Dolores weather in January

In January, Dolores sees average daytime highs of 28°C and overnight lows near 17°C, with 94 mm of rain across 8.8 wet days and about 14.2 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°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 24 min at the start of January to 13 h 54 min by month's end. Set against the rest of the year, January is Dolores's 1st-clearest and 6th-windiest month. For the whole year in context, see Dolores's year-round climate.

Daytime high
28°
1st warmest
Overnight low
17°
12th coldest
Rainfall
94 mm
8.8 wet days
Daylight
14 h 12 min
5:53 AM – 8:07 PM
Cloud cover
45%
1st clearest
Wind
14 km/h
6th windiest
Solar energy
7.15 kWh/m²
Travel score
6.8
out of 10

Dolores is city in the province of Buenos Aires in Argentina.

Founded
1817

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 28°C through the month.

A typical January day in Dolores reaches about 28°C in the afternoon and slips back to 17°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 32°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)
12817
22817
32817
42817
52817
62817
72817
82817
92817
102817
112817
122817
132817
142817
152817
162817
172817
182817
192817
202817
212817
222817
232817
242817
252817
262817
272717
282717
292717
302717
312717

Dolores weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 17°948.814.26.8
Feb27° / 17°878.213.46.9
Mar25° / 15°818.212.37.4
Apr21° / 12°90711.17.0
May17° / 526.410.16.1
Jun14° / 595.79.64.6
Jul13° / 596.19.84.1
Aug16° / 656.210.65.2
Sep17° / 726.711.86.0
Oct20° / 10°939.712.96.4
Nov23° / 13°878.913.97.1
Dec27° / 15°79914.47.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% 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 36%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26337
36337
46337
56337
66436
76436
86436
96535
106535
116535
126535
136535
146535
156634
166535
176535
186535
196535
206535
216436
226436
236436
246337
256337
266337
276238
286139
296238
306139
316040

Chance of precipitation in January

Any precipitation

Dolores gets around 94 mm of rain over 8.8 wet days in January, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 28% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
131
231
331
431
531
630
730
830
929
1029
1129
1228
1328
1427
1527
1626
1726
1826
1926
2025
2126
2226
2326
2427
2527
2628
2728
2829
2930
3031
3131

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 29% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1212131242
2202132242
3202231242
4202231242
5212231242
6212330242
7212330242
8212330242
9222329232
10222329232
11222429232
12222429232
13222329242
14222329242
15222329242
16222229252
17222229252
18222129262
19222129272
20222028272
21222028282
22221928293
23211828293
24211828303
25211828303
26201728313
27201728314
28201728314
29201727314
30201727314
31201727315

Wind in January

Winds average 14 km/h in January.

Across January, daily wind ranges from about 13 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
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light 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 24 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 30 minutes over January. Sunrise moves from 5:41 AM to 6:08 AM, and sunset from 8:07 PM to 8:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.45:418:07
214.45:428:07
314.45:428:07
414.45:438:07
514.45:448:07
614.45:458:08
714.45:458:08
814.45:468:08
914.35:478:08
1014.35:488:08
1114.35:498:07
1214.35:508:07
1314.35:518:07
1414.35:528:07
1514.25:528:07
1614.25:538:07
1714.25:548:06
1814.25:558:06
1914.25:568:06
2014.15:578:05
2114.15:588:05
2214.15:598:05
2314.16:008:04
2414.06:018:04
2514.06:028:03
2614.06:038:03
2714.06:048:02
2813.96:058:02
2913.96:068:01
3013.96:078:00
3113.96:088:00

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 7.15 kWh/m².

For context, solar energy here swings from a low near 2.08 kWh/m² to a high of 7.42 kWh/m² in December across the year — January's 7.15 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.3Intense
27.3Intense
37.3Intense
47.3Intense
57.3Intense
67.3Intense
77.3Intense
87.3Intense
97.3Intense
107.3Intense
117.3Intense
127.3Intense
137.3Intense
147.3Intense
157.3Intense
167.2Intense
177.2Intense
187.2Intense
197.2Intense
207.1Intense
217.1Intense
227.1Intense
237.0Intense
247.0Intense
256.9Intense
266.9Intense
276.8Intense
286.8Intense
296.7Intense
306.7Intense
316.6Intense
Planning a trip in January

Is January a good time to visit Dolores?

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

6.8
Sightseeing
6th-best month of the year
7.1
Beach & pool
1st-best month of the year

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

What to pack for Dolores in January

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

In January, Dolores sees daytime highs around 28°C and nights near 17°C. Pack light clothes and sun protection. Worth having: rain gear. About 9 days see rain.

light clothessun protectionrain gear

Sea temperature near Dolores in January

The nearest coast averages about 23°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 54 km away) is warmest in January at about 23°C and coldest in July near 11°C.

It's comfortable for a long swim from Dec 1 to Apr 5 — about 4.1 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan23Refreshing
Feb23Refreshing
Mar22Refreshing
Apr19Cool
May16Cool
Jun13Bracing
Jul11Bracing
Aug11Bracing
Sep13Bracing
Oct16Cool
Nov19Cool
Dec21Refreshing

UV index in Dolores 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 Dolores peaks around January 13 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 13UV 12Jun 20UV 2
UV index (midday)Level
Jan12Extreme
Feb11Extreme
Mar9Very high
Apr6High
May3Moderate
Jun2Moderate
Jul3Moderate
Aug4Moderate
Sep5High
Oct7Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Dolores?

Dolores sits at 36.3°S, 57.7°W, 9 m above sea level, in Argentina. The nearest listed city is Chascomús, 88 km away.

Topography around Dolores

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

Within 3 km, the terrain around Dolores has only modest variations in elevation — a maximum elevation change of 19 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 31 m; within 80 km, only modest variations in elevation — a maximum elevation change of 59 m.

The land around Dolores is covered by grassland (63%) and artificial surfaces (20%) within 3 km, grassland (78%) within 16 km, and grassland (68%) within 80 km.

3 km
19 m
16 km
31 m
80 km
59 m
treesgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Chascomús 88 km · General Juan Madariaga 90 km · Santa Teresita 91 km · Mar del Tuyú 92 km · General Belgrano 96 km · Mar de Ajó 100 km · Pinamar 114 km · Ayacucho 118 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 Dolores (-36.3154°, -57.6755°, elevation 9 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).