Climate Insights for San José de Jáchal

The climate in San José de Jáchal is temperate. The average annual temperature is 14°C and approximately 283mm of precipitation falls per year. January is the wettest month, receiving around 72mm of rainfall. San José de Jáchal 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 -2°C. Light snow can occur between April and September.

Temperatures in San José de Jáchal vary considerably across the year, with a 30°C difference between the coldest and warmest months. The warmest month is January, when average highs reach 28°C and the mean temperature sits around 22°C. The coldest month is July, when overnight lows fall to -2°C and the daily average is 5°C. On average, daily temperatures fluctuate by about 14°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 5°C shift in average temperatures.

San José de Jáchal is a quite dry location, receiving approximately 283mm of precipitation annually, which averages out to around 24mm per month. The wettest month is January, averaging 72mm of rainfall. February and March also tend to see above-average precipitation. The driest month is July, with just 5mm. That's 67mm less than January, 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. Light snowfall can occur between April and September, totalling around 16cm annually. June is the snowiest month with approximately 5cm.

San José de Jáchal 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 5km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/h gap between the calmest and windiest months.

It is currently spring in San José de Jáchal, which began on September 23, 2026. San José de Jáchal 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 28°C, while the coldest stretch bottoms out in July near -2°C. Summer is next, beginning on December 21, 2026 (87 days from now).

The best time to visit San José de Jáchal is during January, February, March, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 37mm per month. By contrast, July can be quite cold with temperatures dropping to -2°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for San José de Jáchal 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.