Christchurch
December
Weather in Christchurch for December 2025
Your guide to Christchurch weather in December - trends and predictions
In general, the average temperature in Christchurch at the beginning of December is 18.7 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 19.1 °C by the end of December.
Christchurch experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 74.4 mm.
Temperatures
Rain 🌧️
9
Dry days
22
Rainy days
0
Snow days
19°/11°
Temperatures
22 km/h
Avg max wind
73 %
Avg humidity
Christchurch in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  17° | 2  17° | 3  23° | 4 21° | 5 20° | 6 17° | 7 16° |
| 8  19° | 9 22° | 10 20° | 11  20° | 12 17° | 13 18° | 14 21° |
| 15 20° | 16 20° | 17 19° | 18 18° | 19 20° | 20 20° | 21 20° |
| 22 22° | 23 20° | 24 20° | 25 20° | 26 19° | 27 17° | 28 17° |
| 29 23° | 30  19° | 31 19° |
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Temperatures trend during December in Christchurch
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. | Patchy rain possible | 17° /10° | 0.3 mm | 6 | |
| 2 Dec. | Overcast | 17° /9° | 1.7 mm | 6 | |
| 3 Dec. | Moderate rain at times | 23° /10° | 1.2 mm | 7 | |
| 4 Dec. | Patchy rain possible | 21° /11° | 1.2 mm | 7 | |
| 5 Dec. | Overcast | 20° /11° | 1.1 mm | 7 | |
| 6 Dec. | Patchy rain possible | 17° /9° | 1 mm | 6 | |
| 7 Dec. | Patchy rain possible | 16° /9° | 0.2 mm | 6 | |
| 8 Dec. | Partly cloudy | 19° /10° | 0.2 mm | 7 | |
| 9 Dec. | Partly cloudy | 22° /9° | 0.2 mm | 8 | |
| 10 Dec. | Partly cloudy | 20° /10° | 0.8 mm | 7 | |
| 11 Dec. | Sunny | 20° /9° | 2.8 mm | 7 | |
| 12 Dec. | Overcast | 17° /9° | 1.6 mm | 7 | |
| 13 Dec. | Overcast | 18° /9° | 0.2 mm | 7 | |
| 14 Dec. | Partly cloudy | 21° /10° | 0 mm | 8 | |
| 15 Dec. | Patchy rain possible | 20° /11° | 10.6 mm | 7 | |
| 16 Dec. | Partly cloudy | 20° /11° | 4.3 mm | 7 | |
| 17 Dec. | Patchy rain possible | 19° /11° | 1.9 mm | 7 | |
| 18 Dec. | Overcast | 18° /9° | 4.6 mm | 7 | |
| 19 Dec. | Sunny | 20° /10° | 1.9 mm | 7 | |
| 20 Dec. | Sunny | 20° /11° | 4.7 mm | 7 | |
| 21 Dec. | Patchy rain possible | 20° /11° | 1.8 mm | 7 | |
| 22 Dec. | Patchy rain possible | 22° /11° | 2 mm | 7 | |
| 23 Dec. | Patchy rain possible | 20° /12° | 3.4 mm | 6 | |
| 24 Dec. | Patchy rain possible | 20° /12° | 3 mm | 6 | |
| 25 Dec. | Patchy rain possible | 20° /12° | 0.8 mm | 6 | |
| 26 Dec. | Moderate or heavy rain shower | 19° /10° | 9.8 mm | 6 | |
| 27 Dec. | Patchy rain possible | 17° /10° | 1.8 mm | 6 | |
| 28 Dec. | Partly cloudy | 17° /10° | 4.8 mm | 6 | |
| 29 Dec. | Sunny | 23° /11° | 1.2 mm | 7 | |
| 30 Dec. | Cloudy | 19° /11° | 1.7 mm | 6 | |
| 31 Dec. | Cloudy | 19° /10° | 1 mm | 6 | |
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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.
Christchurch in December - FAQ
What are the expected maximum and minimum temperatures in Christchurch during December?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Christchurch during December?
Moderate rainfall is anticipated in Christchurch during December, with a total of 74.4 mm spread over approximately 22 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Christchurch during December?
The average wind speed in Christchurch during December is 22 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 💧
UV exposure in Christchurch during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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