Tandil weather in January

In January, Tandil sees average daytime highs of 27°C and overnight lows near 15°C, with 81 mm of rain across 9.1 wet days and about 14.3 hours of daylight. It is the 1st-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 53% of the time in January, and the air most often feels dry.

Daylight stretches from about 14 h 30 min at the start of January to 13 h 54 min by month's end. Set against the rest of the year, January is Tandil's 1st-clearest and 7th-windiest month. For the whole year in context, see Tandil's year-round climate.

Daytime high
27°
1st warmest
Overnight low
15°
12th coldest
Rainfall
81 mm
9.1 wet days
Daylight
14 h 18 min
5:57 AM – 8:15 PM
Cloud cover
43%
1st clearest
Wind
14 km/h
7th windiest
Solar energy
7.37 kWh/m²
Travel score
6.9
out of 10

Tandil is city in Buenos Aires Province, Argentina.

Founded
1823

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 27°C through the month.

A typical January day in Tandil reaches about 27°C in the afternoon and slips back to 15°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 32°C. Set against its neighbours, January runs about 1°C warmer than December and about 1°C warmer than February.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12715
22715
32715
42715
52715
62714
72714
82714
92714
102714
112714
122714
132714
142714
152714
162714
172714
182714
192714
202714
212715
222715
232715
242715
252715
262715
272715
282715
292715
302715
312715

How January really feels in Tandil

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

January sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Tandil weather by month

How January compares with the rest of the year at a glance. January is the 1st-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 15°819.114.36.9
Feb26° / 14°72813.47.1
Mar24° / 13°74812.37.3
Apr20° / 817.611.16.7
May16° / 425.6105.4
Jun13° / 414.89.53.9
Jul12° / 405.39.73.5
Aug14° / 515.610.64.6
Sep16° / 59711.75.4
Oct19° / 859.5136.2
Nov23° / 10°919.6147.0
Dec26° / 13°768.614.57.2

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 33%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16634
26634
36634
46535
56535
66535
76535
86535
96634
106634
116733
126733
136733
146832
156931
166931
176931
186931
197030
207030
216931
226931
236931
246931
256931
266832
276832
286733
296733
306634
316535

Chance of precipitation in January

Any precipitation

Tandil gets around 81 mm of rain over 9.1 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 29% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
128
228
329
429
529
629
729
829
930
1030
1130
1230
1330
1430
1530
1629
1729
1829
1929
2029
2129
2229
2329
2429
2529
2630
2730
2830
2930
3030
3130

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the dry band about 39% of days. Sticky, muggy-or-worse air turns up on roughly 10% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
142242590
242242590
342242590
442242490
543242490
643242490
743242490
843242490
943252480
1043252480
1143252480
1243252480
1342262480
1442262480
1541262580
1641262580
1740262590
1839262690
1939262690
20382627100
21372528100
22362528100
23362529100
24352430100
25352430111
26342431111
27342331111
28342331111
29342231111
30352231111
31352231111

Wind in January

Winds average 14 km/h in January.

Across January, daily wind ranges from about 14 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 14 h 30 min at the start of January to 13 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over January. Sunrise moves from 5:44 AM to 6:12 AM, and sunset from 8:16 PM to 8:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.55:448:16
214.55:458:16
314.55:458:16
414.55:468:16
514.55:478:16
614.55:488:16
714.55:488:16
814.45:498:16
914.45:508:16
1014.45:518:16
1114.45:528:16
1214.45:538:16
1314.45:548:16
1414.35:558:16
1514.35:568:15
1614.35:578:15
1714.35:588:15
1814.35:598:14
1914.26:008:14
2014.26:018:14
2114.26:028:13
2214.26:038:13
2314.16:048:12
2414.16:058:12
2514.16:068:11
2614.16:078:11
2714.06:088:10
2814.06:098:10
2914.06:108:09
3014.06:118:08
3113.96:128:08

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 7.37 kWh/m².

For context, solar energy here swings from a low near 2.01 kWh/m² to a high of 7.59 kWh/m² in December across the year — January's 7.37 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.6Intense
27.6Intense
37.6Intense
47.6Intense
57.6Intense
67.6Intense
77.6Intense
87.6Intense
97.6Intense
107.5Intense
117.5Intense
127.5Intense
137.5Intense
147.5Intense
157.5Intense
167.5Intense
177.4Intense
187.4Intense
197.4Intense
207.3Intense
217.3Intense
227.3Intense
237.2Intense
247.2Intense
257.1Intense
267.1Intense
277.0Intense
287.0Intense
296.9Intense
306.9Intense
316.8Intense
Planning a trip in January

Is January a good time to visit Tandil?

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

6.9
Sightseeing
5th-best month of the year
7.1
Beach & pool
1st-best month of the year

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

What to pack for Tandil in January

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

In January, Tandil sees daytime highs around 27°C and nights near 15°C. Pack light clothes and sun protection. Worth having: rain gear. About 9 days see rain.

light clothessun protectionrain gear

UV index in Tandil in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tandil peaks around January 1 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 1UV 12Jun 20UV 2
UV index (midday)Level
Jan12Extreme
Feb11Extreme
Mar9Very high
Apr6High
May3Moderate
Jun2Moderate
Jul3Moderate
Aug3Moderate
Sep5Moderate
Oct7Very high
Nov10Extreme
Dec12Extreme
Location & terrain

Where is Tandil?

Tandil sits at 37.3°S, 59.1°W, 207 m above sea level, in Argentina. The nearest listed city is Ayacucho, 61 km away.

Topography around Tandil

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

Within 3 km, the terrain around Tandil has only modest variations in elevation — a maximum elevation change of 141 m around an average of 209 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 353 m; within 80 km, significant variations in elevation — a maximum elevation change of 467 m.

The land around Tandil is covered by artificial surfaces (50%) and grassland (31%) within 3 km, cropland (53%) and grassland (37%) within 16 km, and cropland (51%) and grassland (48%) within 80 km.

3 km
141 m
16 km
353 m
80 km
467 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Ayacucho 61 km · Benito Juárez 70 km · Azul 89 km · Balcarce 97 km · Olavarría 116 km · Necochea 141 km · Las Flores 146 km · Tres Arroyos 154 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 Tandil (-37.3287°, -59.1369°, elevation 207 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).