Heat wave in Argentina and 5 other countries, 9 to 26 January 2022

Name: Heat wave in Argentina and 5 other countries, 9 to 26 January 2022
Start: 2022-01-09
End: 2022-01-26
Location: Argentina, Paraguay, Brazil, Uruguay, Bolivia, Chile

Heat wave in Argentina and 5 other countries, 9 to 26 January 2022: 230 records at 56 stations, peak on 15 January 2022. Closed.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Key Facts

Heat wave in Argentina and 5 other countries, 9 to 26 January 2022 set or tied 230 station records at 56 stations.
It ran from 9 January 2022 to 26 January 2022 (18 days) and its peak day was 15 January 2022.
Status: closed.
Buenos Aires Observ set an all-time record high minimum temperature of 29.8 C (85.6 F) on 15 January 2022.
The busiest day was 15 January 2022 with 29 records.
The oldest broken record in the ranked list had stood for 104 years.

Footprint

9 to 26 January 2022

The area covered by Heat wave in Argentina and 5 other countries, 9 to 26 January 2022 is outlined, with 14 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, 9 to 26 January 2022: stations that set records in the event
Station	Type	Value	Date
Buenos Aires Observ	Record high minimum temperature	29.8 C (85.6 F)	2022-01-15
Resistencia Aero	Record high minimum temperature	30.7 C (87.3 F)	2022-01-17
Corrientes	Record high minimum temperature	31.0 C (87.8 F)	2022-01-17
Parana Aero	Record high maximum temperature	42.0 C (107.6 F)	2022-01-14
Mercedes	Record high maximum temperature	42.7 C (108.9 F)	2022-01-15
Rio Cuarto Area de Material	Record high minimum temperature	27.5 C (81.5 F)	2022-01-15
Paso de Los Libres	Record high minimum temperature	29.8 C (85.6 F)	2022-01-16
San Martin	Record high minimum temperature	26.5 C (79.7 F)	2022-01-11
Reconquista Aero	Record high maximum temperature	41.5 C (106.7 F)	2022-01-14
Bahia Blanca Aero	Record high maximum temperature	43.6 C (110.5 F)	2022-01-14
Monte Caseros Aero	Record high minimum temperature	29.8 C (85.6 F)	2022-01-16
Las Lomitas	Record high minimum temperature	30.4 C (86.7 F)	2022-01-17
Ministro Pistarini	Record high minimum temperature	27.1 C (80.8 F)	2022-01-15
Pehuajo Aero	Record high maximum temperature	41.0 C (105.8 F)	2022-01-16

Records per Day

Peak day 29

Records set or tied each day from 9 January 2022 to 26 January 2022. The most in one day was 29 on 15 January 2022.

Records per day during Heat wave in Argentina and 5 other countries, 9 to 26 January 2022
Date	Records
2022-01-09	3
2022-01-10	3
2022-01-11	10
2022-01-12	14
2022-01-13	13
2022-01-14	26
2022-01-15	29
2022-01-16	23
2022-01-17	19
2022-01-18	12
2022-01-19	9
2022-01-20	6
2022-01-21	10
2022-01-22	17
2022-01-23	8
2022-01-24	10
2022-01-25	14
2022-01-26	4

Top Records by Margin

Margin over the record replaced

Top records of Heat wave in Argentina and 5 other countries, 9 to 26 January 2022 ranked by margin
Bahia Blanca Aero, 01-14	6.0 C (10.8 F)
Parana Aero, 01-14	5.8 C (10.4 F)
Ministro Pistarini, 01-15	5.1 C (9.2 F)
Corrientes, 01-18	4.0 C (7.2 F)
Buenos Aires Observ, 01-15	3.3 C (5.9 F)
Reconquista Aero, 01-14	3.3 C (5.9 F)
Pehuajo Aero, 01-16	3.3 C (5.9 F)
Las Lomitas, 01-24	3.2 C (5.8 F)
Buenos Aires Observ, 01-12	3.1 C (5.6 F)
Mercedes, 01-15	2.7 C (4.9 F)
Las Lomitas, 01-16	2.5 C (4.5 F)
Rio Cuarto Area de Material, 01-15	2.2 C (4.0 F)
Corrientes, 01-17	2.0 C (3.6 F)
Paso de Los Libres, 01-16	2.0 C (3.6 F)
Buenos Aires Observ, 01-16	1.9 C (3.4 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

