Grasberg Weather & Climate: Best Time to Visit

Visitors to Grasberg can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a comfortable 24°C (75°F) in July to a chilly 6°C (43°F) in the coolest month, January.

Nights vary from 14°C (57°F) in July to around 0°C (32°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Grasberg experiences moderate precipitation patterns, averaging 848 mm (33 in) yearly. Precipitation levels in Grasberg remain relatively steady throughout the year. July has the most rain, with 92 mm (3.6 in) over 16 days. In the driest month April, this drops slightly to 57 mm (2.2 in), making the city's climate fairly predictable. For more details, please visit our Grasberg Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

For those who appreciate different seasons, Grasberg serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 7.2 hours of sunshine daily, and embrace the darker days in December, offering only 1.4 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Grasberg.

The city experiences its highest humidity in December, reaching 88%. In May, the humidity drops to its lowest level at 72%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year