Climate Insights for Soyo

The climate in Soyo is hot. The average annual temperature is 25°C and approximately 945mm of precipitation falls per year. December is the wettest month, receiving around 191mm of rainfall. Soyo sits near the equator, so seasonal temperature differences are minimal throughout the year.

Soyo has relatively stable temperatures year-round, staying within a 8°C range. The warmest month is March, when average highs reach 29°C and the mean temperature sits around 27°C. August is the coolest month, with minimum temperatures around 21°C and an average of 22°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows. The sharpest temperature change occurs between May and June, with a 3°C shift in average temperatures.

Soyo is a moderately rainy area, receiving approximately 945mm of precipitation annually, which averages out to around 79mm per month. The wettest month is December, averaging 191mm of rainfall. November and April also tend to see above-average precipitation. The driest month is July, with just 3mm. That's 189mm less than December, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Soyo is mildly breezy, with an average annual wind speed of 15km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is October, averaging 18km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 14km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h between the calmest and windiest months.

It is currently autumn in Soyo, which began on March 20, 2026. Soyo sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in March at around 29°C, while the coldest stretch bottoms out in August near 21°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Soyo is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 5mm per month. By contrast, March can be uncomfortably hot with temperatures reaching 29°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Soyo 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.