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.
Port-Havannah in December sees high daytime temperatures of 28°C (82°F) and nighttime lows of 25°C (77°F). Rainfall is fairly high this month at around 145 mm (5.7 in), so pack a rain jacket to stay dry.
Should you favor a climate that's both dry and comfortably warm, July, August, September, October and November typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Pick a month to see the average temperature, rainfall and sunshine in Port-Havannah - and find the best time to visit.
49-year average (1976-2025)
Based on our historical records, temperatures in Port-Havannah typically stay consistent throughout December, with daily highs averaging around 28°C (82°F). Nights are warm, with lows around 22°C (72°F).
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Port-Havannah spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
According to our 31 years of weather records for Port-Havannah, the following extremes were recorded between 1994 and 2025.
Find out more about the weather in Vanuatu and which places have the best travel conditions in this month. See all of Vanuatu in December →
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).
Warm temperatures in December make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. The water temperature sits at about 26°C (79°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Port-Havannah climate overview or explore weather in Vanuatu.
Where to go in December - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
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.
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).