Climate Insights for Chilecito

The climate in Chilecito is temperate. The average annual temperature is 15°C and approximately 1909mm of precipitation falls per year. Chilecito receives a notable amount of rainfall throughout the year, including during its driest month. Chilecito 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, December, February. The coldest months are July, June, August, when temperatures can drop to 3°C. Snowfall occurs from April to September, with around 56cm accumulating over the season.

Temperatures in Chilecito vary considerably across the year, with a 23°C difference between the coldest and warmest months. The warmest month is January, when average highs reach 26°C and the mean temperature sits around 21°C. July is the coolest month, with minimum temperatures around 3°C and an average of 8°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 4°C shift in average temperatures.

Chilecito is a fairly wet location, receiving approximately 1909mm of precipitation annually, which averages out to around 159mm per month. The wettest month is May, averaging 252mm of rainfall. January and February also tend to see above-average precipitation. The driest month is August, with just 44mm. That's 208mm less than May, 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. Snowfall is a regular feature from April to September, with around 56cm accumulating over the season. September typically sees the most snow at around 16cm.

Chilecito is relatively calm, with an average annual wind speed of 2km/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 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 2km/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.

It is currently winter in Chilecito, which began on June 21, 2026. Chilecito 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 26°C, while the coldest stretch bottoms out in July near 3°C. Spring is next, beginning on September 23, 2026 — 93 days from now.

The table below shows monthly climate averages for Chilecito 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.