Wellington climate and temperatures

Climate type
Mediterranean
Best time to visit
September – November
Avg. temperature
14°C – 30°C
Annual rainfall
600 mm
Warmest month
August (35°C)
Coldest month
January (11°C)
Driest month
July (22 mm)
Wettest month
October (84 mm)

The climate of Wellington is Temperate oceanic climate (Köppen: Cfa), with warm summers and precipitation throughout the year. Monthly temperatures range from a minimum of 3°C in winter (December–February) to a maximum of 33°C in summer (June–August). The average annual temperature is around 18°C.

During the winter months, nighttime temperatures can drop to an average of -8°C, while summer nights average around 17°C.

Climate table of Wellington

The climate table below gives you a clear overview of the climate in Wellington by month, from average temperatures and rainfall to UV levels. This makes it easy to see when the weather best suits your travel plans.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Temp. max (°C) 14 16 17 19 23 27 30 30 27 23 18 16
Temp. min (°C) 6 7 9 11 15 19 22 22 19 15 10 7
Rainfall
Droplet
Droplet
Droplet
DropletDroplet
Droplet
Droplet
Droplet
DropletDroplet
DropletDroplet
DropletDroplet
DropletDroplet
Droplet
Rainfall (mm) 46 34 46 64 43 23 22 75 77 84 61 25
UV index 4 5 6 7 8 8 8 8 6 5 4 4

Best time to visit Wellington

The best time to visit Wellington is May en June. During this period, temperatures are usually pleasant to warm and there is relatively little rainfall. Between May and June, average high temperatures range roughly from 22°C to 30°C, while rainfall remains limited. For a sun or beach holiday, June, July, August en September are the most suitable months. It is often warm to hot and relatively dry during this time. For a city trip, round trip, or active holiday, May en September are often more comfortable, as it is warm without the heat becoming too intense. The warmest month is July, with an average daytime temperature of around 33°C. The driest month is February, with about 10 mm of rainfall, while August is usually the wettest month of the year, with approximately 35 mm. Snow is rare here, but may occasionally fall in February, November, December, January en March.

Average temperature per month

This chart shows the average daytime (maximum) and nighttime (minimum) temperatures per month in Wellington. The figures are based on climate data from recent years and are presented in degrees Celsius, so you can clearly see the temperature range for each month.

Average rainfall per month

This chart shows the average monthly rainfall in Wellington. The figures are based on long-term climate data and are displayed in millimeters, so you can immediately see which months are drier or wetter.

Average UV index per month

This chart shows the average monthly sun intensity in Wellington. The UV index ranges from 0 (no UV radiation) to 11+ (extreme). A higher UV index means you can burn more quickly, making proper sun protection increasingly important.

Average annual temperature

This chart shows the average annual temperature in Wellington based on data from the past ten years. It allows you to see at a glance how the climate is evolving and whether there are clear warming trends.

Average annual rainfall

This chart shows the average annual rainfall in Wellington over the past ten years. It allows you to see at a glance how much rain falls each year and whether there are clear fluctuations between the years.

Weather experiences in Wellington

The weather in Wellington is rated an average of 4.3 out of 5 stars by 8 visitors. Have you been to Wellington? Share your experience with the weather to help other visitors plan their trip.

Average weather per month

Click on a month below and discover what the weather in Wellington is typically like. For each period, you can instantly see the average temperature, rainfall, wind, and UV index. Thanks to years of historical weather data, you’ll know exactly what to expect during your trip.