Heat wave in Argentina and 5 other countries, 6 to 27 March 2024

Name: Heat wave in Argentina and 5 other countries, 6 to 27 March 2024
Start: 2024-03-06
End: 2024-03-27
Location: Argentina, Bolivia, Paraguay, Peru, Uruguay, Brazil

Heat wave in Argentina and 5 other countries, 6 to 27 March 2024: 328 records at 69 stations, peak on 13 March 2024. Closed.

Data as of 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Key Facts

Heat wave in Argentina and 5 other countries, 6 to 27 March 2024 set or tied 328 station records at 69 stations.
It ran from 6 March 2024 to 27 March 2024 (22 days) and its peak day was 13 March 2024.
Status: closed.
Las Lomitas set a daily record high minimum temperature of 29.4 C (84.9 F) on 20 March 2024.
The busiest day was 13 March 2024 with 41 records.
The oldest broken record in the ranked list had stood for 68 years.

Footprint

6 to 27 March 2024

The area covered by Heat wave in Argentina and 5 other countries, 6 to 27 March 2024 is outlined, with 15 of the stations that set records marked, coloured by record type. Made with Natural Earth.

Footprint of Heat wave in Argentina and 5 other countries, 6 to 27 March 2024: stations that set records in the event
Station	Type	Value	Date
Las Lomitas	Record high minimum temperature	29.4 C (84.9 F)	2024-03-20
Santiago del Estero	Record high minimum temperature	28.0 C (82.4 F)	2024-03-13
Riberalta	Record high minimum temperature	25.6 C (78.1 F)	2024-03-14
Ceres Aero	Record high minimum temperature	28.6 C (83.5 F)	2024-03-13
Cordoba Aero	Record high maximum temperature	38.8 C (101.8 F)	2024-03-13
Iguazu Aero	Record high minimum temperature	24.8 C (76.6 F)	2024-03-15
Concepcion	Record high maximum temperature	39.6 C (103.3 F)	2024-03-18
Salta Aero	Record high minimum temperature	20.8 C (69.4 F)	2024-03-14
El Trompillo	Record high minimum temperature	25.4 C (77.7 F)	2024-03-16
Juliaca	Record high minimum temperature	7.9 C (46.2 F)	2024-03-19
Arequipa	Record high minimum temperature	13.9 C (57.0 F)	2024-03-18
Rivadavia	Record high minimum temperature	28.3 C (82.9 F)	2024-03-10
La Rioja Aero.	Record high minimum temperature	27.5 C (81.5 F)	2024-03-13
Padre Aldamiz	Record high minimum temperature	24.4 C (75.9 F)	2024-03-13
Tarija	Record high minimum temperature	19.4 C (66.9 F)	2024-03-15

Records per Day

Peak day 41

Records set or tied each day from 6 March 2024 to 27 March 2024. The most in one day was 41 on 13 March 2024.

Records per day during Heat wave in Argentina and 5 other countries, 6 to 27 March 2024
Date	Records
2024-03-06	1
2024-03-07	4
2024-03-08	5
2024-03-09	12
2024-03-10	9
2024-03-11	19
2024-03-12	22
2024-03-13	41
2024-03-14	31
2024-03-15	25
2024-03-16	28
2024-03-17	14
2024-03-18	15
2024-03-19	31
2024-03-20	34
2024-03-21	16
2024-03-22	4
2024-03-23	1
2024-03-24	2
2024-03-25	6
2024-03-26	3
2024-03-27	5

Top Records by Margin

Margin over the record replaced

Top records of Heat wave in Argentina and 5 other countries, 6 to 27 March 2024 ranked by margin
Las Lomitas, 03-20	5.5 C (9.9 F)
Rivadavia, 03-15	3.4 C (6.1 F)
Juliaca, 03-19	2.7 C (4.9 F)
Santiago del Estero, 03-12	2.6 C (4.7 F)
La Rioja Aero., 03-13	2.6 C (4.7 F)
Salta Aero, 03-14	2.4 C (4.3 F)
Rivadavia, 03-15	2.4 C (4.3 F)
Arequipa, 03-18	1.9 C (3.4 F)
Riberalta, 03-14	1.6 C (2.9 F)
Ceres Aero, 03-13	1.5 C (2.7 F)
El Trompillo, 03-16	1.5 C (2.7 F)
Riberalta, 03-12	1.4 C (2.5 F)
Padre Aldamiz, 03-13	1.4 C (2.5 F)
Santiago del Estero, 03-13	0.8 C (1.4 F)
Iguazu Aero, 03-15	0.8 C (1.4 F)

Margin is how far the new value is beyond the record it replaced. Ties are not shown.

