Oamaru Weather in August
In Oamaru, August brings low daytime temperatures around 11°C (52°F), with nights cooling to 5°C (41°F). Some rainfall is to be expected.
Rainfall in Oamaru in August
Historically, the month has about 9 days of rain, averaging 54 mm (2.1 in) in total. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Oamaru in August
If you're visiting Oamaru in August, expect highs of 11°C (52°F) and overnight lows around 5°C (41°F). Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. At 5°C (41°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.If you prefer enjoying temperate temperatures and rain-free days, January and February typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit New Zealand, check out our Oamaru's climate page.
Oamaru Temperature in August
Min Temperature
5°C (41°F)
Max Temperature
11°C (52°F)
Chance of Rain
31%
Precipitation
54 mm (2.1 in)
Rainy days
9 days
Daily Historical Temperatures
47-year average (1976-2025)
Based on our historical records, temperatures in Oamaru typically stay consistent throughout August, with daily highs averaging around 11°C (52°F). Nights are cold, with lows around 5°C (41°F).
Average temperatures in August
Historical weather for Oamaru in August
Browse day-by-day weather records for Oamaru spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Oamaru historical weather extremes in August
Based on weather observations in Oamaru between 2006 and 2025, these are the recorded extremes during August.
- The hottest August day on record in Oamaru reached 21°C (70°F) (August 24, 2021).
- On August 7, 2016, Oamaru saw its coldest August day with temperatures maxing out at 3°C (37°F).
- Nighttime temperatures dropped to -3°C (27°F) on August 15, 2020, marking the coldest August night on record.
- The heaviest August precipitation occurred on August 3, 2016, when 29 mm (1.1 in) of precipitation fell.
Best Places in New Zealand in August
Find out more about the weather in New Zealand and which places have the best travel conditions in this month. See all of New Zealand in August →
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What to Wear in Oamaru in August
The weather can be unpredictable in August, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Rain is likely on several days, so bring a good rain jacket.What To Do in Oamaru in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit New Zealand, check out our Oamaru's climate page.
See the full Oamaru climate overview or explore weather in New Zealand.
