Climate Insights for Riacho de Santana

The climate in Riacho de Santana is cool. The average annual temperature is 8°C and approximately 352mm of precipitation falls per year. December is the wettest month, receiving around 33mm of rainfall. Riacho de Santana 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: March, April, February. The coldest months are August, July, June, when temperatures can drop to 3°C.

Temperatures in Riacho de Santana vary considerably across the year, with a 23°C difference between the coldest and warmest months. The warmest month is March, when average highs reach 26°C and the mean temperature sits around 18°C. August is the coolest month, with minimum temperatures around 3°C and an average of 3°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows. The sharpest temperature change occurs between April and May, with a 6°C shift in average temperatures.

Riacho de Santana is a quite dry location, receiving approximately 352mm of precipitation annually, which averages out to around 29mm per month. The wettest month is February, averaging 33mm of rainfall. March and April also tend to see above-average precipitation. The driest month is June, with just 5mm. That's 28mm less than February, 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.

Riacho de Santana is relatively calm, with an average annual wind speed of 5km/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 10km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 9km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans.

It is currently winter in Riacho de Santana, which began on June 21, 2026. Riacho de Santana 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 March at around 26°C, while the coldest stretch bottoms out in August near 3°C. Spring is next, beginning on September 23, 2026 (16 days from now).

The best time to visit Riacho de Santana is during March, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 33mm per month. By contrast, August can be quite cold with temperatures dropping to 3°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Riacho de Santana 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.