Margin Against Age of the Broken Record

328 records plotted by how far they beat the old record (across) and how many years the old record had stood (up). Long standing records beaten by a wide margin sit in the top right.

Margin against age of the broken record in Heat wave in Argentina and 5 other countries, 6 to 27 March 2024
Margin (C)	Years the old record stood
5.5	60
0.8	68
1.5	43
0.6	56
1.6	42
0.3	22
0.8	47
2.4	61
1.5	65
2.7	42
2.6	60
1.4	41
1.9	47
3.4	58
2.4	61
0.3	47
2.6	55
0.4	41
0.4	45
1.4	47
3.2	46
2.4	48
3.2	44
1.5	20
2.8	47
0.8	4
1.3	47
3.4	46
3.9	44
2.2	48
3.0	31
2.4	49
0.3	37
3.9	39
1.5	55
0.6	47
1.5	19
1.9	4
2.0	33
2.1	32
0.5	19
0.7	50
2.0	44
0.6	58
1.6	44
1.6	47
0.5	58
1.4	44
1.4	46
1.2	41
0.8	44
1.3	47
0.3	58
0.5	55
0.9	48
1.5	38
1.8	33
1.4	39
1.5	11
1.4	27
0.8	47
1.0	42
3.1	33
3.7	22
2.2	34
0.3	23
1.3	44
3.0	22
2.5	31
0.4	21
1.5	44
1.0	44
1.0	48
1.4	40
0.9	44
1.0	46
0.4	42
0.5	48
0.4	41
0.8	47
0.5	44
3.2	25
1.9	34
1.6	0
1.5	34
0.5	46
2.2	31
1.9	32
1.3	2
0.8	43
0.9	44
0.3	51
2.2	0
0.4	44
0.6	32
0.2	48
0.2	48
0.3	49
0.8	39
0.1	14
0.2	44
1.3	31
0.9	0
2.7	14
1.2	34
0.1	14
2.1	23
0.4	12
1.9	32
3.7	19
0.2	44
0.9	36
0.9	35
0.4	41
1.7	21
1.4	0
2.4	22
0.9	28
0.2	41
0.2	41
1.3	34
0.9	0
1.5	31
0.2	7
1.5	23
0.4	41
0.5	0
0.1	45
0.4	3
2.2	16
0.7	31
1.6	22
2.9	14
2.8	14
0.6	3
2.6	18
0.8	26
1.3	13
2.5	25
1.2	22
0.5	0
0.5	0
0.5	0
0.6	34
0.3	34
1.5	23
0.7	0
1.7	22
1.3	20
1.3	20
0.6	34
0.5	36
0.6	21
0.7	34
2.6	14
0.7	0
1.4	8
1.0	18
0.5	28
1.7	22
2.3	9
0.1	2
0.2	4
0.6	36
0.8	32
0.4	26
1.3	18
0.4	34
0.9	13
2.0	13
0.4	33
0.4	0
0.5	0
1.2	26
0.5	0
2.2	14
0.3	27
0.1	0
1.1	25
0.4	31
2.2	4
1.1	22
2.6	9
0.5	32
1.7	22
1.1	27
0.8	14
0.9	22
0.4	28
0.2	28
0.4	29
0.1	1
2.4	14
0.6	26
0.8	22
0.2	0
2.0	14
0.3	26
0.9	22
0.1	32

Compared With Other Events

Station records per event

Station records in Heat wave in Argentina and 5 other countries, 6 to 27 March 2024 compared with similar events
Heat wave in United States and Mexico, 16 January to 14 February 2024	9,869 records
Heat wave in United States, 28 January to 24 February 2026	6,528 records
Heat wave in United States and Mexico, 24 May to 19 June 2020	5,047 records
Heat wave in United States and Mexico, 26 March to 17 April 2021	3,669 records
Heat wave in Germany and 49 other countries, 18 December 2021 to 15 January 2022	3,626 records
Heat wave in Argentina and 5 other countries, 6 to 27 March 2024 (this event)	328 records

