Siladen Island Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Siladen Island, North Sulawesi, Indonesia. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020. Let's now guide you through the details for a complete overview.

Siladen Island experiences significant rainfall throughout the year, averaging 1159 mm (46 in) of precipitation annually. However, this abundant rainfall is not evenly distributed, with a distinct dry and rainy season during certain months. You can clearly see this in our monthly precipitation graphs below.

Monthly Precipitation Levels

The average number of days each month with precipitation (> 0.2 mm (0.01 in))

The seasons in Siladen Island, bring significant changes in precipitation. The wettest month, January, receives heavy snowfall, with an average of 197 mm (7.8 in) of precipitation. This snowfall is distributed across 17 snowy days.

In contrast, the driest month, August, experiences much less snowfall, totaling 20 mm (0.8 in) over a single snowy day. These distinct seasonal differences provide diverse experiences throughout the year.

January, the wettest month, has a maximum daytime temperature of 29°C (84°F). During the driest month August you can expect a temperature of 32°C (90°F). For more detailed insights into the city's temperatures, visit our Siladen Island Temperature page.

Siladen Island's average annual precipitation is 1159 mm (46 in). Let's compare this to some popular worldwide tourist destinations:

In Lisbon, Portugal, the average annual precipitation is 774 mm (30 in), characterized by wet winters and dry summers typical of the Mediterranean climate.

Meanwhile, Buenos Aires, Argentina, enjoys a humid subtropical climate with 1000 mm (39 in) of annual rainfall, mostly in the summer.

Perth, Australia, receives 565 mm (22 in) of rainfall annually, mostly during the winter months.

Bangkok, Thailand, experiences a tropical monsoon climate with 1668 mm (66 in) of annual rainfall, with the heaviest precipitation occurring during September and October.

Precipitation amounts are measured using specific gauges installed at weather stations, collecting both rain and snow and any other type of precipitation. Rainfall is measured directly in millimeters, while that from snow and ice is obtained by melting it. Automated systems often incorporate heaters to make this easier.

Information from these stations is transmitted via Wi-Fi, satellite, GPS, or telephone connections to central monitoring networks. This information is immediately updated and integrated into weather models and forecasts.

Precipitation has a very strong role in determining the local climate and ecosystem:

• Changing Rainfall Patterns: Global warming causes drastic changes in the patterns of rainfall. Some areas have been experiencing increased frequency and intensity of rainfall, while other areas experience longer dry spells or even droughts.
• Local Impacts: Many regions are experiencing heavier rainfall in the winter months and drier, hotter summers. This affects agriculture, water resources, and ecosystems.

• The U.S. has a significant number of thunderstorms every year, with over 14.6 million taking place across the world annually.
• Approximately 70% of lightning bolts strike land rather than oceans.
• A storm named John was the longest-lasting Pacific tropical storm, continuing for 31 days. As it crossed the dateline twice, it changed status from a hurricane to a typhoon and back to a hurricane.

For more detailed information about Siladen Island's weather, including sunshine hours, humidity levels, and temperature data, visit our Siladen Island Climate page.