Ayacucho climate — normals and trends
Ayacucho (Argentina) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 14.5 °C and it receives 797 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 January (21.4 °C on average) and the coldest is July (7.8 °C). Rainfall peaks in November.
Ayacucho averages 13 frost days, 23 hot days (≥ 30 °C) and 92 rainy days per year.
No statistically significant temperature trend emerges for Ayacucho between 1940 and 2025: over this span, year-to-year swings outweigh the climate signal.
The hottest day of the period reached 40.0 °C (on 14 January 2022) and the coldest -7.4 °C (on 6 July 1988).
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
AyacuchoBuenos Aires
- coords
- -37.15°, -58.49°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.5°C
Average daily high
20.0°C
Average daily low
9.4°C
Annual rainfall
797mm
Sunshine / day
9.3h
Mean relative humidity
74%
Average peak wind
20.4km/h
Seasonal range
13.6°C
Frost days (< 0 °C)
13 d/yr
Hot days (≥ 30 °C)
23 d/yr
Rainy days (≥ 1 mm)
92 d/yr
Annual snowfall
0.0 cm
Average feels-like high
18.8 °C
Average feels-like low
7.2 °C
Average peak gust
38.1 km/h
Tropical nights (≥ 20 °C)
5 d/yr
Solar radiation
16.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
No clear trend over this period
Over a short window, year-to-year swings outweigh the climate signal. Try 86 years.
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
40.0 °C
14 January 2022
Coldest day
-7.4 °C
6 July 1988
Wettest day
112 mm
28 June 1948
Windiest day
56.6 km/h
17 April 1990
Strongest gust
99.0 km/h
16 June 1963
Hottest feels-like
42.1 °C
1 February 1947
Coldest feels-like
-11.6 °C
6 July 1988
Snowiest day
0.6 cm
1 August 1976
Sunniest day
14.2 h
8 December 2024
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 | 29.0 °C | +1.3 °C | 20 mm | -64 mm |
| Feb | 29.7 °C | +2.9 °C | 36 mm | -38 mm |
| Mar | 24.0 °C | -0.2 °C | 114 mm | +34 mm |
| Apr | 19.2 °C | -1.0 °C | 45 mm | -24 mm |
| May | 17.3 °C | +1.0 °C | 87 mm | +34 mm |
| Jun | 12.6 °C | -0.5 °C | 26 mm | -18 mm |
| Jul | 12.7 °C | +0.1 °C | 63 mm | +18 mm |
| Aug | 14.5 °C | +0.1 °C | 72 mm | +23 mm |
| Sep | 17.0 °C | +0.4 °C | 90 mm | +32 mm |
| Oct | 20.5 °C | +1.1 °C | 131 mm | +52 mm |
| Nov | 22.3 °C | -0.6 °C | 69 mm | -18 mm |
| Dec | 28.0 °C | +1.9 °C | 96 mm | +19 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 temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 14.5 °C and it receives 797 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 14 January 2022, reaching 40.0 °C.
What is the coldest day in Ayacucho?
The coldest day measured in Ayacucho between 1940 and 2025 was 6 July 1988, at -7.4 °C.
Does it snow in Ayacucho?
Almost never: Ayacucho sees virtually no snow, with about 13 frost days per year.
Has the climate of Ayacucho warmed?
Between 1940 and 2025, no statistically significant temperature trend emerges in Ayacucho.
What is the wettest day in Ayacucho?
The wettest day measured in Ayacucho between 1940 and 2025 was 28 June 1948, with 112 mm of rain in 24 hours.
What was the windiest day in Ayacucho?
The windiest day measured in Ayacucho between 1940 and 2025 was 17 April 1990, with winds reaching 56.6 km/h.
What is the warmest month in Ayacucho?
The warmest month in Ayacucho is January (21.4 °C on average); the coldest is July (7.8 °C).
How much does it rain in Ayacucho?
Ayacucho receives on average 797 mm of precipitation per year, spread over about 92 rainy days.
Is it sunny in Ayacucho?
Ayacucho gets on average 9.3 hours of sunshine per day, roughly 3,395 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 1 August 1976, with 0.6 cm.
Are there tropical nights in Ayacucho?
Yes: Ayacucho has on average 5 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Ayacucho?
In Ayacucho, between 1940 and 2025, the highest apparent temperature reached 42.1 °C on 1 February 1947, and the lowest was -11.6 °C on 6 July 1988.
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