Climate Overview
The climate in Chilecito is temperate. The average annual temperature is 15°C and approximately 2307mm 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 64cm accumulating over the season.
Temperature
Temperatures in Chilecito vary considerably across the year, with a 22°C difference between the coldest and warmest months. The warmest month is January, when average highs reach 25°C and the mean temperature sits around 20°C. July is the coolest month, with minimum temperatures around 3°C and an average of 9°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.
Precipitation
Chilecito is a very wet location, receiving approximately 2307mm of precipitation annually, which averages out to around 192mm per month. The wettest month is January, averaging 273mm of rainfall. March and February also tend to see above-average precipitation. The driest month is July, with just 73mm. That's 200mm less than January, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall. Snowfall is a regular feature from April to September, with around 64cm accumulating over the season. June typically sees the most snow at around 19cm.
Wind
Chilecito is relatively calm, with an average annual wind speed of 7km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.
Seasons
87 days until Summer
It is currently spring in Chilecito, which began on September 23, 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 25°C, while the coldest stretch bottoms out in July near 3°C. Summer is next, beginning on December 21, 2026 (87 days from now).
Spring
Temperatures range from 8 to 23°C. Rainfall is heavy, totalling around 517mm across the season with a monthly average of 172mm. Winds are generally light, averaging 7km/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 776mm across the season with a monthly average of 259mm. Winds are generally light, averaging 7km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 7 to 23°C. Rainfall is heavy, totalling around 715mm across the season with a monthly average of 238mm. Expect around 8cm of snow accumulation during this period. Winds are generally light, averaging 6km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 3 to 18°C. Precipitation is moderate at around 298mm for the season, averaging 99mm per month. Expect around 45cm of snow accumulation during this period. Winds are generally light, averaging 6km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
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.
