Santa María weather in May

In May, Santa María sees average daytime highs of 19°C and overnight lows near 4°C, with 4 mm of precipitation across 1 wet days and about 10.7 hours of daylight. It is the 9th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 19°C in the first days to 18°C by the end. The sky is clear or mostly clear about 79% of the time in May, and the air most often feels dry.

Daylight stretches from about 11 hours at the start of May to 10 h 30 min by month's end. Set against the rest of the year, May is Santa María's 5th-clearest and 9th-windiest month. For the whole year in context, see Santa María's year-round climate.

Daytime high: 19°; 9th warmest
Overnight low: 4°; 4th coldest
Precipitation: 4 mm; 1 wet days
Daylight: 10 h 42 min; 8:00 AM – 6:41 PM
Cloud cover: 24%; 5th clearest
Wind: 6 km/h; 9th windiest
Solar energy: 4.6 kWh/m²
Travel score: 7.9; out of 10

Santa María is human settlement in Catamarca province, Argentina.

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

← April Santa María 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 19°C in the first days to 18°C by the end.

A typical May day in Santa María reaches about 19°C in the afternoon and slips back to 4°C overnight — a 15°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 23°C. Set against its neighbours, May runs about 2°C cooler than April and about 1°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)	20	20	19	19	19	19	19	19	19	19	19	19	19	19	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18
Avg low (°C)	6	6	5	5	5	5	5	5	5	4	4	4	4	4	4	4	3	3	3	3	3	3	3	3	2	2	2	2	2	2	2

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

How May really feels in Santa María

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 2 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

The story in May is cold — wind chill drags the overnight "feels like" below the raw low.

Santa María weather by month

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

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	23° / 12°	68	11.6	13.5	6.5
Feb	22° / 11°	44	8.8	12.9	6.8
Mar	22° / 10°	30	6.3	12.2	7.5
Apr	21° / 7°	11	2.5	11.4	8.1
May	19° / 4°	4	1	10.7	7.9
Jun	17° / 1°	2	0.6	10.4	7.5
Jul	17° / -0°	2	0.6	10.5	7.2
Aug	18° / 1°	3	1	11.1	8.0
Sep	20° / 4°	5	1.3	11.8	8.2
Oct	21° / 8°	11	2.8	12.6	8.1
Nov	22° / 10°	18	4.5	13.3	7.8
Dec	23° / 11°	32	7.4	13.6	7.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 79% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 10% of May, with mostly cloudy or overcast conditions the remaining 11%.

	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 (%)	88	88	88	88	88	88	89	89	89	89	90	90	90	90	90	91	90	90	90	90	89	89	88	88	88	88	88	88	88	88	88
Cloudier (%)	12	12	12	12	12	12	11	11	11	11	10	10	10	10	10	9	10	10	10	10	11	11	12	12	12	12	12	12	12	12	12

	Clearer (%)	Cloudier (%)
1	88	12
2	88	12
3	88	12
4	88	12
5	88	12
6	88	12
7	89	11
8	89	11
9	89	11
10	89	11
11	90	10
12	90	10
13	90	10
14	90	10
15	90	10
16	91	9
17	90	10
18	90	10
19	90	10
20	90	10
21	89	11
22	89	11
23	88	12
24	88	12
25	88	12
26	88	12
27	88	12
28	88	12
29	88	12
30	88	12
31	88	12

Chance of precipitation in May

Any precipitation

Santa María gets around 4 mm of rain and snow over 1 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 3% and peaks near 4% on the wettest days, and about 0 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 (%)	4	4	4	4	4	4	4	4	4	4	4	4	4	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	2	2	2

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

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 6 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	6
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	6	calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 hours at the start of May to 10 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over May. Sunrise moves from 7:51 AM to 8:08 AM, and sunset from 6:52 PM to 6:35 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)	11.0	11.0	11.0	10.9	10.9	10.9	10.9	10.8	10.8	10.8	10.8	10.8	10.7	10.7	10.7	10.7	10.7	10.7	10.6	10.6	10.6	10.6	10.6	10.6	10.5	10.5	10.5	10.5	10.5	10.5	10.5
Sunrise (AM)	7:51	7:52	7:52	7:53	7:53	7:54	7:55	7:55	7:56	7:56	7:57	7:57	7:58	7:59	7:59	8:00	8:00	8:01	8:01	8:02	8:02	8:03	8:04	8:04	8:05	8:05	8:06	8:06	8:07	8:07	8:08
Sunset (PM)	6:52	6:51	6:50	6:49	6:48	6:48	6:47	6:46	6:45	6:45	6:44	6:44	6:43	6:42	6:42	6:41	6:41	6:40	6:40	6:39	6:39	6:38	6:38	6:38	6:37	6:37	6:36	6:36	6:36	6:36	6:35

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.0	7:51	6:52
2	11.0	7:52	6:51
3	11.0	7:52	6:50
4	10.9	7:53	6:49
5	10.9	7:53	6:48
6	10.9	7:54	6:48
7	10.9	7:55	6:47
8	10.8	7:55	6:46
9	10.8	7:56	6:45
10	10.8	7:56	6:45
11	10.8	7:57	6:44
12	10.8	7:57	6:44
13	10.7	7:58	6:43
14	10.7	7:59	6:42
15	10.7	7:59	6:42
16	10.7	8:00	6:41
17	10.7	8:00	6:41
18	10.7	8:01	6:40
19	10.6	8:01	6:40
20	10.6	8:02	6:39
21	10.6	8:02	6:39
22	10.6	8:03	6:38
23	10.6	8:04	6:38
24	10.6	8:04	6:38
25	10.5	8:05	6:37
26	10.5	8:05	6:37
27	10.5	8:06	6:36
28	10.5	8:06	6:36
29	10.5	8:07	6:36
30	10.5	8:07	6:36
31	10.5	8:08	6:35

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.6 kWh/m².

