Christchurch weather

Our guide to the weather in Christchurch during August

12

Average high

3

UV Index

64mm

Monthly rainfall

9

Sea temperature

We've looked at the most up-to-date weather data for Christchurch, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Christchurch weather in August.

What's the temperature like in Christchurch during August?

The temperature reaches around 12℃ during the daytime in August, falling away to 4℃ at night. Remember that in August it's winter in the souther hemisphere! The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.

Does it snow in Christchurch during August?

Possibly. There's a chance of snow during August but not as much as you might think. Check the local forecast before you leave home so that you can pack appropriate footwear and clothing.

Does it rain in Christchurch during August?

On average, there will be 5 rainy days during the month, amounting to 64.1mm in total. That's broadly comparable with the amount of rain we see in England during the summer months, and would be considered dry. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Christchurch during August?

You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in August. With cool air temperatures, any breeze will feel cold.

Is it too cold to swim in the sea in Christchurch during August?

The water around Christchurch is a bracing 9℃ during August and is too cold for for swimming. Those who frequently swim in cold open water might want to take a very quick dip, but prolonged exposure could cause hypothermia. A winter wetsuit will allow longer exposure to the water.

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Weather in Christchurch

Our month-by-month guide to the weather and climate in Christchurch

21.6

Christchurch weather in

January
21.3

Christchurch weather in

February
19.3

Christchurch weather in

March
16.7

Christchurch weather in

April
14.0

Christchurch weather in

May
11.0

Christchurch weather in

June
10.5

Christchurch weather in

July
11.9

Christchurch weather in

August
13.6

Christchurch weather in

September
15.4

Christchurch weather in

October
17.6

Christchurch weather in

November
19.7

Christchurch weather in

December