Weather in Wellington in May 2025
Average weather
Average temperature in Wellington in May
Going from a maximum of +21°C during the day to a minimum of +6°C during the night, the temperature in May averages around +16°C.
The average maximum temperature goes down 27% by the end of the month, compared with the beginning of the month, from +20°C to +16°C.
Is Wellington warm or cold in May?
Wellington is typically mild in May.
Maximum temperatures go down compared to the previous month from +16°C to +15°C. The minimum temperature also goes down from +13°C to +11°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how May is compared to other months in Wellington:
Climate in Wellington in May
| April | May | June | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +16°C | +15°C | +13°C | ||||
| Min. temperature | ||||||
| +5°C | +3°C | +2°C | ||||
| Max. temperature | ||||||
| +22°C | +21°C | +17°C | ||||
| Rainfall | ||||||
| 74 mm | 87 mm | 99 mm | ||||
| Wind | ||||||
| 6 m/s | 6 m/s | 6 m/s | ||||
| Humidity | ||||||
| 81% | 81% | 80% | ||||
| Air pressure | ||||||
| 1016 HPa | 1014 HPa | 1014 HPa | ||||
| Sunny days | ||||||
| 5 | 5 | 4 | ||||
| Cloudy days | ||||||
| 12 | 11 | 8 | ||||
| Rainy days | ||||||
| 13 | 15 | 17 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
May weather is still as ok as in April. It’s getting colder in May. From +16°C in the day, the average maximum temperature lowers to +15°C. Prepare for more rain. Average rainfall goes from 74 mm to 87 mm. Humidity levels don’t change as the month goes on, averaging around 81%. The average wind speed doesn’t change much during May, staying around 6 m/s. The amount of sunny days stay about the same, averaging 5 sunny days during the month.
June brings much the same weather, it remains ok.
Wind
The average wind speed is 5 m/s getting up to 8 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 increasing during May, going from 3 m/s to 6 m/s over the course of the month.
Rain
How was the weather last May in Wellington?
Climate Change over Years
The climate in Wellington in May 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 May a good time to visit Wellington?
Can you sunbathe in Wellington in May?
Is Wellington rainy in May?
Is it sunny in Wellington in May?
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.