Treinta y Tres

Treinta y Tres (Spanish pronunciation: [ˈtɾejntaj ˈtɾes]) is the capital city of the Treinta y Tres Department in eastern Uruguay.

For other uses, see 33 (disambiguation).
Treinta y Tres
Capital city
Bridges over the River Olimar
Bridges over the River Olimar
Coat of arms of Treinta y Tres
Coat of arms
Treinta y Tres is located in Uruguay
Treinta y Tres
Treinta y Tres
Location in Uruguay
Coordinates: 33°14′0″S 54°23′0″W
Country Uruguay
Department Treinta y Tres
Population
 (2011 Census)
 • Total25,477
 • Demonym
olimareño-a
Time zoneUTC -3
Postal code
33000
Dial plan+598 445 (+5 digits)
ClimateCfa

History

Its name means "Thirty Three" and refers to the 19th-century national heroes, the 33 Orientales, who established the independence of Uruguay. Coincidentally, the city is located near the 33°S line of latitude, making the name doubly appropriate.

On 10 March 1853 it was declared a "Pueblo" (village) by the Act of Ley Nº 307 and on 20 September 1884 it was made capital of the department created by Ley Nº 1.754. According to the Act of Ley Nº 3.544, on 19 July 1909 it held the status of "Villa" (town), which was elevated to "Ciudad" (city) on 29 September 1915 by the Act of Ley 5.335.[1]

Population

In 2011, Treinta y Tres had a population of 25,477.[2] It is by far the largest town in what is a sparsely populated department. Together with Ejido de Treinta y Tres and the southwestern suburb of Villa Sara, they form a population centre of around 33,000 inhabitants.

Historical population
YearPop.±% p.a.
1908 7,718—    
1963 22,557+1.97%
1975 23,448+0.32%
1985 25,116+0.69%
YearPop.±% p.a.
1996 26,390+0.45%
2004 25,711−0.33%
2011 25,477−0.13%
Source: Instituto Nacional de Estadística de Uruguay[1]

Geography
Monument in town square, Treinta y tres

The city is located on Route 8, on the north banks of Olimar Grande River. The city is almost surrounded by a populated rural area, a zone of chacras (ranches), known as Ejido de Treinta y Tres.

Climate

The climate in this area is characterized by hot, humid summers and generally mild to cool winters. According to the Köppen Climate Classification system, Treinta y Tres has a humid subtropical climate, abbreviated "Cfa" on climate maps.[3]

Climate data for Treinta y Tres (1991–2020, extremes 1939–2020)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °C (°F) 41.1
(106.0)		 40.5
(104.9)		 40.2
(104.4)		 36.4
(97.5)		 31.2
(88.2)		 29.0
(84.2)		 31.2
(88.2)		 34.7
(94.5)		 35.0
(95.0)		 34.8
(94.6)		 39.7
(103.5)		 41.5
(106.7)		 41.5
(106.7)
Average high °C (°F) 30.0
(86.0)		 29.0
(84.2)		 27.5
(81.5)		 23.9
(75.0)		 20.1
(68.2)		 17.1
(62.8)		 16.5
(61.7)		 18.4
(65.1)		 19.8
(67.6)		 22.8
(73.0)		 25.8
(78.4)		 28.5
(83.3)		 23.3
(73.9)
Daily mean °C (°F) 23.9
(75.0)		 23.3
(73.9)		 21.7
(71.1)		 18.4
(65.1)		 14.9
(58.8)		 12.2
(54.0)		 11.6
(52.9)		 13.2
(55.8)		 14.6
(58.3)		 17.5
(63.5)		 19.9
(67.8)		 22.2
(72.0)		 17.8
(64.0)
Average low °C (°F) 17.8
(64.0)		 17.6
(63.7)		 16.0
(60.8)		 13.0
(55.4)		 9.8
(49.6)		 7.4
(45.3)		 6.7
(44.1)		 8.0
(46.4)		 9.4
(48.9)		 12.1
(53.8)		 14.0
(57.2)		 16.1
(61.0)		 12.3
(54.1)
Record low °C (°F) 1.8
(35.2)		 4.5
(40.1)		 2.0
(35.6)		 −1.2
(29.8)		 −2.8
(27.0)		 −7.6
(18.3)		 −4.6
(23.7)		 −4.0
(24.8)		 −4.2
(24.4)		 −1.2
(29.8)		 1.4
(34.5)		 1.0
(33.8)		 −7.6
(18.3)
Average precipitation mm (inches) 110.1
(4.33)		 121.2
(4.77)		 107.7
(4.24)		 137.8
(5.43)		 136.6
(5.38)		 125.5
(4.94)		 107.7
(4.24)		 118.7
(4.67)		 118.8
(4.68)		 120.8
(4.76)		 82.5
(3.25)		 122.6
(4.83)		 1,420
(55.91)
Average precipitation days (≥ 1.0 mm) 7 7 7 7 7 8 7 7 7 8 6 8 86
Average relative humidity (%) 70 74 76 79 81 83 81 79 77 75 72 70 76
Mean monthly sunshine hours 266.6 214.7 220.1 183.0 170.5 132.0 145.7 164.3 174.0 210.8 240.0 263.5 2,385.2
Mean daily sunshine hours 8.6 7.6 7.1 6.1 5.5 4.4 4.7 5.3 5.8 6.8 8.0 8.5 6.5
Source 1: Instituto Uruguayo de Metereología[4][5]
Source 2: NOAA (precipitation and sun 1991–2020),[6] Instituto Nacional de Investigación Agropecuaria (humidity and sun 1980–2009)[7]

Places of worship
  • St. Joseph the Worker Parish Church (Roman Catholic)
  • Parish Church of Our Lady of the Thirty-Three (Roman Catholic)
  • Parish Church of the Holy Savior (Roman Catholic)

Notable people

References
  1. "Statistics of urban localities (1908–2004)" (PDF). INE. 2012. Retrieved 6 September 2012.
  2. "Censos 2011 Cuadros Trenta y Tres". INE. 2012. Archived from the original on 10 October 2012. Retrieved 25 August 2012.
  3. Climate Summary for Treinta y Tres, Uruguay
  4. "Estadísticas climatológicas : Estacion Meteorologica Treinta y tres" (in Spanish). Dirección Nacional de Meteorología. Retrieved 16 May 2023.
  5. "RECORDS METEOROLOGICOS EN EL URUGUAY" (in Spanish). Dirección Nacional de Meteorología. Retrieved 16 May 2023.
  6. "Treinta y Tres Climate Normals 1991–2020". World Meteorological Organization Climatological Standard Normals (1991–2020). National Oceanic and Atmospheric Administration. Archived from the original on 7 August 2023. Retrieved 7 August 2023.
  7. Castaño, José; Giménez, Agustín; Ceroni, Mauricio; Furest, José; Aunchayna, Rossina. "Caracterización Agroclimática del Uruguay 1980–2009" (PDF) (in Spanish). Instituto Nacional de Investigación Agropecuaria. Archived from the original (PDF) on 12 December 2018. Retrieved 15 December 2018.
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