Invercargill Weather in May
Invercargill in May sees moderate daytime temperatures of 13°C (55°F) and nighttime lows of 6°C (43°F). Rainfall is fairly high this month at around 107 mm (4.2 in), so pack a rain jacket to stay dry.
Rainfall in Invercargill in May
Based on our climate data of the past 30 years, about 22 days of rain are anticipated, with 107 mm (4.2 in) on average. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.
Temperature in Invercargill in May
In May, Invercargill gets moderate temperatures, with highs of 13°C (55°F). Nights cool to around 6°C (43°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights drop to 6°C (43°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Invercargill in May
The month is characterized by fewer sunny days, with roughly 88 hours hours of sunshine. Ideal for those who prefer a cooler, cloudier climate.
Wind Speed in Invercargill in May
May sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.
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're looking for dry conditions and comfortable temperatures, May may not be the ideal month to visit Invercargill. Our weather planner can help you explore destinations with more pleasant weather conditions.
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 Invercargill's climate page.
Invercargill Temperature in May
Min Temperature
6°C (43°F)
Max Temperature
13°C (55°F)
Water Temperature
11°C (52°F)
Chance of Rain
72%
Precipitation
107 mm (4.2 in)
Rainy days
22 days
Humidity
87%
Windspeed
4 m/s (8 knots)
Sunshine
88 hours
Percentage Sunshine
32%
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Invercargill 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 6°C (43°F).
Average temperatures in May
Historical weather for Invercargill in May
Browse day-by-day weather records for Invercargill spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Invercargill historical weather extremes in May
Based on 29 years of weather observations in Invercargill between 1997 and 2026, these are the recorded extremes.
- Invercargill recorded its highest May temperature of 23°C (73°F) on May 3, 2023.
- The lowest daytime temperature in May was 4°C (39°F), recorded on May 22, 2001.
- Invercargill registered its coldest May night on May 27, 2021, with temperatures dropping to -4°C (25°F).
- The heaviest May precipitation occurred on May 17, 2023, when 34 mm (1.3 in) of precipitation fell.
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 Invercargill in May
The weather can be unpredictable in May, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. 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. With limited sunshine expected, sunglasses aren't a priority for packing.What To Do in Invercargill 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 Invercargill's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Invercargill climate overview or explore weather in New Zealand.
