Kuk Swamp
Papua New Guinea UNESCO World Heritage Site

Kuk Swamp is an archaeological site located in the Western Highlands Province of Papua New Guinea. It is a designated World Heritage Site and is one of the sights of the country on this site, holding the top rank by English Wikipedia lookups among the country's sights. Spanning 1.16 square kilometers, it offers a glimpse into early agricultural history.
Planning a visit
Daily high temperatures remain steady at 22 °C to 23 °C throughout the year, with lows ranging from 14 °C to 15 °C. Rain falls every month, with the drier period occurring from June through August, when monthly rain totals drop between 128 mm and 160 mm over 12 to 17 days. The heaviest rain occurs from January through April, reaching up to 346 mm in March over about 22 days.
The nearest airport is Mount Hagen Kagamuga Airport in Mount Hagen, located 6 km away. For larger connections, Nadzab Tomodachi International Airport in Lae is 279 km away. The site is 515 km from the capital, Port Moresby.
Weather by month
Temperatures stay much the same all year, around 18 °C on average. Rain is spread fairly evenly through the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | 23 | 22 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 |
| Average low, °C | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 |
| Rainfall, mm | 298 | 333 | 346 | 304 | 219 | 160 | 134 | 128 | 170 | 225 | 204 | 287 |
| Rainy days | 18 | 19 | 22 | 21 | 18 | 17 | 16 | 12 | 16 | 16 | 19 | 19 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.