Monthly climate in Ondong Siau, Indonesia

Under the Köppen–Geiger climate classification Ondong Siau features a tropical rainforest climate (Af). Temperatures typically range between 27 °C (81 °F) and 28 °C (82 °F) through the year, but rarely can drop to 25 °C (77 °F) or can rise to as high as 30 °C (86 °F). The average annual precipitation amounts to about 2667 mm (105.0 inches) and receives 253 rainy days on the 1 mm (0.04 inches) threshold annually. Ondong Siau enjoys an average of 3480 hours of sunshine throughout the year, and daylight varies from 11 hours 57 minutes to 12 hours 15 minutes per day.

Monthly average temperatures in Ondong Siau, Indonesia

The warmest months in Ondong Siau are May, August and October, with daily mean temperatures ranging from 28 to 28 °C (82 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 27 to 27 °C (81 - 81 °F) throughout the day. On average each year, Ondong Siau experiences 329 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average precipitation in Ondong Siau, Indonesia

Ondong Siau usually has the most precipitation in January, June and December, with an average of 24 rainy days and 286 mm (11.3 inches) of precipitation per month. The driest months in Ondong Siau are April, September and October. On average, 160 mm (6.3 inches) of precipitation falls during these months.

Monthly sunshine hours in Ondong Siau, Indonesia

The sunniest months in Ondong Siau are May, August and October, when the sun shines an average of 9 hours 55 minutes a day. Least sunny months in Ondong Siau: January, February and December receive an average of 8 hours 37 minutes of sunshine daily.

Solar UV radiation in Ondong Siau, Indonesia

Ondong Siau experiences the highest level of ultraviolet (UV) radiation in February, March and April, when the maximum UV index can reach values of 16 - 17, which corresponds to the Extreme category of sun exposure. June, July and December are in the Extreme exposure category. In these months, the maximum values of the UV index do not exceed 13. For more detailed information, check out our hourly Ondong Siau UV Index data.