# Las Lomitas

Las Lomitas is a city in northern Argentina. It is located in the Patiño Department in the center of Formosa Province. It has a population of 12,399 inhabitants as of the 2010 census [INDEC]. This represented a 20% increase in the population compared to the 2001 census [INDEC] which only had 10,354 inhabitants.
It is served by Alférez Armando Rodríguez Airport.

## Climate

Las Lomitas has a humid subtropical climate (Köppen climate classification Cwa), similar to other areas in the Chaco region. It is the warmest city in Argentina, with an annual mean temperature of 22.8 °C (73.0 °F). Winters are characterized by mild to warm temperatures during the day and cool nights and are dry. In the coldest month, June, the average high is 23.1 °C (73.6 °F) while the average low is 11.2 °C (52.2 °F). Temperatures can occasionally fall below freezing during cold waves although during heat waves, temperatures can reach above 39 °C (102.2 °F). In an average winter, Las Lomitas receives 8.5 days of frost per year while the first and last dates of frost are 28 June and 29 July respectively. Spring and fall are transition seasons and are rather short featuring hot daytime temperatures and mild nighttime temperatures. Frosts are rare in these seasons and temperatures may exceed 40 °C (104.0 °F). Summers are hot, long and very humid, owing to most of the precipitation occurring during this season. In the hottest month, January, the average high is 34.8 °C (94.6 °F) while the average low is 21.7 °C (71.1 °F). During the most extreme heat waves, the temperature can reach above 45 °C (113.0 °F). The average relative humidity is 67%, with the late summer and fall months being more humid than the winter months. On average, Las Lomitas receives 862.5 millimetres (34 in) of precipitation per year with 86 days with measureable precipitation with the summer months being wetter than the winter months, where most of the precipitation falls in the form of thunderstorms. Las Lomitas receives approximately 2,717.0 hours of bright sunshine per year or 60% of possible sunshine per year, ranging from a low of 51% in June (only 162.0 hours of sunshine per month) to a high of 68% in February. The highest recorded temperature was 46.0 °C (114.8 °F) on November 8, 2023, while the lowest recorded temperature was −5.9 °C (21.4 °F) on July 19, 1975.
Climate data for Las Lomitas (1991–2020, extremes 1961–present) :
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 44.5 (112.1) | 43.8 (110.8) | 43.0 (109.4) | 39.5 (103.1) | 36.8 (98.2) | 34.5 (94.1) | 37.2 (99.0) | 40.0 (104.0) | 43.6 (110.5) | 45.6 (114.1) | 46.0 (114.8) | 45.3 (113.5) | 46.0 (114.8) |
| Mean daily maximum °C (°F) | 35.5 (95.9) | 34.0 (93.2) | 32.7 (90.9) | 29.2 (84.6) | 25.2 (77.4) | 23.8 (74.8) | 24.2 (75.6) | 27.6 (81.7) | 29.9 (85.8) | 32.3 (90.1) | 33.2 (91.8) | 34.6 (94.3) | 30.2 (86.4) |
| Daily mean °C (°F) | 28.3 (82.9) | 27.0 (80.6) | 25.7 (78.3) | 22.7 (72.9) | 18.9 (66.0) | 17.2 (63.0) | 16.6 (61.9) | 19.3 (66.7) | 21.8 (71.2) | 24.9 (76.8) | 25.9 (78.6) | 27.6 (81.7) | 23.0 (73.4) |
| Mean daily minimum °C (°F) | 22.1 (71.8) | 21.5 (70.7) | 20.3 (68.5) | 17.8 (64.0) | 14.1 (57.4) | 12.5 (54.5) | 10.8 (51.4) | 12.6 (54.7) | 15.0 (59.0) | 18.6 (65.5) | 19.6 (67.3) | 21.3 (70.3) | 17.2 (63.0) |
| Record low °C (°F) | 9.8 (49.6) | 10.0 (50.0) | 6.4 (43.5) | 1.8 (35.2) | −3.0 (26.6) | −4.4 (24.1) | −5.9 (21.4) | −4.8 (23.4) | −1.4 (29.5) | 4.4 (39.9) | 5.8 (42.4) | 8.6 (47.5) | −5.9 (21.4) |
| Average precipitation mm (inches) | 130.3 (5.13) | 121.4 (4.78) | 156.4 (6.16) | 95.4 (3.76) | 65.4 (2.57) | 16.9 (0.67) | 15.6 (0.61) | 11.9 (0.47) | 26.3 (1.04) | 70.3 (2.77) | 128.0 (5.04) | 129.3 (5.09) | 967.2 (38.08) |
| Average precipitation days (≥ 0.1 mm) | 7.5 | 8.2 | 9.2 | 7.7 | 6.5 | 4.7 | 3.2 | 2.1 | 3.7 | 7.1 | 8.4 | 7.8 | 76.0 |
| Average relative humidity (%) | 67.9 | 71.7 | 74.1 | 77.4 | 80.0 | 78.5 | 70.8 | 61.5 | 59.2 | 63.2 | 66.0 | 68.1 | 69.9 |
| Mean monthly sunshine hours | 251.1 | 209.1 | 217.0 | 183.0 | 167.4 | 135.0 | 179.8 | 204.6 | 177.0 | 210.8 | 228.0 | 229.4 | 2,392.2 |
| Mean daily sunshine hours | 8.1 | 7.4 | 7.0 | 6.1 | 5.4 | 4.5 | 5.8 | 6.6 | 5.9 | 6.8 | 7.6 | 7.4 | 6.6 |
| Percent possible sunshine | 64 | 68 | 62 | 59 | 56 | 51 | 58 | 60 | 57 | 63 | 64 | 62 | 60 |
| Source 1: Servicio Meteorológico Nacional ||||||||||||||
| Source 2: NOAA (percent sun 1961–1990) ||||||||||||||