Oneroa
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Oneroa Weather in August

Oneroa in August sees moderate daytime temperatures of 15°C (59°F) and nighttime lows of 11°C (52°F). Rainfall is fairly high this month at around 109 mm (4.3 in), so pack a rain jacket to stay dry.

Rainfall in Oneroa in August

Rain is expected on roughly 18 days, totalling around 109 mm (4.3 in) for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Oneroa in August

Daytime temperatures in Oneroa reach 15°C (59°F) in August, dropping to 11°C (52°F) at night. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to around 11°C (52°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable. Though this month features the lowest temperatures of the year, they are far from chilly and remain warm.

Sunshine in Oneroa in August

The area experiences a moderate amount of sunshine, with approximately 147 hours of sunlight expected. This means a decent mix of sun and overcast.

August in Oneroa can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

Oneroa Temperature in August

Min Temperature
11°C (52°F)
Max Temperature
15°C (59°F)
Chance of Rain
59%
Precipitation
109 mm (4.3 in)
Rainy days
18 days
Humidity
86% *
Sunshine
147 hours *
Percentage Sunshine
46% *
* Data from: Auckland, New Zealand (32 KM, 20 Miles).

Oneroa Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Oneroa - and find the best time to visit.

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Oneroa typically stay consistent throughout August, with daily highs averaging around 15°C (59°F). Nights are cool, with lows around 9°C (48°F).

Average temperatures in August

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

Historical weather records for Oneroa in August

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

Oneroa historical weather extremes in August

The extremes listed below come from historical weather data collected in Oneroa from 1976 through 2026.

  • The hottest August day on record in Oneroa reached 20°C (68°F) (August 31, 2024).
  • On August 16, 2011, Oneroa saw its coldest August day with temperatures maxing out at 9°C (48°F).
  • The lowest overnight temperature recorded in August was 2°C (36°F) (August 7, 2026).

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 →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Oneroa in August

Pack for changing conditions in Oneroa 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. Prepare for significant rainfall with proper waterproof clothing and shoes. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Oneroa in August

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

  • Swimming
    5/10
  • Cycling
    5/10
  • Walking
    5/10
  • Camping
    6/10
  • Outdoor sports
    9/10

Oneroa 3-Day Forecast

More climate data for Oneroa

Popular in August

Where to go in August - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.