Climate Insights for Chivilcoy

The climate in Chivilcoy is cold. The average annual temperature is -34°C and approximately 49mm of precipitation falls per year. April is the wettest month, receiving around 16mm of rainfall. Chivilcoy 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, March, February. The coldest months are December, July, August, when temperatures can drop to -51°C. Light snow can occur between March and June.

Temperatures in Chivilcoy vary considerably across the year, with a 35°C difference between the coldest and warmest months. January is the warmest month, though highs remain moderate at -16°C with a mean of -20°C. December brings the harshest conditions, with lows dropping to -51°C and an average temperature of -51°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between August and September, with a 14°C shift in average temperatures.

Chivilcoy is a quite dry location, receiving approximately 49mm of precipitation annually, which averages out to around 4mm per month. The wettest month is April, averaging 16mm of rainfall. June and May also tend to see above-average precipitation. The driest month is January, with just 0mm. 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. Light snowfall can occur between March and June, totalling around 49cm annually. April is the snowiest month with approximately 16cm.

Chivilcoy is relatively calm, 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 May, averaging 19km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 15km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 11km/h in winter, 10km/h in spring, 7km/h in summer, 18km/h in autumn.

It is currently winter in Chivilcoy, which began on June 21, 2026. Chivilcoy 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 -16°C, while the coldest stretch bottoms out in December near -51°C. Spring is next, beginning on September 23, 2026 — 16 days from now.

The table below shows monthly climate averages for Chivilcoy 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. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. 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.