Every Record Set

20 of 328

Every record set or tied during Heat wave in Argentina and 5 other countries, 6 to 27 March 2024, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2024-03-10	Rivadavia	Record high minimum temperature	28.3 C (82.9 F)	0.3 C (0.5 F)	47	30 of 100 (Routine)
2024-03-12	Santiago del Estero	Record high minimum temperature	26.8 C (80.2 F)	2.6 C (4.7 F)	60	31 of 100 (Routine)
2024-03-12	Riberalta	Record high minimum temperature	25.0 C (77.0 F)	1.4 C (2.5 F)	41	31 of 100 (Routine)
2024-03-13	Santiago del Estero	Record high minimum temperature	28.0 C (82.4 F)	0.8 C (1.4 F)	68	38 of 100 (Notable)
2024-03-13	Ceres Aero	Record high minimum temperature	28.6 C (83.5 F)	1.5 C (2.7 F)	43	33 of 100 (Routine)
2024-03-13	Cordoba Aero	Record high maximum temperature	38.8 C (101.8 F)	0.6 C (1.1 F)	56	33 of 100 (Routine)
2024-03-13	La Rioja Aero.	Record high minimum temperature	27.5 C (81.5 F)	2.6 C (4.7 F)	55	29 of 100 (Routine)
2024-03-13	Salta Aero	Record high minimum temperature	21.2 C (70.2 F)	0.4 C (0.7 F)	41	29 of 100 (Routine)
2024-03-13	Padre Aldamiz	Record high minimum temperature	24.4 C (75.9 F)	1.4 C (2.5 F)	47	29 of 100 (Routine)
2024-03-14	Riberalta	Record high minimum temperature	25.6 C (78.1 F)	1.6 C (2.9 F)	42	33 of 100 (Routine)
2024-03-14	Salta Aero	Record high minimum temperature	20.8 C (69.4 F)	2.4 C (4.3 F)	61	32 of 100 (Routine)
2024-03-15	Iguazu Aero	Record high minimum temperature	24.8 C (76.6 F)	0.8 C (1.4 F)	47	33 of 100 (Routine)
2024-03-15	Rivadavia	Record high maximum temperature	43.0 C (109.4 F)	3.4 C (6.1 F)	58	30 of 100 (Routine)
2024-03-15	Rivadavia	Record high minimum temperature	28.8 C (83.8 F)	2.4 C (4.3 F)	61	30 of 100 (Routine)
2024-03-15	Tarija	Record high minimum temperature	19.4 C (66.9 F)	0.4 C (0.7 F)	45	29 of 100 (Routine)
2024-03-16	El Trompillo	Record high minimum temperature	25.4 C (77.7 F)	1.5 C (2.7 F)	65	32 of 100 (Routine)
2024-03-18	Concepcion	Record high maximum temperature	39.6 C (103.3 F)	0.3 C (0.5 F)	22	33 of 100 (Routine)
2024-03-18	Arequipa	Record high minimum temperature	13.9 C (57.0 F)	1.9 C (3.4 F)	47	31 of 100 (Routine)
2024-03-19	Juliaca	Record high minimum temperature	7.9 C (46.2 F)	2.7 C (4.9 F)	42	32 of 100 (Routine)
2024-03-20	Las Lomitas	Record high minimum temperature	29.4 C (84.9 F)	5.5 C (9.9 F)	60	39 of 100 (Notable)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 328 records the event counts. The counts above use the full total.

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 2026-10-17. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.

Margin (C)	Years the old record stood
5.5	60
0.8	68
1.5	43
0.6	56
1.6	42
0.3	22
0.8	47
2.4	61
1.5	65
2.7	42
2.6	60
1.4	41
1.9	47
3.4	58
2.4	61
0.3	47
2.6	55
0.4	41
0.4	45
1.4	47
3.2	46
2.4	48
3.2	44
1.5	20
2.8	47
0.8	4
1.3	47
3.4	46
3.9	44
2.2	48
3.0	31
2.4	49
0.3	37
3.9	39
1.5	55
0.6	47
1.5	19
1.9	4
2.0	33
2.1	32
0.5	19
0.7	50
2.0	44
0.6	58
1.6	44
1.6	47
0.5	58
1.4	44
1.4	46
1.2	41
0.8	44
1.3	47
0.3	58
0.5	55
0.9	48
1.5	38
1.8	33
1.4	39
1.5	11
1.4	27
0.8	47
1.0	42
3.1	33
3.7	22
2.2	34
0.3	23
1.3	44
3.0	22
2.5	31
0.4	21
1.5	44
1.0	44
1.0	48
1.4	40
0.9	44
1.0	46
0.4	42
0.5	48
0.4	41
0.8	47
0.5	44
3.2	25
1.9	34
1.6	0
1.5	34
0.5	46
2.2	31
1.9	32
1.3	2
0.8	43
0.9	44
0.3	51
2.2	0
0.4	44
0.6	32
0.2	48
0.2	48
0.3	49
0.8	39
0.1	14
0.2	44
1.3	31
0.9	0
2.7	14
1.2	34
0.1	14
2.1	23
0.4	12
1.9	32
3.7	19
0.2	44
0.9	36
0.9	35
0.4	41
1.7	21
1.4	0
2.4	22
0.9	28
0.2	41
0.2	41
1.3	34
0.9	0
1.5	31
0.2	7
1.5	23
0.4	41
0.5	0
0.1	45
0.4	3
2.2	16
0.7	31
1.6	22
2.9	14
2.8	14
0.6	3
2.6	18
0.8	26
1.3	13
2.5	25
1.2	22
0.5	0
0.5	0
0.5	0
0.6	34
0.3	34
1.5	23
0.7	0
1.7	22
1.3	20
1.3	20
0.6	34
0.5	36
0.6	21
0.7	34
2.6	14
0.7	0
1.4	8
1.0	18
0.5	28
1.7	22
2.3	9
0.1	2
0.2	4
0.6	36
0.8	32
0.4	26
1.3	18
0.4	34
0.9	13
2.0	13
0.4	33
0.4	0
0.5	0
1.2	26
0.5	0
2.2	14
0.3	27
0.1	0
1.1	25
0.4	31
2.2	4
1.1	22
2.6	9
0.5	32
1.7	22
1.1	27
0.8	14
0.9	22
0.4	28
0.2	28
0.4	29
0.1	1
2.4	14
0.6	26
0.8	22
0.2	0
2.0	14
0.3	26
0.9	22
0.1	32

