Climate and average weather in San Miguel del Monte

In San Miguel del Monte, the summers are hot, showery, and mostly clear and the winters are cool and partly cloudy.

Best: early January to late May

Over the course of the year, the temperature in San Miguel del Monte typically varies from 5°C to 29°C, and is rarely below -1°C or above 34°C. January is the hottest month of the year, while July is the coldest.

Based on the travel score, the best times of year to visit San Miguel del Monte for warm-weather activities are from early January to late May and late August to early January.

Hottest
Jan
29°
Coldest
Jul
Wettest
Oct
102 mm
Driest
Jul
53 mm
Rain / yr
930 mm
89 wet days
Daylight
9.6–14.4 h
shortest–longest
Elevation
25 m
35.4°S
Clearest
Jan
43% cloud

San Miguel del Monte is human settlement in Argentina.

Founded
1864

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

San Miguel del Monte weather by month, at a glance

The whole year in one picture — sky, rain, humidity, temperature and travel score. Click any band to jump to its full chart.

Each stripe is one measure across the whole year, stacked so a single day reads top to bottom. The sky band runs overcast grey on top down to clear blue at the base — more blue means sunnier — followed by the rainfall curve, the humidity band, a temperature strip that tints each stretch of the year by how warm its average high is, and the travel-score line at the foot. Scan straight down any date to read that day across every measure at once; the score climbs highest around early January to late May.

Temperature through the year

Average highAverage lowShaded bands: 10–90% of days

Daily average highs and lows in San Miguel del Monte, from 1991–2020 of climate data. The shaded bands show the range most days fall in — 10th to 90th percentile.

The hot season lasts 4.0 months, from November 20 to March 21, with daily high temperatures above 25°C. The hottest month of the year in San Miguel del Monte is January, with an average high of 29°C and low of 17°C.

The cool season lasts 2.8 months, from May 25 to August 18, with daily high temperatures below 17°C. The coldest month of the year in San Miguel del Monte is July, with an average low of 5°C and high of 14°C.

Days typically run about 10°C warmer than nights, with the widest day–night swing (around 12°C) in December.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDec
Avg high (°C)Avg low (°C)
Jan2917
Feb2817
Mar2615
Apr2212
May189
Jun156
Jul145
Aug166
Sep188
Oct2111
Nov2513
Dec2816

Average hourly temperature in San Miguel del Monte

A compact picture of the whole year, hour by hour: each column is a day, each row an hour, and the color is the modeled average temperature. Darker overlays mark night, lighter ones the civil-twilight hours around sunrise and sunset.

Read left to right for the day of the year and top to bottom for the hour of the day; the color is the modeled temperature, cool blues through to hot reds on the same scale as the other charts. A vertical slice is a single day's swing — coolest just before dawn, warmest in the mid-afternoon — while a horizontal slice follows one hour across the seasons. The darker overlay marks night and the lighter one the twilight around sunrise and sunset. Colors run warmest on January afternoons, near 29°C, and coldest before dawn in July, near C.

JanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM

San Miguel del Monte weather by month

Every month at a glance. Click a month for its detailed page.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 17°898.114.16.0
Feb28° / 17°878.213.36.7
Mar26° / 15°837.812.37.3
Apr22° / 12°947.811.17.1
May18° / 59610.26.3
Jun15° / 595.69.74.9
Jul14° / 535.99.94.5
Aug16° / 595.810.75.7
Sep18° / 72711.86.3
Oct21° / 11°1029.312.96.7
Nov25° / 13°898.713.97.2
Dec28° / 16°858.814.36.6

Chance of rain

How likely it is to rain on a typical day, and how that shifts across the wetter and drier seasons.

San Miguel del Monte gets about 930 mm of precipitation a year. On a typical day the chance of rain is some rain, but that rises and falls sharply with the seasons.

The wetter season lasts 6.8 months, from around Sep 26 to Apr 19, peaking in February at about 31% chance on a given day. The drier stretch runs the rest of the year, bottoming out around Aug 1.

October is the wettest month by volume, with 102 mm over about 9 wet days; July is the driest, with 53 mm.

0%10%20%30%40%JanFebMarAprMayJunJulAugSepOctNovDecwetterdrierwettermostly drysome rainoften wetFeb 4 · 31%Aug 1 · 17%
Rain on a day (%)Rain days
Jan278
Feb298
Mar258
Apr258
May206
Jun196
Jul196
Aug196
Sep237
Oct299
Nov299
Dec289

Monthly rainfall

Over a full year, San Miguel del Monte collects about 930 mm of rain across 89 wet days — roughly 77 mm in an average month.