230 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, 9 to 26 January 2022
Margin (C)	Years the old record stood
1.6	50
1.5	56
1.9	104
2.0	46
3.1	76
5.8	55
3.3	72
2.7	79
2.0	7
2.2	8
1.5	11
1.0	48
3.3	60
6.0	47
1.4	13
3.2	58
2.5	60
3.3	62
4.0	48
5.1	44
0.3	26
3.5	52
4.2	46
1.1	8
0.3	10
0.4	11
0.2	19
1.7	60
3.0	50
3.0	50
5.0	32
0.3	8
0.5	71
0.6	72
1.9	62
0.5	12
1.4	60
0.2	16
0.8	7
0.3	12
2.6	55
3.7	36
2.3	55
3.1	44
2.0	62
3.0	39
0.2	11
2.6	48
3.5	42
3.3	36
1.0	60
1.1	62
4.7	32
0.7	0
0.4	0
0.8	0
6.2	22
2.8	48
2.0	55
4.4	28
0.6	62
1.4	55
0.9	62
0.5	0
0.1	38
0.1	0
2.0	44
3.3	44
1.6	48
0.5	60
3.2	36
3.6	32
2.6	42
2.0	48
1.7	46
1.2	55
1.4	46
1.5	47
2.5	31
3.1	32
3.4	28
1.3	50
1.5	46
0.2	27
1.0	48
1.3	42
1.4	43
4.8	10
2.3	36
1.6	43
1.6	42
0.8	48
4.0	20
1.2	39
2.9	28
1.7	35
4.3	4
0.6	50
2.2	24
0.2	48
2.6	28
1.5	34
0.6	44
1.3	31
1.6	34
1.5	28
1.1	1
3.8	12
2.0	28
0.8	3
1.7	28
2.7	19
3.1	10
0.9	42
1.2	42
1.2	28
1.0	0
1.9	24
0.1	42
2.2	19
2.7	16
4.1	4
2.9	14
2.5	14
1.0	36
1.5	28
0.2	46
1.2	28
0.7	31
0.6	0
0.2	34
1.4	24
1.1	32
0.6	34
2.0	16
2.4	8
1.1	24
2.5	14
0.7	31
2.8	8
0.2	38
1.8	19
2.8	2
0.4	3
1.4	19
0.1	6
2.3	8
1.3	19
2.4	8
2.0	8
0.6	28
1.2	28
2.2	11
0.4	24
0.2	28
1.3	19
2.3	8
1.3	16
2.0	8
2.2	14
0.4	28
0.6	26
1.5	11
0.6	22
0.7	16
0.7	20
1.7	8
1.6	14
0.9	16
2.4	4
0.6	20
2.0	2
1.0	15
0.5	11
1.1	11
0.6	14
2.0	8
2.2	2
0.7	16
2.6	2
0.6	16
1.7	4
0.9	16
2.1	8
0.1	22
0.2	20
1.6	3
0.4	16
1.0	8
0.3	19
0.3	20
1.1	8
1.0	12
0.7	15
0.2	19
0.2	24
1.0	8
0.4	16
1.4	2
0.7	8

Compared With Other Events

Station records per event

Station records in Heat wave in Argentina and 5 other countries, 9 to 26 January 2022 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, 9 to 26 January 2022 (this event)	230 records

