ClimateForecastDecemberJanuary >>

Wellington Climate by Month

The weather in Wellington is characterized by a steady average temperature throughout the year. It receives a moderate amount of precipitation. Now, let’s break down all the climate details for a clearer picture.

Average day and night temperature

In Wellington temperatures are generally consistent throughout the year. On average, daytime temperatures range from a pleasant 19°C in February to a moderate 13°C in July. Nighttime temperatures can drop, with averages reaching 9°C in July.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

On average, Wellington receives a reasonable amount of rainfall, with an annual precipitation of 927 mm. The amount of precipitation varies moderately throughout the year. The wettest month, June, sees around 102 mm of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, January, still receives a respectable 58 mm of rainfall.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

In Wellington, summer days are longer and more sunny, with daily sunshine hours peaking at 7.8 hours in January. As the darker season arrives, the brightness of the sun becomes less. June sees a soft sun for only 3.5 hours per average day.

Monthly hours of sunshine

Daily hours of sunshine

Average water temperature

The mean water temperature over the year in Wellington ranges from 11°C in August to 16°C in January.

Water temperature over the year

The best time of year to visit Wellington in New Zealand

Other facts from our historical weather data:
  • Which is the warmest month in Wellington?
    February has an average maximum temperature of 19°C and is the warmest month of the year.
  • Which is the coldest month in Wellington?
    The coldest month is July with an average maximum temperature of 13°C.
  • Which is the wettest month in Wellington?
    June tops the wettest month list with 102 mm of rainfall.
  • Which is the driest month in Wellington?
    January is the driest month with 58 mm of precipitation.
  • Which is the sunniest month in Wellington?
    January is the sunniest month with an average of 234 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Wellington

    Thu   Dec 12
    20°C | 15°C
    N 29 km/h
    7.2 mm
    overcast and heavy rain

    overcast and heavy rain

    Fri   Dec 13
    23°C | 16°C
    N 36 km/h
    clear and no rain

    clear and no rain

    Sat   Dec 14
    21°C | 17°C
    N 47 km/h
    1.9 mm
    overcast and small chance of rain

    overcast and small chance of rain