Beach
Onetaunga Bay
Auckland · New Zealand · Tasman Sea
-36.8217, 174.6979 · Chatswood, 1 km
- 21°Sea · February
- 24°High · February
- 9.3 hSunshine · January
Your month at the beach
Onetaunga Bay in January
- 23°CAir, daytime high17°C at night
- 20°CSea temperature
- 9.3 hSunshine a day
- 7 daysRainy days in the month58 mm in total
- 20 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Onetaunga Bay in February
- 24°CAir, daytime high17°C at night
- 21°CSea temperature
- 8.0 hSunshine a day
- 8 daysRainy days in the month64 mm in total
- 18 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Onetaunga Bay in March
- 22°CAir, daytime high16°C at night
- 21°CSea temperature
- 7.4 hSunshine a day
- 8 daysRainy days in the month72 mm in total
- 18 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Onetaunga Bay in April
- 20°CAir, daytime high14°C at night
- 19°CSea temperature
- 6.2 hSunshine a day
- 10 daysRainy days in the month83 mm in total
- 18 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Onetaunga Bay in May
- 17°CAir, daytime high12°C at night
- 18°CSea temperature
- 5.0 hSunshine a day
- 13 daysRainy days in the month118 mm in total
- 20 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Onetaunga Bay in June
- 15°CAir, daytime high10°C at night
- 16°CSea temperature
- 4.3 hSunshine a day
- 14 daysRainy days in the month106 mm in total
- 22 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Onetaunga Bay in July
- 14°CAir, daytime high9°C at night
- 14°CSea temperature
- 4.7 hSunshine a day
- 14 daysRainy days in the month115 mm in total
- 21 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Onetaunga Bay in August
- 14°CAir, daytime high9°C at night
- 14°CSea temperature
- 5.5 hSunshine a day
- 15 daysRainy days in the month100 mm in total
- 21 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Onetaunga Bay in September
- 16°CAir, daytime high10°C at night
- 14°CSea temperature
- 6.5 hSunshine a day
- 13 daysRainy days in the month86 mm in total
- 22 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Onetaunga Bay in October
- 17°CAir, daytime high12°C at night
- 15°CSea temperature
- 7.4 hSunshine a day
- 12 daysRainy days in the month80 mm in total
- 23 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Onetaunga Bay in November
- 19°CAir, daytime high13°C at night
- 17°CSea temperature
- 8.4 hSunshine a day
- 10 daysRainy days in the month52 mm in total
- 22 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Onetaunga Bay in December
- 21°CAir, daytime high15°C at night
- 19°CSea temperature
- 8.3 hSunshine a day
- 10 daysRainy days in the month81 mm in total
- 21 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
The beach itself
- 7Places to stay within 5 kmHotels, guest houses, apartments and campsites · OpenStreetMap
- 23 kmAirport: Auckland International Airport (AKL)In a straight line; by road it is further
No reliable information yet on: bathing water quality, wheelchair access, lifeguards.
January from 2020 to 2025
In January 2025 the sea averaged 20.6 °C — 0.3 °C above the 1991–2020 average.
1991–2020 average: 20.3 °C
1991–2020 average: 23.0 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
February from 2020 to 2025
In February 2025 the sea averaged 22.5 °C — 1.4 °C above the 1991–2020 average.
1991–2020 average: 21.1 °C
1991–2020 average: 23.5 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
March from 2020 to 2025
In March 2025 the sea averaged 21.9 °C — 1.3 °C above the 1991–2020 average.
1991–2020 average: 20.6 °C
1991–2020 average: 22.1 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
April from 2020 to 2025
In April 2025 the sea averaged 20.6 °C — 1.2 °C above the 1991–2020 average.
1991–2020 average: 19.4 °C
1991–2020 average: 19.7 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
May from 2020 to 2025
In May 2025 the sea averaged 18.6 °C — 0.8 °C above the 1991–2020 average.
1991–2020 average: 17.8 °C
1991–2020 average: 17.1 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
June from 2020 to 2025
In June 2025 the sea averaged 16.6 °C — 0.7 °C above the 1991–2020 average.
