Climate Overview
The climate in Siasi is hot. The average annual temperature is 27°C and approximately 1529mm of precipitation falls per year. Siasi receives a notable amount of rainfall throughout the year, including during its driest month. Siasi sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Siasi has relatively stable temperatures year-round, staying within a 3°C range. The warmest month is May, when average highs reach 29°C and the mean temperature sits around 28°C. February is the coolest month, with minimum temperatures around 26°C and an average of 27°C. Daily temperature variation is modest, with an average difference of 1°C between highs and lows.
Precipitation
Siasi is a fairly wet location, receiving approximately 1529mm of precipitation annually, which averages out to around 127mm per month. The wettest month is October, averaging 181mm of rainfall. June and December also tend to see above-average precipitation. The driest month is April, with just 74mm. That's 106mm less than October, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.
Wind
Siasi is relatively calm, with an average annual wind speed of 12km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 14km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/h gap between the calmest and windiest months.
Seasons
87 days until Winter
It is currently autumn in Siasi, which began on September 23, 2026. Siasi sits near the equator, so the traditional four-season cycle is less pronounced. Temperatures remain relatively stable year-round. The warmest period peaks in May at around 29°C, while the coldest stretch bottoms out in February near 26°C. Winter is next, beginning on December 21, 2026 (87 days from now).
Spring
Temperatures range from 26 to 29°C. Precipitation is moderate at around 287mm for the season, averaging 96mm per month. Winds are generally light, averaging 10km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 27 to 28°C. Rainfall is heavy, totalling around 449mm across the season with a monthly average of 150mm. Winds are generally light, averaging 13km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 27 to 28°C. Rainfall is heavy, totalling around 447mm across the season with a monthly average of 149mm. Winds are generally light, averaging 11km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 346mm across the season with a monthly average of 115mm. Winds are generally light, averaging 13km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Siasi based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.
