Climate Overview
The climate in São Joaquim is temperate. The average annual temperature is 16°C and approximately 1498mm of precipitation falls per year. São Joaquim receives a notable amount of rainfall throughout the year, including during its driest month. São Joaquim 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: January, February, December. The coldest months are July, June, August, when temperatures can drop to 7°C.
Temperature
São Joaquim sees moderate temperature variation throughout the year, ranging from 7°C to 25°C. January is the warmest month, though highs remain moderate at 25°C with a mean of 20°C. July is the coolest month, with minimum temperatures around 7°C and an average of 11°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 3°C shift in average temperatures.
Precipitation
São Joaquim is a fairly wet location, receiving approximately 1498mm of precipitation annually, which averages out to around 125mm per month. The wettest month is January, averaging 167mm of rainfall. May and October also tend to see above-average precipitation. The driest month is August, with just 91mm. That's 76mm less than January, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.
Wind
São Joaquim is relatively calm, with an average annual wind speed of 3km/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 3km/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. Wind conditions are fairly consistent throughout the year, varying by only 0km/h between the calmest and windiest months.
Seasons
89 days until Spring
It is currently winter in São Joaquim, which began on June 21, 2026. São Joaquim 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 January at around 25°C, while the coldest stretch bottoms out in July near 7°C. Spring is next, beginning on September 23, 2026 — 89 days from now.
Spring
Temperatures range from 11 to 22°C. Rainfall is heavy, totalling around 407mm across the season with a monthly average of 136mm. Winds are generally light, averaging 3km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 15 to 25°C. Rainfall is heavy, totalling around 428mm across the season with a monthly average of 143mm. Winds are generally light, averaging 3km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 10 to 23°C. Rainfall is heavy, totalling around 376mm across the season with a monthly average of 125mm. Winds are generally light, averaging 3km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 7 to 18°C. Precipitation is moderate at around 286mm for the season, averaging 95mm per month. Winds are generally light, averaging 3km/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 São Joaquim is during April, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 95mm per month. By contrast, January can be uncomfortably hot with highs reaching 25°C, while July is the coldest period with lows dropping to 7°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.
Monthly Climate Data
The table below shows monthly climate averages for São Joaquim 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.