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Mount Hagen Weather in December
In Mount Hagen, December brings high daytime temperatures around 23°C (73°F), with nights cooling to 13°C (55°F). This month falls within the rainy season, so expect frequent rainfall.
Rainfall in Mount Hagen in December
Mount Hagen is in the rainy season in December, with rain on around 22 days and an average of 484 mm (19 in). The rain this month falls heavily when it arrives, so waterproofs are worth keeping handy.
Temperature in Mount Hagen in December
If you're visiting Mount Hagen in December, expect highs of 23°C (73°F) and overnight lows around 13°C (55°F). This kind of day-to-night contrast is typical for this time of year. With overnight lows of 13°C (55°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.December in Mount Hagen has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Mount Hagen Temperature in December
Min Temperature
13°C (55°F)
Max Temperature
23°C (73°F)
Chance of Rain
75%
Precipitation
484 mm (19 in)
Rainy days
22 days
Mount Hagen Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Mount Hagen - and find the best time to visit.
Historical weather records for Mount Hagen in December
Browse day-by-day weather records for Mount Hagen spanning 26 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Mount Hagen historical weather extremes in December
Based on 19 years of weather observations in Mount Hagen between 2006 and 2025, these are the recorded extremes.
- On December 20, 2007, temperatures climbed to 32°C (90°F), marking the warmest December day on record.
- Mount Hagen experienced its chilliest December day on December 10, 2011, reaching only 18°C (64°F).
- Nighttime temperatures dropped to 10°C (50°F) on December 6, 2018, marking the coldest December night on record.
- The wettest day in December Mount Hagen was on December 31, 2012 with 76 mm (3 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 Mount Hagen in December
For Mount Hagen 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. Also bring a poncho, it will rain a lot! Waterproof everything you can.
What To Do in Mount Hagen in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Camping6/10
Mount Hagen 3-Day Forecast
More climate data for Mount Hagen
See the full Mount Hagen 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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