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Oneroa Weather in May

In Oneroa, May brings pleasant daytime temperatures around 18°C (64°F), with nights cooling to 14°C (57°F). Expect quite a bit of rainfall this month.

Rainfall in Oneroa in May

Typically, you can expect about 15 days of rain this month, with 107 mm (4.2 in) on average. 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 May

May in Oneroa brings typical temperatures with highs around 18°C (64°F) and lows of 14°C (57°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. At 14°C (57°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Oneroa in May

With about 140 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

If you prefer dry days with pleasant temperatures, January, February, March, April and December 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.

Select a Month

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 May

Min TemperatureMin Temperature 14°C (57°F)  
Max TemperatureMax Temperature 18°C (64°F)  
Chance of RainChance of Rain 50%  
PrecipitationPrecipitation 107 mm (4.2 in)  
Rainy daysRainy days 15 days  
HumidityHumidity 85% *  
SunshineSunshine 140 hours *  
Percentage SunshinePercentage Sunshine 47% *  
* Data from: Auckland, New Zealand (32 KM, 20 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Oneroa typically stay consistent throughout May, with daily highs averaging around 18°C (64°F). Nights are cool, with lows typically ranging from 10°C (50°F) to 12°C (54°F).

Average temperatures in May

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 May

Historical weather for Oneroa in May

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 May

Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Oneroa.

  • On May 2, 2016, temperatures climbed to 23°C (73°F), marking the warmest May day on record.
  • The coldest May day was on May 30, 1989, with a maximum of 10°C (50°F).
  • Oneroa registered its coldest May night on May 28, 2014, with temperatures dropping to 2°C (36°F).

Best Places in New Zealand in May

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 May →

Map not visible? Whoops sorry! Please refresh the page.
Legend 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 May

Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Oneroa in May

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

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

Select a Month

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.

More climate data for Oneroa