Climate Overview
The climate in Ayacucho is temperate. The average annual temperature is 10°C and approximately 1110mm of precipitation falls per year. February is the wettest month, receiving around 200mm 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 1°C.
Temperature
Ayacucho sees moderate temperature variation throughout the year, ranging from 1°C to 17°C. November is the warmest month, though highs remain moderate at 17°C with a mean of 12°C. July is the coolest month, with minimum temperatures around 1°C and an average of 8°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs.
Precipitation
Ayacucho is a moderately rainy area, receiving approximately 1110mm of precipitation annually, which averages out to around 93mm per month. The wettest month is February, averaging 200mm of rainfall. March and January also tend to see above-average precipitation. The driest month is July, with just 10mm. That's 190mm 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 5km/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 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 4km/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
7 days until Spring
It is currently winter in Ayacucho, which began on June 21, 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 17°C, while the coldest stretch bottoms out in July near 1°C. Spring is next, beginning on September 23, 2026 (7 days from now).
Spring
Temperatures range from 5 to 17°C. Precipitation is moderate at around 233mm for the season, averaging 78mm per month. Winds are generally light, averaging 5km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 7 to 17°C. Rainfall is heavy, totalling around 537mm across the season with a monthly average of 179mm. Winds are generally light, averaging 5km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 4 to 16°C. Precipitation is moderate at around 289mm for the season, averaging 96mm per month. Winds are generally light, averaging 4km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 1 to 15°C. Rainfall is relatively light, with around 51mm over the season and a monthly average of 17mm. Winds are generally light, averaging 5km/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.