Climate Overview
The climate in San Isidro de Curuguaty is warm and mild. The average annual temperature is 23°C and approximately 1413mm of precipitation falls per year. San Isidro de Curuguaty receives a notable amount of rainfall throughout the year, including during its driest month. San Isidro de Curuguaty 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 14°C.
Temperature
San Isidro de Curuguaty sees moderate temperature variation throughout the year, ranging from 14°C to 32°C. The warmest month is January, when average highs reach 32°C and the mean temperature sits around 27°C. July is the coolest month, with minimum temperatures around 14°C and an average of 18°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 4°C shift in average temperatures.
Precipitation
San Isidro de Curuguaty is a fairly wet location, receiving approximately 1413mm of precipitation annually, which averages out to around 118mm per month. The wettest month is December, averaging 175mm of rainfall. October and January also tend to see above-average precipitation. The driest month is June, with just 72mm. That's 103mm less than December, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.
Wind
San Isidro de Curuguaty 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 August, averaging 14km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 13km/h in winter, 14km/h in spring, 11km/h in summer, 12km/h in autumn.
Seasons
89 days until Winter
It is currently autumn in San Isidro de Curuguaty, which began on March 20, 2026. San Isidro de Curuguaty 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 32°C, while the coldest stretch bottoms out in July near 14°C. Winter is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 17 to 31°C. Rainfall is heavy, totalling around 396mm across the season with a monthly average of 132mm. Winds are generally light, averaging 14km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 21 to 32°C. Rainfall is heavy, totalling around 443mm across the season with a monthly average of 148mm. Winds are generally light, averaging 11km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 16 to 31°C. Rainfall is heavy, totalling around 336mm across the season with a monthly average of 112mm. Winds are generally light, averaging 12km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 14 to 27°C. Precipitation is moderate at around 239mm for the season, averaging 80mm per month. 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 Isidro de Curuguaty is during April, June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 85mm per month. By contrast, January can be uncomfortably hot with temperatures reaching 32°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 San Isidro de Curuguaty 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.