Climate Overview
The climate in Sondu is warm and mild. The average annual temperature is 20°C and approximately 1984mm of precipitation falls per year. Sondu receives a notable amount of rainfall throughout the year, including during its driest month. Sondu sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Sondu sees moderate temperature variation throughout the year, ranging from 15°C to 29°C. The warmest month is February, when average highs reach 29°C and the mean temperature sits around 22°C. August is the coolest month, with minimum temperatures around 15°C and an average of 20°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs.
Precipitation
Sondu is a fairly wet location, receiving approximately 1984mm of precipitation annually, which averages out to around 165mm per month. The wettest month is April, averaging 378mm of rainfall. November and May also tend to see above-average precipitation. The driest month is February, with just 51mm. That's 328mm less than April, 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.
Wind
Sondu is relatively calm, with an average annual wind speed of 9km/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 11km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.
Seasons
89 days until Winter
It is currently autumn in Sondu, which began on March 20, 2026. Sondu sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in February at around 29°C, while the coldest stretch bottoms out in August near 15°C. Winter is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 15 to 26°C. Rainfall is heavy, totalling around 626mm across the season with a monthly average of 209mm. Winds are generally light, averaging 9km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 16 to 29°C. Precipitation is moderate at around 264mm for the season, averaging 88mm per month. Winds are generally light, averaging 10km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 16 to 28°C. Rainfall is heavy, totalling around 789mm across the season with a monthly average of 263mm. Winds are generally light, averaging 9km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 15 to 25°C. Rainfall is heavy, totalling around 306mm across the season with a monthly average of 102mm. Winds are generally light, averaging 9km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Sondu is during January, February and July, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 70mm per month. By contrast, August can be quite cold with temperatures dropping to 15°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.
Monthly Climate Data
The table below shows monthly climate averages for Sondu 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.