Miramar weather in January

In January, Miramar sees average daytime highs of 23°C and overnight lows near 17°C, with 73 mm of rain across 8.3 wet days and about 14.4 hours of daylight. It is the 1st-warmest and 6th-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 51% 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 Miramar's 1st-clearest and 7th-windiest month. For the whole year in context, see Miramar's year-round climate.

Daytime high
23°
1st warmest
Overnight low
17°
11th coldest
Rainfall
73 mm
8.3 wet days
Daylight
14 h 24 min
5:49 AM – 8:12 PM
Cloud cover
43%
1st clearest
Wind
21 km/h
7th windiest
Solar energy
7.4 kWh/m²
Travel score
7.4
out of 10

Miramar is city located on the coast of the Atlantic Ocean in Buenos Aires Province.

Founded
1888

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 Miramar reaches about 23°C in the afternoon and slips back to 17°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 27°C. Set against its neighbours, January runs about 2°C warmer than December and on par with February.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12317
22317
32317
42317
52317
62317
72317
82317
92317
102317
112317
122317
132317
142317
152317
162317
172317
182317
192317
202317
212317
222317
232317
242317
252317
262317
272317
282317
292317
302317
312317

Miramar weather by month

How January compares with the rest of the year at a glance. January is the 1st-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan23° / 17°738.314.47.4
Feb23° / 17°767.713.57.2
Mar21° / 16°748.412.36.9
Apr18° / 14°798.9116.1
May15° / 11°537.5104.9
Jun13° / 647.99.43.5
Jul11° / 6089.63.0
Aug12° / 637.310.53.5
Sep13° / 617.811.73.9
Oct15° / 10°788.9134.9
Nov18° / 13°77914.16.2
Dec21° / 15°677.714.67.1

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 16% of January, with mostly cloudy or overcast conditions the remaining 33%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16733
26733
36733
46733
56733
66733
76733
86733
96733
106733
116832
126832
136832
146931
156931
166931
176931
186931
196832
206832
216832
226832
236733
246733
256832
266634
276634
286634
296535
306436
316436

Chance of precipitation in January

Any precipitation

Miramar gets around 73 mm of rain over 8.3 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 28% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
126
226
326
426
527
627
727
827
927
1027
1127
1227
1327
1427
1527
1626
1726
1826
1926
2026
2126
2226
2326
2426
2527
2627
2727
2827
2928
3028
3128

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 33% of days. Sticky, muggy-or-worse air turns up on roughly 17% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1242836120
2242835130
3242835130
4242835130
5242834130
6252834130
7252833130
8252933130
9262932140
10262932140
11262932140
12262932140
13262932140
14262832140
15252832140
16252733150
17252733150
18252633160
19242633170
20242533170
21232534180
22232534190
23222434190
24222434200
25222433201
26222333211
27222333221
28222332221
29232331231
30232231231
31242230231

Wind in January

Winds average 21 km/h in January.

Across January, daily wind ranges from about 21 km/h on the calmest days to 21 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
121breezy
221breezy
321breezy
421breezy
521breezy
621breezy
721breezy
821breezy
921breezy
1021breezy
1121breezy
1221breezy
1321breezy
1421breezy
1521breezy
1621breezy
1721breezy
1821breezy
1921breezy
2021breezy
2121breezy
2221breezy
2321breezy
2421breezy
2521breezy
2621breezy
2721breezy
2821breezy
2921breezy
3021breezy
3121breezy

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 8:13 PM to 8:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.65:368:13
214.65:378:13
314.65:378:13
414.65:388:14
514.65:398:14
614.65:408:14
714.65:418:14
814.55:418:14
914.55:428:14
1014.55:438:13
1114.55:448:13
1214.55:458:13
1314.45:468:13
1414.45:478:13
1514.45:488:13
1614.45:498:12
1714.45:508:12
1814.35:518:12
1914.35:528:11
2014.35:538:11
2114.35:548:10
2214.25:558:10
2314.25:568:09
2414.25:578:09
2514.25:588:08
2614.15:598:08
2714.16:018:07
2814.16:028:07
2914.16:038:06
3014.06:048:05
3114.06:058:04

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 7.4 kWh/m².

For context, solar energy here swings from a low near 1.89 kWh/m² to a high of 7.62 kWh/m² in December across the year — January's 7.4 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
107.6Intense
117.6Intense
127.6Intense
137.5Intense
147.5Intense
157.5Intense
167.5Intense
177.5Intense
187.4Intense
197.4Intense
207.3Intense
217.3Intense
227.3Intense
237.2Intense
247.2Intense
257.1Intense
267.1Intense
277.0Intense
287.0Intense
297.0Intense
306.9Intense
316.9Intense
Planning a trip in January

Is January a good time to visit Miramar?

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
5.5
Beach & pool
1st-best month of the year

January is one of the better times to visit Miramar for general sightseeing.

What to pack for Miramar in January

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

In January, Miramar sees daytime highs around 23°C and nights near 17°C. Pack sun protection. Worth having: light clothes, rain gear and a windbreaker. About 8 days see rain.

sun protectionlight clothesrain geara windbreaker

Sea temperature near Miramar 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 20°C and coldest in August near 10°C.

It's comfortable for a long swim from Feb 7 to Feb 26 — about 0.7 months when the water holds above 20°C.

10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan20Cool
Feb20Refreshing
Mar20Cool
Apr18Cool
May15Cool
Jun13Bracing
Jul11Bracing
Aug10Bracing
Sep11Bracing
Oct12Bracing
Nov15Bracing
Dec17Cool

UV index in Miramar in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Miramar peaks around December 21 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateModerateVery highExtremeDec 21UV 12Jun 20UV 2
UV index (midday)Level
Jan11Extreme
Feb11Extreme
Mar8Very high
Apr5High
May3Moderate
Jun2Low
Jul2Moderate
Aug3Moderate
Sep5Moderate
Oct7Very high
Nov10Extreme
Dec12Extreme
Location & terrain

Where is Miramar?

Miramar sits at 38.3°S, 57.8°W, 14 m above sea level, in Argentina. The nearest listed city is Mar del Plata, 39 km away.

Topography around Miramar

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

Within 3 km, the terrain around Miramar has only modest variations in elevation — a maximum elevation change of 43 m around an average of 10 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 69 m; within 80 km, significant variations in elevation — a maximum elevation change of 386 m.

The land around Miramar is covered by water (30%) and grassland (24%) within 3 km, water (47%) and cropland (37%) within 16 km, and cropland (38%), water (38%) and grassland (22%) within 80 km.

3 km
43 m
16 km
69 m
80 km
386 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Mar del Plata 39 km · Santa Clara del Mar 57 km · Balcarce 60 km · Necochea 85 km · Villa Gesell 135 km · Ayacucho 137 km · General Juan Madariaga 154 km · Pinamar 155 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 Miramar (-38.2716°, -57.8389°, elevation 14 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).