Pérez weather in January

In January, Pérez sees average daytime highs of 30°C and overnight lows near 19°C, with 102 mm of rain across 8.1 wet days and about 13.9 hours of daylight. It is the 1st-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 50% of the time in January, and the air most often feels muggy.

Daylight stretches from about 14 h 06 min at the start of January to 13 h 36 min by month's end. Set against the rest of the year, January is Pérez's 1st-clearest and 10th-windiest month. For the whole year in context, see Pérez's year-round climate.

Daytime high
30°
1st warmest
Overnight low
19°
12th coldest
Rainfall
102 mm
8.1 wet days
Daylight
14 hours
6:14 AM – 8:11 PM
Cloud cover
43%
1st clearest
Wind
10 km/h
10th windiest
Solar energy
7.24 kWh/m²
Travel score
5.5
out of 10

Pérez is city in Argentina.

Density
365/km²
people per km²

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 30°C through the month.

A typical January day in Pérez reaches about 30°C in the afternoon and slips back to 19°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 34°C. Set against its neighbours, January runs about 1°C warmer than December and about 1°C warmer than February.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13019
23019
33019
43019
53019
63019
73019
83019
93019
103019
113019
123019
133019
143019
153019
163019
173019
183019
193019
203019
213019
223019
233019
243019
253019
263019
273019
283019
293019
302919
312919

Pérez weather by month

How January compares with the rest of the year at a glance. January is the 1st-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 19°1028.113.95.5
Feb29° / 18°1118.513.26.0
Mar27° / 17°1267.612.37.1
Apr23° / 13°1037.911.27.4
May19° / 10°66610.36.8
Jun16° / 404.69.95.9
Jul16° / 365105.6
Aug18° / 534.610.86.9
Sep21° / 10°615.811.87.2
Oct24° / 13°1119.712.87.1
Nov26° / 15°1158.313.77.1
Dec29° / 18°1048.614.16.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% 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 34%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16238
26238
36238
46238
56238
66337
76436
86535
96535
106634
116634
126733
136733
146733
156832
166832
176832
186832
196832
206832
216832
226832
236733
246733
256733
266634
276634
286535
296535
306436
316436

Chance of precipitation in January

Any precipitation

Pérez gets around 102 mm of rain over 8.1 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 27% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
127
227
327
427
528
628
728
828
928
1028
1128
1227
1327
1427
1526
1626
1726
1825
1925
2025
2125
2225
2325
2425
2526
2626
2727
2828
2928
3029
3130

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the muggy band about 32% of days. Sticky, muggy-or-worse air turns up on roughly 47% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
18202630151
28202631151
38202631151
48192631151
58192631151
68192632151
78192632151
88182632151
98182732141
108182732140
119172732140
129172833140
139162833130
149162933130
159162933130
169162933130
179153033130
189153033130
199153033130
209153033131
218153033131
228153033131
238153033141
248142933141
258142933141
268142833151
278142833151
289142733151
299152733161
309152633161
318152633161

Wind in January

Winds average 10 km/h in January.

Across January, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 14 h 06 min at the start of January to 13 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over January. Sunrise moves from 6:02 AM to 6:27 AM, and sunset from 8:11 PM to 8:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.16:028:11
214.16:038:11
314.16:038:11
414.16:048:11
514.16:058:11
614.16:068:11
714.16:068:11
814.16:078:12
914.16:088:12
1014.06:098:12
1114.06:098:12
1214.06:108:11
1314.06:118:11
1414.06:128:11
1514.06:138:11
1614.06:148:11
1713.96:158:11
1813.96:158:11
1913.96:168:10
2013.96:178:10
2113.96:188:10
2213.86:198:10
2313.86:208:09
2413.86:218:09
2513.86:228:08
2613.86:238:08
2713.76:248:08
2813.76:258:07
2913.76:268:07
3013.76:268:06
3113.66:278:05

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 2.36 kWh/m² to a high of 7.31 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
17.2Intense
27.2Intense
37.2Intense
47.2Intense
57.2Intense
67.3Intense
77.3Intense
87.3Intense
97.3Intense
107.3Intense
117.3Intense
127.3Intense
137.3Intense
147.3Intense
157.3Intense
167.3Intense
177.3Intense
187.3Intense
197.3Intense
207.3Intense
217.3Intense
227.2Intense
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 Pérez?

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

5.5
Sightseeing
12th-best month of the year
7.4
Beach & pool
1st-best month of the year

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

What to pack for Pérez in January

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

In January, Pérez sees daytime highs around 30°C and nights near 19°C. Pack light clothes and sun protection. Worth having: rain gear. About 8 days see rain.

light clothessun protectionrain gear

UV index in Pérez in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Pérez peaks around January 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 15UV 13Jun 21UV 3
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar10Extreme
Apr6High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct9Very high
Nov11Extreme
Dec12Extreme

Air quality in Pérez in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Pérez is worst in August — around 20 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (April, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 2220 µg/m³Apr 157 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb8Good
Mar8Good
Apr7Good
May8Good
Jun10Good
Jul13Moderate
Aug20Moderate
Sep19Moderate
Oct10Good
Nov8Good
Dec8Good
Location & terrain

Where is Pérez?

Pérez sits at 33.0°S, 60.8°W, 37 m above sea level, in Argentina. The nearest listed city is Gobernador Gálvez, 12 km away.

Topography around Pérez

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

Within 3 km, the terrain around Pérez has only modest variations in elevation — a maximum elevation change of 29 m around an average of 34 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 65 m; within 80 km, only modest variations in elevation — a maximum elevation change of 121 m.

The land around Pérez is covered by cropland (59%) within 3 km, cropland (52%) and artificial surfaces (20%) within 16 km, and cropland (63%) and wetland (22%) within 80 km.

3 km
29 m
16 km
65 m
80 km
121 m
treesgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Gobernador Gálvez 12 km · Rosario 13 km · Granadero Baigorria 16 km · Capitán Bermúdez 20 km · Arroyo Seco 29 km · Casilda 37 km · Carcarañá 39 km · Villa Constitución 48 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 Pérez (-32.9984°, -60.7679°, elevation 37 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).