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Weather in New Zealand for May 2026

Your guide to New Zealand weather in May - trends and predictions

    Temperatures

  • In general, the average temperature in New Zealand at the beginning of May is 12.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 8.4 °C by the end of May.

  • Rain 🌧️

  • The climate of New Zealand in May is notably wet, with an average of 15 rainy days, and a total of 774.1 mm of precipitation.

Average dry days
16
Dry days
Average rainy days
15
Rainy days
Average snowy days
0
Snow days
Average temperatures
12°/-2°
Temperatures
Average wind speed
9 km/h
Avg max wind
Average humidity
84 %
Avg humidity

New Zealand Weather May

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Temperatures trend during May in New Zealand

See the weather trend as well as the moving average line

May weather in New Zealand day by day

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Date Weather Temperatures Rain Snow More
1 May Cloudy
Cloudy
11° /2° 5 mm 0 cm
2 May Sunny
Sunny
13° /3° 1.3 mm 0 cm
3 May Overcast
Overcast
14° /3° 8.1 mm 0 cm
4 May Sunny
Sunny
13° /3° 2.5 mm 0 cm
5 May Overcast
Overcast
13° /3° 5.5 mm 0 cm
6 May Sunny
Sunny
12° /3° 0.4 mm 0 cm
7 May Overcast
Overcast
13° /3° 1.4 mm 0 cm
8 May Moderate rain at times
Moderate rain at times
13° /4° 21.5 mm 0.1 cm
9 May Moderate or heavy rain shower
Moderate or heavy rain shower
12° /4° 13.8 mm 0 cm
10 May Partly cloudy
Partly cloudy
11° /2° 2 mm 0.1 cm
11 May Sunny
Sunny
10° /0° 6.4 mm 0 cm
12 May Partly cloudy
Partly cloudy
9° /-1° 0.3 mm 0 cm
13 May Cloudy
Cloudy
11° /0° 1 mm 0 cm
14 May Moderate or heavy rain shower
Moderate or heavy rain shower
10° /1° 4.6 mm 0 cm
15 May Heavy rain at times
Heavy rain at times
10° /2° 2.3 mm 0 cm
16 May Moderate or heavy rain shower
Moderate or heavy rain shower
11° /2° 3.4 mm 0 cm
17 May Moderate or heavy rain shower
Moderate or heavy rain shower
10° /1° 14.4 mm 0 cm
18 May Patchy moderate snow
Patchy moderate snow
7° /0° 14.5 mm 1.6 cm
19 May Patchy rain possible
Patchy rain possible
6° /-1° 7.1 mm 0.1 cm
20 May Patchy rain possible
Patchy rain possible
7° /0° 1.1 mm 0 cm
21 May Moderate or heavy rain shower
Moderate or heavy rain shower
8° /1° 3.2 mm 0 cm
22 May Patchy rain possible
Patchy rain possible
8° /0° 0.3 mm 0 cm
23 May Sunny
Sunny
10° /0° 0.2 mm 0 cm
24 May Sunny
Sunny
7° /-1° 0.2 mm 0 cm
25 May Patchy rain possible
Patchy rain possible
9° /0° 0.2 mm 0 cm
26 May Overcast
Overcast
9° /1° 9.9 mm 0 cm
27 May Overcast
Overcast
9° /-1° 1.6 mm 0 cm
28 May Cloudy
Cloudy
8° /1° 3.1 mm 0 cm
29 May Heavy rain at times
Heavy rain at times
7° /1° 7.7 mm 0.1 cm
30 May Patchy rain possible
Patchy rain possible
8° /0° 7.4 mm 0 cm
31 May Moderate rain at times
Moderate rain at times
9° /2° 4.5 mm 0 cm
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Important Notice
Our weather forecast for New Zealand in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the New Zealand forecast closer to your planned date for the most up-to-date weather information.

Guide for New Zealand in May

In May, New Zealand experiences a transition from autumn to winter, resulting in varied weather patterns across the country.

At the beginning of the month, the North Island typically sees mild temperatures with occasional showers, while the South Island may experience cooler temperatures with the possibility of early snowfall in the Southern Alps.

In the North Island, cities like Auckland and Wellington can expect temperatures around 15° at the start of May, with some crisp mornings and mild afternoons.

Meanwhile, the South Island's Christchurch and Queenstown may experience cooler temperatures around 10° with a chance of frost in the mornings.

As the month progresses, the weather tends to become cooler and more unpredictable. By the end of May, temperatures in the North Island could drop to around 12° with an increase in rainfall, particularly in regions like Taranaki and Hawke's Bay.

In the South Island, cities such as Dunedin and Invercargill may experience temperatures around 8° with a higher likelihood of frost and occasional wintry showers.

Overall, May in New Zealand showcases the transition towards winter, with varying weather conditions depending on the region.

Have you visited New Zealand in May? Share your experience by writing a review.

New Zealand in May - FAQ

What are the expected maximum and minimum temperatures in New Zealand during May?
Prepare for cooler days with highs just around 12° and colder nights, dipping below -2°.
How much rainfall should be expected in New Zealand during May?
Significant rainfall exceeding 774.1 mm is expected in New Zealand during May, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
Will it snow in New Zealand in May 2026?
New Zealand typically sees 9.7 cm of snowfall during May.
What are the typical wind conditions in New Zealand during May?
The average wind speed in New Zealand during May is 9 km/h, suggesting breezy to windy conditions, depending on your activities.

New Zealand snow forecast May 2026

Track daily snowfall levels and discover New Zealand’s snowy potential this May ❄️

May rainfall patterns in New Zealand

Explore the daily rainfall trends and prepare for New Zealands May weather 💧
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Location coordinates Where is New Zealand?

Get accurate weather forecasts for New Zealand, located at latitude -45.03 and longitude 168.663. Stay updated with localized weather information tailored for New Zealand.

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