Heat wave in China and 8 other countries, 3 to 15 January 2023

Name: Heat wave in China and 8 other countries, 3 to 15 January 2023
Start: 2023-01-03
End: 2023-01-15
Location: China, Japan, Russia, Mongolia, Kazakhstan, Korea, South, Korea, North, Macau S.A.R, Vietnam

Heat wave in China and 8 other countries, 3 to 15 January 2023: 712 records at 369 stations, peak on 13 January 2023. Closed.

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

Key Facts

Heat wave in China and 8 other countries, 3 to 15 January 2023 set or tied 712 station records at 369 stations.
It ran from 3 January 2023 to 15 January 2023 (13 days) and its peak day was 13 January 2023.
Status: closed.
Pogranichnyj set a daily record high maximum temperature of 6.1 C (43.0 F) on 13 January 2023.
The busiest day was 13 January 2023 with 127 records.
The oldest broken record in the ranked list had stood for 120 years.

Footprint

3 to 15 January 2023

The area covered by Heat wave in China and 8 other countries, 3 to 15 January 2023 is outlined, with 20 of the stations that set records marked, coloured by record type. Made with Natural Earth.

Footprint of Heat wave in China and 8 other countries, 3 to 15 January 2023: stations that set records in the event
Station	Type	Value	Date
Pogranichnyj	Record high maximum temperature	6.1 C (43.0 F)	2023-01-13
Achinsk	Record high maximum temperature	3.2 C (37.8 F)	2023-01-09
Atbasar	Record high minimum temperature	-3.3 C (26.1 F)	2023-01-05
Astana	Record high minimum temperature	-3.2 C (26.2 F)	2023-01-05
Kokpekty	Record high maximum temperature	-3.7 C (25.3 F)	2023-01-08
Ajiro	Record high minimum temperature	11.8 C (53.2 F)	2023-01-14
Chichibu	Record high minimum temperature	4.5 C (40.1 F)	2023-01-15
Fukaura	Record high minimum temperature	6.4 C (43.5 F)	2023-01-13
Bugt	Record high maximum temperature	-0.2 C (31.6 F)	2023-01-12
Qian Gorlos	Record high maximum temperature	3.9 C (39.0 F)	2023-01-12
Xinyang	Record high maximum temperature	22.7 C (72.9 F)	2023-01-09
Aikawa	Record high minimum temperature	8.8 C (47.8 F)	2023-01-13
Fukuoka	Record high minimum temperature	13.5 C (56.3 F)	2023-01-13
Anqing	Record high maximum temperature	19.7 C (67.5 F)	2023-01-08
Yingkou	Record high maximum temperature	8.6 C (47.5 F)	2023-01-12
Agzu	Record high maximum temperature	5.8 C (42.4 F)	2023-01-12
Shimonoseki	Record high minimum temperature	11.7 C (53.1 F)	2023-01-13
Hachijojima	Record high minimum temperature	15.2 C (59.4 F)	2023-01-14
Okayama	Record high minimum temperature	10.0 C (50.0 F)	2023-01-14
Hailun	Record high maximum temperature	-4.5 C (23.9 F)	2023-01-11

Records per Day

Peak day 127

Records set or tied each day from 3 January 2023 to 15 January 2023. The most in one day was 127 on 13 January 2023.

Records per day during Heat wave in China and 8 other countries, 3 to 15 January 2023
Date	Records
2023-01-03	5
2023-01-04	1
2023-01-05	29
2023-01-06	27
2023-01-07	36
2023-01-08	58
2023-01-09	79
2023-01-10	67
2023-01-11	74
2023-01-12	110
2023-01-13	127
2023-01-14	79
2023-01-15	20

