Climate Overview
The climate in San Juan del Surutú is warm and mild. The average annual temperature is 22°C and approximately 1443mm of precipitation falls per year. San Juan del Surutú receives a notable amount of rainfall throughout the year, including during its driest month. San Juan del Surutú is in the Southern Hemisphere. The seasons are reversed — summer runs from December to February, while winter falls between June and August. The summer months are: October, November, September. The coldest months are June, July, August, when temperatures can drop to 15°C.
Temperature
San Juan del Surutú sees moderate temperature variation throughout the year, ranging from 15°C to 29°C. The warmest month is October, when average highs reach 29°C and the mean temperature sits around 24°C. June is the coolest month, with minimum temperatures around 15°C and an average of 18°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between April and May, with a 3°C shift in average temperatures.
Precipitation
San Juan del Surutú is a fairly wet location, receiving approximately 1443mm of precipitation annually, which averages out to around 120mm per month. The wettest month is December, averaging 222mm of rainfall. January and February also tend to see above-average precipitation. The driest month is September, with just 36mm. That's 186mm 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.
Wind
San Juan del Surutú is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.
Seasons
84 days until Spring
It is currently winter in San Juan del Surutú, which began on June 21, 2026. San Juan del Surutú is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in October at around 29°C, while the coldest stretch bottoms out in June near 15°C. Spring is next, beginning on September 23, 2026 — 84 days from now.
Spring
Temperatures range from 18 to 29°C. Precipitation is moderate at around 276mm for the season, averaging 92mm per month. Winds are generally light, averaging 3km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 21 to 29°C. Rainfall is heavy, totalling around 628mm across the season with a monthly average of 209mm. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 17 to 28°C. Rainfall is heavy, totalling around 323mm across the season with a monthly average of 108mm. Winds are generally light, averaging 3km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 15 to 26°C. Precipitation is moderate at around 216mm for the season, averaging 72mm per month. Winds are generally light, averaging 3km/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 San Juan del Surutú is during April, June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 69mm per month. By contrast, October can be uncomfortably hot with temperatures reaching 29°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for San Juan del Surutú 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.
