Chilecito weather in May

In May, Chilecito sees average daytime highs of 17°C and overnight lows near 8°C, with 288 mm of precipitation across 18 wet days and about 10.6 hours of daylight. It is the 9th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 18°C in the first days to 16°C by the end. The sky is clear or mostly clear about 42% of the time in May, and the air most often feels dry.

Daylight stretches from about 10 h 54 min at the start of May to 10 h 18 min by month's end. Set against the rest of the year, May is Chilecito's 6th-clearest and 11th-windiest month. For the whole year in context, see Chilecito's year-round climate.

Daytime high
17°
9th warmest
Overnight low
4th coldest
Precipitation
288 mm
18 wet days
Daylight
10 h 30 min
8:10 AM – 6:43 PM
Cloud cover
50%
6th clearest
Wind
6 km/h
11th windiest
Solar energy
3.22 kWh/m²
Travel score
4.7
out of 10

Chilecito is town in La Rioja Province, Argentina.

Founded
1715

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 18°C in the first days to 16°C by the end.

A typical May day in Chilecito reaches about 17°C in the afternoon and slips back to 8°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 23°C. Set against its neighbours, May runs about 3°C cooler than April and about 1°C warmer than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1199
2199
3199
4189
5189
6189
7189
8189
9189
10188
11188
12188
13178
14178
15178
16178
17178
18177
19177
20177
21177
22177
23177
24177
25166
26166
27166
28166
29166
30166
31166

Chilecito 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan24° / 16°34824.4013.74.8
Feb23° / 15°31420.40135.0
Mar22° / 14°36723.2012.24.8
Apr20° / 11°32219.90.211.35.0
May17° / 28818110.64.7
Jun16° / 17112.51.610.24.9
Jul15° / 13310.63.110.34.8
Aug17° / 14010.72.9115.7
Sep18° / 22414.11.911.85.8
Oct21° / 11°31019.60.312.75.3
Nov22° / 14°33421.6013.55.0
Dec24° / 15°29922.5013.85.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% 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 44%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25644
35644
45644
55545
65545
75545
85446
95446
105347
115446
125347
135347
145347
155347
165446
175446
185446
195545
205545
215545
225644
235644
245743
255743
265842
275941
285941
296040
306139
316139

Chance of precipitation in May

Any precipitationSnow

Chilecito gets around 288 mm of rain and snow over 18 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 58% and peaks near 63% on the wettest days, and about 1 day brings snow. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1631
2621
3621
4621
5621
6611
7611
8612
9602
10602
11602
12602
13592
14592
15593
16583
17583
18583
19574
20574
21564
22565
23565
24565
25555
26555
27546
28546
29536
30536
31525

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1955
2955
3955
4964
5964
6973
7973
8973
9982
10982
11982
12991
13991
14991
15991
16991
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

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.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 10 h 54 min at the start of May to 10 h 18 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 8:00 AM to 8:19 AM, and sunset from 6:54 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.98:006:54
210.98:016:53
310.88:026:52
410.88:026:51
510.88:036:51
610.88:046:50
710.78:046:49
810.78:056:48
910.78:056:47
1010.78:066:47
1110.78:076:46
1210.68:076:45
1310.68:086:45
1410.68:096:44
1510.68:096:43
1610.58:106:43
1710.58:106:42
1810.58:116:41
1910.58:126:41
2010.58:126:40
2110.48:136:40
2210.48:146:39
2310.48:146:39
2410.48:156:38
2510.48:156:38
2610.48:166:38
2710.38:166:37
2810.38:176:37
2910.38:186:37
3010.38:186:36
3110.38:196:36

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.22 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.22 kWh/m² to a high of 6.34 kWh/m² in December across the year — May's 3.22 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.5Moderate
43.4Moderate
53.4Moderate
63.4Moderate
73.4Moderate
83.3Moderate
93.3Moderate
103.3Moderate
113.3Moderate
123.3Moderate
133.2Moderate
143.2Moderate
153.2Moderate
163.2Moderate
173.2Moderate
183.2Moderate
193.1Moderate
203.1Moderate
213.1Moderate
223.1Moderate
233.1Moderate
243.1Moderate
253.1Moderate
263.1Moderate
273.1Moderate
283.1Moderate
293.1Moderate
303.1Moderate
313.1Moderate
Planning a trip in May

Is May a good time to visit Chilecito?

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

4.7
Sightseeing
12th-best month of the year
1.3
Beach & pool
9th-best month of the year

May is a reasonable time to visit Chilecito for sightseeing.

What to pack for Chilecito in May

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

In May, Chilecito sees daytime highs around 17°C and nights near 8°C. Pack rain gear. Worth having: a warm layer. About 18 days see rain.

rain geara warm layer

UV index in Chilecito 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 Chilecito peaks around January 21 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 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 21UV 16Jun 22UV 4
UV index (midday)Level
Jan16Extreme
Feb16Extreme
Mar13Extreme
Apr8Very high
May5High
Jun4Moderate
Jul4Moderate
Aug6High
Sep9Very high
Oct13Extreme
Nov14Extreme
Dec15Extreme
Location & terrain

Where is Chilecito?

Chilecito sits at 29.2°S, 67.5°W, 1,107 m above sea level, in Argentina. The nearest listed city is La Rioja, 68 km away.

AguilaresAlbardónVilla General San Martín

Topography around Chilecito

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

Within 3 km, the terrain around Chilecito has significant variations in elevation — a maximum elevation change of 359 m around an average of 1,136 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,757 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,694 m.

The land around Chilecito is covered by shrubs (60%) and artificial surfaces (24%) within 3 km, shrubs (69%) within 16 km, and shrubs (49%), grassland (25%) and bare terrain (23%) within 80 km.

3 km
359 m
16 km
1,757 m
80 km
5,694 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
May weather nearby: La Rioja 68 km · Aimogasta 95 km · Belén 174 km · Catamarca 184 km · San Isidro 190 km · Aguilares 267 km · Albardón 272 km · Villa General San Martín 272 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 Chilecito (-29.1616°, -67.4993°, elevation 1,107 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).