Ayacucho weather in May

In May, Ayacucho sees average daytime highs of 16°C and overnight lows near 7°C, with 45 mm of rain across 5.9 wet days and about 10 hours of daylight. It is the 9th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 18°C in the first days to 15°C by the end. The sky is clear or mostly clear about 31% of the time in May, and the air most often feels dry.

Daylight stretches from about 10 h 30 min at the start of May to 9 h 42 min by month's end. Set against the rest of the year, May is Ayacucho's 11th-clearest and 12th-windiest month. For the whole year in context, see Ayacucho's year-round climate.

Daytime high: 16°; 9th warmest
Overnight low: 7°; 5th coldest
Rainfall: 45 mm; 5.9 wet days
Daylight: 10 hours; 7:50 AM – 5:51 PM
Cloud cover: 60%; 11th clearest
Wind: 13 km/h; 12th windiest
Solar energy: 2.43 kWh/m²
Travel score: 5.7; 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.

← April Ayacucho year-round climate June →Best places to visit in May

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 18°C in the first days to 15°C by the end.

A typical May day in Ayacucho reaches about 16°C in the afternoon and slips back to 7°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 20°C. Set against its neighbours, May runs about 4°C cooler than April and about 3°C warmer than June.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	18	18	18	18	18	18	18	18	17	17	17	17	17	17	17	16	16	16	16	16	16	16	15	15	15	15	15	15	15	15	15
Avg low (°C)	9	8	8	8	8	8	8	8	8	8	8	8	7	7	7	7	7	7	7	7	7	7	7	6	6	6	6	6	6	6	6

	Avg high (°C)	Avg low (°C)
1	18	9
2	18	8
3	18	8
4	18	8
5	18	8
6	18	8
7	18	8
8	18	8
9	17	8
10	17	8
11	17	8
12	17	8
13	17	7
14	17	7
15	17	7
16	16	7
17	16	7
18	16	7
19	16	7
20	16	7
21	16	7
22	16	7
23	15	7
24	15	6
25	15	6
26	15	6
27	15	6
28	15	6
29	15	6
30	15	6
31	15	6

How May really feels in Ayacucho

Once humidity and wind are folded in, May 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

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

May 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 May compares with the rest of the year at a glance. May is the 9th-warmest and 11th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	27° / 15°	83	8.7	14.3	6.9
Feb	26° / 15°	73	8.1	13.4	7.0
Mar	24° / 13°	76	8.2	12.3	7.3
Apr	20° / 10°	80	7.3	11.1	6.8
May	16° / 7°	45	5.9	10	5.7
Jun	13° / 4°	48	4.9	9.5	4.2
Jul	13° / 4°	44	5.5	9.7	3.7
Aug	15° / 5°	54	5.5	10.6	4.9
Sep	17° / 6°	61	6.8	11.7	5.6
Oct	20° / 9°	84	9.6	13	6.3
Nov	23° / 11°	87	9.4	14	7.0
Dec	26° / 13°	73	8.7	14.5	7.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 56%. Skies tend to cloud over as the month goes on.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	51	51	50	49	48	48	48	46	46	46	45	45	45	43	43	42	42	41	42	41	41	41	40	41	41	40	40	41	41	41	42
Cloudier (%)	49	49	50	51	52	52	52	54	54	54	55	55	55	57	57	58	58	59	58	59	59	59	60	59	59	60	60	59	59	59	58

	Clearer (%)	Cloudier (%)
1	51	49
2	51	49
3	50	50
4	49	51
5	48	52
6	48	52
7	48	52
8	46	54
9	46	54
10	46	54
11	45	55
12	45	55
13	45	55
14	43	57
15	43	57
16	42	58
17	42	58
18	41	59
19	42	58
20	41	59
21	41	59
22	41	59
23	40	60
24	41	59
25	41	59
26	40	60
27	40	60
28	41	59
29	41	59
30	41	59
31	42	58

Chance of precipitation in May

Any precipitation

Ayacucho gets around 45 mm of rain over 5.9 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 19% and peaks near 20% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	20	20	20	19	19	19	18	18	18	18	18	18	19	19	19	20	20	20	20	20	20	20	20	20	19	18	18	17	16	15	15

