Climate Trends in Argentina
Climate trends for Argentina from 0 stations with long records. Also streaks and temperature swings.
Data as of . Last revised (2026-10-12).
Longest Hot, Cold, Wet and Dry Streaks: Argentina
7 lists of 10- In Argentina, the longest run of hot days in a row in the data is 34 days, at Rivadavia (Argentina), from 31 January 1989 to 5 March 1989.
- In Argentina, the longest run of days in a row at or above 40 C in the data is 10 days, at La Rioja Aero. (Argentina), from 24 December 1971 to 2 January 1972.
- In Argentina, the longest run of frost days in a row in the data is 153 days, at La Quiaca Observato (Argentina), from 16 April 1971 to 15 September 1971.
- In Argentina, the longest run of ice days in a row in the data is 9 days, at Rio Gallegos Aero (Argentina), from 6 July 1982 to 14 July 1982.
- In Argentina, the longest run of dry days in a row in the data is 67 days, at San Juan (Argentina), in 1980.
- In Argentina, the longest run of wet days in a row in the data is 11 days, at Salta Aero (Argentina), in 1979.
- In Argentina, the longest run of longest run of nights at or above 25 c in the data is 11 days, at Chamical Aero (Argentina), from 1 February 2025 to 11 February 2025.
Longest run of days at or above 35 C
Consecutive days with a daily maximum at or above 35 C (95 F).
| Rank | Station | Country | Length | When |
|---|---|---|---|---|
| 1 | Rivadavia | Argentina | 34 days | 31 January to 5 March 1989 |
| 2 | La Rioja Aero. | Argentina | 24 days | 12 December 1995 to 4 January 1996 |
| 3 | Santiago del Estero | Argentina | 21 days | 14 December 1995 to 3 January 1996 |
| 4 | Resistencia Aero | Argentina | 19 days | 31 December 1988 to 18 January 1989 |
| 5 | Las Lomitas | Argentina | 17 days | 19 February to 7 March 1970 |
| 6 | Ceres Aero | Argentina | 13 days | 9 to 21 January 1960 |
| 7 | Santa Rosa Aero | Argentina | 11 days | 2 to 12 January 1955 |
| 8 | Parana Aero | Argentina | 11 days | 16 to 26 February 1965 |
| 9 | Reconquista Aero | Argentina | 11 days | 25 February to 7 March 1970 |
| 10 | Laboulaye Aero | Argentina | 11 days | 23 December 1971 to 2 January 1972 |
Longest run of days at or above 40 C
Consecutive days with a daily maximum at or above 40 C (104 F).
| Rank | Station | Country | Length | When |
|---|---|---|---|---|
| 1 | La Rioja Aero. | Argentina | 10 days | 24 December 1971 to 2 January 1972 |
| 2 | Rivadavia | Argentina | 8 days | 24 to 31 January 1986 |
| 3 | Las Lomitas | Argentina | 8 days | 7 to 14 March 1990 |
| 4 | Santiago del Estero | Argentina | 7 days | 24 February to 2 March 1987 |
| 5 | Laboulaye Aero | Argentina | 5 days | 5 to 9 January 1955 |
| 6 | Bahia Blanca Aero | Argentina | 4 days | 15 to 18 January 1960 |
| 7 | Ceres Aero | Argentina | 4 days | 1 to 4 January 1963 |
| 8 | Reconquista Aero | Argentina | 4 days | 1 to 4 January 1963 |
| 9 | Resistencia Aero | Argentina | 4 days | 17 to 20 December 1971 |
| 10 | Santa Rosa Aero | Argentina | 3 days | 4 to 6 January 1955 |
Longest run of frost days (minimum at or below 0 C)
Consecutive days with a daily minimum at or below 0 C (32 F).
| Rank | Station | Country | Length | When |
|---|---|---|---|---|
| 1 | La Quiaca Observato | Argentina | 153 days | 16 April to 15 September 1971 |
| 2 | Esquel Aero | Argentina | 53 days | 17 June to 8 August 1992 |
| 3 | Malargue | Argentina | 40 days | 15 June to 24 July 2021 |
| 4 | Maquinchao | Argentina | 38 days | 13 June to 20 July 2020 |
| 5 | Rio Gallegos Aero | Argentina | 36 days | 18 June to 23 July 1959 |
| 6 | Perito Moreno Arpt | Argentina | 29 days | 9 June to 7 July 1995 |
| 7 | Mendoza Aero | Argentina | 28 days | 5 June to 2 July 1967 |
| 8 | San Juan | Argentina | 26 days | 29 June to 24 July 2024 |
| 9 | Jachal | Argentina | 25 days | 30 June to 24 July 1996 |
| 10 | Neuquen Aero | Argentina | 24 days | 22 June to 15 July 1967 |
Longest run of ice days (maximum at or below 0 C)
Consecutive days with a daily maximum at or below 0 C (32 F).
