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Monthly climate guide

Wellington weather in May

May in Wellington is typically cool, with average daytime highs around 14°C (58°F) and night-time lows near 11°C (52°F). The month usually brings about 85 mm of rain (some rain) and is often cloudy. Daytime highs are 2°C cooler than April and 2°C warmer than June.

What stands out in May

  • It's one of the sunniest months here, with cloud cover around 57%.
  • Days and nights are close, only about 3°C apart.
  • Wellington is usually about 2°C warmer than Nelson, 120 km away, in May.
  • May brings late autumn to Wellington — the seasons are reversed south of the equator.

Avg high

14°C

58°F

Avg low

11°C

52°F

Rainfall

85 mm

some rain

Humidity

84%

relative

Sky

57%

cloud · often cloudy

Wellington weather by month

Low → high °C Rain (mm)
Show the monthly averages as a table
Average monthly climate in Wellington
MonthAvg highAvg lowRainHumidityCloud cover
January19°C / 66°F15°C / 58°F56 mm79%59%
February19°C / 67°F15°C / 59°F55 mm79%52%
March18°C / 64°F14°C / 57°F74 mm82%58%
April16°C / 61°F13°C / 55°F92 mm83%58%
May14°C / 58°F11°C / 52°F85 mm84%57%
June12°C / 54°F10°C / 49°F99 mm85%61%
July12°C / 53°F9°C / 48°F81 mm84%62%
August12°C / 53°F9°C / 48°F82 mm85%63%
September12°C / 54°F9°C / 48°F77 mm84%61%
October14°C / 57°F10°C / 50°F67 mm83%62%
November15°C / 60°F12°C / 53°F73 mm82%61%
December18°C / 64°F13°C / 56°F71 mm81%61%

What to pack for May

  • A warm sweater or fleece for layering
  • A mid-weight jacket
  • A compact umbrella or packable rain jacket
  • Water-resistant shoes
Full season-by-season packing guide →

Is May a good time to visit Wellington?

Compare the months in the chart above to find your ideal window.

Best time to visit Wellington →

Other New Zealand cities in May

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Wellington in May: quick answers

Is May a good time to visit Wellington?

May is a reasonable time for Wellington: highs around 14°C and about 85 mm of rain, though not one of the three best months.

How warm is Wellington in May?

Average highs are about 14°C (58°F) and average lows about 11°C (52°F), based on 10 years of daily data.

Does it rain a lot in Wellington in May?

Wellington typically gets around 85 mm of rain in May — some rain.

Figures are long-term averages for the area around Wellington (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.