Oneroa Weather in January
Oneroa in January sees high daytime temperatures of 23°C (73°F) and nighttime lows of 18°C (64°F). With just 71 mm (2.8 in) of rainfall on average, it's the driest month of the year.
Rainfall in Oneroa in January
As the driest month, it's a great time for hiking and exploring the area. Typically, about 10 days will experience rainfall, with an average of 71 mm (2.8 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Oneroa in January
If you're visiting Oneroa in January, expect perfect temperatures with highs of 23°C (73°F) and overnight lows of 18°C (64°F). Overall, the month follows a fairly predictable daily temperature pattern. Nights cool down to 18°C (64°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Oneroa in January
Expect a lot of sunshine this month, with about 230 hours of sun. These sunny conditions add to the overall experience.So this is a great month to visit if you prefer dry days with pleasant temperatures.
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 Oneroa's climate page.
Oneroa Temperature in January
Min Temperature
18°C (64°F)
Max Temperature
23°C (73°F)
Chance of Rain
33%
Precipitation
71 mm (2.8 in)
Rainy days
10 days
Humidity
79% *
Sunshine
230 hours *
Percentage Sunshine
58% *
Daily Historical Temperatures
50-year average (1976-2026)
Based on our historical records, temperatures in Oneroa typically stay consistent throughout January, with daily highs averaging around 23°C (73°F). Nights are pleasant, with lows around 16°C (61°F).
Average temperatures in January
Daily Historical Precipitation
50-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Oneroa in January
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 January
Based on 30 years of weather observations in Oneroa between 1995 and 2025, these are the recorded extremes.
- The warmest day in January was on January 12, 2018, with a maximum of 29°C (84°F).
- Oneroa experienced its chilliest January day on January 5, 1997, reaching only 17°C (63°F).
- The lowest overnight temperature recorded in January was 9°C (48°F) (January 11, 1998).
Best Places in New Zealand in January
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 January →
perfect weather
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tolerable
unpleasant
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What to Wear in Oneroa in January
For Oneroa in January, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Oneroa in January
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 Oneroa's climate page.
Temperature Rainfall Sunshine Humidity
See the full Oneroa climate overview or explore weather in New Zealand.