| Rank | Station | Country | Length | When |
|---|---|---|---|---|
| 1 | Rio Gallegos Aero | Argentina | 9 days | 6 to 14 July 1982 |
| 2 | Esquel Aero | Argentina | 9 days | 19 to 27 July 2001 |
| 3 | Maquinchao | Argentina | 3 days | 22 to 24 July 2025 |
| 4 | Neuquen Aero | Argentina | 2 days | 16 to 17 June 1982 |
| 5 | Jachal | Argentina | 1 day | 12 to 12 June 1961 |
| 6 | Comodoro Rivadavia | Argentina | 1 day | 8 to 8 July 1982 |
Longest dry spell (days under 1 mm of rain), within one year
Consecutive days with less than 1 mm (0.04 in) of rain, the longest run within a year. The dates are not kept, so the list gives the year (within the year).
| Rank | Station | Country | Length | When |
|---|---|---|---|---|
| 1 | San Juan | Argentina | 67 days | within 1980 |
| 2 | Cordoba Aero | Argentina | 54 days | within 1997 |
| 3 | Monte Caseros Aero | Argentina | 52 days | within 1996 |
| 4 | Pehuajo Aero | Argentina | 50 days | within 1981 |
| 5 | Mendoza Aero | Argentina | 48 days | within 1981 |
| 6 | Salta Aero | Argentina | 46 days | within 1980 |
| 7 | Jujuy | Argentina | 41 days | within 1980 |
| 8 | Catamarca | Argentina | 40 days | within 1981 |
| 9 | San Rafael | Argentina | 38 days | within 1980 |
| 10 | Parana Aero | Argentina | 37 days | within 2004 |
Longest wet spell (days with 1 mm or more of rain), within one year
Consecutive days with 1 mm (0.04 in) or more of rain, the longest run within a year. The dates are not kept, so the list gives the year (within the year).
| Rank | Station | Country | Length | When |
|---|---|---|---|---|
| 1 | Salta Aero | Argentina | 11 days | within 1979 |
| 2 | Monte Caseros Aero | Argentina | 8 days | within 1997 |
| 3 | Comodoro Rivadavia | Argentina | 8 days | within 1997 |
| 4 | Posadas | Argentina | 8 days | within 1997 |
| 5 | Paso de Los Libres | Argentina | 8 days | within 1997 |
| 6 | Parana Aero | Argentina | 8 days | within 2003 |
| 7 | Oran | Argentina | 7 days | within 1977 |
| 8 | Reconquista Aero | Argentina | 7 days | within 1981 |
| 9 | Junin | Argentina | 6 days | within 1977 |
| 10 | Jujuy | Argentina | 6 days | within 1979 |
Longest run of nights at or above 25 C
| Rank | Station | Country | Length | When |
|---|---|---|---|---|
| 1 | Chamical Aero | Argentina | 11 days | 1 to 11 February 2025 |
| 2 | Las Lomitas | Argentina | 9 days | 5 to 13 March 1977 |
| 3 | La Rioja Aero. | Argentina | 8 days | 28 February to 7 March 1987 |
| 4 | Catamarca | Argentina | 8 days | 8 to 15 January 2022 |
| 5 | Oran | Argentina | 8 days | 9 to 16 March 2024 |
| 6 | Reconquista Aero | Argentina | 7 days | 5 to 11 January 1984 |
| 7 | Rivadavia | Argentina | 7 days | 24 to 30 January 1986 |
| 8 | Resistencia Aero | Argentina | 6 days | 7 to 12 December 1966 |
| 9 | Buenos Aires Observ | Argentina | 6 days | 22 to 27 February 1981 |
| 10 | Santiago del Estero | Argentina | 5 days | 24 to 28 February 1987 |
A run belongs to the year it started in, even when it ran on into the next year. A station appears once per list, with its longest run in a complete year. Dry and wet spells are the longest run within a year. Lists use complete years only, so a long run in a year with gaps in the record is not counted.
Biggest One Day Temperature Swings: Argentina
6 lists of 10- In Argentina, the largest reported one day rise in the daily maximum is 24.3 C (43.7 F), at Cordoba Aero (Argentina) on 19 June 2001.
