Monthly climate in Ondong Siau, North Sulawesi, Indonesia

Last updated: March 2, 2024

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, North Sulawesi, 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 temperatures with daily means, minimums and maximums for period, average high and low temperatures in Ondong Siau, North Sulawesi, Indonesia. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 29°C
(84°F)
29°C
(84°F)
29°C
(84°F)
29°C
(84°F)
30°C
(85°F)
29°C
(85°F)
29°C
(85°F)
29°C
(85°F)
29°C
(84°F)
30°C
(86°F)
29°C
(85°F)
29°C
(85°F)
Mean maximum 29°C
(84°F)
28°C
(83°F)
28°C
(83°F)
29°C
(84°F)
29°C
(85°F)
29°C
(84°F)
29°C
(84°F)
29°C
(84°F)
29°C
(84°F)
29°C
(85°F)
29°C
(85°F)
29°C
(84°F)
Average high 28°C
(82°F)
28°C
(82°F)
28°C
(82°F)
28°C
(83°F)
28°C
(83°F)
28°C
(83°F)
28°C
(83°F)
28°C
(83°F)
28°C
(83°F)
28°C
(83°F)
28°C
(83°F)
28°C
(83°F)
Daily mean 27°C
(81°F)
27°C
(81°F)
27°C
(81°F)
27°C
(82°F)
28°C
(82°F)
27°C
(82°F)
27°C
(82°F)
28°C
(82°F)
27°C
(82°F)
28°C
(82°F)
27°C
(82°F)
27°C
(81°F)
Average low 26°C
(79°F)
26°C
(79°F)
26°C
(79°F)
27°C
(80°F)
27°C
(81°F)
27°C
(80°F)
27°C
(80°F)
27°C
(81°F)
27°C
(80°F)
27°C
(81°F)
27°C
(80°F)
26°C
(80°F)
Mean minimum 25°C
(78°F)
25°C
(78°F)
25°C
(78°F)
26°C
(79°F)
26°C
(79°F)
26°C
(79°F)
25°C
(78°F)
25°C
(78°F)
26°C
(78°F)
26°C
(78°F)
26°C
(78°F)
25°C
(78°F)
Minimum 25°C
(77°F)
25°C
(77°F)
25°C
(78°F)
25°C
(78°F)
25°C
(78°F)
25°C
(78°F)
25°C
(77°F)
25°C
(78°F)
25°C
(78°F)
25°C
(78°F)
25°C
(77°F)
25°C
(78°F)

Compare climate in Ondong Siau with other places

Compare temperature, precipitation, sunshine, UV index in Ondong Siau, North Sulawesi, Indonesia with other places around the world.

Monthly average precipitation in Ondong Siau, North Sulawesi, 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 average precipitation and precipitation days in Ondong Siau, North Sulawesi, Indonesia. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 297 (11.7) 172 (6.8) 252 (9.9) 147 (5.8) 212 (8.3) 289 (11.4) 252 (9.9) 182 (7.2) 170 (6.7) 163 (6.4) 259 (10.2) 272 (10.7)
Average precipitation days (≥ 1 mm) 21 19 22 20 22 24 20 14 19 20 24 28

Monthly sunshine hours in Ondong Siau, North Sulawesi, 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.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ondong Siau, North Sulawesi, Indonesia. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 223 274 295 301 310 293 296 309 295 302 290 287
Mean daily daylight hours 11h 58m 12h 1m 12h 5m 12h 9m 12h 13m 12h 15m 12h 14m 12h 11m 12h 6m 12h 2m 11h 58m 11h 57m

Solar UV radiation in Ondong Siau, North Sulawesi, 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.

Average daily maximum UV levels by month for Ondong Siau, North Sulawesi, Indonesia. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 14 16 17 16 15 13 13 14 14 14 13 12

Detailed Monthly Weather Insights for Ondong Siau, North Sulawesi, Indonesia

Discover in-depth weather details for every month in Ondong Siau. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Ondong Siau's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.