Heat wave in Argentina and 4 other countries, 4 to 15 December 2022

Name: Heat wave in Argentina and 4 other countries, 4 to 15 December 2022
Start: 2022-12-04
End: 2022-12-15
Location: Argentina, Bolivia, Paraguay, Chile, Brazil

Heat wave in Argentina and 4 other countries, 4 to 15 December 2022: 151 records at 55 stations, peak on 7 December 2022. Closed.

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

Key Facts

Heat wave in Argentina and 4 other countries, 4 to 15 December 2022 set or tied 151 station records at 55 stations.
It ran from 4 December 2022 to 15 December 2022 (12 days) and its peak day was 7 December 2022.
Status: closed.
Buenos Aires Observ set a daily record high minimum temperature of 23.0 C (73.4 F) on 6 December 2022.
The busiest day was 7 December 2022 with 31 records.
The oldest broken record in the ranked list had stood for 111 years.

Footprint

4 to 15 December 2022

The area covered by Heat wave in Argentina and 4 other countries, 4 to 15 December 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 4 other countries, 4 to 15 December 2022: stations that set records in the event
Station	Type	Value	Date
Buenos Aires Observ	Record high minimum temperature	23.0 C (73.4 F)	2022-12-06
Oran	Record high minimum temperature	28.9 C (84.0 F)	2022-12-09
Salta Aero	Record high maximum temperature	38.6 C (101.5 F)	2022-12-09
Parana Aero	Record high maximum temperature	38.8 C (101.8 F)	2022-12-08
Cordoba Aero	Record high maximum temperature	40.5 C (104.9 F)	2022-12-08
Las Lomitas	Record high maximum temperature	45.0 C (113.0 F)	2022-12-10
Santa Rosa Aero	Record high maximum temperature	40.0 C (104.0 F)	2022-12-06
Laboulaye Aero	Record high maximum temperature	40.6 C (105.1 F)	2022-12-07
Ceres Aero	Record high maximum temperature	42.6 C (108.7 F)	2022-12-10
El Trompillo	Record high maximum temperature	38.0 C (100.4 F)	2022-12-05
Pehuajo Aero	Record high maximum temperature	37.3 C (99.1 F)	2022-12-06
Posadas	Record high minimum temperature	26.5 C (79.7 F)	2022-12-10
Villa Dolores	Record high minimum temperature	23.2 C (73.8 F)	2022-12-07
Santiago del Estero	Record high maximum temperature	45.3 C (113.5 F)	2022-12-09

Records per Day

Peak day 31

Records set or tied each day from 4 December 2022 to 15 December 2022. The most in one day was 31 on 7 December 2022.

Records per day during Heat wave in Argentina and 4 other countries, 4 to 15 December 2022
Date	Records
2022-12-04	3
2022-12-05	10
2022-12-06	20
2022-12-07	31
2022-12-08	23
2022-12-09	27
2022-12-10	19
2022-12-11	10
2022-12-12	4
2022-12-13	2
2022-12-15	2

Top Records by Margin

Margin over the record replaced

Top records of Heat wave in Argentina and 4 other countries, 4 to 15 December 2022 ranked by margin
Cordoba Aero, 12-08	4.1 C (7.4 F)
Las Lomitas, 12-10	3.5 C (6.3 F)
Parana Aero, 12-08	3.5 C (6.3 F)
Santa Rosa Aero, 12-09	3.2 C (5.8 F)
Villa Dolores, 12-07	3.2 C (5.8 F)
Ceres Aero, 12-10	3.0 C (5.4 F)
Las Lomitas, 12-09	2.8 C (5.0 F)
El Trompillo, 12-05	2.8 C (5.0 F)
Posadas, 12-10	2.5 C (4.5 F)
Santa Rosa Aero, 12-06	2.2 C (4.0 F)
Parana Aero, 12-06	2.2 C (4.0 F)
Ceres Aero, 12-08	2.1 C (3.8 F)
Buenos Aires Observ, 12-07	1.8 C (3.2 F)
Oran, 12-09	1.3 C (2.3 F)
Pehuajo Aero, 12-06	1.3 C (2.3 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

