Grasberg

What is the climate like in Grasberg?

The best time to visit Grasberg is typically August – September, with trip comfort peaking in August (7.0/10). Grasberg is warmest in August, when daily highs average 74°F (23°C), and coolest in January, when lows fall to about 34°F (1°C). The wettest month is typically June and the driest is March; the year sees roughly 34 in (862 mm) of precipitation.

• Best time to visitAugust – September — comfort peaks in August (7.0/10)
• Warmest monthAugust — average high 74°F (23°C)
• Coolest monthJanuary — average low 34°F (1°C)
• Wettest monthJune (3.7 in (93 mm))
• Driest monthMarch (2.2 in (56 mm))
• Annual precipitation34 in (862 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromBremen-seefahrtschule, 16 km away (1890-2026)