Every Record Set

20 of 230

Every record set or tied during Heat wave in Argentina and 5 other countries, 9 to 26 January 2022, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2022-01-11	San Martin	Record high minimum temperature	26.5 C (79.7 F)	1.4 C (2.5 F)	13	33 of 100 (Routine)
2022-01-12	Buenos Aires Observ	Record high maximum temperature	41.1 C (106.0 F)	3.1 C (5.6 F)	76	41 of 100 (Notable)
2022-01-14	Parana Aero	Record high maximum temperature	42.0 C (107.6 F)	5.8 C (10.4 F)	55	39 of 100 (Notable)
2022-01-14	Reconquista Aero	Record high maximum temperature	41.5 C (106.7 F)	3.3 C (5.9 F)	60	33 of 100 (Routine)
2022-01-14	Bahia Blanca Aero	Record high maximum temperature	43.6 C (110.5 F)	6.0 C (10.8 F)	47	33 of 100 (Routine)
2022-01-15	Buenos Aires Observ	Record high minimum temperature	29.8 C (85.6 F)	1.6 C (2.9 F)	50	49 of 100 (Notable)
2022-01-15	Buenos Aires Observ	Record high maximum temperature	41.5 C (106.7 F)	3.3 C (5.9 F)	72	39 of 100 (Notable)
2022-01-15	Mercedes	Record high maximum temperature	42.7 C (108.9 F)	2.7 C (4.9 F)	79	38 of 100 (Notable)
2022-01-15	Rio Cuarto Area de Material	Record high minimum temperature	27.5 C (81.5 F)	2.2 C (4.0 F)	8	34 of 100 (Routine)
2022-01-15	Ministro Pistarini	Record high minimum temperature	27.1 C (80.8 F)	5.1 C (9.2 F)	44	32 of 100 (Routine)
2022-01-16	Buenos Aires Observ	Record high maximum temperature	38.8 C (101.8 F)	1.9 C (3.4 F)	104	45 of 100 (Notable)
2022-01-16	Paso de Los Libres	Record high minimum temperature	29.8 C (85.6 F)	2.0 C (3.6 F)	7	34 of 100 (Routine)
2022-01-16	Monte Caseros Aero	Record high minimum temperature	29.8 C (85.6 F)	1.5 C (2.7 F)	11	33 of 100 (Routine)
2022-01-16	Las Lomitas	Record high minimum temperature	29.2 C (84.6 F)	2.5 C (4.5 F)	60	32 of 100 (Routine)
2022-01-16	Pehuajo Aero	Record high maximum temperature	41.0 C (105.8 F)	3.3 C (5.9 F)	62	32 of 100 (Routine)
2022-01-17	Resistencia Aero	Record high minimum temperature	30.7 C (87.3 F)	1.5 C (2.7 F)	56	47 of 100 (Notable)
2022-01-17	Corrientes	Record high minimum temperature	31.0 C (87.8 F)	2.0 C (3.6 F)	46	45 of 100 (Notable)
2022-01-17	Las Lomitas	Record high minimum temperature	30.4 C (86.7 F)	1.0 C (1.8 F)	48	33 of 100 (Routine)
2022-01-18	Corrientes	Record high minimum temperature	30.0 C (86.0 F)	4.0 C (7.2 F)	48	32 of 100 (Routine)
2022-01-24	Las Lomitas	Record high maximum temperature	43.5 C (110.3 F)	3.2 C (5.8 F)	58	32 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 230 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 2026-10-12. 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
1.6	50
1.5	56
1.9	104
2.0	46
3.1	76
5.8	55
3.3	72
2.7	79
2.0	7
2.2	8
1.5	11
1.0	48
3.3	60
6.0	47
1.4	13
3.2	58
2.5	60
3.3	62
4.0	48
5.1	44
0.3	26
3.5	52
4.2	46
1.1	8
0.3	10
0.4	11
0.2	19
1.7	60
3.0	50
3.0	50
5.0	32
0.3	8
0.5	71
0.6	72
1.9	62
0.5	12
1.4	60
0.2	16
0.8	7
0.3	12
2.6	55
3.7	36
2.3	55
3.1	44
2.0	62
3.0	39
0.2	11
2.6	48
3.5	42
3.3	36
1.0	60
1.1	62
4.7	32
0.7	0
0.4	0
0.8	0
6.2	22
2.8	48
2.0	55
4.4	28
0.6	62
1.4	55
0.9	62
0.5	0
0.1	38
0.1	0
2.0	44
3.3	44
1.6	48
0.5	60
3.2	36
3.6	32
2.6	42
2.0	48
1.7	46
1.2	55
1.4	46
1.5	47
2.5	31
3.1	32
3.4	28
1.3	50
1.5	46
0.2	27
1.0	48
1.3	42
1.4	43
4.8	10
2.3	36
1.6	43
1.6	42
0.8	48
4.0	20
1.2	39
2.9	28
1.7	35
4.3	4
0.6	50
2.2	24
0.2	48
2.6	28
1.5	34
0.6	44
1.3	31
1.6	34
1.5	28
1.1	1
3.8	12
2.0	28
0.8	3
1.7	28
2.7	19
3.1	10
0.9	42
1.2	42
1.2	28
1.0	0
1.9	24
0.1	42
2.2	19
2.7	16
4.1	4
2.9	14
2.5	14
1.0	36
1.5	28
0.2	46
1.2	28
0.7	31
0.6	0
0.2	34
1.4	24
1.1	32
0.6	34
2.0	16
2.4	8
1.1	24
2.5	14
0.7	31
2.8	8
0.2	38
1.8	19
2.8	2
0.4	3
1.4	19
0.1	6
2.3	8
1.3	19
2.4	8
2.0	8
0.6	28
1.2	28
2.2	11
0.4	24
0.2	28
1.3	19
2.3	8
1.3	16
2.0	8
2.2	14
0.4	28
0.6	26
1.5	11
0.6	22
0.7	16
0.7	20
1.7	8
1.6	14
0.9	16
2.4	4
0.6	20
2.0	2
1.0	15
0.5	11
1.1	11
0.6	14
2.0	8
2.2	2
0.7	16
2.6	2
0.6	16
1.7	4
0.9	16
2.1	8
0.1	22
0.2	20
1.6	3
0.4	16
1.0	8
0.3	19
0.3	20
1.1	8
1.0	12
0.7	15
0.2	19
0.2	24
1.0	8
0.4	16
1.4	2
0.7	8

