Tunuyán weather in May

In May, Tunuyán sees average daytime highs of 15°C and overnight lows near 4°C, with 67 mm of precipitation across 10.5 wet days and about 10.3 hours of daylight. It is the 9th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 17°C in the first days to 13°C by the end. The sky is clear or mostly clear about 44% of the time in May, and the air most often feels dry.

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

Daytime high: 15°; 9th warmest
Overnight low: 4°; 4th coldest
Precipitation: 67 mm; 10.5 wet days
Daylight: 10 h 18 min; 8:24 AM – 6:40 PM
Cloud cover: 49%; 12th clearest
Wind: 6 km/h; 10th windiest
Solar energy: 3.19 kWh/m²
Travel score: 4.5; out of 10

Tunuyán is city in Mendoza, Argentina.

Founded: 1880

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

← April Tunuyán 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 17°C in the first days to 13°C by the end.

A typical May day in Tunuyán reaches about 15°C in the afternoon and slips back to 4°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 9°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)	17	17	17	17	16	16	16	16	16	16	15	15	15	15	15	15	14	14	14	14	14	14	14	13	13	13	13	13	13	13	13
Avg low (°C)	6	6	5	5	5	5	5	5	5	5	5	5	4	4	4	4	4	4	4	3	3	3	3	3	3	3	2	2	2	2	2

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

How May really feels in Tunuyán

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.

Tunuyán weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 8th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	28° / 15°	68	10.2	0	14	6.6
Feb	26° / 14°	68	10	0	13.2	6.8
Mar	24° / 12°	85	11.7	0	12.3	6.9
Apr	19° / 8°	80	11	0.1	11.2	6.3
May	15° / 4°	67	10.5	0.5	10.3	4.5
Jun	12° / 1°	54	7.9	1.4	9.8	3.3
Jul	11° / -0°	49	7.6	2.3	10	3.1
Aug	14° / 1°	56	7.8	1.9	10.8	4.4
Sep	17° / 4°	62	9.1	0.9	11.8	5.8
Oct	21° / 7°	83	10.4	0.1	12.8	6.9
Nov	24° / 10°	79	10.8	0	13.7	7.2
Dec	27° / 13°	75	9.9	0	14.2	6.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 40%.

	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 (%)	64	64	63	63	63	62	62	62	61	61	61	59	59	58	57	57	56	56	56	56	56	56	56	57	58	59	59	61	62	63	64
Cloudier (%)	36	36	37	37	37	38	38	38	39	39	39	41	41	42	43	43	44	44	44	44	44	44	44	43	42	41	41	39	38	37	36

	Clearer (%)	Cloudier (%)
1	64	36
2	64	36
3	63	37
4	63	37
5	63	37
6	62	38
7	62	38
8	62	38
9	61	39
10	61	39
11	61	39
12	59	41
13	59	41
14	58	42
15	57	43
16	57	43
17	56	44
18	56	44
19	56	44
20	56	44
21	56	44
22	56	44
23	56	44
24	57	43
25	58	42
26	59	41
27	59	41
28	61	39
29	62	38
30	63	37
31	64	36

Chance of precipitation in May

Any precipitationSnow

Tunuyán gets around 67 mm of rain and snow over 10.5 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 33% and peaks near 36% on the wettest days, and about 1 day brings snow.

	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 (%)	33	32	32	32	32	32	32	32	33	33	34	34	34	35	35	35	36	36	36	36	36	35	35	34	33	33	32	31	30	29	29
Snow chance (%)	1	1	1	1	1	0	0	0	0	0	0	0	0	1	1	1	1	1	2	2	2	2	3	3	3	3	3	3	3	3	3

	Rain chance (%)	Snow chance (%)
1	33	1
2	32	1
3	32	1
4	32	1
5	32	1
6	32	0
7	32	0
8	32	0
9	33	0
10	33	0
11	34	0
12	34	0
13	34	0
14	35	1
15	35	1
16	35	1
17	36	1
18	36	1
19	36	2
20	36	2
21	36	2
22	35	2
23	35	3
24	34	3
25	33	3
26	33	3
27	32	3
28	31	3
29	30	3
30	29	3
31	29	3

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 100% 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 (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 5 km/h on the calmest days to 6 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)	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	5
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

