Climate Overview
The climate in La Quiaca is temperate. The average annual temperature is 10°C and approximately 561mm of precipitation falls per year. January is the wettest month, receiving around 126mm 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, August, June, when temperatures can drop to 1°C. Light snow can occur between January and September.
Temperature
La Quiaca sees moderate temperature variation throughout the year, ranging from 1°C to 20°C. October is the warmest month, though highs remain moderate at 20°C with a mean of 12°C. July is the coolest month, with minimum temperatures around 1°C and an average of 7°C. On average, daily temperatures fluctuate by about 14°C between overnight lows and afternoon highs. The sharpest temperature change occurs between August and September, with a 2°C shift in average temperatures.
Precipitation
La Quiaca is a relatively dry area, receiving approximately 561mm of precipitation annually, which averages out to around 47mm per month. The wettest month is January, averaging 126mm of rainfall. February and December also tend to see above-average precipitation. The driest month is June, with just 1mm. That's 125mm 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 January and September, totalling around 11cm annually. July is the snowiest month with approximately 2cm.
Wind
La Quiaca 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 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, 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 1km/h between the calmest and windiest months.
Seasons
92 days until Spring
It is currently winter in La Quiaca, which began on June 21, 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 20°C, while the coldest stretch bottoms out in July near 1°C. Spring is next, beginning on September 23, 2026 — 92 days from now.
Spring
Temperatures range from 3 to 20°C. Rainfall is relatively light, with around 105mm over the season and a monthly average of 35mm. Winds are generally light, averaging 3km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 7 to 19°C. Rainfall is heavy, totalling around 340mm across the season with a monthly average of 113mm. Winds are generally light, averaging 2km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 3 to 19°C. Rainfall is relatively light, with around 106mm over the season and a monthly average of 35mm. Winds are generally light, averaging 2km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 1 to 17°C. Precipitation is minimal, with only around 10mm for the entire season. Winds are generally light, averaging 2km/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. 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.
