Treinta y Tres weather in March

In March, Treinta y Tres sees average daytime highs of 27°C and overnight lows near 16°C, with 82 mm of rain across 8.7 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 28°C in the first days to 25°C by the end. The sky is clear or mostly clear about 34% of the time in March, and the air most often feels humid.

Daylight stretches from about 12 h 48 min at the start of March to 11 h 42 min by month's end. Set against the rest of the year, March is Treinta y Tres's 4th-clearest and 11th-windiest month. For the whole year in context, see Treinta y Tres's year-round climate.

Daytime high
27°
4th warmest
Overnight low
16°
10th coldest
Rainfall
82 mm
8.7 wet days
Daylight
12 h 18 min
7:40 AM – 7:55 PM
Cloud cover
55%
4th clearest
Wind
12 km/h
11th windiest
Solar energy
4.79 kWh/m²
Travel score
6.8
out of 10

Treinta y Tres is city of Treinta y Tres Department, Uruguay.

Density
1,429/km²
people per km²
Founded
1853

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 28°C in the first days to 25°C by the end.

A typical March day in Treinta y Tres reaches about 27°C in the afternoon and slips back to 16°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 30°C. Set against its neighbours, March runs about 2°C cooler than February and about 3°C warmer than April.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12818
22818
32818
42817
52717
62717
72717
82717
92717
102717
112717
122717
132717
142717
152717
162717
172616
182616
192616
202616
212616
222616
232616
242616
252616
262616
272515
282515
292515
302515
312515

Treinta y Tres weather by month

How March compares with the rest of the year at a glance. March is the 4th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 18°838.513.95.8
Feb28° / 18°948.913.26.1
Mar27° / 16°828.712.36.8
Apr23° / 14°1088.711.27.0
May19° / 10°97710.36.6
Jun17° / 918.19.85.5
Jul16° / 898105.3
Aug18° / 1038.210.86.1
Sep19° / 998.611.86.3
Oct22° / 12°1121012.86.6
Nov25° / 14°928.113.77.2
Dec28° / 16°878.414.26.6

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 19% of March, with mostly cloudy or overcast conditions the remaining 48%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25149
35149
45248
55248
65248
75347
85347
95347
105347
115347
125347
135347
145248
155248
165248
175248
185248
195248
205248
215248
225248
235248
245248
255248
265347
275347
285347
295347
305446
315446

Chance of precipitation in March

Any precipitation

Treinta y Tres gets around 82 mm of rain over 8.7 wet days in March, the driest 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 30% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
130
229
329
429
529
630
730
830
930
1030
1130
1230
1330
1429
1529
1629
1729
1828
1928
2028
2127
2227
2327
2426
2526
2626
2726
2827
2927
3027
3128

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the humid band about 27% of days. Sticky, muggy-or-worse air turns up on roughly 34% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11119273013
21119273013
31119272913
41119272914
51119272914
61220272814
71220272813
81219272813
91319272813
101319272812
111420272812
121420272811
131520272810
14162027289
15162127288
16172127287
17182227276
18192227275
19202227274
20212227264
21212227263
22222228253
23232228252
24232228242
25242328242
26242328241
27252328231
28252328231
29262328231
30272228221
31272227221

Wind in March

Winds average 12 km/h in March.

Across March, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412calm
2512calm
2612calm
2712calm
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 12 h 48 min at the start of March to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over March. Sunrise moves from 7:28 AM to 7:51 AM, and sunset from 8:14 PM to 7:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.87:288:14
212.77:288:13
312.77:298:12
412.77:308:10
512.67:318:09
612.67:328:08
712.67:338:07
812.57:338:05
912.57:348:04
1012.57:358:03
1112.47:368:01
1212.47:368:00
1312.47:377:59
1412.37:387:58
1512.37:397:56
1612.37:407:55
1712.27:407:54
1812.27:417:52
1912.17:427:51
2012.17:437:49
2112.17:437:48
2212.07:447:47
2312.07:457:45
2412.07:467:44
2511.97:467:43
2611.97:477:41
2711.97:487:40
2811.87:487:38
2911.87:497:37
3011.87:507:36
3111.77:517:34

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.79 kWh/m².

For context, solar energy here swings from a low near 2.21 kWh/m² to a high of 7 kWh/m² in December across the year — March's 4.79 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.1Bright
75.1Bright
85.1Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
134.9Bright
144.9Bright
154.8Bright
164.8Bright
174.8Bright
184.7Bright
194.7Bright
204.6Bright
214.6Bright
224.6Bright
234.5Bright
244.5Bright
254.4Bright
264.4Bright
274.4Bright
284.3Bright
294.3Bright
304.2Bright
314.2Bright
Planning a trip in March

Is March a good time to visit Treinta y Tres?

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

6.8
Sightseeing
3rd-best month of the year
6.7
Beach & pool
4th-best month of the year

March is a reasonable time to visit Treinta y Tres for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Treinta y Tres in March

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

In March, Treinta y Tres sees daytime highs around 27°C and nights near 16°C. Worth packing: light clothes, rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Treinta y Tres in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Treinta y Tres 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
Feb12Extreme
Mar10Very high
Apr6High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct8Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Treinta y Tres?

Treinta y Tres sits at 33.2°S, 54.4°W, 55 m above sea level, in Uruguay. The nearest listed city is Melo, 98 km away.

MeloSanta Vitória do PalmarJaguarãoRochaMinasLa PalomaArroio GrandeSan Carlos

Topography around Treinta y Tres

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

Within 3 km, the terrain around Treinta y Tres has only modest variations in elevation — a maximum elevation change of 44 m around an average of 40 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 144 m; within 80 km, significant variations in elevation — a maximum elevation change of 375 m.

The land around Treinta y Tres is covered by grassland (38%), trees (35%) and artificial surfaces (24%) within 3 km, grassland (72%) within 16 km, and grassland (69%) within 80 km.

3 km
44 m
16 km
144 m
80 km
375 m
treesgrasslandcroplandartificial surfaceswaterwetland
March weather nearby: Melo 98 km · Santa Vitória do Palmar 100 km · Jaguarão 120 km · Rocha 139 km · Minas 150 km · La Paloma 161 km · Arroio Grande 164 km · San Carlos 180 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 Treinta y Tres (-33.231°, -54.3858°, elevation 55 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).