1991–2020 average: 15.9 °C
1991–2020 average: 14.8 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
July from 2020 to 2025
In July 2025 the sea averaged 15.4 °C — 1.0 °C above the 1991–2020 average.
1991–2020 average: 14.4 °C
1991–2020 average: 13.6 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
August from 2020 to 2025
In August 2025 the sea averaged 14.4 °C — 0.6 °C above the 1991–2020 average.
1991–2020 average: 13.8 °C
1991–2020 average: 14.1 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
September from 2020 to 2025
In September 2025 the sea averaged 14.7 °C — 0.5 °C above the 1991–2020 average.
1991–2020 average: 14.2 °C
1991–2020 average: 15.5 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
October from 2020 to 2025
In October 2025 the sea averaged 16.9 °C — 1.6 °C above the 1991–2020 average.
1991–2020 average: 15.3 °C
1991–2020 average: 16.9 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
November from 2020 to 2025
In November 2025 the sea averaged 19.6 °C — 2.7 °C above the 1991–2020 average.
1991–2020 average: 16.9 °C
1991–2020 average: 19.0 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
December from 2020 to 2025
In December 2025 the sea averaged 21.0 °C — 2.2 °C above the 1991–2020 average.
1991–2020 average: 18.8 °C
1991–2020 average: 21.2 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
When to go
1991–2020 averagesThe year at a glance
- Jan20°9 h58 mm
- Feb21°8 h64 mm
- Mar21°7 h72 mm
- Apr19°6 h83 mm
- May18°5 h118 mm
- Jun16°4 h106 mm
- Jul14°5 h115 mm
- Aug14°6 h100 mm
- Sep14°6 h86 mm
- Oct15°7 h80 mm
- Nov17°8 h52 mm
- Dec19°8 h81 mm
Each card is a month. The colour is the sea temperature, on the same scale as the map; in bold, the two best months for each.
Sea temperature
1991–2020 averagesClimate through the year
1991–2020 averagesRain
Sunshine
Sunshine hours are estimated from measured solar radiation, not observed directly.
Month by month
1991–2020 averagesEvery month at Onetaunga Bay: air, sea, rain and sunshine. Averages for 1991–2020.
| Month | High°C | Low°C | Sea°C | Rainmm | Rainy daysdays | Sunshineh/day | Windkm/h |
|---|---|---|---|---|---|---|---|
| January | 23 | 17 | 20 | 58 | 7 | 9.3 | 20 |
| Februarywarmest sea | 24 | 17 | 21 | 64 | 8 | 8.0 | 18 |
| March | 22 | 16 | 21 | 72 | 8 | 7.4 | 18 |
| April | 20 | 14 | 19 | 83 | 10 | 6.2 | 18 |
| May | 17 | 12 | 18 | 118 | 13 | 5.0 | 20 |
| June | 15 | 10 | 16 | 106 | 14 | 4.3 | 22 |
| July | 14 | 9 | 14 | 115 | 14 | 4.7 | 21 |
| August | 14 | 9 | 14 | 100 | 15 | 5.5 | 21 |
| September | 16 | 10 | 14 | 86 | 13 | 6.5 | 22 |
| October | 17 | 12 | 15 | 80 | 12 | 7.4 | 23 |
| November | 19 | 13 | 17 | 52 | 10 | 8.4 | 22 |
| December | 21 | 15 | 19 | 81 | 10 | 8.3 | 21 |
Swipe sideways to see the other columns.
Photos
Photos shared by their authors on Wikimedia Commons, with its colours adjusted.
Nearby destinations
About these numbers
Averages are for 1991–2020; the recent years (2020–2025) are what actually happened. Neither is today's weather.
The nearest sea measurement point is 27 km away, so this figure is less precise here.
| What | Where it comes from | Nearest measurement |
|---|---|---|
| Air, rain and sunshine | NASA POWER | 33 km away |
| Sea temperature | NOAA OISST v2.1, 1991–2020 | 27 km away |
| 2020–2025, month by month | NASA POWER · NOAA OISST v2.1 | 33 km away |
| Lifeguards and places to stay | OpenStreetMap | within 1–5 km |
| Nearest airport | OurAirports | straight-line distance |
| Image at the top | Sentinel-2 cloudless (EOX) | at this spot |