San Miguel de Tucuman weather in May

In May, San Miguel de Tucuman sees average daytime highs of 19°C and overnight lows near 11°C, with 133 mm of rain across 13.5 wet days and about 10.7 hours of daylight. It is the 10th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 18°C by the end. The sky is clear or mostly clear about 35% 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 San Miguel de Tucuman's 6th-clearest and 11th-windiest month. For the whole year in context, see San Miguel de Tucuman's year-round climate.

Daytime high
19°
10th warmest
Overnight low
11°
4th coldest
Rainfall
133 mm
13.5 wet days
Daylight
10 h 42 min
7:57 AM – 6:38 PM
Cloud cover
57%
6th clearest
Wind
4 km/h
11th windiest
Solar energy
3.09 kWh/m²
Travel score
5.8
out of 10

San Miguel de Tucuman is capital of the Tucumán Province, located in northern Argentina.

Density
6,076/km²
people per km²
Founded
1565

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

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

A typical May day in San Miguel de Tucuman reaches about 19°C in the afternoon and slips back to 11°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 25°C. Set against its neighbours, May runs about 3°C cooler than April and about 2°C warmer than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12113
22112
32112
42112
52112
62112
72012
82012
92012
102012
112011
122011
132011
142011
151911
161911
171911
181910
191910
201910
211910
221910
231910
24199
25189
26189
27189
28189
29189
30189
31189

San Miguel de Tucuman weather by month

How May compares with the rest of the year at a glance. May is the 10th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 19°32319.813.54.8
Feb27° / 18°26518.212.95.0
Mar25° / 17°27019.812.25.2
Apr22° / 14°18915.511.45.8
May19° / 11°13313.510.75.8
Jun17° / 749.810.35.8
Jul18° / 507.610.56.4
Aug21° / 466.811.17.4
Sep23° / 11°818.711.87.4
Oct25° / 14°16914.512.66.3
Nov27° / 16°20615.613.35.7
Dec28° / 18°2491813.75.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% 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 52%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24852
34753
44852
54753
64852
74753
84654
94753
104654
114654
124555
134555
144654
154654
164555
174555
184753
194753
204753
214852
224852
234852
244951
255050
265149
275149
285149
295248
305347
315347

Chance of precipitation in May

Any precipitation

San Miguel de Tucuman gets around 133 mm of rain over 13.5 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 44% and peaks near 47% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
146
246
346
446
546
646
747
847
947
1047
1147
1247
1346
1446
1546
1645
1745
1844
1943
2042
2142
2241
2341
2440
2540
2640
2739
2839
2939
3039
3138

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 64% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14231225
24431215
34531204
44631194
54831183
64932173
75032162
85232142
95332132
105532121
115632111
125732101
13593191
14613180
15623080
16642970
17662860
18672760
19692650
20712450
21722350
22752140
23762040
24771940
25801730
26811630
27821530
28821530
29841420
30851320
31861220

Wind in May

Winds average 4 km/h in May.

Across May, daily wind ranges from about 4 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
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

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 7:48 AM to 8:05 AM, and sunset from 6:48 PM to 6:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.07:486:48
211.07:496:47
311.07:496:46
410.97:506:46
510.97:506:45
610.97:516:44
710.97:516:43
810.87:526:43
910.87:536:42
1010.87:536:41
1110.87:546:41
1210.87:546:40
1310.77:556:39
1410.77:556:39
1510.77:566:38
1610.77:576:38
1710.77:576:37
1810.67:586:37
1910.67:586:36
2010.67:596:36
2110.67:596:35
2210.68:006:35
2310.68:006:34
2410.58:016:34
2510.58:026:34
2610.58:026:33
2710.58:036:33
2810.58:036:33
2910.58:046:32
3010.58:046:32
3110.58:056:32

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.09 kWh/m².

For context, solar energy here swings from a low near 3.06 kWh/m² to a high of 6.1 kWh/m² in December across the year — May's 3.09 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.3Moderate
23.3Moderate
33.3Moderate
43.3Moderate
53.2Moderate
63.2Moderate
73.2Moderate
83.2Moderate
93.2Moderate
103.1Moderate
113.1Moderate
123.1Moderate
133.1Moderate
143.1Moderate
153.1Moderate
163.1Moderate
173.0Moderate
183.0Moderate
193.0Moderate
203.0Moderate
213.0Moderate
223.0Moderate
233.0Moderate
243.0Moderate
253.0Moderate
263.0Moderate
273.0Moderate
283.0Moderate
293.0Moderate
303.0Moderate
313.0Moderate
Planning a trip in May

Hazard calendar for San Miguel de Tucuman

In seasonPeak

None of San Miguel de Tucuman's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

San Miguel de Tucuman's rainy season runs October–April, when most of the year's rain falls.

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

Is May a good time to visit San Miguel de Tucuman?

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

5.8
Sightseeing
5th-best month of the year
2.7
Beach & pool
10th-best month of the year

May is a reasonable time to visit San Miguel de Tucuman for sightseeing.

What to pack for San Miguel de Tucuman in May

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

In May, San Miguel de Tucuman sees daytime highs around 19°C and nights near 11°C. Worth packing: rain gear. About 14 days see rain.

rain gear

UV index in San Miguel de Tucuman in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in San Miguel de Tucuman peaks around January 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 16UV 14Jul 10UV 4
UV index (midday)Level
Jan15Extreme
Feb13Extreme
Mar12Extreme
Apr7Very high
May6High
Jun4Moderate
Jul4Moderate
Aug6High
Sep8Very high
Oct12Extreme
Nov13Extreme
Dec13Extreme

Air quality in San Miguel de Tucuman in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in San Miguel de Tucuman is worst in August — around 37 µg/m³ PM2.5 (poor), about 3.8× the cleanest month (May, 10 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModeratePoorModerateGoodAug 2437 µg/m³May 1010 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb12Moderate
Mar11Good
Apr10Good
May10Good
Jun12Good
Jul22Moderate
Aug37Poor
Sep36Poor
Oct22Moderate
Nov13Moderate
Dec11Good
Location & terrain

Where is San Miguel de Tucuman?

San Miguel de Tucuman sits at 26.8°S, 65.2°W, 440 m above sea level, in Argentina. The nearest listed city is Alderetes, 7.0 km away.

Topography around San Miguel de Tucuman

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Miguel de Tucuman.

Within 3 km, the terrain around San Miguel de Tucuman has only modest variations in elevation — a maximum elevation change of 67 m around an average of 450 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,103 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,714 m.

The land around San Miguel de Tucuman is covered by artificial surfaces (85%) within 3 km, trees (35%) and cropland (34%) within 16 km, and cropland (39%) and trees (38%) within 80 km.

3 km
67 m
16 km
1,103 m
80 km
4,714 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Alderetes 7.0 km · Yerba Buena 8.0 km · Tafí Viejo 10 km · Bella Vista 26 km · Famaillá 33 km · Monteros 48 km · Aguilares 79 km · Termas de Río Hondo 83 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 San Miguel de Tucuman (-26.816°, -65.2105°, elevation 440 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).