Sleman Weather & Climate: Best Time to Visit

In Sleman temperatures are generally consistent throughout the year. On average, daytime temperatures range from a very warm 31°C (88°F) in April to a comfortable 29°C (84°F) in August.

Nighttime temperatures range from 23°C (73°F) in April to 20°C (68°F) in August.

Check out our detailed temperature page for more information.

Temperature ranges by month

Sleman experiences significant rainfall throughout the year, averaging 2851 mm (112 in) of precipitation annually. The seasons in Sleman bring significant changes in precipitation. The wettest month, February, receives heavy rainfall, with an average of 413 mm (16 in) of precipitation. This rainfall is distributed across 18 rainy days.

In contrast, the driest month, August, experiences much less rainfall, totaling 45 mm (1.8 in) over 5 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Sleman Precipitation page.

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

The average number of days each month with precipitation

The relative humidity is high throughout the year in Sleman.

The city experiences its highest humidity in January, reaching 82%. In September, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year