Climate Insights for Río Segundo

The climate in Río Segundo is warm and mild. The average annual temperature is 20°C and approximately 61mm of precipitation falls per year. October is the wettest month, receiving around 33mm of rainfall. Río Segundo 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: November, September, October. The coldest months are December, March, April, when temperatures can drop to 7°C.

Temperatures in Río Segundo vary considerably across the year, with a 29°C difference between the coldest and warmest months. November is the hottest month, with daytime highs reaching 36°C and an average of 29°C. December is the coolest month, with minimum temperatures around 7°C and an average of 15°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between November and December, with a 14°C shift in average temperatures.

Río Segundo is a quite dry location, receiving approximately 61mm of precipitation annually, which averages out to around 5mm per month. The wettest month is October, averaging 33mm of rainfall. February and January also tend to see above-average precipitation. The driest month is June, with just 0mm. That's 33mm 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 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 6km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 6km/h in winter, 4km/h in spring, 2km/h in summer, 3km/h in autumn.

It is currently winter in Río Segundo, which began on June 21, 2026. Río Segundo 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 November at around 36°C, while the coldest stretch bottoms out in December near 7°C. Spring is next, beginning on September 23, 2026 — 16 days from now.

The best time to visit Río Segundo is during January, February, March, April, May, June, July, August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 6mm per month. By contrast, November can be uncomfortably hot with highs reaching 36°C, while December is the coldest period with lows dropping to 7°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

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.