Port Moresby in December
December weather, activities, events & insider tips
December Weather in Port Moresby
Is December Right for You?
Advantages
- Dry season officially begins - December has the lowest average rainfall at 0.0 mm (0.0 inches), making it ideal for outdoor activities and island hopping without weather disruptions
- Comfortable temperatures ranging 23-32°C (74-90°F) perfect for all-day exploration without the oppressive heat of wet season months
- Southeast trade winds provide natural cooling, especially noticeable along the coastline and during boat trips to nearby islands
- December marks peak visibility for diving and snorkeling - water clarity reaches 25-30 m (82-98 ft) compared to 10-15 m (33-49 ft) during rainy months
Considerations
- Tourist season begins ramping up - accommodation prices increase 30-40% compared to November, and popular spots start getting crowded by mid-month
- Despite being dry season, humidity remains at 70% making midday activities (11am-3pm) feel uncomfortably sticky without air conditioning
- Ten rainy days still occur despite low rainfall totals - these brief afternoon downpours can disrupt outdoor plans for 30-45 minutes
Best Activities in December
Varirata National Park Hiking Trails
December's dry conditions make the 8 km (5 mile) circuit trail accessible without mud hazards. Morning temperatures of 23°C (74°F) are perfect for the 3-hour hike to the lookout point at 850 m (2,790 ft) elevation. Birdwatching is exceptional as migratory species arrive for dry season.
Port Moresby Harbor Island Hopping
Calm seas and excellent visibility make December perfect for day trips to Loloata Island and Motupore Island. Water temperatures steady at 27°C (81°F) with minimal waves. December's southeast winds create ideal sailing conditions.
Cultural Village Tours in Central Province
December coincides with sago palm harvesting season - visitors can observe traditional food preparation methods. Dry roads make accessing villages like Hanuabada much easier than during wet months. Morning visits avoid the 32°C (90°F) afternoon heat.
Diving at Bootless Bay
December offers peak underwater visibility of 25-30 m (82-98 ft) with water temperatures at comfortable 27°C (81°F). Coral spawning activity creates exceptional marine life viewing. Calm conditions perfect for both beginners and advanced divers.
Parliament House and Government District Walking Tours
December's lower humidity makes the 4 km (2.5 mile) walking circuit through government buildings more comfortable. Morning temperatures of 25°C (77°F) ideal for the 2-hour guided tour including Parliament House grounds and National Museum.
Traditional Market at Koki Market
December brings seasonal fruits like rambutan and mangosteen to local markets. Early morning visits (6am-8am) at 24°C (75°F) showcase the full selection before heat affects produce quality. Experience traditional trade and bilum bag weaving demonstrations.
December Events & Festivals
Christmas Celebrations at Port Moresby Churches
Local churches host elaborate Christmas services featuring traditional string band music and community feasts. St. Mary's Cathedral and other major churches welcome visitors to experience Papua New Guinean Christmas traditions blending Christian and Melanesian customs.
End of Year Markets and Festivals
Traditional end-of-year celebrations featuring local crafts, foods, and cultural performances. Various community groups organize markets selling bilum bags, traditional carvings, and seasonal foods like sago and coconut-based dishes.