Climate Insights for Ayacucho

The climate in Ayacucho is warm and mild. The average annual temperature is 24°C and approximately 2654mm of precipitation falls per year. May is the wettest month, receiving around 385mm of rainfall. Ayacucho sits near the equator, so seasonal temperature differences are minimal throughout the year.

Ayacucho sees moderate temperature variation throughout the year, ranging from 20°C to 31°C. The warmest month is February, when average highs reach 31°C and the mean temperature sits around 25°C. January is the coolest month, with minimum temperatures around 20°C and an average of 24°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.

Ayacucho is a very wet location, receiving approximately 2654mm of precipitation annually, which averages out to around 221mm per month. The wettest month is May, averaging 385mm of rainfall. October and September also tend to see above-average precipitation. The driest month is February, with just 19mm. That's 366mm less than May, 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.

Ayacucho is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 6km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 3km/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 autumn in Ayacucho, which began on September 23, 2026. Ayacucho sits near the equator, so the traditional four-season cycle is less pronounced. Temperatures remain relatively stable year-round. The warmest period peaks in February at around 31°C, while the coldest stretch bottoms out in January near 20°C. Winter is next, beginning on December 21, 2026 (87 days from now).

The best time to visit Ayacucho is during January and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 52mm per month. By contrast, February can be uncomfortably hot with temperatures reaching 31°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 Ayacucho 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.