Termas de Río Hondo weather in May

In May, Termas de Río Hondo sees average daytime highs of 23°C and overnight lows near 14°C, with 32 mm of rain across 6.2 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 24°C in the first days to 21°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 11 hours at the start of May to 10 h 24 min by month's end. Set against the rest of the year, May is Termas de Río Hondo's 6th-clearest and 8th-windiest month. For the whole year in context, see Termas de Río Hondo's year-round climate.

Daytime high
23°
10th warmest
Overnight low
14°
4th coldest
Rainfall
32 mm
6.2 wet days
Daylight
10 h 36 min
7:56 AM – 6:35 PM
Cloud cover
50%
6th clearest
Wind
9 km/h
8th windiest
Solar energy
2.99 kWh/m²
Travel score
7.5
out of 10

Termas de Río Hondo is city in Argentina.

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 24°C in the first days to 21°C by the end.

A typical May day in Termas de Río Hondo reaches about 23°C in the afternoon and slips back to 14°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 28°C. Set against its neighbours, May runs about 3°C cooler than April and about 3°C warmer than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12516
22415
32415
42415
52415
62415
72415
82415
92415
102414
112314
122314
132314
142314
152314
162314
172313
182313
192213
202213
212213
222213
232212
242212
252212
262212
272212
282112
292112
302111
312111

How May really feels in Termas de Río Hondo

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
0
heat index over the day's high
Days feeling ≤ C
0
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.

Termas de Río Hondo 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
Jan33° / 23°17313.413.53.5
Feb31° / 22°13711.7134.2
Mar29° / 20°13812.712.25.2
Apr26° / 17°751011.46.8
May23° / 14°326.210.77.5
Jun20° / 10°225.110.37.3
Jul21° / 133.110.48.0
Aug24° / 11°122.3118.6
Sep27° / 15°274.111.87.6
Oct30° / 18°668.412.75.4
Nov31° / 20°9010.313.44.3
Dec33° / 22°14012.713.73.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 44%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25644
35644
45644
55743
65644
75644
85644
95644
105644
115644
125644
135644
145644
155644
165644
175644
185644
195644
205644
215644
225644
235743
245743
255644
265743
275743
285743
295743
305743
315842

Chance of precipitation in May

Any precipitation

Termas de Río Hondo gets around 32 mm of rain over 6.2 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 21% and peaks near 25% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
125
224
324
424
524
623
723
823
923
1023
1123
1222
1322
1422
1522
1621
1721
1820
1920
2019
2119
2218
2318
2418
2517
2617
2717
2817
2918
3018
3118

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 59% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1402221171
2412220161
3422220151
4432220151
5452219140
6462219130
7472219110
8482319100
949231990
1051221980
1153221960
1254221950
1354221950
1456211940
1557211930
1659201830
1760191830
1862191720
1964181620
2065171620
2167161520
2268161420
2370151320
2471151220
2571151220
2672151120
2773151020
2873151020
297415920
307615810
317615810

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 hours at the start of May to 10 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over May. Sunrise moves from 7:48 AM to 8:05 AM, and sunset from 6:46 PM to 6:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.07:486:46
210.97:486:45
310.97:496:44
410.97:496:43
510.97:506:42
610.97:506:42
710.87:516:41
810.87:526:40
910.87:526:39
1010.87:536:39
1110.77:536:38
1210.77:546:37
1310.77:556:37
1410.77:556:36
1510.77:566:36
1610.67:566:35
1710.67:576:34
1810.67:576:34
1910.67:586:33
2010.67:596:33
2110.67:596:32
2210.58:006:32
2310.58:006:32
2410.58:016:31
2510.58:016:31
2610.58:026:30
2710.58:036:30
2810.48:036:30
2910.48:046:30
3010.48:046:29
3110.48:056:29

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 2.99 kWh/m².

For context, solar energy here swings from a low near 2.85 kWh/m² to a high of 6.18 kWh/m² in December across the year — May's 2.99 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.2Moderate
23.2Moderate
33.2Moderate
43.2Moderate
53.1Moderate
63.1Moderate
73.1Moderate
83.1Moderate
93.1Moderate
103.0Moderate
113.0Moderate
123.0Moderate
133.0Moderate
143.0Moderate
153.0Moderate
163.0Moderate
172.9Moderate
182.9Moderate
192.9Moderate
202.9Moderate
212.9Moderate
222.9Moderate
232.9Moderate
242.9Moderate
252.9Moderate
262.9Moderate
272.9Moderate
282.9Moderate
292.9Moderate
302.9Moderate
312.9Moderate
Planning a trip in May

Hazard calendar for Termas de Río Hondo

In seasonPeak

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

Termas de Río Hondo's rainy season runs November–March, 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 Termas de Río Hondo?

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

7.5
Sightseeing
4th-best month of the year
5.6
Beach & pool
10th-best month of the year

May is one of the better times to visit Termas de Río Hondo for general sightseeing.

What to pack for Termas de Río Hondo in May

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

In May, Termas de Río Hondo sees daytime highs around 23°C and nights near 14°C. Worth packing: light clothes. About 6 days see rain.

light clothes

UV index in Termas de Río Hondo 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 Termas de Río Hondo peaks around January 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeHighModerateHighVery highExtremeJan 17UV 14Jun 23UV 4
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar12Extreme
Apr7Very high
May6High
Jun4Moderate
Jul4Moderate
Aug6High
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is Termas de Río Hondo?

Termas de Río Hondo sits at 27.5°S, 64.9°W, 260 m above sea level, in Argentina. The nearest listed city is Bella Vista, 67 km away.

Topography around Termas de Río Hondo

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Termas de Río Hondo.

Within 3 km, the terrain around Termas de Río Hondo has only modest variations in elevation — a maximum elevation change of 47 m around an average of 264 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 119 m; within 80 km, significant variations in elevation — a maximum elevation change of 557 m.

The land around Termas de Río Hondo is covered by trees (40%) and artificial surfaces (28%) within 3 km, trees (32%) and shrubs (26%) within 16 km, and cropland (42%), trees (26%) and shrubs (23%) within 80 km.

3 km
47 m
16 km
119 m
80 km
557 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Bella Vista 67 km · Santiago del Estero 68 km · Famaillá 72 km · Monteros 73 km · Aguilares 75 km · Alderetes 80 km · San Miguel de Tucuman 83 km · Yerba Buena 87 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 Termas de Río Hondo (-27.4936°, -64.8597°, elevation 260 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).