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

Sunrise & sunset in May

DaylightNight

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

Days shrink by about 42 minutes over May. Sunrise moves from 8:13 AM to 8:35 AM, and sunset from 6:54 PM to 6:32 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)	10.7	10.7	10.6	10.6	10.6	10.5	10.5	10.5	10.4	10.4	10.4	10.4	10.3	10.3	10.3	10.3	10.2	10.2	10.2	10.2	10.1	10.1	10.1	10.1	10.1	10.0	10.0	10.0	10.0	10.0	10.0
Sunrise (AM)	8:13	8:14	8:14	8:15	8:16	8:17	8:17	8:18	8:19	8:20	8:21	8:21	8:22	8:23	8:24	8:24	8:25	8:26	8:27	8:27	8:28	8:29	8:29	8:30	8:31	8:31	8:32	8:33	8:33	8:34	8:35
Sunset (PM)	6:54	6:53	6:52	6:51	6:50	6:49	6:48	6:47	6:46	6:45	6:44	6:43	6:43	6:42	6:41	6:40	6:40	6:39	6:38	6:38	6:37	6:36	6:36	6:35	6:35	6:34	6:34	6:33	6:33	6:33	6:32

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	10.7	8:13	6:54
2	10.7	8:14	6:53
3	10.6	8:14	6:52
4	10.6	8:15	6:51
5	10.6	8:16	6:50
6	10.5	8:17	6:49
7	10.5	8:17	6:48
8	10.5	8:18	6:47
9	10.4	8:19	6:46
10	10.4	8:20	6:45
11	10.4	8:21	6:44
12	10.4	8:21	6:43
13	10.3	8:22	6:43
14	10.3	8:23	6:42
15	10.3	8:24	6:41
16	10.3	8:24	6:40
17	10.2	8:25	6:40
18	10.2	8:26	6:39
19	10.2	8:27	6:38
20	10.2	8:27	6:38
21	10.1	8:28	6:37
22	10.1	8:29	6:36
23	10.1	8:29	6:36
24	10.1	8:30	6:35
25	10.1	8:31	6:35
26	10.0	8:31	6:34
27	10.0	8:32	6:34
28	10.0	8:33	6:33
29	10.0	8:33	6:33
30	10.0	8:34	6:33
31	10.0	8:35	6:32

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.19 kWh/m².

For context, solar energy here swings from a low near 2.83 kWh/m² to a high of 8.35 kWh/m² in December across the year — May's 3.19 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)	3.7	3.7	3.7	3.6	3.6	3.5	3.5	3.5	3.4	3.4	3.3	3.3	3.3	3.2	3.2	3.1	3.1	3.1	3.1	3.0	3.0	3.0	3.0	3.0	3.0	3.0	2.9	2.9	2.9	2.9	2.9
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	3.7	Moderate
2	3.7	Moderate
3	3.7	Moderate
4	3.6	Moderate
5	3.6	Moderate
6	3.5	Moderate
7	3.5	Moderate
8	3.5	Moderate
9	3.4	Moderate
10	3.4	Moderate
11	3.3	Moderate
12	3.3	Moderate
13	3.3	Moderate
14	3.2	Moderate
15	3.2	Moderate
16	3.1	Moderate
17	3.1	Moderate
18	3.1	Moderate
19	3.1	Moderate
20	3.0	Moderate
21	3.0	Moderate
22	3.0	Moderate
23	3.0	Moderate
24	3.0	Moderate
25	3.0	Moderate
26	3.0	Moderate
27	2.9	Moderate
28	2.9	Moderate
29	2.9	Moderate
30	2.9	Moderate
31	2.9	Moderate

Planning a trip in May

Is May a good time to visit Tunuyán?

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

4.5

Sightseeing

9th-best month of the year

0.3

Beach & pool

9th-best month of the year

May is a reasonable time to visit Tunuyán for sightseeing.

What to pack for Tunuyán in May

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

In May, Tunuyán sees daytime highs around 15°C and nights near 4°C. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

UV index in Tunuyán in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tunuyán peaks around January 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	15	14	11	6	5	3	4	6	6	10	12	13
Level	Extreme	Extreme	Extreme	High	High	Moderate	Moderate	High	High	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	15	Extreme
Feb	14	Extreme
Mar	11	Extreme
Apr	6	High
May	5	High
Jun	3	Moderate
Jul	4	Moderate
Aug	6	High
Sep	6	High
Oct	10	Extreme
Nov	12	Extreme
Dec	13	Extreme

Location & terrain

Where is Tunuyán?

Tunuyán sits at 33.6°S, 69.0°W, 864 m above sea level, in Argentina. The nearest listed city is Tupungato, 27 km away.

