Dunedin Weather in August

With daytime temperatures of 11°C (52°F) and nighttime lows of 2°C (36°F), August in Dunedin brings low temperatures during the day. Some rainfall is to be expected during the month.

Rainfall in Dunedin in August

You can expect rain on roughly 13 days based on historical data, averaging 56 mm (2.2 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Dunedin in August

In August, expect low temperatures in Dunedin, with highs of 11°C (52°F) and lows of 2°C (36°F) at night. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. Nights drop to 2°C (36°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Dunedin in August

The city usually sees around 122 hours of sunlight, indicating a moderately sunny period.

Wind Speed in Dunedin in August

August has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.

Average water temperature in August

At 9°C (48°F), the water is too cold for most people to swim comfortably. A wetsuit is pretty much essential if you plan to go in.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. February and March typically offer the best weather for Dunedin.

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

Dunedin Temperature in August

Min Temperature 2°C (36°F)  

Max Temperature 11°C (52°F)  

Water Temperature 9°C (48°F)  

Chance of Rain 44%  

Precipitation 56 mm (2.2 in)  

Rainy days 13 days  

Humidity 77%  

Windspeed 3 m/s (6 knots)  

Sunshine 122 hours  

Percentage Sunshine 41%  

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Dunedin typically stay consistent throughout August, with daily highs averaging around 11°C (52°F). Nights are cold, with lows around 4°C (39°F).

Average temperatures in August

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Historical weather for Dunedin in August

Browse day-by-day weather records for Dunedin 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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Dunedin historical weather extremes in August

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

• The hottest August day on record in Dunedin reached 20°C (68°F) (August 31, 2006).
• Dunedin experienced its chilliest August day on August 15, 2011, reaching only 3°C (37°F).
• Dunedin registered its coldest August night on August 10, 2006, with temperatures dropping to -7°C (19°F).

What to Wear in Dunedin in August

Pack for changing conditions in Dunedin 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. The water temperature sits at about 9°C (48°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Dunedin 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

6/10

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 Dunedin's climate page.

More climate data for Dunedin

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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