An alternative way to discover Sydney
We have made an overview of the sights in Sydney that you must see if you want to visit Sydney in an alternative way.
Kermadec Weather in December
Kermadec in December sees high temperatures, with highs around 23°C (73°F) and overnight lows of 21°C (70°F). Rainfall is fairly high at around 87 mm (3.4 in) on average, so pack waterproofs just in case.
Rainfall in Kermadec in December
Looking at the last 30 years, the data shows about 15 days with rain, averaging 87 mm (3.4 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Kermadec in December
The temperature in Kermadec in December is excellent. Daytime highs reach 23°C (73°F), with nights dropping to 21°C (70°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows of 21°C (70°F), the nights are warm and generally comfortable.
Sunshine in Kermadec in December
The month enjoys around 207 hours of sunshine, creating mostly sunny days with good weather conditions.
Average water temperature in December
At 20°C (68°F), the water is pleasant for swimming. Most people find this range ideal, cool enough to be refreshing, warm enough to stay in comfortably.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Kermadec Temperature in December
Min Temperature
21°C (70°F)
Max Temperature
23°C (73°F)
Water Temperature
20°C (68°F)
Chance of Rain
51%
Precipitation
87 mm (3.4 in)
Rainy days
15 days
Humidity
83%
Sunshine
207 hours
Percentage Sunshine
50%
Kermadec Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Kermadec - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Kermadec typically stay consistent throughout December, with daily highs averaging around 23°C (73°F). Nights are pleasant, with lows around 19°C (66°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 records for Kermadec in December
Browse day-by-day weather records for Kermadec spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Kermadec historical weather extremes in December
Our historical data for Kermadec spans 1992 to 2025, revealing these weather extremes.
- Kermadec recorded its highest December temperature of 29°C (84°F) on December 30, 2023.
- The lowest daytime temperature in December was 19°C (66°F), recorded on December 11, 2006.
- Nighttime temperatures dropped to 13°C (55°F) on December 13, 2006, marking the coldest December night on record.
Best Places in Kermadec Islands in December
Find out more about the weather in Kermadec Islands and which places have the best travel conditions in this month. See all of Kermadec Islands in December →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Kermadec in December
Comfortable temperatures call for an easy wardrobe in December. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. Expect water temperatures of around 20°C (68°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Kermadec in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
-
Swimming9/10 -
Cycling9/10 -
Walking9/10 -
Barbeque8/10 -
Camping8/10 -
Outdoor sports9/10
Kermadec 3-Day Forecast
More climate data for Kermadec
Temperature Rainfall Sunshine Humidity Water Temp
See the full Kermadec climate overview or explore weather in Kermadec Islands.
Popular in December
Where to go in December - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
An alternative way to discover Sydney
The Tongariro Crossing in New Zealand
It is called the most beautiful walk in New Zealand, the Tongariro Crossing. The official hiking season starts late October until end of April.
The most relaxed and alternative area of Australia is called the Byron Shire
The Byron Shire is one of the most pretty areas in the world. Not only in terms on natural beauty, also the relaxed vibe and people make this an area that remains close to your heart.
Sail the Whitsunday islands
The best travel period to sail the Whitsunday islands is “winter” between June and October, with pleasant temperatures around 23 degrees Celsius (74 Fahrenheit).