Topography around Tunuyán

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

Within 3 km, the terrain around Tunuyán has only modest variations in elevation — a maximum elevation change of 92 m around an average of 885 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 203 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,950 m.

The land around Tunuyán is covered by grassland (29%), shrubs (23%) and cropland (20%) within 3 km, shrubs (44%) and cropland (28%) within 16 km, and shrubs (44%), grassland (25%) and bare terrain (21%) within 80 km.

3 km

92 m

grassland 29%

16 km

203 m

shrubs 44%

80 km

5,950 m

shrubs 44%

treesshrubsgrasslandcroplandartificial surfacesbare terrainsnow and icewater

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

May weather nearby: Tupungato 27 km · Perdriel 58 km · Rivadavia 67 km · Rodeo del Medio 72 km · San Martín 75 km · Mendoza 79 km · San Rafael 131 km · Peñalolén 141 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 Tunuyán (-33.5812°, -69.0154°, elevation 864 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	17	6
2	17	6
3	17	5
4	17	5
5	16	5
6	16	5
7	16	5
8	16	5
9	16	5
10	16	5
11	15	5
12	15	5
13	15	4
14	15	4
15	15	4
16	15	4
17	14	4
18	14	4
19	14	4
20	14	3
21	14	3
22	14	3
23	14	3
24	13	3
25	13	3
26	13	3
27	13	2
28	13	2
29	13	2
30	13	2
31	13	2

	Clearer (%)	Cloudier (%)
1	64	36
2	64	36
3	63	37
4	63	37
5	63	37
6	62	38
7	62	38
8	62	38
9	61	39
10	61	39
11	61	39
12	59	41
13	59	41
14	58	42
15	57	43
16	57	43
17	56	44
18	56	44
19	56	44
20	56	44
21	56	44
22	56	44
23	56	44
24	57	43
25	58	42
26	59	41
27	59	41
28	61	39
29	62	38
30	63	37
31	64	36

	Rain chance (%)	Snow chance (%)
1	33	1
2	32	1
3	32	1
4	32	1
5	32	1
6	32	0
7	32	0
8	32	0
9	33	0
10	33	0
11	34	0
12	34	0
13	34	0
14	35	1
15	35	1
16	35	1
17	36	1
18	36	1
19	36	2
20	36	2
21	36	2
22	35	2
23	35	3
24	34	3
25	33	3
26	33	3
27	32	3
28	31	3
29	30	3
30	29	3
31	29	3

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

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

	Clearer (%)	Cloudier (%)
1	64	36
2	64	36
3	63	37
4	63	37
5	63	37
6	62	38
7	62	38
8	62	38
9	61	39
10	61	39
11	61	39
12	59	41
13	59	41
14	58	42
15	57	43
16	57	43
17	56	44
18	56	44
19	56	44
20	56	44
21	56	44
22	56	44
23	56	44
24	57	43
25	58	42
26	59	41
27	59	41
28	61	39
29	62	38
30	63	37
31	64	36

	Rain chance (%)	Snow chance (%)
1	33	1
2	32	1
3	32	1
4	32	1
5	32	1
6	32	0
7	32	0
8	32	0
9	33	0
10	33	0
11	34	0
12	34	0
13	34	0
14	35	1
15	35	1
16	35	1
17	36	1
18	36	1
19	36	2
20	36	2
21	36	2
22	35	2
23	35	3
24	34	3
25	33	3
26	33	3
27	32	3
28	31	3
29	30	3
30	29	3
31	29	3

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

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

	Clearer (%)	Cloudier (%)
1	64	36
2	64	36
3	63	37
4	63	37
5	63	37
6	62	38
7	62	38
8	62	38
9	61	39
10	61	39
11	61	39
12	59	41
13	59	41
14	58	42
15	57	43
16	57	43
17	56	44
18	56	44
19	56	44
20	56	44
21	56	44
22	56	44
23	56	44
24	57	43
25	58	42
26	59	41
27	59	41
28	61	39
29	62	38
30	63	37
31	64	36

	Rain chance (%)	Snow chance (%)
1	33	1
2	32	1
3	32	1
4	32	1
5	32	1
6	32	0
7	32	0
8	32	0
9	33	0
10	33	0
11	34	0
12	34	0
13	34	0
14	35	1
15	35	1
16	35	1
17	36	1
18	36	1
19	36	2
20	36	2
21	36	2
22	35	2
23	35	3
24	34	3
25	33	3
26	33	3
27	32	3
28	31	3
29	30	3
30	29	3
31	29	3

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100