Siladen Island Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Siladen Island.

Climate overview of Siladen Island

Siladen Island, located in North Sulawesi, Indonesia, experiences fairly consistent warm temperatures throughout the year. The island also receives a high amount of rainfall, especially during the wet season. Known for its calm waters and colorful coral reefs, Siladen is part of the Bunaken Marine Park and is popular with divers and travelers. Now, let’s explore all the climate details to give you a complete picture.

Siladen Island Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Siladen Island - and find the best time to visit.

Monthly Temperature in Siladen Island

The climate in Siladen Island remains fairly constant, offering very warm temperatures throughout the year. Average daytime temperatures reach a very warm 32°C (90°F) in September. In January, the coolest month of the year, temperatures drop to a comfortable 29°C (84°F).

At night, temperatures range from around 22°C (72°F) in September to 21°C (70°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Siladen Island

Siladen Island is known for its substantial rainfall, with annual precipitation reaching 1159 mm (46 in). Siladen Island can be quite wet during January, receiving approximately 197 mm (7.8 in) of precipitation over 17 snowy days.

In contrast, during the driest month (August), you will experience much drier conditions, with 20 mm (0.8 in) of precipitation spread across a single snowy day. For more details, please visit our Siladen Island Precipitation page.

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

Best Time to Visit Siladen Island

Conditions in Siladen Island are generally most comfortable in August and September. They are typically least comfortable in March.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: August and September
  • Warmest weather: May, June, July, August, September, October and November
  • Fewest rainy days: June, July, August and September
  • Wettest months: January, February, March, April, November and December, when rainfall is highest.
  • Seasonal pattern: Distinct dry (July to September) and wet (January to March) seasons

Frequently asked questions about the climate in Siladen Island

What is the best time to visit Siladen Island?

August and September typically offer the most optimal weather in Siladen Island. In contrast, March tends to have less optimal conditions. Siladen Island has distinct dry (July to September) and wet (January to March) seasons.

What temperatures can I expect in Siladen Island?

Daytime highs range from 29°C (84°F) in January to 32°C (90°F) in September. Nighttime lows range from 21°C (70°F) to 22°C (72°F). Temperatures stay relatively stable year-round.

How much rain does Siladen Island get?

Annual rainfall is around 1159 mm (46 in). January is the wettest month with 197 mm (7.8 in), while August is the driest with 20 mm (0.8 in). In the coldest months, precipitation may fall as snow.

Siladen Island 3-Day Forecast

Siladen Island on the map

Siladen Island is highlighted - select any city to see its climate.

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