Ayacucho weather in October

In October, Ayacucho sees average daytime highs of 20°C and overnight lows near 9°C, with 84 mm of rain across 9.6 wet days and about 13 hours of daylight. It is the 7th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 21°C by the end. The sky is clear or mostly clear about 32% of the time in October, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of October to 13 h 30 min by month's end. Set against the rest of the year, October is Ayacucho's 8th-clearest and 4th-windiest month. For the whole year in context, see Ayacucho's year-round climate.

Daytime high
20°
7th warmest
Overnight low
6th coldest
Rainfall
84 mm
9.6 wet days
Daylight
13 hours
6:10 AM – 7:08 PM
Cloud cover
58%
8th clearest
Wind
14 km/h
4th windiest
Solar energy
5.42 kWh/m²
Travel score
6.3
out of 10

Ayacucho is city in Buenos Aires province, Argentina.

Founded
1866

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 18°C in the first days to 21°C by the end.

A typical October day in Ayacucho reaches about 20°C in the afternoon and slips back to 9°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 24°C. Set against its neighbours, October runs about 3°C warmer than September and about 3°C cooler than November.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1187
2187
3187
4188
5188
6188
7198
8198
9198
10198
11198
12198
13199
14209
15209
16209
17209
18209
19209
20209
21209
22209
23209
24209
25209
26209
27219
28219
29219
30219
312110

How October really feels in Ayacucho

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Ayacucho weather by month

How October compares with the rest of the year at a glance. October is the 7th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 15°838.714.36.9
Feb26° / 15°738.113.47.0
Mar24° / 13°768.212.37.3
Apr20° / 10°807.311.16.8
May16° / 455.9105.7
Jun13° / 484.99.54.2
Jul13° / 445.59.73.7
Aug15° / 545.510.64.9
Sep17° / 616.811.75.6
Oct20° / 849.6136.3
Nov23° / 11°879.4147.0
Dec26° / 13°738.714.57.1

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 16% of October, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24654
34555
44456
54555
64555
74555
84654
94555
104753
114753
124852
134852
144852
154852
164852
174951
184951
194951
204951
214951
224951
235050
245050
255050
265050
275149
285248
295248
305248
315347

Chance of precipitation in October

Any precipitation

Ayacucho gets around 84 mm of rain over 9.6 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 31% and peaks near 32% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
128
229
329
430
530
631
731
831
931
1031
1131
1231
1331
1431
1531
1631
1731
1831
1931
2031
2131
2231
2331
2431
2531
2631
2731
2831
2931
3031
3132

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the dry band about 84% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19271
29271
39181
49091
59091
689101
788111
888111
987121
1087121
1185132
1285132
1385132
1484142
1583143
1682153
1782153
1882153
1981154
2081154
2181154
2280164
2380164
2480164
2580164
2681163
2780173
2880173
2980173
3079183
3179183

Wind in October

Winds average 14 km/h in October.

Across October, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 24 min at the start of October to 13 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over October. Sunrise moves from 6:32 AM to 5:52 AM, and sunset from 6:54 PM to 7:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:326:54
212.46:306:55
312.56:296:56
412.56:276:57
512.56:266:58
612.66:246:59
712.66:237:00
812.76:217:01
912.76:207:01
1012.76:187:02
1112.86:177:03
1212.86:157:04
1312.96:147:05
1412.96:137:06
1512.96:117:07
1613.06:107:08
1713.06:087:09
1813.06:077:10
1913.16:067:11
2013.16:057:12
2113.26:037:13
2213.26:027:14
2313.26:017:15
2413.36:007:16
2513.35:587:17
2613.35:577:18
2713.45:567:19
2813.45:557:20
2913.55:547:21
3013.55:537:22
3113.55:527:23

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.42 kWh/m².

For context, solar energy here swings from a low near 2 kWh/m² to a high of 7.55 kWh/m² in December across the year — October's 5.42 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.9Bright
54.9Bright
65.0Bright
75.0Bright
85.0Bright
95.1Bright
105.2Bright
115.2Bright
125.3Bright
135.3Bright
145.4Bright
155.4Bright
165.5Bright
175.5Bright
185.6Bright
195.6Bright
205.7Bright
215.7Bright
225.8Bright
235.8Bright
245.8Bright
255.9Bright
265.9Bright
276.0Bright
286.0Intense
296.0Intense
306.1Intense
316.1Intense
Planning a trip in October

Is October a good time to visit Ayacucho?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.3
Sightseeing
7th-best month of the year
3.0
Beach & pool
7th-best month of the year

October is a reasonable time to visit Ayacucho for sightseeing.

What to pack for Ayacucho in October

From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In October, Ayacucho sees daytime highs around 20°C and nights near 9°C. Worth packing: rain gear and sun protection. About 10 days see rain.

rain gearsun protection

UV index in Ayacucho in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ayacucho peaks around January 1 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 1UV 12Jun 20UV 2
UV index (midday)Level
Jan12Extreme
Feb11Extreme
Mar9Very high
Apr6High
May3Moderate
Jun2Moderate
Jul3Moderate
Aug3Moderate
Sep5Moderate
Oct7Very high
Nov10Extreme
Dec12Extreme
Location & terrain

Where is Ayacucho?

Ayacucho sits at 37.2°S, 58.5°W, 76 m above sea level, in Argentina. The nearest listed city is Tandil, 61 km away.

Topography around Ayacucho

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ayacucho.

Within 3 km, the terrain around Ayacucho has only modest variations in elevation — a maximum elevation change of 29 m around an average of 77 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 70 m; within 80 km, significant variations in elevation — a maximum elevation change of 481 m.

The land around Ayacucho is covered by grassland (67%) within 3 km, grassland (74%) and cropland (24%) within 16 km, and grassland (64%) and cropland (35%) within 80 km.

3 km
29 m
16 km
70 m
80 km
481 m
treesgrasslandcroplandartificial surfaces
October weather nearby: Tandil 61 km · Balcarce 80 km · Santa Clara del Mar 115 km · Dolores 118 km · General Juan Madariaga 121 km · Mar del Plata 125 km · Azul 129 km · Benito Juárez 130 km

Argentina travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / I
220 V · 50 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$14,898
2025
Happiness
6.4 / 10
World Happiness, 2025
Homicide rate
4.5
per 100k, 2023
Road deaths
14.1
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
High
EF EPI 575
Religion
Roman Catholic 63%none 19%Evangelical 15%Jehovah's Witness and Church of Jesus Christ 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Ayacucho (-37.1528°, -58.4884°, elevation 76 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).