It doesn’t fall evenly. October is the wettest month with 102 mm, while July is the driest at just 53 mm. The three wettest months alone bring about 31% of the year’s total.

0255075100125JanFebMarAprMayJunJulAugSepOctNovDec8987839459595359721028985
Rainfall (mm)Rain days
Jan898
Feb878
Mar838
Apr948
May596
Jun596
Jul536
Aug596
Sep727
Oct1029
Nov899
Dec859

Clouds and sunshine

ClearMostly clearPartly cloudyMostly cloudyOvercast

How often the daytime sky is clear, partly cloudy or overcast.

In San Miguel del Monte, the average share of the sky covered by clouds shows moderate seasonal variation over the course of the year.

The clearer part of the year begins around November 6 and lasts for 5.8 months, ending around April 30. The clearest month is January, when the sky is clear, mostly clear, or partly cloudy 66% of the time on average.

The cloudier part of the year begins around May 1 and lasts for 6.2 months, ending around November 5. The cloudiest month is July, when it is overcast or mostly cloudy 53% of the time.

0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%JanFebMarAprMayJunJulAugSepOctNovDecJan 21 · 68%May 25 · 44%clearmostly clearpartly cloudymostly cloudyovercastclearercloudierclearer
Clearer (%)Cloudier (%)
Jan6634
Feb6337
Mar6040
Apr5644
May4852
Jun4753
Jul4753
Aug5149
Sep4951
Oct4951
Nov5842
Dec6436

Daylight, sunrise and sunset

DaylightNight

Hours of daylight through the year, with sunrise and sunset times.

The gold band is daylight — sunrise runs along its lower edge, sunset along the upper — so it widens toward summer and pinches toward winter, with night the dark area above and below. The longest day, around January 1, brings about 14 h 24 min of light; the shortest, around June 12, only 9 h 36 min — a swing of roughly 4 h 48 min.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDec
Daylight (h)Sunrise (AM)Sunset (PM)
Jan14.16:008:09
Feb13.36:307:50
Mar12.36:577:13
Apr11.17:226:29
May10.27:475:56
Jun9.78:075:44
Jul9.98:065:56
Aug10.77:406:19
Sep11.86:566:43
Oct12.96:137:08
Nov13.95:437:37
Dec14.35:408:03

Sunny days

How many genuinely sunny days each month brings — days the sky stays clear or mostly clear — banded into plain-language zones.

San Miguel del Monte averages about 12 sunny days a month — counting the days the sky stays clear or mostly clear — with a clear seasonal swing between 9 and 16 days.

The sunnier stretch runs 5.9 months, from around Nov 5 to May 4. The sunniest month is December, with roughly 15 sunny days (bright).

The greyest month is May, down near 11 sunny days — about 29% fewer than the December peak.

05101520JanFebMarAprMayJunJulAugSepOctNovDecsunniergreyersunniergloomymixedbrightDec 2116 daysMay 279 days
Sunny daysSky
Jan15Bright
Feb13Mixed
Mar14Mixed
Apr13Mixed
May11Mixed
Jun10Mixed
Jul10Mixed
Aug11Mixed
Sep11Mixed
Oct11Mixed
Nov13Mixed
Dec15Bright

Humidity comfort

DryComfortableHumidMuggyOppressiveMiserable

Share of days at each humidity comfort level, based on the dew point — the measure that tracks how muggy it actually feels.

Humidity comfort is graded by the dew point — the temperature at which the air would be fully saturated — because it tracks how muggy it actually feels far better than relative humidity does. A low dew point feels dry and crisp; a high one feels sticky and oppressive no matter the reading on a humidity gauge.

In San Miguel del Monte, how humid it feels changes dramatically over the year.

The more humid part of the year lasts 4.5 months, from around November 23 to April 8. The muggiest month is February, when the air feels humid, muggy or worse about 61% of the time.

The most comfortable stretch runs from around April 9 to November 22, and July is the most comfortable month — the air is dry or comfortable 99% of the time.