	Rain chance (%)
1	20
2	20
3	20
4	19
5	19
6	19
7	18
8	18
9	18
10	18
11	18
12	18
13	19
14	19
15	19
16	20
17	20
18	20
19	20
20	20
21	20
22	20
23	20
24	20
25	19
26	18
27	18
28	17
29	16
30	15
31	15

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 87% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	81	81	81	81	83	83	83	84	84	85	85	85	85	86	86	86	87	87	87	88	88	89	89	90	91	92	92	93	93	95	95
Comfortable (%)	15	15	15	15	14	14	14	13	13	12	12	12	12	11	11	11	10	10	10	9	9	8	8	7	7	6	6	5	5	4	4
Humid (%)	4	4	4	4	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	2	2	2	2	2	1	1

	Dry (%)	Comfortable (%)	Humid (%)
1	81	15	4
2	81	15	4
3	81	15	4
4	81	15	4
5	83	14	3
6	83	14	3
7	83	14	3
8	84	13	3
9	84	13	3
10	85	12	3
11	85	12	3
12	85	12	3
13	85	12	3
14	86	11	3
15	86	11	3
16	86	11	3
17	87	10	3
18	87	10	3
19	87	10	3
20	88	9	3
21	88	9	3
22	89	8	3
23	89	8	3
24	90	7	3
25	91	7	2
26	92	6	2
27	92	6	2
28	93	5	2
29	93	5	2
30	95	4	1
31	95	4	1

Wind in May

Winds average 13 km/h in May, the calmest month.

Across May, daily wind ranges from about 13 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

	Wind speed (km/h)	Feels
1	13	light breeze
2	13	light breeze
3	13	light breeze
4	13	light breeze
5	13	light breeze
6	13	light breeze
7	13	light breeze
8	13	light breeze
9	13	light breeze
10	13	light breeze
11	13	light breeze
12	13	light breeze
13	13	light breeze
14	13	light breeze
15	13	light breeze
16	13	light breeze
17	13	light breeze
18	13	light breeze
19	13	light breeze
20	13	light breeze
21	13	light breeze
22	13	light breeze
23	13	light breeze
24	13	light breeze
25	13	light breeze
26	13	light breeze
27	13	light breeze
28	13	light breeze
29	13	light breeze
30	13	light breeze
31	13	light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 10 h 30 min at the start of May to 9 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over May. Sunrise moves from 7:36 AM to 8:02 AM, and sunset from 6:06 PM to 5:41 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	10.5	10.5	10.4	10.4	10.4	10.3	10.3	10.3	10.2	10.2	10.2	10.1	10.1	10.1	10.0	10.0	10.0	10.0	9.9	9.9	9.9	9.9	9.8	9.8	9.8	9.8	9.7	9.7	9.7	9.7	9.7
Sunrise (AM)	7:36	7:37	7:38	7:39	7:40	7:41	7:42	7:43	7:44	7:44	7:45	7:46	7:47	7:48	7:49	7:50	7:51	7:51	7:52	7:53	7:54	7:55	7:56	7:56	7:57	7:58	7:59	7:59	8:00	8:01	8:02
Sunset (PM)	6:06	6:05	6:04	6:02	6:01	6:00	5:59	5:58	5:57	5:56	5:55	5:54	5:53	5:52	5:52	5:51	5:50	5:49	5:48	5:48	5:47	5:46	5:45	5:45	5:44	5:44	5:43	5:43	5:42	5:42	5:41

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	10.5	7:36	6:06
2	10.5	7:37	6:05
3	10.4	7:38	6:04
4	10.4	7:39	6:02
5	10.4	7:40	6:01
6	10.3	7:41	6:00
7	10.3	7:42	5:59
8	10.3	7:43	5:58
9	10.2	7:44	5:57
10	10.2	7:44	5:56
11	10.2	7:45	5:55
12	10.1	7:46	5:54
13	10.1	7:47	5:53
14	10.1	7:48	5:52
15	10.0	7:49	5:52
16	10.0	7:50	5:51
17	10.0	7:51	5:50
18	10.0	7:51	5:49
19	9.9	7:52	5:48
20	9.9	7:53	5:48
21	9.9	7:54	5:47
22	9.9	7:55	5:46
23	9.8	7:56	5:45
24	9.8	7:56	5:45
25	9.8	7:57	5:44
26	9.8	7:58	5:44
27	9.7	7:59	5:43
28	9.7	7:59	5:43
29	9.7	8:00	5:42
30	9.7	8:01	5:42
31	9.7	8:02	5:41

