Sideia Weather in December
During December, Sideia experiences high daytime temperatures of 29°C (84°F) and cooler nights around 26°C (79°F). As the driest month of the year, rainfall is at its lowest.
Rainfall in Sideia in December
Clear skies and little rain are the norm this month. A great time to spend time outdoors. Typically, you can expect about 16 days of rain this month, with 141 mm (5.6 in) on average. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.
Temperature in Sideia in December
December in Sideia sees highs of 29°C (84°F) and lows of 26°C (79°F) overnight. This kind of day-to-night contrast is typical for this time of year. Nights are warm at 26°C (79°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Average water temperature in December
The water is 28°C (82°F) this month — warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.Our weather planner can help you find worldwide destinations with pleasant weather during this period. November and December typically offer the best weather for Sideia.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Papua New Guinea, check out our Sideia's climate page.
Sideia Temperature in December
Min Temperature
26°C (79°F)
Max Temperature
29°C (84°F)
Water Temperature
28°C (82°F)
Chance of Rain
52%
Precipitation
141 mm (5.6 in)
Rainy days
16 days
Humidity
76%
Historical weather for Sideia in December
Browse day-by-day weather records for Sideia spanning 26 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Sideia historical weather extremes in December
Based on 19 years of weather observations in Sideia between 2006 and 2025, these are the recorded extremes.
- Sideia recorded its highest December temperature of 35°C (95°F) on December 12, 2018.
- On December 15, 2012, Sideia saw its coldest December day with temperatures maxing out at 26°C (79°F).
- Nighttime temperatures dropped to 22°C (72°F) on December 3, 2014, marking the coldest December night on record.
- The wettest December day on record brought 52 mm (2 in) of precipitation to Sideia (December 23, 2015).
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
What to Wear in Sideia in December
Warm weather calls for comfortable, breathable clothing in December. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Expect water temperatures of around 28°C (82°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off.What To Do in Sideia 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 Papua New Guinea, check out our Sideia's climate page.
Temperature Rainfall Humidity Water Temp
See the full Sideia climate overview or explore weather in Papua New Guinea.
