Monteros weather in May

In May, Monteros sees average daytime highs of 20°C and overnight lows near 11°C, with 112 mm of precipitation across 15.8 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 19°C by the end. The sky is clear or mostly clear about 34% 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 Monteros's 6th-clearest and 7th-windiest month. For the whole year in context, see Monteros's year-round climate.

Daytime high
20°
10th warmest
Overnight low
11°
4th coldest
Precipitation
112 mm
15.8 wet days
Daylight
10 h 42 min
7:58 AM – 6:38 PM
Cloud cover
57%
6th clearest
Wind
4 km/h
7th windiest
Solar energy
3.31 kWh/m²
Travel score
5.6
out of 10

Monteros is human settlement.

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 19°C by the end.

A typical May day in Monteros reaches about 20°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 15°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)
12213
22213
32113
42113
52113
62112
72112
82112
92112
102112
112112
122012
132011
142011
152011
162011
172011
182011
192010
201910
211910
221910
231910
241910
25199
26199
27199
28199
29199
30189
31189

Monteros 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 daysSnow daysDaylight (hours)Travel score
Jan29° / 20°34625.9013.53.6
Feb28° / 19°27624.30134.0
Mar26° / 18°26725.1012.24.4
Apr23° / 15°17819.2011.45.4
May20° / 11°11215.80.210.75.6
Jun18° / 6510.80.310.35.8
Jul18° / 508.31.210.56.3
Aug20° / 569.30.7117.0
Sep23° / 11°8411.90.411.86.8
Oct26° / 15°16318.60.112.75.6
Nov27° / 17°20821.5013.34.7
Dec29° / 19°27423.7013.73.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24852
34753
44753
54654
64753
74654
84654
94654
104753
114654
124753
134753
144654
154753
164753
174852
184852
194951
204951
215050
225050
235050
245149
255149
265149
275248
285248
295446
305446
315446

Chance of precipitation in May

Any precipitation

Monteros gets around 112 mm of rain and snow over 15.8 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 51% and peaks near 57% on the wettest days, and about 0 day brings snow. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
157
257
356
456
555
655
755
854
954
1053
1153
1253
1353
1452
1552
1652
1751
1850
1950
2049
2149
2248
2348
2447
2546
2646
2745
2844
2943
3042
3141

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 67% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14331225
24530214
34630204
44830193
54930183
65130163
75330152
85430142
95730121
105830111
115930101
12603091
13632980
14652960
15662860
16672850
17692740
18712540
19732430
20742330
21772120
22782020
23801820
24821710
25831610
26841510
27851410
28861310
29881200
30881200
31891100

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 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
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 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 7:50 AM to 8:07 AM, and sunset from 6:49 PM to 6:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.07:506:49
211.07:506:48
310.97:516:47
410.97:516:46
510.97:526:45
610.97:536:45
710.87:536:44
810.87:546:43
910.87:546:43
1010.87:556:42
1110.87:556:41
1210.77:566:41
1310.77:576:40
1410.77:576:39
1510.77:586:39
1610.77:586:38
1710.67:596:38
1810.67:596:37
1910.68:006:37
2010.68:016:36
2110.68:016:36
2210.68:026:35
2310.58:026:35
2410.58:036:34
2510.58:036:34
2610.58:046:34
2710.58:046:33
2810.58:056:33
2910.58:066:33
3010.48:066:32
3110.48:076:32

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.31 kWh/m².

For context, solar energy here swings from a low near 3.22 kWh/m² to a high of 6.33 kWh/m² in December across the year — May's 3.31 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.5Moderate
33.5Moderate
43.5Moderate
53.5Moderate
63.5Moderate
73.4Moderate
83.4Moderate
93.4Moderate
103.4Moderate
113.4Moderate
123.4Moderate
133.3Moderate
143.3Moderate
153.3Moderate
163.3Moderate
173.3Moderate
183.3Moderate
193.3Moderate
203.3Moderate
213.2Moderate
223.2Moderate
233.2Moderate
243.2Moderate
253.2Moderate
263.2Moderate
273.2Moderate
283.2Moderate
293.2Moderate
303.2Moderate
313.2Moderate
Planning a trip in May

Hazard calendar for Monteros

In seasonPeak

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

Monteros'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 Monteros?

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

5.6
Sightseeing
5th-best month of the year
2.9
Beach & pool
10th-best month of the year

May is a reasonable time to visit Monteros for sightseeing.

What to pack for Monteros in May

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

In May, Monteros sees daytime highs around 20°C and nights near 11°C. Pack rain gear. About 16 days see rain.

rain gear

UV index in Monteros 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 Monteros peaks around January 18 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 18UV 14Jul 10UV 4
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar12Extreme
Apr7Very high
May6High
Jun4Moderate
Jul4Moderate
Aug6High
Sep8Very high
Oct13Extreme
Nov12Extreme
Dec14Extreme

Air quality in Monteros 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 Monteros 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 Monteros?

Monteros sits at 27.2°S, 65.5°W, 325 m above sea level, in Argentina. The nearest listed city is Famaillá, 16 km away.

Topography around Monteros

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

Within 3 km, the terrain around Monteros has only modest variations in elevation — a maximum elevation change of 27 m around an average of 355 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 498 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,270 m.

The land around Monteros is covered by cropland (39%) and trees (34%) within 3 km, cropland (54%) and trees (36%) within 16 km, and trees (34%) and cropland (32%) within 80 km.

3 km
27 m
16 km
498 m
80 km
5,270 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Famaillá 16 km · Bella Vista 25 km · Aguilares 31 km · Yerba Buena 44 km · San Miguel de Tucuman 48 km · Alderetes 53 km · Tafí Viejo 54 km · Termas de Río Hondo 73 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 Monteros (-27.1683°, -65.4989°, elevation 325 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).