Click on a day for an hourly weather forecast
The weather in Christchurch in August is very cold with temperatures between 4°C and 12°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Christchurch during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Christchurch in August 2025.
If you’re planning to visit Christchurch in the near future, we highly recommend that you review the 14 day weather forecast for Christchurch before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 22° / 12° | 4 | 27 | 0 | 54 mm | Good | Christchurch in January |
| February | 21° / 12° | 3 | 25 | 0 | 53 mm | Good | Christchurch in February |
| March | 19° / 10° | 4 | 27 | 0 | 44 mm | Good | Christchurch in March |
| April | 17° / 8° | 4 | 26 | 0 | 61 mm | Good | Christchurch in April |
| May | 14° / 7° | 3 | 28 | 0 | 59 mm | Good | Christchurch in May |
| June | 11° / 5° | 5 | 25 | 0 | 74 mm | Ok | Christchurch in June |
| July | 11° / 4° | 5 | 26 | 0 | 50 mm | Ok | Christchurch in July |
| August | 12° / 4° | 5 | 26 | 0 | 67 mm | Ok | Christchurch in August |
| September | 14° / 5° | 4 | 26 | 0 | 40 mm | Good | Christchurch in September |
| October | 16° / 6° | 5 | 26 | 0 | 72 mm | Good | Christchurch in October |
| November | 18° / 8° | 4 | 26 | 0 | 53 mm | Good | Christchurch in November |
| December | 20° / 10° | 4 | 27 | 0 | 59 mm | Good | Christchurch in December |