloudy
Partly cloudy
 17° /10° 0 mm 1.8
19 Dec. Patchy rain possible
Patchy rain possible
 22° /9° 4.4 mm 1.8
20 Dec. Patchy rain possible
Patchy rain possible
 14° /7° 3.5 mm 0
21 Dec. Patchy rain possible
Patchy rain possible
 15° /7° 2.1 mm 6
22 Dec. Partly cloudy
Partly cloudy
 16° /10° 0 mm 7
23 Dec. Sunny
Sunny
 19° /11° 0 mm 8
24 Dec. Partly cloudy
Partly cloudy
 23° /13° 0.1 mm 8
25 Dec. Overcast
Overcast
 17° /12° 0 mm 6
26 Dec. Sunny
Sunny
 20° /13° 0 mm 8
27 Dec. Patchy rain possible
Patchy rain possible
 19° /12° 0.1 mm 7
28 Dec. Partly cloudy
Partly cloudy
 22° /14° 0 mm 8
29 Dec. Sunny
Sunny
 20° /14° 0 mm 8
30 Dec. Cloudy
Cloudy
 19° /11° 1.7 mm 6
31 Dec. Cloudy
Cloudy
 19° /10° 1 mm 6
Next
Important Notice
Our weather forecast for Christchurch in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Christchurch forecast closer to your planned date for the most up-to-date weather information.
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Christchurch in December - FAQ

What are the expected maximum and minimum temperatures in Christchurch during December?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Christchurch during December?
Significant rainfall exceeding 347.4 mm is expected in Christchurch during December, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Christchurch during December?
The average wind speed in Christchurch during December is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Christchurch

Explore the daily rainfall trends and prepare for Christchurchs December weather 💧
Typically, Christchurch has 10 rainy days in December with a total of 347.4 mm of rainfall.

UV exposure in Christchurch during December

Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️

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Get accurate weather forecasts for Christchurch, located at latitude -43.533 and longitude 172.633. Stay updated with localized weather information tailored for Christchurch.

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