Ayacucho weather in December

In December, Ayacucho sees average daytime highs of 17°C and overnight lows near 7°C, with 151 mm of rain across 25.4 wet days and about 12.8 hours of daylight. It is the 2nd-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 17°C through the month. The sky is clear or mostly clear about 2% of the time in December, and the air most often feels dry.

Daylight stretches from about 12 h 42 min at the start of December to 12 h 48 min by month's end. Set against the rest of the year, December is Ayacucho's 10th-clearest and 9th-windiest month. For the whole year in context, see Ayacucho's year-round climate.

Daytime high
17°
2nd warmest
Overnight low
10th coldest
Rainfall
151 mm
25.4 wet days
Daylight
12 h 48 min
5:30 AM – 6:16 PM
Cloud cover
87%
10th clearest
Wind
5 km/h
9th windiest
Solar energy
6.33 kWh/m²
Travel score
3.2
out of 10

Ayacucho is capital city of Ayacucho, Peru.

Founded
1540

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 17°C through the month.

A typical December day in Ayacucho reaches about 17°C in the afternoon and slips back to 7°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 19°C. Set against its neighbours, December runs on par with November and on par with January.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1177
2177
3177
4177
5177
6177
7177
8177
9177
10177
11177
12177
13177
14177
15177
16177
17167
18167
19167
20167
21167
22167
23167
24167
25167
26167
27167
28167
29167
30167
31167

How December really feels in Ayacucho

Once humidity and wind are folded in, December 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

December 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 December compares with the rest of the year at a glance. December is the 2nd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan16° / 18327.512.72.8
Feb16° / 17725.812.42.7
Mar16° / 14927.612.12.8
Apr16° / 601711.73.8
May15° / 247.811.45.0
Jun15° / 15411.25.1
Jul14° / 195.111.35.0
Aug15° / 276.711.65.0
Sep16° / 4212.511.94.6
Oct17° / 7520.112.34.0
Nov17° / 9020.512.63.9
Dec17° / 15125.412.83.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 5% of December, with mostly cloudy or overcast conditions the remaining 93%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1793
2793
3793
4793
5793
6793
7793
8793
9793
10793
11793
12793
13793
14793
15793
16793
17793
18793
19694
20694
21595
22595
23595
24595
25595
26595
27595
28595
29595
30694
31694

Chance of precipitation in December

Any precipitation

Ayacucho gets around 151 mm of rain over 25.4 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 81% and peaks near 85% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
175
276
376
477
577
677
778
878
979
1079
1180
1280
1380
1481
1581
1682
1782
1883
1984
2084
2185
2285
2385
2485
2585
2685
2785
2885
2985
3085
3185

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in December

Winds average 5 km/h in December.

Across December, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 42 min at the start of December to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over December. Sunrise moves from 5:25 AM to 5:37 AM, and sunset from 6:08 PM to 6:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:256:08
212.75:256:09
312.75:266:09
412.75:266:10
512.75:266:10
612.75:266:11
712.75:276:11
812.85:276:12
912.85:276:13
1012.85:286:13
1112.85:286:14
1212.85:286:14
1312.85:296:15
1412.85:296:15
1512.85:306:16
1612.85:306:16
1712.85:306:17
1812.85:316:17
1912.85:316:18
2012.85:326:18
2112.85:326:19
2212.85:336:19
2312.85:336:20
2412.85:346:20
2512.85:346:21
2612.85:356:21
2712.85:356:21
2812.85:366:22
2912.85:366:22
3012.85:376:23
3112.85:376:23

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.33 kWh/m².

For context, solar energy here swings from a low near 4.86 kWh/m² to a high of 6.75 kWh/m² in November across the year — December's 6.33 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.6Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.5Intense
86.5Intense
96.5Intense
106.5Intense
116.4Intense
126.4Intense
136.4Intense
146.4Intense
156.4Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.2Intense
316.2Intense
Planning a trip in December

Hazard calendar for Ayacucho

In seasonPeak

In December, Ayacucho sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Ayacucho's monsoon runs November–March, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Ayacucho?

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

3.2
Sightseeing
9th-best month of the year
Beach & pool
never really warm enough

December is a weaker month for outdoor sightseeing in Ayacucho.

What to pack for Ayacucho in December

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

In December, Ayacucho sees daytime highs around 17°C and nights near 7°C. Pack rain gear and sun protection. Worth having: a warm layer. About 25 days see rain.

rain gearsun protectiona warm layer

UV index in Ayacucho in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 17 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ayacucho peaks around February 10 at about 19 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 9 at about 10 (extreme).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 10UV 19Jul 9UV 10
UV index (midday)Level
Jan19Extreme
Feb19Extreme
Mar17Extreme
Apr15Extreme
May12Extreme
Jun10Extreme
Jul10Very high
Aug13Extreme
Sep14Extreme
Oct17Extreme
Nov17Extreme
Dec17Extreme
Location & terrain

Where is Ayacucho?

Ayacucho sits at 13.2°S, 74.2°W, 2,805 m above sea level, in Peru. The nearest listed city is Huanta, 26 km away.

AbancayChilcaHuancayoSanta AnaQuillabamba

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 large variations in elevation — a maximum elevation change of 740 m around an average of 2,853 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,901 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,580 m.

The land around Ayacucho is covered by artificial surfaces (63%) and grassland (23%) within 3 km, grassland (67%) within 16 km, and grassland (78%) within 80 km.

3 km
740 m
16 km
1,901 m
80 km
4,580 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
December weather nearby: Huanta 26 km · Huancavelica 91 km · Andahuaylas 106 km · Abancay 154 km · Chilca 161 km · Huancayo 162 km · Santa Ana 167 km · Quillabamba 169 km

Peru travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C
220 V · 60 Hz
Prices
≈ 51% of US
price level, 2025
GDP per capita
$9,684
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
49%
of population, 2024
Homicide rate
8.6
per 100k, 2021
Road deaths
13.6
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 519
Religion
Catholic 76%Evangelical Christian 16%no religion 5%other religions 3%

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 (-13.1638°, -74.2234°, elevation 2,805 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).