San Lorenzo weather in January

In January, San Lorenzo sees average daytime highs of 23°C and overnight lows near 14°C, with 339 mm of rain across 26.2 wet days and about 13.4 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 7% of the time in January, and the air most often feels comfortable.

Daylight stretches from about 13 h 30 min at the start of January to 13 h 12 min by month's end. Set against the rest of the year, January is San Lorenzo's 10th-clearest and 7th-windiest month. For the whole year in context, see San Lorenzo's year-round climate.

Daytime high
23°
1st warmest
Overnight low
14°
12th coldest
Rainfall
339 mm
26.2 wet days
Daylight
13 h 24 min
6:50 AM – 8:13 PM
Cloud cover
77%
10th clearest
Wind
5 km/h
7th windiest
Solar energy
5.83 kWh/m²
Travel score
4.2
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 23°C through the month.

A typical January day in San Lorenzo reaches about 23°C in the afternoon and slips back to 14°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 26°C. Set against its neighbours, January runs on par with December and about 1°C warmer than February.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12314
22315
32315
42315
52315
62315
72315
82315
92315
102315
112315
122315
132315
142214
152214
162214
172214
182214
192214
202214
212214
222214
232214
242214
252214
262214
272214
282214
292214
302214
312214

San Lorenzo weather by month

How January compares with the rest of the year at a glance. January is the 1st-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan23° / 14°33926.2013.44.2
Feb22° / 14°31524.1012.94.0
Mar20° / 13°34126.1012.23.9
Apr18° / 11°216200.111.44.5
May16° / 131150.310.84.5
Jun15° / 619.60.510.54.8
Jul15° / 447.80.810.65.1
Aug17° / 528.10.511.16.1
Sep19° / 8010.90.211.86.2
Oct20° / 10°17317.70.112.65.3
Nov21° / 12°23519013.25.0
Dec22° / 14°31423.5013.54.5

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 79%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22575
32476
42476
52476
62278
72278
82278
92179
102179
112179
122080
132080
142080
152080
162080
172080
182080
192080
202080
212080
222080
232080
242080
252080
262179
272179
282278
292278
302278
312179

Chance of precipitation in January

Any precipitation

San Lorenzo gets around 339 mm of rain over 26.2 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 84% and peaks near 86% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
179
280
381
481
582
683
783
884
984
1085
1185
1285
1386
1486
1586
1686
1786
1886
1986
2086
2186
2286
2385
2485
2584
2684
2783
2883
2983
3083
3184

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the comfortable band about 50% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1949401
2849411
3849421
4849421
5848421
6848431
7848431
8948431
9947431
10947431
11948421
12948421
13949411
14950401
15951391
16951391
17952381
18952381
19953371
20953371
21953371
22854371
23854371
24853372
25852382
26851392
27850402
28850412
29849412
30848422
31947432

Wind in January

Winds average 5 km/h in January.

Across January, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 h 30 min at the start of January to 13 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over January. Sunrise moves from 6:40 AM to 7:01 AM, and sunset from 8:10 PM to 8:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.56:408:10
213.56:408:11
313.56:418:11
413.56:428:11
513.56:428:11
613.56:438:12
713.56:448:12
813.56:448:12
913.56:458:12
1013.46:468:12
1113.46:468:12
1213.46:478:13
1313.46:488:13
1413.46:488:13
1513.46:498:13
1613.46:508:13
1713.46:518:13
1813.46:518:13
1913.36:528:12
2013.36:538:12
2113.36:538:12
2213.36:548:12
2313.36:558:12
2413.36:568:12
2513.36:568:12
2613.26:578:11
2713.26:588:11
2813.26:588:11
2913.26:598:11
3013.27:008:10
3113.27:018:10

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.83 kWh/m².

For context, solar energy here swings from a low near 3.56 kWh/m² to a high of 6.08 kWh/m² in November across the year — January's 5.83 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.1Intense
56.1Intense
66.0Intense
76.0Intense
86.0Bright
96.0Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in January

Hazard calendar for San Lorenzo

In seasonPeak

In January, San Lorenzo sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

San Lorenzo'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 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).

4.2
Sightseeing
10th-best month of the year
3.1
Beach & pool
3rd-best month of the year

January is a reasonable time to visit San Lorenzo for sightseeing.

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 23°C and nights near 14°C. Pack rain gear. Worth having: light clothes and sun protection. About 26 days see rain.

rain gearlight clothessun protection

UV index in San Lorenzo in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 16 (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 16 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 16UV 16Jul 10UV 6
UV index (midday)Level
Jan16Extreme
Feb16Extreme
Mar14Extreme
Apr9Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep10Extreme
Oct13Extreme
Nov15Extreme
Dec16Extreme
Location & terrain

Where is San Lorenzo?

San Lorenzo sits at 24.7°S, 65.5°W, 1,335 m above sea level, in Argentina. The nearest listed city is Salta, 10 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 large variations in elevation — a maximum elevation change of 647 m around an average of 1,401 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,253 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,347 m.

The land around San Lorenzo is covered by trees (48%) and grassland (36%) within 3 km, trees (56%) and grassland (20%) within 16 km, and trees (41%), bare terrain (23%) and grassland (20%) within 80 km.

3 km
647 m
16 km
2,253 m
80 km
5,347 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
January weather nearby: Salta 10 km · San José de los Cerrillos 18 km · Rosario de Lerma 29 km · General Güemes 45 km · Palpalá 60 km · San Salvador de Jujuy 64 km · San Pedro de Jujuy 84 km · San José de Metán 99 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 (-24.7362°, -65.4873°, elevation 1,335 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).