# Llay-Llay

Llay-Llay is a town and commune in the San Felipe de Aconcagua Province of central Chile's Valparaíso Region.

## History

The commune was established on 6 April 1875 during the government of President Federico Errázuriz Zañartu, A railway station was initially built for the three copper smelters that existed there.
Llay-Llay made news on 14 September 1863, the date was celebrated with a grand banquet in the village to celebrate the official opening of the railway line between Santiago and Valparaiso, an act that was attended by the President of the Republic, Don José Joaquín Pérez. On 6 April 1875 by Supreme Decree it was granted the title of town.
The Commune of Llay-Llay was included into the Department of Quillota, which was split into four districts, in December 1925. According to the country's regional government, it became part of the province of San Felipe de Aconcagua in March 1976.

## Geography

Llay-Llay spans an area of 349.1 km$^2$ (135 sq mi). The record high temperature of 42.0 °C (107.6 °F) was registered on January 26, 2019 in Llay-Llay.

## Demographics

According to data from the 2002 Census of Population and Housing, the Llay-Llay commune had 21,644 inhabitants; of these, 16,215 (74.9%) lived in urban areas and 5,429 (25.1%) in rural areas. At that time, there were 10,799 men and 10,845 women.

## Administration

As a commune, Llay-Llay is a third-level administrative division of Chile, administered by a communal council (consejo comunal), which is headed by a directly elected alcalde. The current alcalde is Mario Marillanca. The communal council has the following members:
* Patricio Durán
* Margarita Puebla
* Marcos Flores
* Mésala González
* Oscar Hidalgo
* Manuel Maldonado
Within the electoral divisions of Chile, Llaillay is represented in the Chamber of Deputies by Marco Antonio Núñez (PDC) and Gaspar Rivas (RN) as part of the 11th electoral district, together with Los Andes, San Esteban, Calle Larga, Rinconada, San Felipe, Putaendo, Santa María, Panquehue and Catemu. The commune is represented in the Senate by Ignacio Walker Prieto (PDC) and Lily Pérez San Martín (RN) as part of the 5th senatorial constituency (Valparaíso-Cordillera).

## Climate

Climate data for Llay-Llay, elevation 385 m (1,263 ft) :
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Mean daily maximum °C (°F) | 28.5 (83.3) | 29.1 (84.4) | 28.1 (82.6) | 24.2 (75.6) | 21.1 (70.0) | 18.6 (65.5) | 18.6 (65.5) | 19.9 (67.8) | 21.9 (71.4) | 24.4 (75.9) | 26.1 (79.0) | 28.1 (82.6) | 24.1 (75.3) |
| Daily mean °C (°F) | 19.2 (66.6) | 19.1 (66.4) | 17.1 (62.8) | 14.1 (57.4) | 12.0 (53.6) | 9.2 (48.6) | 8.9 (48.0) | 10.1 (50.2) | 12.7 (54.9) | 14.5 (58.1) | 16.4 (61.5) | 18.1 (64.6) | 14.3 (57.7) |
| Mean daily minimum °C (°F) | 10.6 (51.1) | 11.4 (52.5) | 9.9 (49.8) | 7.3 (45.1) | 6.1 (43.0) | 2.9 (37.2) | 3.6 (38.5) | 3.3 (37.9) | 6.5 (43.7) | 7.9 (46.2) | 9.3 (48.7) | 10.6 (51.1) | 7.5 (45.4) |
| Average precipitation mm (inches) | 0.0 (0.0) | 1.1 (0.04) | 0.3 (0.01) | 30.8 (1.21) | 76.0 (2.99) | 96.4 (3.80) | 79.2 (3.12) | 65.3 (2.57) | 20.9 (0.82) | 12.5 (0.49) | 4.7 (0.19) | 0.0 (0.0) | 387.2 (15.24) |
| Average relative humidity (%) | 61 | 64 | 69 | 74 | 78 | 78 | 78 | 76 | 72 | 65 | 58 | 59 | 69 |
| Source: Bioclimatografia de Chile ||||||||||||||