Oneroa
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Oneroa Weather in July

Oneroa in July sees moderate daytime temperatures of 15°C (59°F) and nighttime lows of 11°C (52°F). With the highest rainfall of the year it is wise to pack an umbrella and expect frequent showers.

Rainfall in Oneroa in July

It's the month with the heaviest rainfall, so an umbrella is a must to navigate the wet weather. This month experiences about 18 days of rain according to historical data, averaging 122 mm (4.8 in). This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Oneroa in July

In July, expect moderate temperatures in Oneroa, with highs of 15°C (59°F) and lows of 11°C (52°F) at night. Conditions are often most pleasant around the middle of the day. With lows of 11°C (52°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest. This month typically has the coolest temperatures of the year, yet they remain enjoyable and warm.

Sunshine in Oneroa in July

The city usually sees around 130 hours of sunlight, indicating a moderately sunny period.

July 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 July

Min Temperature
11°C (52°F)
Max Temperature
15°C (59°F)
Chance of Rain
59%
Precipitation
122 mm (4.8 in)
Rainy days
18 days
Humidity
88% *
Sunshine
130 hours *
Percentage Sunshine
48% *
* 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 July, with daily highs averaging around 15°C (59°F). Nights are cool, with lows around 8°C (46°F).

Average temperatures in July

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 July

Historical weather records for Oneroa in July

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 July

Based on 50 years of weather observations in Oneroa between 1976 and 2026, these are the recorded extremes.

  • The hottest July day on record in Oneroa reached 20°C (68°F) (July 4, 2025).
  • The lowest daytime temperature in July was 8°C (46°F), recorded on July 8, 1982.
  • Nighttime temperatures dropped to 0°C (32°F) on July 11, 1982, marking the coldest July night on record.

Best Places in New Zealand in July

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 July →

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 July

The weather can be unpredictable in July, 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. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Oneroa in July

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 July

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

Bucket list

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