Dunedin Weather in May
May in Dunedin sees daytime temperatures around 13°C (55°F) and lows of 4°C (39°F) at night. With around 69 mm (2.7 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Dunedin in May
Records from the past 30 years suggest around 15 days of rain, with 69 mm (2.7 in) average for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Dunedin in May
Daytime highs in Dunedin in May reach 13°C (55°F), with nights around 4°C (39°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights fall to 4°C (39°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Dunedin in May
This month sees fewer sunny days, with about 99 hours of sunshine, perfect for those who enjoy cooler temperatures.
Wind Speed in Dunedin in May
May has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.
Average water temperature in May
With water temperatures around 11°C (52°F), swimming isn't really an option for most visitors. The cold sets in quickly and a wetsuit won't fully solve it.If you prefer dry days with pleasant temperatures, February and March typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit New Zealand, check out our Dunedin's climate page.
Dunedin Temperature in May
Min Temperature
4°C (39°F)
Max Temperature
13°C (55°F)
Water Temperature
11°C (52°F)
Chance of Rain
50%
Precipitation
69 mm (2.7 in)
Rainy days
15 days
Humidity
80%
Windspeed
3 m/s (6 knots)
Sunshine
99 hours
Percentage Sunshine
36%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Dunedin typically stay consistent throughout May, with daily highs averaging around 13°C (55°F). Nights are cold, with lows typically ranging from 4°C (39°F) to 7°C (45°F).
Average temperatures in May
Historical weather for Dunedin in May
Browse day-by-day weather records for Dunedin spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Dunedin historical weather extremes in May
According to our 50 years of weather records for Dunedin, the following extremes were recorded between 1976 and 2026.
- Dunedin recorded its highest May temperature of 31°C (88°F) on May 7, 2019.
- On May 27, 2021, Dunedin saw its coldest May day with temperatures maxing out at 3°C (37°F).
- Nighttime temperatures dropped to -8°C (18°F) on May 27, 2021, marking the coldest May night on record.
Best Places in New Zealand in May
Find out more about the weather in New Zealand and which places have the best travel conditions in this month. See all of New Zealand in May →
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What to Wear in Dunedin in May
Pack for changing conditions in Dunedin in May. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Rain gear is recommended, you can expect wet weather on multiple days. The water temperature sits at about 11°C (52°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.What To Do in Dunedin in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit New Zealand, check out our Dunedin's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Dunedin climate overview or explore weather in New Zealand.