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 2.43 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 — May's 2.43 kWh/m² sits near the bottom.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	2.9	2.9	2.9	2.8	2.8	2.8	2.7	2.7	2.7	2.6	2.6	2.6	2.5	2.5	2.5	2.4	2.4	2.4	2.3	2.3	2.3	2.3	2.2	2.2	2.2	2.2	2.2	2.1	2.1	2.1	2.1
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	2.9	Moderate
2	2.9	Moderate
3	2.9	Moderate
4	2.8	Moderate
5	2.8	Moderate
6	2.8	Moderate
7	2.7	Moderate
8	2.7	Moderate
9	2.7	Moderate
10	2.6	Moderate
11	2.6	Moderate
12	2.6	Moderate
13	2.5	Moderate
14	2.5	Moderate
15	2.5	Moderate
16	2.4	Moderate
17	2.4	Moderate
18	2.4	Moderate
19	2.3	Moderate
20	2.3	Moderate
21	2.3	Moderate
22	2.3	Moderate
23	2.2	Moderate
24	2.2	Moderate
25	2.2	Moderate
26	2.2	Moderate
27	2.2	Moderate
28	2.1	Moderate
29	2.1	Moderate
30	2.1	Moderate
31	2.1	Moderate

Planning a trip in May

Is May a good time to visit Ayacucho?

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

5.7

Sightseeing

8th-best month of the year

1.1

Beach & pool

9th-best month of the year

May is a reasonable time to visit Ayacucho for sightseeing.

What to pack for Ayacucho in May

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

In May, Ayacucho sees daytime highs around 16°C and nights near 7°C. Worth packing: a warm layer. About 6 days see rain.

a warm layer

UV index in Ayacucho in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 3 — 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	12	11	9	6	3	2	3	3	5	7	10	12
Level	Extreme	Extreme	Very high	High	Moderate	Moderate	Moderate	Moderate	Moderate	Very high	Extreme	Extreme

	UV index (midday)	Level
Jan	12	Extreme
Feb	11	Extreme
Mar	9	Very high
Apr	6	High
May	3	Moderate
Jun	2	Moderate
Jul	3	Moderate
Aug	3	Moderate
Sep	5	Moderate
Oct	7	Very high
Nov	10	Extreme
Dec	12	Extreme

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

grassland 67%

16 km

70 m

grassland 74%

80 km

481 m

grassland 64%

treesgrasslandcroplandartificial surfaces

← April Ayacucho year-round climate June →Best places to visit in May

May 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

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).

	Avg high (°C)	Avg low (°C)
1	18	9
2	18	8
3	18	8
4	18	8
5	18	8
6	18	8
7	18	8
8	18	8
9	17	8
10	17	8
11	17	8
12	17	8
13	17	7
14	17	7
15	17	7
16	16	7
17	16	7
18	16	7
19	16	7
20	16	7
21	16	7
22	16	7
23	15	7
24	15	6
25	15	6
26	15	6
27	15	6
28	15	6
29	15	6
30	15	6
31	15	6

	Clearer (%)	Cloudier (%)
1	51	49
2	51	49
3	50	50
4	49	51
5	48	52
6	48	52
7	48	52
8	46	54
9	46	54
10	46	54
11	45	55
12	45	55
13	45	55
14	43	57
15	43	57
16	42	58
17	42	58
18	41	59
19	42	58
20	41	59
21	41	59
22	41	59
23	40	60
24	41	59
25	41	59
26	40	60
27	40	60
28	41	59
29	41	59
30	41	59
31	42	58

	Rain chance (%)
1	20
2	20
3	20
4	19
5	19
6	19
7	18
8	18
9	18
10	18
11	18
12	18
13	19
14	19
15	19
16	20
17	20
18	20
19	20
20	20
21	20
22	20
23	20
24	20
25	19
26	18
27	18
28	17
29	16
30	15
31	15

	Dry (%)	Comfortable (%)	Humid (%)
1	81	15	4
2	81	15	4
3	81	15	4
4	81	15	4
5	83	14	3
6	83	14	3
7	83	14	3
8	84	13	3
9	84	13	3
10	85	12	3
11	85	12	3
12	85	12	3
13	85	12	3
14	86	11	3
15	86	11	3
16	86	11	3
17	87	10	3
18	87	10	3
19	87	10	3
20	88	9	3
21	88	9	3
22	89	8	3
23	89	8	3
24	90	7	3
25	91	7	2
26	92	6	2
27	92	6	2
28	93	5	2
29	93	5	2
30	95	4	1
31	95	4	1

