Necochea weather in January

In January, Necochea sees average daytime highs of 25°C and overnight lows near 16°C, with 75 mm of rain across 9.3 wet days and about 14.4 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 52% of the time in January, and the air most often feels dry.

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 Necochea's 1st-clearest and 6th-windiest month. For the whole year in context, see Necochea's year-round climate.

Daytime high
25°
1st warmest
Overnight low
16°
11th coldest
Rainfall
75 mm
9.3 wet days
Daylight
14 h 24 min
5:52 AM – 8:17 PM
Cloud cover
41%
1st clearest
Wind
18 km/h
6th windiest
Solar energy
7.46 kWh/m²
Travel score
7.3
out of 10

Necochea is city in Buenos Aires Province, Argentina.

Founded
1881

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 25°C through the month.

A typical January day in Necochea reaches about 25°C in the afternoon and slips back to 16°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 30°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)
12516
22516
32516
42516
52516
62516
72516
82516
92516
102516
112516
122516
132516
142516
152516
162516
172516
182516
192516
202516
212516
222517
232517
242517
252517
262517
272517
282517
292517
302517
312517

Necochea 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° / 16°759.314.47.3
Feb24° / 17°72813.57.4
Mar23° / 15°738.212.37.2
Apr19° / 12°778.8116.5
May16° / 10°537.49.95.2
Jun13° / 547.69.43.8
Jul12° / 527.79.63.3
Aug13° / 577.210.54.0
Sep15° / 567.911.74.6
Oct17° / 10°738.6135.7
Nov20° / 12°839.814.16.6
Dec23° / 15°65814.67.5

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 52% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 17% of January, with mostly cloudy or overcast conditions the remaining 31%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16931
26931
36832
46832
56832
66832
76832
86832
96832
106832
116931
126931
137030
147030
157030
167030
177030
187030
197030
207129
217129
227129
237129
247129
257129
267129
277030
287030
296931
306931
316832

Chance of precipitation in January

Any precipitation

Necochea gets around 75 mm of rain over 9.3 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 29% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
129
229
329
430
530
630
730
830
929
1029
1129
1229
1329
1429
1529
1628
1728
1828
1928
2028
2128
2229
2329
2429
2530
2630
2730
2831
2931
3031
3131

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 33% 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 (%)
135293060
235293060
335293060
436282970
536282970
636282970
736292870
836292870
936292770
1036302770
1136302670
1236312670
1336312680
1435312680
1535312680
1634312690
17333027100
18333027100
19323028110
20312928110
21302928120
22302929120
23292829130
24292830130
25292730131
26292730131
27292630141
28302530141
29302530141
30312530141
31312429141

Wind in January

Winds average 18 km/h in January.

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

0510152025151015202531
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light 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 5:39 AM to 6:08 AM, and sunset from 8:18 PM to 8:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.65:398:18
214.65:398:18
314.65:408:18
414.65:418:18
514.65:428:18
614.65:438:18
714.65:438:18
814.65:448:18
914.55:458:18
1014.55:468:18
1114.55:478:18
1214.55:488:18
1314.55:498:17
1414.55:508:17
1514.45:518:17
1614.45:528:17
1714.45:538:16
1814.45:548:16
1914.35:558:16
2014.35:568:15
2114.35:578:15
2214.35:588:14
2314.25:598:14
2414.26:008:13
2514.26:018:13
2614.26:028:12
2714.16:038:11
2814.16:058:11
2914.16:068:10
3014.06:078:09
3114.06:088:09

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 7.46 kWh/m².

For context, solar energy here swings from a low near 1.87 kWh/m² to a high of 7.64 kWh/m² in December across the year — January's 7.46 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
137.6Intense
147.6Intense
157.6Intense
167.5Intense
177.5Intense
187.5Intense
197.5Intense
207.4Intense
217.4Intense
227.3Intense
237.3Intense
247.3Intense
257.2Intense
267.2Intense
277.1Intense
287.1Intense
297.0Intense
307.0Intense
316.9Intense
Planning a trip in January

Is January a good time to visit Necochea?

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

7.3
Sightseeing
3rd-best month of the year
6.6
Beach & pool
1st-best month of the year

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

What to pack for Necochea in January

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

In January, Necochea sees daytime highs around 25°C and nights near 16°C. Pack sun protection. Worth having: light clothes and rain gear. About 9 days see rain.

sun protectionlight clothesrain gear

Sea temperature near Necochea 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 at the nearest coast (about 13 km away) is warmest in February at about 20°C and coldest in August near 10°C.

It's comfortable for a long swim from Feb 3 to Mar 1 — about 0.9 months when the water holds above 20°C.

10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan20Cool
Feb20Refreshing
Mar20Cool
Apr18Cool
May16Cool
Jun13Bracing
Jul11Bracing
Aug10Bracing
Sep11Bracing
Oct12Bracing
Nov15Bracing
Dec17Cool

UV index in Necochea 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 Necochea peaks around December 20 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 20UV 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 Necochea?

Necochea sits at 38.6°S, 58.7°W, 19 m above sea level, in Argentina. The nearest listed city is Miramar, 85 km away.

Topography around Necochea

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

Within 3 km, the terrain around Necochea has only modest variations in elevation — a maximum elevation change of 29 m around an average of 15 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 59 m; within 80 km, significant variations in elevation — a maximum elevation change of 409 m.

The land around Necochea is covered by artificial surfaces (52%) and grassland (33%) within 3 km, cropland (50%) and water (34%) within 16 km, and cropland (51%) and water (33%) within 80 km.

3 km
29 m
16 km
59 m
80 km
409 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Miramar 85 km · Balcarce 89 km · Mar del Plata 120 km · Santa Clara del Mar 134 km · Tres Arroyos 135 km · Benito Juárez 135 km · Tandil 141 km · Ayacucho 157 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 Necochea (-38.5545°, -58.7396°, elevation 19 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).