- In Argentina, the largest reported one day drop in the daily maximum is 26.7 C (48.1 F), at Jachal (Argentina) on 28 April 2001.
- In Argentina, the largest reported one day rise in the daily minimum is 22.2 C (40.0 F), at Jachal (Argentina) on 25 October 1995.
- In Argentina, the largest reported one day drop in the daily minimum is 20.3 C (36.5 F), at Las Lomitas (Argentina) on 22 December 1996.
- In Argentina, the largest reported widest range between the high and the low of one day is 42.6 C (76.7 F), at Jachal (Argentina) on 24 October 1995.
- In Argentina, the smallest reported narrowest range between the high and the low of one day is 0.0 C (0.0 F), at Jachal (Argentina) on 26 September 1962.
Caveat.Single readings can still be instrument errors that quality control missed. A station with one faulty value can top a list, so read each entry as a reported value, not as a confirmed event.
Biggest one day rise in the daily maximum
The largest increase in the daily maximum temperature from one day to the next. Values are in degrees Celsius with Fahrenheit beside them.
| Rank | Station | Country | Value | Date |
|---|---|---|---|---|
| 1 | Cordoba Aero | Argentina | 24.3 C (43.7 F) | 19 June 2001 |
| 2 | Parana Aero | Argentina | 23.4 C (42.1 F) | 19 March 1965 |
| 3 | Jachal | Argentina | 22.1 C (39.8 F) | 6 September 1962 |
| 4 | Santiago del Estero | Argentina | 20.2 C (36.4 F) | 25 June 1967 |
| 5 | Rivadavia | Argentina | 19.0 C (34.2 F) | 1 September 1961 |
| 6 | Comodoro Rivadavia | Argentina | 17.8 C (32.0 F) | 30 January 1968 |
| 7 | Neuquen Aero | Argentina | 17.7 C (31.9 F) | 16 June 1979 |
| 8 | Salta Aero | Argentina | 17.4 C (31.3 F) | 24 June 1971 |
| 9 | Esquel Aero | Argentina | 17.0 C (30.6 F) | 8 June 1994 |
| 10 | Reconquista Aero | Argentina | 16.8 C (30.2 F) | 9 September 2003 |
Biggest one day drop in the daily maximum
The largest decrease in the daily maximum temperature from one day to the next. Values are in degrees Celsius with Fahrenheit beside them.
| Rank | Station | Country | Value | Date |
|---|---|---|---|---|
| 1 | Jachal | Argentina | 26.7 C (48.1 F) | 28 April 2001 |
| 2 | Salta Aero | Argentina | 21.3 C (38.3 F) | 14 July 1965 |
| 3 | La Rioja Aero. | Argentina | 20.7 C (37.3 F) | 28 December 1990 |
| 4 | Resistencia Aero | Argentina | 20.4 C (36.7 F) | 20 August 2018 |
| 5 | Rivadavia | Argentina | 20.0 C (36.0 F) | 9 October 2024 |
| 6 | Laboulaye Aero | Argentina | 19.3 C (34.7 F) | 3 November 1958 |
| 7 | Santiago del Estero | Argentina | 19.3 C (34.7 F) | 25 January 2014 |
| 8 | Parana Aero | Argentina | 19.2 C (34.6 F) | 20 March 1965 |
| 9 | Mendoza Aero | Argentina | 19.1 C (34.4 F) | 9 September 1968 |
| 10 | Las Lomitas | Argentina | 18.9 C (34.0 F) | 1 November 2003 |
Biggest one day rise in the daily minimum
The largest increase in the daily minimum temperature from one day to the next. Values are in degrees Celsius with Fahrenheit beside them.
| Rank | Station | Country | Value | Date |
|---|---|---|---|---|
| 1 | Jachal | Argentina | 22.2 C (40.0 F) | 25 October 1995 |
| 2 | Esquel Aero | Argentina | 20.0 C (36.0 F) | 27 July 1973 |
| 3 | Salta Aero | Argentina | 19.6 C (35.3 F) | 27 July 1957 |
| 4 | Laboulaye Aero | Argentina | 18.6 C (33.5 F) | 19 May 1957 |
| 5 | Neuquen Aero | Argentina | 18.6 C (33.5 F) | 29 May 1961 |
| 6 | Mar del Plata Aero | Argentina | 17.0 C (30.6 F) | 7 May 1981 |
| 7 | Rio Gallegos Aero | Argentina | 16.6 C (29.9 F) | 1 May 1964 |
| 8 | Bahia Blanca Aero | Argentina | 16.5 C (29.7 F) | 7 September 1974 |
| 9 | Rivadavia | Argentina | 16.4 C (29.5 F) | 2 November 1981 |
| 10 | Trelew Aero | Argentina | 16.0 C (28.8 F) | 20 June 1986 |
Biggest one day drop in the daily minimum
The largest decrease in the daily minimum temperature from one day to the next. Values are in degrees Celsius with Fahrenheit beside them.
