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Alotau Weather in December
Alotau in December sees very high daytime temperatures of 31°C (88°F) and nighttime lows of 24°C (75°F). As part of the rainy season, showers are frequent and often heavy. Budget around 252 mm (9.9 in) of rainfall for the month.
Rainfall in Alotau in December
Alotau is in the rainy season in December, with rain on around 16 days and an average of 252 mm (9.9 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.
Temperature in Alotau in December
If you're visiting Alotau in December, expect highs of 31°C (88°F) and overnight lows around 24°C (75°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. Nights stay warm at around 24°C (75°F), so light bedding and good ventilation are worth thinking about.December in Alotau has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Alotau Temperature in December
Min Temperature
24°C (75°F)
Max Temperature
31°C (88°F)
Chance of Rain
54%
Precipitation
252 mm (9.9 in)
Rainy days
16 days
Humidity
76% *
* Data from: Sideia, Papua New Guinea (42 KM, 26 Miles).
Alotau Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Alotau - and find the best time to visit.
Historical weather records for Alotau in December
Browse day-by-day weather records for Alotau spanning 26 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Alotau historical weather extremes in December
Our historical data for Alotau spans 2006 to 2025, revealing these weather extremes.
- Alotau recorded its highest December temperature of 35°C (95°F) on December 12, 2018.
- The coldest December day was on December 19, 2023, with a maximum of 26°C (79°F).
- Nighttime temperatures dropped to 20°C (68°F) on December 17, 2012, marking the coldest December night on record.
- The wettest day in December Alotau was on December 31, 2016 with 72 mm (2.8 in) of precipitation.
Best Places in Papua New Guinea in December
Find out more about the weather in Papua New Guinea and which places have the best travel conditions in this month. See all of Papua New Guinea 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 Alotau in December
Warm but pleasant conditions in Alotau in December. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions.
What To Do in Alotau in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Alotau 3-Day Forecast
More climate data for Alotau
See the full Alotau climate overview or explore weather in Papua New Guinea.
Popular in December
Where to go in December - average daytime high across popular destinations.
Port Moresby
31°C (88°F) Alotau31°C (88°F) Madang30°C (86°F) Kokopo29°C (84°F) Rabaul29°C (84°F) Lae28°C (82°F) Goroka24°C (75°F) Mount Hagen23°C (73°F) Bucket list
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