Christchurch Weather in August

Christchurch in August averages 13°C (55°F) during the day and 4°C (39°F) at night. This is part of the winter season. Some rainfall is to be expected.

Rainfall in Christchurch in August

Rain is expected on roughly 12 days, totalling around 58 mm (2.3 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Christchurch in August

In August, Christchurch gets moderate temperatures, with highs of 13°C (55°F). Nights cool to around 4°C (39°F). August marks the winter season. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With overnight lows of 4°C (39°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Christchurch in August

The city usually sees around 153 hours of sunlight, indicating a moderately sunny period.

Wind Speed in Christchurch in August

Wind speeds average 3 m/s (6 knots) during August. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.

Average water temperature in August

With water temperatures around 10°C (50°F), swimming isn't really an option for most visitors. The cold sets in quickly and a wetsuit won't fully solve it.

If you're looking for dry conditions and comfortable temperatures, August may not be the ideal month to visit Christchurch. Our weather planner can help you explore destinations with more pleasant weather conditions.

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For a detailed overview over the year and the best time to visit New Zealand, check out our Christchurch's climate page.

Christchurch Temperature in August

Min Temperature 4°C (39°F)  

Max Temperature 13°C (55°F)  

Water Temperature 10°C (50°F)  

Chance of Rain 40%  

Precipitation 58 mm (2.3 in)  

Rainy days 12 days  

Humidity 86%  

Windspeed 3 m/s (6 knots)  

Sunshine 153 hours  

Percentage Sunshine 48%  

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Christchurch typically stay consistent throughout August, with daily highs averaging around 13°C (55°F). Nights are cold, with lows typically ranging from 2°C (36°F) to 5°C (41°F).

Average temperatures in August

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Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in August

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Historical weather for Christchurch in August

Browse day-by-day weather records for Christchurch spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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Christchurch historical weather extremes in August

According to our 49 years of weather records for Christchurch, the following extremes were recorded between 1976 and 2025.

• The hottest August day on record in Christchurch reached 22°C (72°F) (August 30, 2020).
• On August 27, 1992, Christchurch saw its coldest August day with temperatures maxing out at 3°C (37°F).
• Christchurch registered its coldest August night on August 4, 2024, with temperatures dropping to -5°C (23°F).

What to Wear in Christchurch in August

Pack for changing conditions in Christchurch in August. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Rain gear is recommended, you can expect wet weather on multiple days. With water temperatures around 10°C (50°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Christchurch in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit New Zealand, check out our Christchurch's climate page.

More climate data for Christchurch

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Christchurch climate overview or explore weather in New Zealand.