0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecJul 14 · 100%Feb 1 · 38%muggycomfortablehumiddryhumidcomfortablehumid
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
Jan212229263
Feb201929275
Mar292428162
Apr57251250
May7814710
Jun916200
Jul955100
Aug926200
Sep899200
Oct6923710
Nov51301620
Dec352627121

Wind

Average wind speed through the year, banded into plain-language speed zones so a number reads as 'breezy' or 'calm' without knowing the scale.

This is the average sustained wind speed at the standard 10 metres above open ground — the steady flow a weather station reports, not the sharper gusts that come and go, which can run half again as fast. It's the number that says whether a place is generally breezy or calm.

Wind in San Miguel del Monte is steady company: average speeds sit near 13 km/hlight breeze — in every month of the year, with no meaningful windy or calm season.

05101520JanFebMarAprMayJunJulAugSepOctNovDeccalmlight breezeSep 1 · 14 km/hMay 13 · 12 km/h
Wind speed (km/h)Feels
Jan13light breeze
Feb12light breeze
Mar12light breeze
Apr12light breeze
May12light breeze
Jun13light breeze
Jul13light breeze
Aug13light breeze
Sep14light breeze
Oct14light breeze
Nov14light breeze
Dec13light breeze

Best time to visit San Miguel del Monte

TravelBeach/poolTemperatureCloudsPrecipitation

To characterize how pleasant the weather is in San Miguel del Monte throughout the year, we compute two travel scores — one for general sightseeing, one for beach and pool weather.

Around mid January, San Miguel del Monte is still near the start of its best-weather window — great conditions with the peak-season crowds not yet at full swing.

Inferred from the travel-score curve; month-by-month visitor numbers are a planned addition.

The travel score favors clear, rainless days with daytime highs between 18°C and 28°C. Based on this score, the best time of year to visit San Miguel del Monte for general outdoor tourist activities is from late August to late May, with a peak score in the last week of March.

0246810JanFebMarAprMayJunJulAugSepOctNovDecbest timebest timetravel scoretemperaturecloudsprecipitationMar 27 · 7.5

The travel score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

Travel score (0–10)Rating
Jan6.1good
Feb6.7good
Mar7.3good
Apr7.1good
May6.3good
Jun4.9fair
Jul4.5fair
Aug5.6good
Sep6.4good
Oct6.7good
Nov7.2good
Dec6.6good

The beach/pool score favors clear, rainless days with daytime highs between 24°C and 34°C. Based on this score, the best time of year to visit San Miguel del Monte for hot-weather activities is from mid November to early April, with a peak score in the third week of January.

024681012JanFebMarAprMayJunJulAugSepOctNovDecbest timebest timebeach/pool scoretemperaturecloudsprecipitationJan 16 · 7.7

The beach/pool score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

What to pack for San Miguel del Monte, by month

EssentialRecommendedOptional

Month by month, what's worth putting in the bag — from the temperature range, rain chance, sun and wind. Tap a month for a quick packing note.

For a warm-season trip around January (highs near 29°C), the essentials are light clothes, rain gear and sun protection. In the cold season around July (highs near 14°C), pack a warm layer.

Light clothing
Warm layer
Winter coat
Rain gear
Sun protection
Windbreaker

In January, San Miguel del Monte sees daytime highs around 29°C and nights near 17°C. Pack light clothes and sun protection. Worth having: rain gear. About 8 days see rain.

UV index (midday) in San Miguel del Monte by month

LowModerateHighVery highExtreme

Clear-sky midday UV index through the year, shaded by the WHO exposure levels — how much sun protection each month calls for.

Under clear skies, the midday UV index in San Miguel del Monte peaks around January 13 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 13UV 12Jun 20UV 2
UV index (midday)Level
Jan13Extreme
Feb11Extreme
Mar10Very high
Apr6High
May3Moderate
Jun2Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct8Very high
Nov11Extreme
Dec12Extreme

Average hourly UV index in San Miguel del Monte

LowModerateHighVery highExtreme

Modeled clear-sky UV for every hour of every day — when in the day sun protection actually matters.

The whole year hour by hour: each column is a day, each row an hour, and the color is the modeled clear-sky UV index — the midday peak scaled down as the sun sits lower in the sky. Darker overlays mark night, lighter ones the civil-twilight hours around sunrise and sunset.

UV falls off far faster than brightness as the sun drops, so even in January the burn window is concentrated in the middle of the day: about 9 hours a day reach index 3 (protection recommended), and 7 hours reach 6 or more. Mornings and late afternoons stay comparatively gentle year round.

JanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM
UV ≥ 3 (h/day)UV ≥ 6 (h/day)
Jan97
Feb8.56
Mar7.55
Apr5.51
May2.50
Jun00
Jul00
Aug30
Sep5.50
Oct74
Nov8.56
Dec96.5

Air quality in San Miguel del Monte by month

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see which months the air is worst, not just the yearly average.

Air quality in San Miguel del Monte is worst in August — around 17 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1316 µg/m³Dec 129 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar11Good
Apr12Good
May14Moderate
Jun15Moderate
Jul16Moderate
Aug17Moderate
Sep14Moderate
Oct11Good
Nov10Good
Dec9Good
Almanac & agriculture

Growing season

Chance of a frost-free dayReliably frost-free (≥90%)

San Miguel del Monte is mild enough that a frost-free day stays more likely than not even in midwinter. Nights are reliably above freezing from about August 4 to June 23 (324 days); outside that window a hard frost is an occasional risk.

0%25%50%75%100%JanFebMarAprMayJunJulAugSepOctNovDecreliably frost-freereliably frost-freeAug 490%Jun 2390%
Frost-free chance (%)Frost nights
Jan1000
Feb1000
Mar1000
Apr1000
May980
Jun927
Jul8831
Aug944
Sep980
Oct1000
Nov1000
Dec1000

Growing degree days

Degree days (base 10°C)Frost-free shaded

Growing degree days tally heat above 10°C: each day adds however many degrees its average temperature runs over that threshold, and cold days add nothing. San Miguel del Monte banks about 2,320 degree days a year, and the running total — which growers use to time plantings and predict maturity — climbs fastest around January.

01,0002,000JanFebMarAprMayJunJulAugSepOctNovDec
Growing degree days (°C·days)
Jan401
Feb341
Mar320
Apr202
May103
Jun13
Jul0
Aug39
Sep93
Oct184
Nov264
Dec361

Solar energy

Average daily shortwave solar energy reaching the ground, banded into brightness zones so the number means something at a glance.

Solar energy is how much sunlight actually reaches the ground each day, measured in kilowatt-hours per square metre (kWh/m²) — the combined effect of how long the sun is up, how high it climbs, and how much cloud gets in the way. It's the raw fuel a solar panel has to work with: for scale, 1 kWh/m² a day is dim and wintry, while 7+ is desert-bright.

San Miguel del Monte receives about 4.7 kWh/m² a day of solar energy on average — bright — with a clear seasonal swing between 2.1 and 7.4 kWh/m².

The brighter stretch of the year lasts 5.8 months, from around Sep 25 to Mar 21. The brightest month is December, averaging about 7.4 kWh/m² (intense).

The dimmest month is June, down near 2.2 kWh/m² — roughly 71% less than the December peak.

0123456789JanFebMarAprMayJunJulAugSepOctNovDecbrighterdimmerbrighterdimmoderatebrightintenseDec 177.4 kWhJun 192.1 kWh
Solar energy (kWh/m²)Level
Jan7.2Intense
Feb6.2Intense
Mar4.9Bright
Apr3.6Moderate
May2.6Moderate
Jun2.2Moderate
Jul2.4Moderate
Aug3.3Moderate
Sep4.4Bright
Oct5.5Bright
Nov6.8Intense
Dec7.4Intense

Where is San Miguel del Monte?

San Miguel del Monte sits at 35.4°S, 58.8°W, 25 m above sea level, in Argentina. The nearest listed city is Lobos, 39 km away.

Topography around San Miguel del Monte

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

Within 3 km, the terrain around San Miguel del Monte has only modest variations in elevation — a maximum elevation change of 20 m around an average of 21 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 45 m; within 80 km, only modest variations in elevation — a maximum elevation change of 70 m.

The land around San Miguel del Monte is covered by grassland (40%) within 3 km, cropland (56%) and grassland (36%) within 16 km, and grassland (48%) and cropland (47%) within 80 km.

3 km
20 m
16 km
45 m
80 km
70 m
treesgrasslandcroplandartificial surfaceswaterwetland
Nearby: Lobos 39 km · Cañuelas 43 km · General Belgrano 46 km · San Vicente 58 km · Coronel Brandsen 60 km · Navarro 64 km · Tristán Suárez 65 km · La Unión 67 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 del Monte (-35.4392°, -58.8074°, elevation 25 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).