Climate Insights for Humahuaca

The climate in Humahuaca is cool. The average annual temperature is 9°C and approximately 939mm of precipitation falls per year. January is the wettest month, receiving around 204mm of rainfall. Humahuaca 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, December, November. The coldest months are July, June, August, when temperatures can drop to -1°C. Light snow can occur between April and November.

Humahuaca sees moderate temperature variation throughout the year, ranging from -1°C to 17°C. October is the warmest month, though highs remain moderate at 17°C with a mean of 10°C. The coldest month is July, when overnight lows fall to -1°C and the daily average is 6°C. On average, daily temperatures fluctuate by about 13°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 2°C shift in average temperatures.

Humahuaca is a moderately rainy area, receiving approximately 939mm of precipitation annually, which averages out to around 78mm per month. The wettest month is January, averaging 204mm of rainfall. February and December also tend to see above-average precipitation. The driest month is June, with just 2mm. That's 203mm 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 November, totalling around 15cm annually. September is the snowiest month with approximately 3cm.

Humahuaca is relatively calm, with an average annual wind speed of 10km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 11km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 9km/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.

It is currently autumn in Humahuaca, which began on March 20, 2026. Humahuaca 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 17°C, while the coldest stretch bottoms out in July near -1°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

The table below shows monthly climate averages for Humahuaca 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.