Margin (C)	Years the old record stood
1.6	50
1.5	56
1.9	104
2.0	46
3.1	76
5.8	55
3.3	72
2.7	79
2.0	7
2.2	8
1.5	11
1.0	48
3.3	60
6.0	47
1.4	13
3.2	58
2.5	60
3.3	62
4.0	48
5.1	44
0.3	26
3.5	52
4.2	46
1.1	8
0.3	10
0.4	11
0.2	19
1.7	60
3.0	50
3.0	50
5.0	32
0.3	8
0.5	71
0.6	72
1.9	62
0.5	12
1.4	60
0.2	16
0.8	7
0.3	12
2.6	55
3.7	36
2.3	55
3.1	44
2.0	62
3.0	39
0.2	11
2.6	48
3.5	42
3.3	36
1.0	60
1.1	62
4.7	32
0.7	0
0.4	0
0.8	0
6.2	22
2.8	48
2.0	55
4.4	28
0.6	62
1.4	55
0.9	62
0.5	0
0.1	38
0.1	0
2.0	44
3.3	44
1.6	48
0.5	60
3.2	36
3.6	32
2.6	42
2.0	48
1.7	46
1.2	55
1.4	46
1.5	47
2.5	31
3.1	32
3.4	28
1.3	50
1.5	46
0.2	27
1.0	48
1.3	42
1.4	43
4.8	10
2.3	36
1.6	43
1.6	42
0.8	48
4.0	20
1.2	39
2.9	28
1.7	35
4.3	4
0.6	50
2.2	24
0.2	48
2.6	28
1.5	34
0.6	44
1.3	31
1.6	34
1.5	28
1.1	1
3.8	12
2.0	28
0.8	3
1.7	28
2.7	19
3.1	10
0.9	42
1.2	42
1.2	28
1.0	0
1.9	24
0.1	42
2.2	19
2.7	16
4.1	4
2.9	14
2.5	14
1.0	36
1.5	28
0.2	46
1.2	28
0.7	31
0.6	0
0.2	34
1.4	24
1.1	32
0.6	34
2.0	16
2.4	8
1.1	24
2.5	14
0.7	31
2.8	8
0.2	38
1.8	19
2.8	2
0.4	3
1.4	19
0.1	6
2.3	8
1.3	19
2.4	8
2.0	8
0.6	28
1.2	28
2.2	11
0.4	24
0.2	28
1.3	19
2.3	8
1.3	16
2.0	8
2.2	14
0.4	28
0.6	26
1.5	11
0.6	22
0.7	16
0.7	20
1.7	8
1.6	14
0.9	16
2.4	4
0.6	20
2.0	2
1.0	15
0.5	11
1.1	11
0.6	14
2.0	8
2.2	2
0.7	16
2.6	2
0.6	16
1.7	4
0.9	16
2.1	8
0.1	22
0.2	20
1.6	3
0.4	16
1.0	8
0.3	19
0.3	20
1.1	8
1.0	12
0.7	15
0.2	19
0.2	24
1.0	8
0.4	16
1.4	2
0.7	8