Climate Overview
The climate in Ayacucho is temperate. The average annual temperature is 11°C and approximately 815mm of precipitation falls per year. February is the wettest month, receiving around 152mm of rainfall. Ayacucho 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: November, October, December. The coldest months are July, June, August, when temperatures can drop to 3°C.
Temperature
Ayacucho sees moderate temperature variation throughout the year, ranging from 3°C to 18°C. November is the warmest month, though highs remain moderate at 18°C with a mean of 13°C. July is the coolest month, with minimum temperatures around 3°C and an average of 10°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs.
Precipitation
Ayacucho is a moderately rainy area, receiving approximately 815mm of precipitation annually, which averages out to around 68mm per month. The wettest month is February, averaging 152mm of rainfall. January and March also tend to see above-average precipitation. The driest month is July, with just 9mm. That's 143mm less than February, 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
Ayacucho is relatively calm, with an average annual wind speed of 8km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is September, averaging 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 7km/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.
Seasons
89 days until Winter
It is currently autumn in Ayacucho, which began on March 20, 2026. Ayacucho 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 November at around 18°C, while the coldest stretch bottoms out in July near 3°C. Winter is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 6 to 18°C. Precipitation is moderate at around 165mm for the season, averaging 55mm per month. Winds are generally light, averaging 9km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 8 to 18°C. Rainfall is heavy, totalling around 415mm across the season with a monthly average of 138mm. Winds are generally light, averaging 8km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 6 to 17°C. Precipitation is moderate at around 197mm for the season, averaging 66mm per month. Winds are generally light, averaging 7km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 3 to 16°C. Precipitation is minimal, with only around 38mm for the entire season. Winds are generally light, averaging 8km/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 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.