151 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 4 other countries, 4 to 15 December 2022
Margin (C)	Years the old record stood
0.3	111
1.3	11
0.1	56
3.5	53
4.1	56
3.5	53
1.8	57
2.8	59
2.2	60
3.0	53
0.9	68
2.2	55
2.1	56
0.8	60
3.2	41
1.3	60
2.5	41
2.8	39
0.1	33
3.2	43
1.7	53
1.6	56
1.0	56
0.5	60
1.8	43
3.4	31
2.2	45
2.7	32
0.1	60
1.5	40
2.0	35
0.7	53
1.1	52
0.2	59
0.8	51
3.0	25
2.6	32
1.6	45
3.0	28
1.9	39
1.4	48
4.3	17
0.9	47
4.5	13
2.1	28
0.2	53
0.5	47
1.5	43
3.3	28
1.2	12
2.9	20
2.6	27
2.3	32
1.1	32
2.0	24
0.7	44
3.1	9
2.0	28
1.4	36
1.0	36
0.8	40
3.0	28
0.8	41
1.0	45
1.6	31
1.6	32
1.0	43
0.6	43
3.7	7
2.1	28
2.4	21
2.3	28
1.3	11
0.9	6
1.5	24
1.8	28
1.6	28
0.7	39
0.9	33
1.0	0
0.5	43
0.3	39
1.1	32
0.4	39
1.5	28
1.5	28
3.0	16
3.0	8
1.0	32
1.0	27
0.8	32
1.0	28
0.9	32
0.4	32
0.8	0
0.3	9
0.5	28
2.2	5
0.2	0
0.1	0
1.1	24
0.4	32
0.3	36
1.9	17
1.0	31
0.7	0
0.3	28
0.4	32
1.4	13
0.5	28
2.3	12
0.8	27
1.2	13
2.0	8
2.5	8
1.0	4
2.2	8
0.9	21
1.0	13
0.2	28
2.2	0
0.3	16
1.4	9
1.0	13
1.6	4
1.5	8
1.3	11
0.8	9
1.0	8
1.2	4
1.0	7
1.0	4
1.3	8
1.0	8
1.0	12
1.0	8
0.8	8
0.6	9
0.4	8
0.7	11
0.2	12
0.6	8
0.5	8
0.1	8
0.7	0
0.2	13
0.2	3
0.5	3
0.4	3
0.2	4
0.3	0

Compared With Other Events

Station records per event

Station records in Heat wave in Argentina and 4 other countries, 4 to 15 December 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 4 other countries, 4 to 15 December 2022 (this event)	151 records

Every Record Set

20 of 151

Every record set or tied during Heat wave in Argentina and 4 other countries, 4 to 15 December 2022, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2022-12-05	El Trompillo	Record high maximum temperature	38.0 C (100.4 F)	2.8 C (5.0 F)	39	27 of 100 (Routine)
2022-12-06	Buenos Aires Observ	Record high minimum temperature	23.0 C (73.4 F)	0.3 C (0.5 F)	111	40 of 100 (Notable)
2022-12-06	Santa Rosa Aero	Record high maximum temperature	40.0 C (104.0 F)	2.2 C (4.0 F)	60	30 of 100 (Routine)
2022-12-06	Parana Aero	Record high maximum temperature	37.7 C (99.9 F)	2.2 C (4.0 F)	55	28 of 100 (Routine)
2022-12-06	Pehuajo Aero	Record high maximum temperature	37.3 C (99.1 F)	1.3 C (2.3 F)	60	27 of 100 (Routine)
2022-12-07	Buenos Aires Observ	Record high minimum temperature	25.7 C (78.3 F)	1.8 C (3.2 F)	57	31 of 100 (Routine)
2022-12-07	Laboulaye Aero	Record high maximum temperature	40.6 C (105.1 F)	0.9 C (1.6 F)	68	29 of 100 (Routine)
2022-12-07	Laboulaye Aero	Record high minimum temperature	21.9 C (71.4 F)	0.8 C (1.4 F)	60	27 of 100 (Routine)
2022-12-07	Villa Dolores	Record high minimum temperature	23.2 C (73.8 F)	3.2 C (5.8 F)	43	26 of 100 (Routine)
2022-12-08	Cordoba Aero	Record high maximum temperature	40.5 C (104.9 F)	4.1 C (7.4 F)	56	31 of 100 (Routine)
2022-12-08	Parana Aero	Record high maximum temperature	38.8 C (101.8 F)	3.5 C (6.3 F)	53	31 of 100 (Routine)
2022-12-08	Ceres Aero	Record high maximum temperature	41.7 C (107.1 F)	2.1 C (3.8 F)	56	27 of 100 (Routine)
2022-12-09	Oran	Record high minimum temperature	28.9 C (84.0 F)	1.3 C (2.3 F)	11	34 of 100 (Routine)
2022-12-09	Salta Aero	Record high maximum temperature	38.6 C (101.5 F)	0.1 C (0.2 F)	56	32 of 100 (Routine)
2022-12-09	Las Lomitas	Record high maximum temperature	45.3 C (113.5 F)	2.8 C (5.0 F)	59	30 of 100 (Routine)
2022-12-09	Santa Rosa Aero	Record high minimum temperature	24.2 C (75.6 F)	3.2 C (5.8 F)	41	27 of 100 (Routine)
2022-12-09	Santiago del Estero	Record high maximum temperature	45.3 C (113.5 F)	0.1 C (0.2 F)	33	26 of 100 (Routine)
2022-12-10	Las Lomitas	Record high maximum temperature	45.0 C (113.0 F)	3.5 C (6.3 F)	53	31 of 100 (Routine)
2022-12-10	Ceres Aero	Record high maximum temperature	42.6 C (108.7 F)	3.0 C (5.4 F)	53	29 of 100 (Routine)
2022-12-10	Posadas	Record high minimum temperature	26.5 C (79.7 F)	2.5 C (4.5 F)	41	27 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 151 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
0.3	111
1.3	11
0.1	56
3.5	53
4.1	56
3.5	53
1.8	57
2.8	59
2.2	60
3.0	53
0.9	68
2.2	55
2.1	56
0.8	60
3.2	41
1.3	60
2.5	41
2.8	39
0.1	33
3.2	43
1.7	53
1.6	56
1.0	56
0.5	60
1.8	43
3.4	31
2.2	45
2.7	32
0.1	60
1.5	40
2.0	35
0.7	53
1.1	52
0.2	59
0.8	51
3.0	25
2.6	32
1.6	45
3.0	28
1.9	39
1.4	48
4.3	17
0.9	47
4.5	13
2.1	28
0.2	53
0.5	47
1.5	43
3.3	28
1.2	12
2.9	20
2.6	27
2.3	32
1.1	32
2.0	24
0.7	44
3.1	9
2.0	28
1.4	36
1.0	36
0.8	40
3.0	28
0.8	41
1.0	45
1.6	31
1.6	32
1.0	43
0.6	43
3.7	7
2.1	28
2.4	21
2.3	28
1.3	11
0.9	6
1.5	24
1.8	28
1.6	28
0.7	39
0.9	33
1.0	0
0.5	43
0.3	39
1.1	32
0.4	39
1.5	28
1.5	28
3.0	16
3.0	8
1.0	32
1.0	27
0.8	32
1.0	28
0.9	32
0.4	32
0.8	0
0.3	9
0.5	28
2.2	5
0.2	0
0.1	0
1.1	24
0.4	32
0.3	36
1.9	17
1.0	31
0.7	0
0.3	28
0.4	32
1.4	13
0.5	28
2.3	12
0.8	27
1.2	13
2.0	8
2.5	8
1.0	4
2.2	8
0.9	21
1.0	13
0.2	28
2.2	0
0.3	16
1.4	9
1.0	13
1.6	4
1.5	8
1.3	11
0.8	9
1.0	8
1.2	4
1.0	7
1.0	4
1.3	8
1.0	8
1.0	12
1.0	8
0.8	8
0.6	9
0.4	8
0.7	11
0.2	12
0.6	8
0.5	8
0.1	8
0.7	0
0.2	13
0.2	3
0.5	3
0.4	3
0.2	4
0.3	0

