Climate Overview
The climate in Riacho de Santana is hot. The average annual temperature is 26°C and approximately 612mm of precipitation falls per year. November is the wettest month, receiving around 131mm 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: October, September, March. The coldest months are July, June, August, when temperatures can drop to 17°C.
Temperature
Riacho de Santana sees moderate temperature variation throughout the year, ranging from 17°C to 35°C. October is the hottest month, with daytime highs reaching 35°C and an average of 29°C. July is the coolest month, with minimum temperatures around 17°C and an average of 24°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs.
Precipitation
Riacho de Santana is a relatively dry area, receiving approximately 612mm of precipitation annually, which averages out to around 51mm per month. The wettest month is November, averaging 131mm of rainfall. January and December also tend to see above-average precipitation. The driest month is July, with just 1mm. That's 131mm less than November, 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
Riacho de Santana 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 August, averaging 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.
Seasons
12 days until Winter
It is currently autumn in Riacho de Santana, which began on March 20, 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 October at around 35°C, while the coldest stretch bottoms out in July near 17°C. Winter is next, beginning on June 21, 2026 — 12 days from now.
Spring
Temperatures range from 20 to 35°C. Precipitation is moderate at around 163mm for the season, averaging 54mm per month. Winds are generally light, averaging 4km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 22 to 32°C. Rainfall is heavy, totalling around 320mm across the season with a monthly average of 107mm. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 20 to 32°C. Rainfall is relatively light, with around 127mm over the season and a monthly average of 42mm. Winds are generally light, averaging 3km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 17 to 32°C. Precipitation is minimal, with only around 3mm for the entire season. Winds are generally light, averaging 4km/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 Riacho de Santana is during June and July, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 1mm per month. By contrast, October can be uncomfortably hot with temperatures reaching 35°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
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.
