San Lorenzo weather in January

In January, San Lorenzo sees average daytime highs of 32°C and overnight lows near 22°C, with 148 mm of rain across 11 wet days and about 13.6 hours of daylight. It is the 1st-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 44% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 13 h 48 min at the start of January to 13 h 18 min by month's end. Set against the rest of the year, January is San Lorenzo's 7th-clearest and 10th-windiest month. For the whole year in context, see San Lorenzo's year-round climate.

Daytime high
32°
1st warmest
Overnight low
22°
12th coldest
Rainfall
148 mm
11 wet days
Daylight
13 h 36 min
6:16 AM – 7:52 PM
Cloud cover
49%
7th clearest
Wind
12 km/h
10th windiest
Solar energy
6.82 kWh/m²
Travel score
4.1
out of 10

San Lorenzo is human settlement in Argentina.

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical January day in San Lorenzo reaches about 32°C in the afternoon and slips back to 22°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 36°C. Set against its neighbours, January runs about 1°C warmer than December and about 1°C warmer than February.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13222
23222
33222
43222
53222
63222
73222
83222
93222
103222
113222
123222
133222
143222
153222
163222
173222
183222
193222
203222
213222
223222
233222
243222
253222
263222
273222
283222
293222
303222
313222

How January really feels in San Lorenzo

Once humidity and wind are folded in, January averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

San Lorenzo weather by month

How January compares with the rest of the year at a glance. January is the 1st-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 22°1481113.64.1
Feb31° / 21°13610.1134.5
Mar29° / 20°14310.212.25.4
Apr26° / 17°1689.811.36.8
May23° / 14°1127.810.67.2
Jun20° / 12°807.810.26.7
Jul20° / 10°717.210.47.0
Aug23° / 11°756.7117.6
Sep25° / 13°1098.411.87.4
Oct27° / 16°1911112.76.5
Nov29° / 18°160913.45.9
Dec31° / 20°1601013.84.6

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 41%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35644
45644
55644
65644
75743
85743
95743
105743
115842
125842
135842
145842
155941
165941
175941
186040
196040
206040
216040
226238
236238
246238
256238
266238
276238
286337
296238
306238
316238

Chance of precipitation in January

Any precipitation

San Lorenzo gets around 148 mm of rain over 11 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 35% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
134
234
334
434
534
634
734
834
934
1034
1134
1234
1334
1434
1534
1634
1734
1834
1935
2035
2136
2236
2336
2437
2537
2638
2738
2838
2938
3038
3138

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January lands in the oppressive band about 37% of days. Sticky, muggy-or-worse air turns up on roughly 75% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1391826368
2291826369
3291826379
4291726379
5291726379
6391726369
7391627378
8391628368
9391628368
10391629368
11381629367
12381630367
13381631367
14381631366
15371532366
16371532375
17371533375
18371533375
19361533375
20361533384
21361633384
22361634384
23261634384
24261534394
25251534394
26251535394
27251535395
28251435395
29151435395
30151435395
31151435386

Wind in January

Winds average 12 km/h in January.

Across January, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 h 48 min at the start of January to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over January. Sunrise moves from 6:06 AM to 6:28 AM, and sunset from 7:51 PM to 7:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.86:067:51
213.86:067:51
313.76:077:51
413.76:077:52
513.76:087:52
613.76:097:52
713.76:107:52
813.76:107:52
913.76:117:52
1013.76:127:53
1113.76:127:53
1213.76:137:53
1313.66:147:53
1413.66:157:53
1513.66:157:53
1613.66:167:52
1713.66:177:52
1813.66:187:52
1913.66:197:52
2013.56:197:52
2113.56:207:52
2213.56:217:52
2313.56:227:51
2413.56:237:51
2513.56:237:51
2613.46:247:51
2713.46:257:50
2813.46:267:50
2913.46:277:49
3013.46:277:49
3113.36:287:49

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.82 kWh/m².

For context, solar energy here swings from a low near 2.59 kWh/m² to a high of 6.93 kWh/m² in December across the year — January's 6.82 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
17.0Intense
27.0Intense
37.0Intense
47.0Intense
57.0Intense
66.9Intense
76.9Intense
86.9Intense
96.9Intense
106.9Intense
116.9Intense
126.9Intense
136.9Intense
146.8Intense
156.8Intense
166.8Intense
176.8Intense
186.8Intense
196.8Intense
206.8Intense
216.7Intense
226.7Intense
236.7Intense
246.7Intense
256.7Intense
266.6Intense
276.6Intense
286.6Intense
296.6Intense
306.5Intense
316.5Intense
Planning a trip in January

Is January a good time to visit San Lorenzo?

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

4.1
Sightseeing
12th-best month of the year
6.5
Beach & pool
8th-best month of the year

January is a reasonable time to visit San Lorenzo for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for San Lorenzo in January

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

In January, San Lorenzo sees daytime highs around 32°C and nights near 22°C. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.

light clothessun protectionrain gear

UV index in San Lorenzo in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in San Lorenzo peaks around January 24 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateExtremeJan 24UV 14Jun 21UV 4
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar11Extreme
Apr8Very high
May5High
Jun4Moderate
Jul4Moderate
Aug5Moderate
Sep8Very high
Oct6High
Nov11Extreme
Dec13Extreme

Air quality in San Lorenzo in January

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in San Lorenzo is worst in August — around 16 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (May, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateGoodAug 2115 µg/m³May 146 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar7Good
Apr7Good
May6Good
Jun7Good
Jul9Good
Aug16Moderate
Sep14Moderate
Oct9Good
Nov7Good
Dec6Good
Location & terrain

Where is San Lorenzo?

San Lorenzo sits at 28.1°S, 58.8°W, 63 m above sea level, in Argentina. The nearest listed city is Saladas, 19 km away.

Topography around San Lorenzo

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

Within 3 km, the terrain around San Lorenzo has only modest variations in elevation — a maximum elevation change of 23 m around an average of 61 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 43 m; within 80 km, only modest variations in elevation — a maximum elevation change of 75 m.

The land around San Lorenzo is covered by grassland (59%) and trees (33%) within 3 km, grassland (57%) and trees (23%) within 16 km, and grassland (44%), trees (24%) and wetland (24%) within 80 km.

3 km
23 m
16 km
43 m
80 km
75 m
treesgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Saladas 19 km · Villa Ocampo 70 km · San Luis del Palmar 73 km · Corrientes 74 km · Barranqueras 75 km · Resistencia 78 km · Fontana 84 km · Goya 122 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 Lorenzo (-28.1344°, -58.7668°, elevation 63 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).