Margin (C)	Years the old record stood
0.3	111
1.3	11
0.1	56
3.5	53
4.1	56
3.5	53
1.8	57
2.8	59
2.2	60
3.0	53
0.9	68
2.2	55
2.1	56
0.8	60
3.2	41
1.3	60
2.5	41
2.8	39
0.1	33
3.2	43
1.7	53
1.6	56
1.0	56
0.5	60
1.8	43
3.4	31
2.2	45
2.7	32
0.1	60
1.5	40
2.0	35
0.7	53
1.1	52
0.2	59
0.8	51
3.0	25
2.6	32
1.6	45
3.0	28
1.9	39
1.4	48
4.3	17
0.9	47
4.5	13
2.1	28
0.2	53
0.5	47
1.5	43
3.3	28
1.2	12
2.9	20
2.6	27
2.3	32
1.1	32
2.0	24
0.7	44
3.1	9
2.0	28
1.4	36
1.0	36
0.8	40
3.0	28
0.8	41
1.0	45
1.6	31
1.6	32
1.0	43
0.6	43
3.7	7
2.1	28
2.4	21
2.3	28
1.3	11
0.9	6
1.5	24
1.8	28
1.6	28
0.7	39
0.9	33
1.0	0
0.5	43
0.3	39
1.1	32
0.4	39
1.5	28
1.5	28
3.0	16
3.0	8
1.0	32
1.0	27
0.8	32
1.0	28
0.9	32
0.4	32
0.8	0
0.3	9
0.5	28
2.2	5
0.2	0
0.1	0
1.1	24
0.4	32
0.3	36
1.9	17
1.0	31
0.7	0
0.3	28
0.4	32
1.4	13
0.5	28
2.3	12
0.8	27
1.2	13
2.0	8
2.5	8
1.0	4
2.2	8
0.9	21
1.0	13
0.2	28
2.2	0
0.3	16
1.4	9
1.0	13
1.6	4
1.5	8
1.3	11
0.8	9
1.0	8
1.2	4
1.0	7
1.0	4
1.3	8
1.0	8
1.0	12
1.0	8
0.8	8
0.6	9
0.4	8
0.7	11
0.2	12
0.6	8
0.5	8
0.1	8
0.7	0
0.2	13
0.2	3
0.5	3
0.4	3
0.2	4
0.3	0