For context, solar energy here swings from a low near 4.33 kWh/m² to a high of 7.25 kWh/m² in November across the year — May's 4.6 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)	4.9	4.9	4.8	4.8	4.8	4.8	4.8	4.7	4.7	4.7	4.7	4.7	4.7	4.6	4.6	4.6	4.6	4.6	4.6	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.4	4.4	4.4	4.4	4.4
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	4.9	Bright
2	4.9	Bright
3	4.8	Bright
4	4.8	Bright
5	4.8	Bright
6	4.8	Bright
7	4.8	Bright
8	4.7	Bright
9	4.7	Bright
10	4.7	Bright
11	4.7	Bright
12	4.7	Bright
13	4.7	Bright
14	4.6	Bright
15	4.6	Bright
16	4.6	Bright
17	4.6	Bright
18	4.6	Bright
19	4.6	Bright
20	4.5	Bright
21	4.5	Bright
22	4.5	Bright
23	4.5	Bright
24	4.5	Bright
25	4.5	Bright
26	4.5	Bright
27	4.4	Bright
28	4.4	Bright
29	4.4	Bright
30	4.4	Bright
31	4.4	Bright

Planning a trip in May

Is May a good time to visit Santa María?

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

7.9

Sightseeing

5th-best month of the year

3.0

Beach & pool

9th-best month of the year

May is one of the better times to visit Santa María for general sightseeing.

What to pack for Santa María in May

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

In May, Santa María sees daytime highs around 19°C and nights near 4°C. Worth packing: a warm layer and sun protection.

a warm layersun protection

UV index in Santa María in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Santa María peaks around January 17 at about 17 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 5 (high).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	17	16	14	9	7	6	5	8	11	15	15	16
Level	Extreme	Extreme	Extreme	Very high	High	High	High	Very high	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	17	Extreme
Feb	16	Extreme
Mar	14	Extreme
Apr	9	Very high
May	7	High
Jun	6	High
Jul	5	High
Aug	8	Very high
Sep	11	Extreme
Oct	15	Extreme
Nov	15	Extreme
Dec	16	Extreme

Location & terrain

Where is Santa María?

Santa María sits at 26.7°S, 66.0°W, 1,877 m above sea level, in Argentina. The nearest listed city is Cafayate, 69 km away.

Topography around Santa María

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

Within 3 km, the terrain around Santa María has only modest variations in elevation — a maximum elevation change of 142 m around an average of 1,895 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,775 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,170 m.

The land around Santa María is covered by bare terrain (46%) within 3 km, grassland (33%), bare terrain (33%) and shrubs (30%) within 16 km, and grassland (39%), bare terrain (30%) and trees (22%) within 80 km.

3 km

142 m

bare terrain 46%

16 km

1,775 m

grassland 33%

80 km

5,170 m

grassland 39%

treesshrubsgrasslandcroplandartificial surfacesbare terrain

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

May weather nearby: Cafayate 69 km · Famaillá 76 km · Monteros 76 km · Yerba Buena 76 km · Tafí Viejo 78 km · Bella Vista 83 km · San Miguel de Tucuman 84 km · Alderetes 91 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 Santa María (-26.6946°, -66.0481°, elevation 1,877 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	20	6
2	20	6
3	19	5
4	19	5
5	19	5
6	19	5
7	19	5
8	19	5
9	19	5
10	19	4
11	19	4
12	19	4
13	19	4
14	19	4
15	18	4
16	18	4
17	18	3
18	18	3
19	18	3
20	18	3
21	18	3
22	18	3
23	18	3
24	18	3
25	18	2
26	18	2
27	18	2
28	18	2
29	18	2
30	18	2
31	18	2

	Clearer (%)	Cloudier (%)
1	88	12
2	88	12
3	88	12
4	88	12
5	88	12
6	88	12
7	89	11
8	89	11
9	89	11
10	89	11
11	90	10
12	90	10
13	90	10
14	90	10
15	90	10
16	91	9
17	90	10
18	90	10
19	90	10
20	90	10
21	89	11
22	89	11
23	88	12
24	88	12
25	88	12
26	88	12
27	88	12
28	88	12
29	88	12
30	88	12
31	88	12

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

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

	Clearer (%)	Cloudier (%)
1	88	12
2	88	12
3	88	12
4	88	12
5	88	12
6	88	12
7	89	11
8	89	11
9	89	11
10	89	11
11	90	10
12	90	10
13	90	10
14	90	10
15	90	10
16	91	9
17	90	10
18	90	10
19	90	10
20	90	10
21	89	11
22	89	11
23	88	12
24	88	12
25	88	12
26	88	12
27	88	12
28	88	12
29	88	12
30	88	12
31	88	12

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

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

	Clearer (%)	Cloudier (%)
1	88	12
2	88	12
3	88	12
4	88	12
5	88	12
6	88	12
7	89	11
8	89	11
9	89	11
10	89	11
11	90	10
12	90	10
13	90	10
14	90	10
15	90	10
16	91	9
17	90	10
18	90	10
19	90	10
20	90	10
21	89	11
22	89	11
23	88	12
24	88	12
25	88	12
26	88	12
27	88	12
28	88	12
29	88	12
30	88	12
31	88	12

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

	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