Climate Overview
The climate in San José de Río Tinto is warm and mild. The average annual temperature is 25°C and approximately 1203mm of precipitation falls per year. June is the wettest month, receiving around 221mm of rainfall. San José de Río Tinto is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: May, April, September. The coldest months are January, February, December, when temperatures can drop to 19°C.
Temperature
San José de Río Tinto sees moderate temperature variation throughout the year, ranging from 19°C to 33°C. The warmest month is May, when average highs reach 33°C and the mean temperature sits around 27°C. January is the coolest month, with minimum temperatures around 19°C and an average of 23°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs.
Precipitation
San José de Río Tinto is a fairly wet location, receiving approximately 1203mm of precipitation annually, which averages out to around 100mm per month. The wettest month is June, averaging 221mm of rainfall. October and September also tend to see above-average precipitation. The driest month is February, with just 23mm. That's 198mm less than June, 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 José de Río Tinto is mildly breezy, with an average annual wind speed of 12km/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 9km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/h gap between the calmest and windiest months.
Seasons
89 days until Summer
It is currently spring in San José de Río Tinto, which began on March 20, 2026. San José de Río Tinto 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 May at around 33°C, while the coldest stretch bottoms out in January near 19°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 20 to 33°C. Precipitation is moderate at around 179mm for the season, averaging 60mm per month. Winds are generally light, averaging 13km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 22 to 30°C. Rainfall is heavy, totalling around 459mm across the season with a monthly average of 153mm. Winds are generally light, averaging 12km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 21 to 31°C. Rainfall is heavy, totalling around 448mm across the season with a monthly average of 149mm. Winds are generally light, averaging 10km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 19 to 29°C. Rainfall is relatively light, with around 117mm over the season and a monthly average of 39mm. Winds are generally light, averaging 13km/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 José de Río Tinto is during January, February, March and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 37mm per month. By contrast, May can be uncomfortably hot with temperatures reaching 33°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 José de Río Tinto 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.
