Santa Clara del Mar weather in January

In January, Santa Clara del Mar sees average daytime highs of 25°C and overnight lows near 17°C, with 81 mm of rain across 8.5 wet days and about 14.3 hours of daylight. It is the 1st-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 48% of the time in January, and the air most often feels humid.

Daylight stretches from about 14 h 36 min at the start of January to 14 hours by month's end. Set against the rest of the year, January is Santa Clara del Mar's 2nd-clearest and 6th-windiest month. For the whole year in context, see Santa Clara del Mar's year-round climate.

Daytime high
25°
1st warmest
Overnight low
17°
11th coldest
Rainfall
81 mm
8.5 wet days
Daylight
14 h 24 min
5:49 AM – 8:10 PM
Cloud cover
45%
2nd clearest
Wind
18 km/h
6th windiest
Solar energy
7.24 kWh/m²
Travel score
7.4
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical January day in Santa Clara del Mar reaches about 25°C in the afternoon and slips back to 17°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 29°C. Set against its neighbours, January runs about 1°C warmer than December and on par with February.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12516
22516
32516
42516
52516
62516
72516
82516
92516
102516
112516
122516
132516
142516
152516
162516
172516
182516
192517
202517
212517
222517
232517
242517
252517
262517
272517
282517
292517
302517
312517

Santa Clara del Mar weather by month

How January compares with the rest of the year at a glance. January is the 1st-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 17°818.514.37.4
Feb24° / 17°747.613.57.4
Mar22° / 15°727.912.37.2
Apr19° / 12°80811.16.5
May16° / 10°486.5105.3
Jun13° / 596.29.43.9
Jul12° / 536.49.63.4
Aug13° / 606.810.54.1
Sep15° / 607.111.74.7
Oct17° / 10°839.3135.7
Nov20° / 12°839.4146.6
Dec23° / 15°70814.67.4

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 17% of January, with mostly cloudy or overcast conditions the remaining 35%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26436
36436
46436
56436
66535
76535
86535
96634
106634
116634
126634
136634
146634
156634
166634
176634
186634
196634
206634
216535
226535
236535
246535
256436
266436
276436
286238
296238
306139
316139

Chance of precipitation in January

Any precipitation

Santa Clara del Mar gets around 81 mm of rain over 8.5 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 27% and peaks near 29% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
127
227
327
427
527
627
727
827
927
1027
1127
1227
1327
1427
1527
1626
1726
1826
1926
2026
2126
2226
2327
2427
2527
2628
2728
2828
2929
3029
3129

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the humid band about 29% of days. Sticky, muggy-or-worse air turns up on roughly 20% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1272631160
2272631160
3272631170
4272630170
5282630170
6282630160
7282629160
8282629160
9292629160
10292729160
11282729160
12282729160
13282729160
14282729170
15282629170
16272629180
17272529180
18272529190
19262430200
20262330211
21252330221
22252330221
23242230231
24242230241
25242130241
26242129251
27242029261
28242029261
29251928261
30251928271
31251928271

Wind in January

Winds average 18 km/h in January.

Across January, daily wind ranges from about 17 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 14 h 36 min at the start of January to 14 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over January. Sunrise moves from 5:36 AM to 6:05 AM, and sunset from 8:11 PM to 8:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.65:368:11
214.65:378:11
314.65:378:11
414.55:388:11
514.55:398:11
614.55:408:11
714.55:418:11
814.55:418:11
914.55:428:11
1014.55:438:11
1114.45:448:11
1214.45:458:11
1314.45:468:11
1414.45:478:10
1514.45:488:10
1614.45:498:10
1714.35:508:10
1814.35:518:09
1914.35:528:09
2014.35:538:08
2114.25:548:08
2214.25:558:08
2314.25:568:07
2414.25:578:07
2514.15:588:06
2614.15:598:05
2714.16:008:05
2814.06:018:04
2914.06:028:04
3014.06:038:03
3114.06:058:02

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 7.24 kWh/m².

For context, solar energy here swings from a low near 1.93 kWh/m² to a high of 7.52 kWh/m² in December across the year — January's 7.24 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.5Intense
27.5Intense
37.5Intense
47.5Intense
57.5Intense
67.5Intense
77.5Intense
87.5Intense
97.5Intense
107.4Intense
117.4Intense
127.4Intense
137.4Intense
147.4Intense
157.3Intense
167.3Intense
177.3Intense
187.3Intense
197.2Intense
207.2Intense
217.2Intense
227.1Intense
237.1Intense
247.0Intense
257.0Intense
266.9Intense
276.9Intense
286.8Intense
296.8Intense
306.8Intense
316.7Intense
Planning a trip in January

Is January a good time to visit Santa Clara del Mar?

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

7.4
Sightseeing
1st-best month of the year
6.5
Beach & pool
1st-best month of the year

January is one of the better times to visit Santa Clara del Mar for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Santa Clara del Mar in January

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

In January, Santa Clara del Mar sees daytime highs around 25°C and nights near 17°C. Pack sun protection. Worth having: light clothes and rain gear. About 9 days see rain.

sun protectionlight clothesrain gear

Sea temperature near Santa Clara del Mar in January

The nearest coast averages about 20°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in February at about 21°C and coldest in August near 10°C.

It's comfortable for a long swim from Jan 21 to Mar 13 — about 1.7 months when the water holds above 20°C.

10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan20Cool
Feb21Refreshing
Mar20Refreshing
Apr18Cool
May15Cool
Jun13Bracing
Jul11Bracing
Aug10Bracing
Sep11Bracing
Oct13Bracing
Nov15Cool
Dec18Cool

UV index in Santa Clara del Mar 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 Santa Clara del Mar peaks around December 22 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 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateVery highExtremeDec 22UV 12Jun 20UV 2
UV index (midday)Level
Jan12Extreme
Feb11Extreme
Mar8Very high
Apr5High
May3Moderate
Jun2Low
Jul2Moderate
Aug3Moderate
Sep5Moderate
Oct7Very high
Nov10Extreme
Dec12Extreme
Location & terrain

Where is Santa Clara del Mar?

Santa Clara del Mar sits at 37.8°S, 57.5°W, 10 m above sea level, in Argentina. The nearest listed city is Mar del Plata, 19 km away.

Topography around Santa Clara del Mar

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santa Clara del Mar.

Within 3 km, the terrain around Santa Clara del Mar has only modest variations in elevation — a maximum elevation change of 35 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 52 m; within 80 km, significant variations in elevation — a maximum elevation change of 384 m.

The land around Santa Clara del Mar is covered by water (30%), grassland (25%) and cropland (21%) within 3 km, water (42%), cropland (27%) and grassland (24%) within 16 km, and grassland (34%), water (32%) and cropland (29%) within 80 km.

3 km
35 m
16 km
52 m
80 km
384 m
treesgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Mar del Plata 19 km · Miramar 57 km · Balcarce 66 km · Villa Gesell 79 km · General Juan Madariaga 98 km · Pinamar 98 km · Ayacucho 115 km · Necochea 134 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 Santa Clara del Mar (-37.8344°, -57.5075°, elevation 10 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).