City break

Auckland weather in January

Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.

89

Holiday weather in January

Excellent

Best time to visit: November – April

Air temperature22°CNight 17°
Sea temperature20.5°Crefreshing
Sunshine9hrs / dayof 14.4 h daylight
Rainy days9days / month75 mm

What is the weather like in Auckland in January?

In January, Auckland is warm: daytime highs average 22 °C, and nights cool down to about 17 °C. The sea averages 20.5 °C – refreshing for a swim. With around 9 hours of sunshine a day, there is plenty of sun. Rain is frequent, with about 9 rainy days and 75 mm in total. All in all, January is an excellent month for a holiday in Auckland.

January compared

How the weather changes from December to February. Tap a month to open it.

DecemberDecJanuaryJanFebruaryFeb
Score808988
Day21°22°23°
Night15°17°17°
Sea19°21°21°
Sun8 h9 h8 h
Rain days1298

More details for January

Daylight
14 h 25 min06:17 – 20:42
UV index
10 · very highclear sky, noon (estimate)
Muggy days
3 daysdew point 18 °C or more
Wind
23 km/haverage daily peak
Cloud cover
58 %on average
Hot days
0 days30 °C or more
Time zone
UTC+13Pacific/Auckland

How the score comes together

  • Temperatureweight 50 %100 %
  • Sunshineweight 20 %100 %
  • Few rainy daysweight 30 %63 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in January

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Rain jacket or umbrella

Auckland in January: quick answers

Is Auckland hot in January?

Warm rather than hot: in January, daytime highs in Auckland average 22 °C and nights cool to about 17 °C.

Can you swim in Auckland in January?

Yes. In January the sea averages 20.5 °C – refreshing for a swim.

Does it rain much in Auckland in January?

Rain is frequent, with about 9 rainy days and 75 mm in total.

Auckland month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)