Las Piedras weather in January

In January, Las Piedras sees average daytime highs of 27°C and overnight lows near 19°C, with 76 mm of rain across 7.2 wet days and about 14.1 hours of daylight. It is the 1st-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°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 18 min at the start of January to 13 h 42 min by month's end. Set against the rest of the year, January is Las Piedras's 1st-clearest and 7th-windiest month. For the whole year in context, see Las Piedras's year-round climate.

Daytime high
27°
1st warmest
Overnight low
19°
12th coldest
Rainfall
76 mm
7.2 wet days
Daylight
14 h 06 min
6:51 AM – 8:57 PM
Cloud cover
44%
1st clearest
Wind
15 km/h
7th windiest
Solar energy
7.27 kWh/m²
Travel score
7.1
out of 10

Las Piedras is city in Canelones Department, Uruguay.

Density
5,194/km²
people per km²
Founded
1744

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 27°C through the month.

A typical January day in Las Piedras reaches about 27°C in the afternoon and slips back to 19°C overnight — a 9°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 on par with February.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12718
22718
32718
42718
52718
62718
72718
82718
92718
102718
112718
122718
132718
142718
152718
162718
172718
182718
192719
202819
212819
222819
232819
242819
252819
262819
272719
282719
292719
302719
312719

Las Piedras weather by month

How January compares with the rest of the year at a glance. January is the 1st-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 19°767.214.17.1
Feb27° / 19°988.113.36.9
Mar25° / 17°968.312.37.3
Apr22° / 14°997.911.27.0
May18° / 11°807.410.26.2
Jun15° / 807.89.74.8
Jul14° / 847.49.94.4
Aug16° / 927.810.75.3
Sep17° / 10°847.911.85.9
Oct20° / 12°1139.312.96.5
Nov23° / 14°1018.113.87.3
Dec26° / 17°807.814.37.3

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 17% of January, with mostly cloudy or overcast conditions the remaining 35%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16436
26436
36436
46436
56436
66535
76535
86634
96535
106634
116634
126634
136634
146733
156733
166634
176634
186634
196634
206634
216634
226535
236634
246535
256535
266436
276436
286436
296337
306238
316238

Chance of precipitation in January

Any precipitation

Las Piedras gets around 76 mm of rain over 7.2 wet days in January, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 23% and peaks near 29% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
124
224
323
423
523
623
723
823
923
1023
1123
1223
1322
1422
1522
1622
1721
1821
1922
2022
2122
2222
2323
2423
2524
2625
2726
2827
2927
3028
3129

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 36% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1142228306
2132228306
3132228306
4132228297
5132328297
6132328287
7142329287
8142329277
9142329277
10142329277
11142329267
12142330267
13142330266
14142330266
15142330266
16142331276
17132331276
18132331276
19132330286
20132330286
21122330296
22122229306
23122229316
24112229317
25112129327
26112128327
27112028338
28112028338
29112028339
30112028329
311120283210

Wind in January

Winds average 15 km/h in January.

Across January, daily wind ranges from about 15 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2916light breeze
3015light breeze
3115light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 14 h 18 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 36 minutes over January. Sunrise moves from 6:39 AM to 7:06 AM, and sunset from 8:57 PM to 8:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.36:398:57
214.36:408:57
314.36:418:57
414.36:418:57
514.36:428:57
614.26:438:58
714.26:448:58
814.26:458:58
914.26:458:58
1014.26:468:58
1114.26:478:58
1214.26:488:57
1314.16:498:57
1414.16:508:57
1514.16:518:57
1614.16:518:57
1714.16:528:57
1814.16:538:56
1914.06:548:56
2014.06:558:56
2114.06:568:55
2214.06:578:55
2313.96:588:55
2413.96:598:54
2513.97:008:54
2613.97:018:53
2713.87:028:53
2813.87:038:52
2913.87:048:52
3013.87:058:51
3113.77:068:51

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 2.18 kWh/m² to a high of 7.47 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
17.4Intense
27.4Intense
37.4Intense
47.4Intense
57.4Intense
67.4Intense
77.4Intense
87.4Intense
97.4Intense
107.4Intense
117.4Intense
127.4Intense
137.4Intense
147.4Intense
157.3Intense
167.3Intense
177.3Intense
187.3Intense
197.3Intense
207.2Intense
217.2Intense
227.2Intense
237.1Intense
247.1Intense
257.0Intense
267.0Intense
276.9Intense
286.9Intense
296.8Intense
306.8Intense
316.7Intense
Planning a trip in January

Is January a good time to visit Las Piedras?

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

7.1
Sightseeing
4th-best month of the year
7.3
Beach & pool
1st-best month of the year

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

What to pack for Las Piedras in January

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

In January, Las Piedras sees daytime highs around 27°C and nights near 19°C. Pack light clothes and sun protection. About 7 days see rain.

light clothessun protection

Sea temperature near Las Piedras 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 18 km away) is warmest in February at about 24°C and coldest in July near 11°C.

It's comfortable for a long swim from Nov 27 to Apr 9 — about 4.4 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan23Refreshing
Feb24Refreshing
Mar22Refreshing
Apr19Cool
May16Cool
Jun13Bracing
Jul11Bracing
Aug12Bracing
Sep13Bracing
Oct16Cool
Nov19Cool
Dec22Refreshing

UV index in Las Piedras 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 Las Piedras peaks around January 17 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 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 17UV 12Jun 18UV 2
UV index (midday)Level
Jan13Extreme
Feb11Extreme
Mar10Very high
Apr6High
May3Moderate
Jun2Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct7Very high
Nov11Extreme
Dec11Extreme
Location & terrain

Where is Las Piedras?

Las Piedras sits at 34.7°S, 56.2°W, 72 m above sea level, in Uruguay. The nearest listed city is La Paz, 3.0 km away.

Topography around Las Piedras

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

Within 3 km, the terrain around Las Piedras has only modest variations in elevation — a maximum elevation change of 61 m around an average of 58 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 90 m; within 80 km, significant variations in elevation — a maximum elevation change of 375 m.

The land around Las Piedras is covered by grassland (39%) and artificial surfaces (39%) within 3 km, grassland (45%) within 16 km, and water (35%), grassland (32%) and cropland (23%) within 80 km.

3 km
61 m
16 km
90 m
80 km
375 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
January weather nearby: La Paz 3.0 km · Progreso 7.0 km · Delta del Tigre 14 km · Montevideo 19 km · Barros Blancos 20 km · Paso de Carrasco 21 km · Canelones 24 km · Pando 24 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 Las Piedras (-34.7302°, -56.2191°, elevation 72 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).