Climate Insights for Río Segundo

The climate in Río Segundo is warm and mild. The average annual temperature is 20°C and approximately 2614mm of precipitation falls per year. Río Segundo receives a notable amount of rainfall throughout the year, including during its driest month. Río Segundo is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: September, May, June. The coldest months are February, January, March, when temperatures can drop to 16°C.

Río Segundo has relatively stable temperatures year-round, staying within a 9°C range. The warmest month is September, when average highs reach 25°C and the mean temperature sits around 21°C. February is the coolest month, with minimum temperatures around 16°C and an average of 19°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows.

Río Segundo is a very wet location, receiving approximately 2614mm of precipitation annually, which averages out to around 218mm per month. The wettest month is October, averaging 370mm of rainfall. November and June also tend to see above-average precipitation. The driest month is March, with just 53mm. That's 317mm less than October, 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.

Río Segundo is relatively calm, with an average annual wind speed of 10km/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 October, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 7km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 13km/h in winter, 11km/h in spring, 9km/h in summer, 8km/h in autumn.

It is currently spring in Río Segundo, which began on March 20, 2026. Río Segundo is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in September at around 25°C, while the coldest stretch bottoms out in February near 16°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Río Segundo is during February, March and April, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 78mm per month. By contrast, September can be uncomfortably hot with temperatures reaching 25°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.

The table below shows monthly climate averages for Río Segundo 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.