| Rank | Station | Country | Value | Date |
|---|---|---|---|---|
| 1 | Las Lomitas | Argentina | 20.3 C (36.5 F) | 22 December 1996 |
| 2 | Jachal | Argentina | 20.0 C (36.0 F) | 24 July 1965 |
| 3 | La Rioja Aero. | Argentina | 19.8 C (35.6 F) | 15 October 2002 |
| 4 | Bahia Blanca Aero | Argentina | 17.9 C (32.2 F) | 1 March 1980 |
| 5 | Pehuajo Aero | Argentina | 17.9 C (32.2 F) | 29 January 2002 |
| 6 | Santiago del Estero | Argentina | 17.4 C (31.3 F) | 28 January 1988 |
| 7 | Mendoza Aero | Argentina | 16.3 C (29.3 F) | 26 December 2003 |
| 8 | Rio Gallegos Aero | Argentina | 16.2 C (29.2 F) | 23 January 1997 |
| 9 | Neuquen Aero | Argentina | 16.0 C (28.8 F) | 12 July 1962 |
| 10 | Rivadavia | Argentina | 16.0 C (28.8 F) | 1 November 1981 |
Widest range between the high and the low of one day
The largest difference between the highest and the lowest temperature of the same day. Values are in degrees Celsius with Fahrenheit beside them.
| Rank | Station | Country | Value | Date |
|---|---|---|---|---|
| 1 | Jachal | Argentina | 42.6 C (76.7 F) | 24 October 1995 |
| 2 | Parana Aero | Argentina | 38.3 C (68.9 F) | 19 March 1965 |
| 3 | La Quiaca Observato | Argentina | 36.1 C (65.0 F) | 2 June 1994 |
| 4 | Cordoba Aero | Argentina | 36.1 C (65.0 F) | 19 June 2001 |
| 5 | Salta Aero | Argentina | 35.8 C (64.4 F) | 4 August 1969 |
| 6 | La Rioja Aero. | Argentina | 35.8 C (64.4 F) | 10 September 2002 |
| 7 | Las Lomitas | Argentina | 35.5 C (63.9 F) | 19 September 1996 |
| 8 | Resistencia Aero | Argentina | 35.2 C (63.4 F) | 13 July 1965 |
| 9 | Santiago del Estero | Argentina | 33.5 C (60.3 F) | 3 October 1983 |
| 10 | Mendoza Aero | Argentina | 33.0 C (59.4 F) | 26 December 2003 |
Narrowest range between the high and the low of one day
The smallest difference between the highest and the lowest temperature of the same day. Values are in degrees Celsius with Fahrenheit beside them.
| Rank | Station | Country | Value | Date |
|---|---|---|---|---|
| 1 | Jachal | Argentina | 0.0 C (0.0 F) | 26 September 1962 |
| 2 | Buenos Aires Observ | Argentina | 0.3 C (0.5 F) | 26 May 1966 |
| 3 | Resistencia Aero | Argentina | 0.5 C (0.9 F) | 27 August 1965 |
| 4 | Santa Rosa Aero | Argentina | 0.7 C (1.3 F) | 26 July 1985 |
| 5 | Ceres Aero | Argentina | 0.7 C (1.3 F) | 15 September 1985 |
| 6 | Laboulaye Aero | Argentina | 0.8 C (1.4 F) | 1 June 1952 |
| 7 | Rivadavia | Argentina | 0.8 C (1.4 F) | 14 September 1961 |
| 8 | Reconquista Aero | Argentina | 0.8 C (1.4 F) | 8 September 1979 |
| 9 | Mendoza Aero | Argentina | 0.9 C (1.6 F) | 9 July 1966 |
| 10 | Mar del Plata Aero | Argentina | 0.9 C (1.6 F) | 14 December 1976 |
Only stations with at least 10 complete years are listed, and a station appears once per list.
Download the Data
Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-12. Trends and counts are computed by this site from daily station records. The long-record station set is described under each chart.