Mount Maunganui Weather in December
Mount Maunganui in December sees pleasant daytime temperatures of 21°C (70°F) and nighttime lows of 15°C (59°F). Rainfall is fairly high this month at around 114 mm (4.5 in), so pack a rain jacket to stay dry.
Rainfall in Mount Maunganui in December
Typically, about 12 days will experience rainfall, with an average of 114 mm (4.5 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Mount Maunganui in December
Daytime highs in Mount Maunganui in December reach 21°C (70°F), with nights around 15°C (59°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to around 15°C (59°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Mount Maunganui in December
The days are predominantly sunny, with an estimated total of around 231 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.
Wind Speed in Mount Maunganui in December
Average wind conditions reach 5 m/s (10 knots) in December. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.
Average water temperature in December
At 17°C (63°F), the water is cool but manageable for those who don't mind a bit of a shock getting in. Most people adjust after a few minutes.If you prefer dry days with pleasant temperatures, January typically offers 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 Mount Maunganui's climate page.
Mount Maunganui Temperature in December
Min Temperature
15°C (59°F)
Max Temperature
21°C (70°F)
Water Temperature
17°C (63°F) *
Chance of Rain
39%
Precipitation
114 mm (4.5 in)
Rainy days
12 days
Humidity
75% *
Windspeed
5 m/s (10 knots) *
Sunshine
231 hours *
Percentage Sunshine
54% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Mount Maunganui typically stay consistent throughout December, with daily highs averaging around 21°C (70°F). Nights are pleasant, with lows around 15°C (59°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Mount Maunganui in December
Browse day-by-day weather records for Mount Maunganui spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Mount Maunganui historical weather extremes in December
Based on weather observations in Mount Maunganui between 1992 and 2025, these are the recorded extremes during December.
- Mount Maunganui recorded its highest December temperature of 30°C (86°F) on December 24, 2021.
- The coldest December day was on December 4, 2009, with a maximum of 15°C (59°F).
- Nighttime temperatures dropped to 8°C (46°F) on December 17, 1996, marking the coldest December night on record.
Best Places in New Zealand in December
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 December →
perfect weather
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tolerable
unpleasant
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What to Wear in Mount Maunganui in December
For Mount Maunganui in December, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Expect water temperatures of around 17°C (63°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Mount Maunganui in December
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 Mount Maunganui's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Mount Maunganui climate overview or explore weather in New Zealand.