Margin (C)	Years the old record stood
5.5	60
0.8	68
1.5	43
0.6	56
1.6	42
0.3	22
0.8	47
2.4	61
1.5	65
2.7	42
2.6	60
1.4	41
1.9	47
3.4	58
2.4	61
0.3	47
2.6	55
0.4	41
0.4	45
1.4	47
3.2	46
2.4	48
3.2	44
1.5	20
2.8	47
0.8	4
1.3	47
3.4	46
3.9	44
2.2	48
3.0	31
2.4	49
0.3	37
3.9	39
1.5	55
0.6	47
1.5	19
1.9	4
2.0	33
2.1	32
0.5	19
0.7	50
2.0	44
0.6	58
1.6	44
1.6	47
0.5	58
1.4	44
1.4	46
1.2	41
0.8	44
1.3	47
0.3	58
0.5	55
0.9	48
1.5	38
1.8	33
1.4	39
1.5	11
1.4	27
0.8	47
1.0	42
3.1	33
3.7	22
2.2	34
0.3	23
1.3	44
3.0	22
2.5	31
0.4	21
1.5	44
1.0	44
1.0	48
1.4	40
0.9	44
1.0	46
0.4	42
0.5	48
0.4	41
0.8	47
0.5	44
3.2	25
1.9	34
1.6	0
1.5	34
0.5	46
2.2	31
1.9	32
1.3	2
0.8	43
0.9	44
0.3	51
2.2	0
0.4	44
0.6	32
0.2	48
0.2	48
0.3	49
0.8	39
0.1	14
0.2	44
1.3	31
0.9	0
2.7	14
1.2	34
0.1	14
2.1	23
0.4	12
1.9	32
3.7	19
0.2	44
0.9	36
0.9	35
0.4	41
1.7	21
1.4	0
2.4	22
0.9	28
0.2	41
0.2	41
1.3	34
0.9	0
1.5	31
0.2	7
1.5	23
0.4	41
0.5	0
0.1	45
0.4	3
2.2	16
0.7	31
1.6	22
2.9	14
2.8	14
0.6	3
2.6	18
0.8	26
1.3	13
2.5	25
1.2	22
0.5	0
0.5	0
0.5	0
0.6	34
0.3	34
1.5	23
0.7	0
1.7	22
1.3	20
1.3	20
0.6	34
0.5	36
0.6	21
0.7	34
2.6	14
0.7	0
1.4	8
1.0	18
0.5	28
1.7	22
2.3	9
0.1	2
0.2	4
0.6	36
0.8	32
0.4	26
1.3	18
0.4	34
0.9	13
2.0	13
0.4	33
0.4	0
0.5	0
1.2	26
0.5	0
2.2	14
0.3	27
0.1	0
1.1	25
0.4	31
2.2	4
1.1	22
2.6	9
0.5	32
1.7	22
1.1	27
0.8	14
0.9	22
0.4	28
0.2	28
0.4	29
0.1	1
2.4	14
0.6	26
0.8	22
0.2	0
2.0	14
0.3	26
0.9	22
0.1	32