Dolores weather in January

In January, Dolores sees average daytime highs of 30°C and overnight lows near 19°C, with 98 mm of rain across 7.2 wet days and about 14 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 51% of the time in January, and the air most often feels muggy.

Daylight stretches from about 14 h 12 min at the start of January to 13 h 42 min by month's end. Set against the rest of the year, January is Dolores's 1st-clearest and 8th-windiest month. For the whole year in context, see Dolores's year-round climate.

Daytime high
30°
1st warmest
Overnight low
19°
12th coldest
Rainfall
98 mm
7.2 wet days
Daylight
14 hours
7:02 AM – 9:02 PM
Cloud cover
43%
1st clearest
Wind
13 km/h
8th windiest
Solar energy
7.27 kWh/m²
Travel score
5.5
out of 10

Dolores is city in Uruguay.

Density
2,564/km²
people per km²
Founded
1801

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 Dolores 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 26°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
303019
313019

Dolores 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°987.2145.5
Feb29° / 19°1118.113.26.0
Mar27° / 17°1147.712.37.1
Apr23° / 14°1218.411.27.2
May19° / 11°766.310.36.6
Jun16° / 696.89.85.5
Jul16° / 646.2105.2
Aug18° / 866.810.86.3
Sep20° / 10°817.111.86.7
Oct23° / 13°1229.612.87.0
Nov26° / 15°1037.113.77.3
Dec29° / 18°1157.914.26.2

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 14% of January, with mostly cloudy or overcast conditions the remaining 35%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16238
26337
36337
46436
56436
66436
76535
86436
96535
106634
116634
126535
136634
146634
156634
166634
176634
186634
196634
206733
216733
226733
236634
246634
256535
266436
276436
286436
296337
306337
316139

Chance of precipitation in January

Any precipitation

Dolores gets around 98 mm of rain over 7.2 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 24% and peaks near 29% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
124
224
324
424
524
624
724
824
924
1024
1123
1223
1323
1422
1522
1622
1721
1821
1921
2021
2122
2222
2322
2423
2524
2624
2725
2826
2927
3028
3129

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 31% of days. Sticky, muggy-or-worse air turns up on roughly 41% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
114202530101
213202530110
313192630110
413192630110
513192630110
613192731100
713192730100
813192730100
914192730100
1014192830100
111419283090
121419283090
131319283090
141319293080
151319293080
161319293080
171319293180
181319293180
191319293180
201319293180
211319283281
221219283281
231219283281
241218283391
251118283391
261118273391
2711172733101
2811172733101
2910172733111
3010172732121
3110182732121

Wind in January

Winds average 13 km/h in January.

Across January, daily wind ranges from about 13 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light 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
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 14 h 12 min at the start of January to 13 h 42 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 6:50 AM to 7:16 AM, and sunset from 9:02 PM to 8:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.26:509:02
214.26:519:02
314.26:529:02
414.26:529:02
514.26:539:02
614.16:549:02
714.16:559:03
814.16:569:03
914.16:569:03
1014.16:579:03
1114.16:589:03
1214.16:599:03
1314.07:009:02
1414.07:019:02
1514.07:019:02
1614.07:029:02
1714.07:039:02
1814.07:049:02
1913.97:059:01
2013.97:069:01
2113.97:079:01
2213.97:089:00
2313.97:099:00
2413.87:109:00
2513.87:108:59
2613.87:118:59
2713.87:128:58
2813.77:138:58
2913.77:148:57
3013.77:158:57
3113.77:168:56

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 7.27 kWh/m².

For context, solar energy here swings from a low near 2.3 kWh/m² to a high of 7.41 kWh/m² in December across the year — January's 7.27 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.3Intense
27.3Intense
37.3Intense
47.4Intense
57.4Intense
67.4Intense
77.4Intense
87.4Intense
97.4Intense
107.4Intense
117.4Intense
127.4Intense
137.4Intense
147.4Intense
157.4Intense
167.4Intense
177.3Intense
187.3Intense
197.3Intense
207.3Intense
217.3Intense
227.2Intense
237.2Intense
247.1Intense
257.1Intense
267.0Intense
277.0Intense
287.0Intense
296.9Intense
306.8Intense
316.8Intense
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).

5.5
Sightseeing
10th-best month of the year
7.5
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 30°C and nights near 19°C. Pack light clothes and sun protection. About 7 days see rain.

light clothessun protection

Sea temperature near Dolores in January

The nearest coast averages about 25°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 67 km away) is warmest in January at about 25°C and coldest in July near 13°C.

It's comfortable for a long swim from Nov 8 to Apr 22 — about 5.5 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb25Warm
Mar24Refreshing
Apr21Refreshing
May17Cool
Jun14Bracing
Jul13Bracing
Aug14Bracing
Sep15Cool
Oct18Cool
Nov21Refreshing
Dec23Refreshing

UV index in Dolores 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 Dolores peaks around January 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 15UV 13Jun 18UV 3
UV index (midday)Level
Jan13Extreme
Feb11Extreme
Mar10Very high
Apr6High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct8Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Dolores?

Dolores sits at 33.5°S, 58.2°W, 22 m above sea level, in Uruguay. The nearest listed city is Mercedes, 35 km away.

MercedesFray BentosCarmeloGualeguaychúTigreYoung

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 30 m around an average of 12 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 71 m; within 80 km, only modest variations in elevation — a maximum elevation change of 165 m.

The land around Dolores is covered by cropland (37%) and grassland (25%) within 3 km, cropland (68%) within 16 km, and cropland (37%) and grassland (26%) within 80 km.

3 km
30 m
16 km
71 m
80 km
165 m
treesgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Mercedes 35 km · Fray Bentos 47 km · Carmelo 53 km · Gualeguaychú 64 km · Zárate 98 km · Campana 98 km · Tigre 105 km · Young 108 km

Uruguay travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F / I / L
230 V · 50 Hz
Prices
≈ 66% of US
price level, 2025
GDP per capita
$25,216
2025
Happiness
6.6 / 10
World Happiness, 2025
Homicide rate
11.2
per 100k, 2023
Road deaths
14.8
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 542
Religion
none 47%Roman Catholic 37%Protestant 15%atheist 10%

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 (-33.5301°, -58.217°, elevation 22 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).