Climate Overview
The climate in La Quiaca is temperate. The average annual temperature is 12°C and approximately 283mm of precipitation falls per year. January is the wettest month, receiving around 77mm of rainfall. La Quiaca 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: October, November, December. The coldest months are July, June, August, when temperatures can drop to 0°C.
Temperature
Temperatures in La Quiaca vary considerably across the year, with a 23°C difference between the coldest and warmest months. October is the warmest month, though highs remain moderate at 23°C with a mean of 13°C. The coldest month is July, when overnight lows fall to 0°C and the daily average is 8°C. On average, daily temperatures fluctuate by about 15°C between overnight lows and afternoon highs. The sharpest temperature change occurs between August and September, with a 3°C shift in average temperatures.
Precipitation
La Quiaca 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 77mm of rainfall. February and December also tend to see above-average precipitation. The driest month is June, with just 0mm. That's 77mm 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.
Wind
La Quiaca is moderately windy, with an average annual wind speed of 21km/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 26km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in February, with average winds dropping to 17km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 9km/h gap between the calmest and windiest months.
Seasons
89 days until Winter
It is currently autumn in La Quiaca, which began on March 20, 2026. La Quiaca 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 October at around 23°C, while the coldest stretch bottoms out in July near 0°C. Winter is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 3 to 23°C. Precipitation is minimal, with only around 42mm for the entire season. Winds are strong, averaging 25km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 8 to 22°C. Precipitation is moderate at around 198mm for the season, averaging 66mm per month. Winds are moderate at around 19km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 3 to 21°C. Precipitation is minimal, with only around 41mm for the entire season. Winds are moderate at around 19km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 0 to 19°C. Precipitation is minimal, with only around 2mm for the entire season. Winds are moderate at around 20km/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 La Quiaca 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.
