Ayacucho climate — normals and trends
Ayacucho (Peru) has a subtropical highland, dry winter climate (Cwb) under the Köppen-Geiger classification. Its mean annual temperature is 9.4 °C and it receives 1,119 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is December (10.7 °C on average) and the coldest is July (7.3 °C). Rainfall peaks in January.
Ayacucho averages 22 frost days, 0 hot days (≥ 30 °C) and 214 rainy days per year.
Ayacucho has warmed by +1.4 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.
The hottest day of the period reached 22.7 °C (on 12 December 1989) and the coldest -8.3 °C (on 10 July 1953).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
AyacuchoAyacucho
- coords
- -13.16°, -74.22°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.4°C
Average daily high
15.1°C
Average daily low
4.8°C
Annual rainfall
1,119mm
Sunshine / day
10.7h
Mean relative humidity
72%
Average peak wind
9.3km/h
Seasonal range
3.4°C
Frost days (< 0 °C)
22 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
214 d/yr
Annual snowfall
1.3 cm
Average feels-like high
14.2 °C
Average feels-like low
2.8 °C
Average peak gust
28.3 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
20.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.55 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
22.7 °C
12 December 1989
Coldest day
-8.3 °C
10 July 1953
Wettest day
41 mm
18 June 1941
Windiest day
22.8 km/h
13 November 2025
Strongest gust
70.9 km/h
13 November 2025
Hottest feels-like
22.8 °C
17 November 2023
Coldest feels-like
-12.3 °C
10 July 1953
Snowiest day
20.3 cm
19 June 1941
Sunniest day
12.7 h
29 December 1952
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 16.6 °C | +1.3 °C | 167 mm | -21 mm |
| Feb | 16.1 °C | +1.0 °C | 207 mm | +23 mm |
| Mar | 15.7 °C | +0.7 °C | 238 mm | +73 mm |
| Apr | 15.8 °C | +0.9 °C | 84 mm | +5 mm |
| May | 15.7 °C | +1.1 °C | 32 mm | -1 mm |
| Jun | 14.7 °C | +0.8 °C | 26 mm | +6 mm |
| Jul | 15.4 °C | +1.6 °C | 9 mm | -10 mm |
| Aug | 15.4 °C | +0.9 °C | 54 mm | +24 mm |
| Sep | 16.3 °C | +1.1 °C | 41 mm | -11 mm |
| Oct | 16.8 °C | +0.7 °C | 143 mm | +56 mm |
| Nov | 18.5 °C | +2.1 °C | 93 mm | -18 mm |
| Dec | 19.0 °C | +3.1 °C | 97 mm | -52 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Ayacucho?
Ayacucho has a subtropical highland, dry winter climate (Köppen Cwb). Over 1940-2025, the average annual temperature is 9.4 °C and it receives 1,119 mm of precipitation per year.
What is the hottest day ever recorded in Ayacucho?
The hottest day measured in Ayacucho between 1940 and 2025 was 12 December 1989, reaching 22.7 °C.
What is the coldest day in Ayacucho?
The coldest day measured in Ayacucho between 1940 and 2025 was 10 July 1953, at -8.3 °C.
Does it snow in Ayacucho?
Yes. Ayacucho gets on average 1.3 cm of snow per year and has around 22 frost days.
Has the climate of Ayacucho warmed?
Yes: Ayacucho warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ayacucho?
The wettest day measured in Ayacucho between 1940 and 2025 was 18 June 1941, with 41 mm of rain in 24 hours.
What was the windiest day in Ayacucho?
The windiest day measured in Ayacucho between 1940 and 2025 was 13 November 2025, with winds reaching 22.8 km/h.
What is the warmest month in Ayacucho?
The warmest month in Ayacucho is December (10.7 °C on average); the coldest is July (7.3 °C).
How much does it rain in Ayacucho?
Ayacucho receives on average 1,119 mm of precipitation per year, spread over about 214 rainy days.
Is it sunny in Ayacucho?
Ayacucho gets on average 10.7 hours of sunshine per day, roughly 3,905 hours per year over 1940-2025.
What is the biggest single-day snowfall in Ayacucho?
The heaviest 24-hour snowfall measured in Ayacucho between 1940 and 2025 was 19 June 1941, with 20.3 cm.
Are there tropical nights in Ayacucho?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Ayacucho.
What was the most extreme apparent temperature in Ayacucho?
In Ayacucho, between 1940 and 2025, the highest apparent temperature reached 22.8 °C on 17 November 2023, and the lowest was -12.3 °C on 10 July 1953.
Compare Ayacucho with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ayacucho