	Avg high (°C)	Avg low (°C)
1	18	9
2	18	8
3	18	8
4	18	8
5	18	8
6	18	8
7	18	8
8	18	8
9	17	8
10	17	8
11	17	8
12	17	8
13	17	7
14	17	7
15	17	7
16	16	7
17	16	7
18	16	7
19	16	7
20	16	7
21	16	7
22	16	7
23	15	7
24	15	6
25	15	6
26	15	6
27	15	6
28	15	6
29	15	6
30	15	6
31	15	6

	Clearer (%)	Cloudier (%)
1	51	49
2	51	49
3	50	50
4	49	51
5	48	52
6	48	52
7	48	52
8	46	54
9	46	54
10	46	54
11	45	55
12	45	55
13	45	55
14	43	57
15	43	57
16	42	58
17	42	58
18	41	59
19	42	58
20	41	59
21	41	59
22	41	59
23	40	60
24	41	59
25	41	59
26	40	60
27	40	60
28	41	59
29	41	59
30	41	59
31	42	58

	Rain chance (%)
1	20
2	20
3	20
4	19
5	19
6	19
7	18
8	18
9	18
10	18
11	18
12	18
13	19
14	19
15	19
16	20
17	20
18	20
19	20
20	20
21	20
22	20
23	20
24	20
25	19
26	18
27	18
28	17
29	16
30	15
31	15

	Dry (%)	Comfortable (%)	Humid (%)
1	81	15	4
2	81	15	4
3	81	15	4
4	81	15	4
5	83	14	3
6	83	14	3
7	83	14	3
8	84	13	3
9	84	13	3
10	85	12	3
11	85	12	3
12	85	12	3
13	85	12	3
14	86	11	3
15	86	11	3
16	86	11	3
17	87	10	3
18	87	10	3
19	87	10	3
20	88	9	3
21	88	9	3
22	89	8	3
23	89	8	3
24	90	7	3
25	91	7	2
26	92	6	2
27	92	6	2
28	93	5	2
29	93	5	2
30	95	4	1
31	95	4	1

	Avg high (°C)	Avg low (°C)
1	18	9
2	18	8
3	18	8
4	18	8
5	18	8
6	18	8
7	18	8
8	18	8
9	17	8
10	17	8
11	17	8
12	17	8
13	17	7
14	17	7
15	17	7
16	16	7
17	16	7
18	16	7
19	16	7
20	16	7
21	16	7
22	16	7
23	15	7
24	15	6
25	15	6
26	15	6
27	15	6
28	15	6
29	15	6
30	15	6
31	15	6

	Clearer (%)	Cloudier (%)
1	51	49
2	51	49
3	50	50
4	49	51
5	48	52
6	48	52
7	48	52
8	46	54
9	46	54
10	46	54
11	45	55
12	45	55
13	45	55
14	43	57
15	43	57
16	42	58
17	42	58
18	41	59
19	42	58
20	41	59
21	41	59
22	41	59
23	40	60
24	41	59
25	41	59
26	40	60
27	40	60
28	41	59
29	41	59
30	41	59
31	42	58

	Rain chance (%)
1	20
2	20
3	20
4	19
5	19
6	19
7	18
8	18
9	18
10	18
11	18
12	18
13	19
14	19
15	19
16	20
17	20
18	20
19	20
20	20
21	20
22	20
23	20
24	20
25	19
26	18
27	18
28	17
29	16
30	15
31	15

	Dry (%)	Comfortable (%)	Humid (%)
1	81	15	4
2	81	15	4
3	81	15	4
4	81	15	4
5	83	14	3
6	83	14	3
7	83	14	3
8	84	13	3
9	84	13	3
10	85	12	3
11	85	12	3
12	85	12	3
13	85	12	3
14	86	11	3
15	86	11	3
16	86	11	3
17	87	10	3
18	87	10	3
19	87	10	3
20	88	9	3
21	88	9	3
22	89	8	3
23	89	8	3
24	90	7	3
25	91	7	2
26	92	6	2
27	92	6	2
28	93	5	2
29	93	5	2
30	95	4	1
31	95	4	1