Weather in Wellington in January 2025
Average weather
Average temperature in Wellington in January
Going from a maximum of +25°C during the day to a minimum of +12°C during the night, the temperature in January averages around +21°C.
The average maximum temperature goes up 23% by the end of the month, compared with the beginning of the month, from +19°C to +22°C.
Is Wellington warm or cold in January?
Wellington is typically mild in January.
Maximum temperatures go up compared to the previous month from +18°C to +19°C. The minimum temperature also goes up from +14°C to +15°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
January is one of the warmest months in Wellington, here is the comparison with other months:
Climate in Wellington in January
| December | January | February | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +18°C | +19°C | +19°C | ||||
| Min. temperature | ||||||
| +7°C | +9°C | +8°C | ||||
| Max. temperature | ||||||
| +26°C | +28°C | +27°C | ||||
| Rainfall | ||||||
| 76 mm | 54 mm | 65 mm | ||||
| Wind | ||||||
| 6 m/s | 6 m/s | 6 m/s | ||||
| Humidity | ||||||
| 83% | 82% | 82% | ||||
| Air pressure | ||||||
| 1012 HPa | 1013 HPa | 1014 HPa | ||||
| Sunny days | ||||||
| 4 | 6 | 6 | ||||
| Cloudy days | ||||||
| 13 | 14 | 12 | ||||
| Rainy days | ||||||
| 14 | 11 | 10 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
January weather is still as ok as in December. It’s getting warmer as January arrives. The average maximum temperature goes up from +18°C to +19°C during the day. As January arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 76 mm to 54 mm. It feels drier, as humidity decreases from 83% to 82%. The average wind speed doesn’t change much during January, staying around 6 m/s. The good news is there are likely to be more sunny days in January, from 4 to 6.
February brings much the same weather, it remains ok.
Wind
The average wind speed is 5 m/s getting up to 13 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Wellington is gradually decreasing during January, going from 4 m/s to 1 m/s over the course of the month.
Rain
How was the weather last January in Wellington?
Climate Change over Years
The climate in Wellington in January has not changed much over the last 43 years.
The average temperature was the lowest in 1992 (+14°C) and the highest in 2022 (+17°C). The driest year was 2007 with only 644 mm of rainfall, and the wettest year was 2022 with 2261 mm.
FAQ
Is January a good time to visit Wellington?
Can you sunbathe in Wellington in January?
Is Wellington rainy in January?
Is it sunny in Wellington in January?
Other cities in New Zealand
Monthly weather in Wellington
Source of the data
For this page, we’ve looked at the typical weather in Wellington, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.