Top Records by Margin

Margin over the record replaced

Top records of Heat wave in China and 8 other countries, 3 to 15 January 2023 ranked by margin
Hailun, 01-11	4.3 C (7.7 F)
Xinyang, 01-09	3.9 C (7.0 F)
Ajiro, 01-14	3.8 C (6.8 F)
Anqing, 01-08	3.7 C (6.7 F)
Chichibu, 01-15	3.3 C (5.9 F)
Agzu, 01-12	3.0 C (5.4 F)
Aikawa, 01-13	2.7 C (4.9 F)
Fukuoka, 01-13	2.7 C (4.9 F)
Okayama, 01-14	2.5 C (4.5 F)
Shimonoseki, 01-13	2.3 C (4.1 F)
Hachijojima, 01-14	1.9 C (3.4 F)
Pogranichnyj, 01-13	1.8 C (3.2 F)
Yingkou, 01-12	1.7 C (3.1 F)
Fukaura, 01-13	1.0 C (1.8 F)
Achinsk, 01-09	0.9 C (1.6 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

500 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 China and 8 other countries, 3 to 15 January 2023
Margin (C)	Years the old record stood
1.8	108
0.9	120
0.5	108
0.3	108
0.1	103
3.3	68
3.8	51
1.0	59
0.2	63
0.1	63
3.9	69
2.7	59
2.7	64
1.7	47
3.7	64
1.9	68
2.3	64
2.5	64
3.0	39
4.3	60
4.1	60
0.2	55
5.2	55
3.2	51
0.2	53
0.3	53
2.0	64
1.1	83
4.5	51
7.1	35
2.0	69
1.2	44
3.5	56
2.4	60
2.5	60
1.7	64
1.6	64
0.3	83
5.3	48
4.8	51
4.1	55
2.9	63
3.6	56
3.6	63
0.8	40
1.4	34
2.6	51
3.4	35
1.4	64
1.2	68
1.7	64
1.8	64
6.6	51
1.4	73
3.4	51
2.4	59
2.9	59
1.6	69
0.1	43
2.0	64
2.4	59
1.9	30
1.4	69
0.5	40
0.4	43
2.4	59
2.1	55
2.2	59
1.2	64
1.7	64
1.4	64
6.1	48
4.0	44
0.2	39
0.6	39
2.9	59
3.4	55
1.7	59
1.5	51
1.1	64
1.0	64
0.7	64
1.1	64
1.0	64
8.0	20
1.7	59
0.4	69
0.4	39
2.4	56
1.9	59
0.7	64
1.8	56
0.8	69
0.5	68
2.0	63
1.3	63
0.8	59
1.5	59
1.5	60
0.3	40
0.7	64
0.6	64
4.4	29
0.7	64
0.8	64
1.6	59
1.3	56
0.2	44
2.8	51
2.2	57
0.8	59
0.2	39
2.4	51
2.3	52
0.2	68
0.2	69
3.3	44
2.0	59
0.9	63
0.2	69
3.4	44
3.3	44
0.2	69
1.4	63
0.7	64
1.3	64
0.8	28
1.6	55
1.1	59
1.2	59
0.3	64
1.0	59
0.9	59
0.7	64
1.0	56
0.4	39
7.5	44
5.2	43
7.8	20
1.8	57
1.3	60
6.5	25
1.2	59
0.1	60
0.3	69
4.9	35
1.0	56
2.5	48
0.8	56
1.4	56
0.2	64
1.8	56
1.1	56
0.4	64
0.6	63
4.7	16
0.5	63
2.5	40
0.8	59
1.2	51
0.8	59
0.9	59
0.2	64
0.1	64
1.0	59
0.9	59
3.4	48
0.1	30
0.8	59
1.0	51
3.4	40
2.5	40
2.6	40
5.2	20
5.3	19
2.6	49
4.1	35
0.5	59
1.8	52
1.7	59
3.1	39
0.6	59
0.3	63
0.2	63
2.6	44
0.6	56
0.5	56
0.6	55
2.5	44
0.2	60
0.3	63
0.1	63
0.4	59
0.3	59
0.4	59
1.6	44
3.3	27
0.4	59
0.5	59
3.3	49

Compared With Other Events

Station records per event

Station records in Heat wave in China and 8 other countries, 3 to 15 January 2023 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 China and 8 other countries, 3 to 15 January 2023 (this event)	712 records

Every Record Set

20 of 712

Every record set or tied during Heat wave in China and 8 other countries, 3 to 15 January 2023, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2023-01-05	Atbasar	Record high minimum temperature	-3.3 C (26.1 F)	0.5 C (0.9 F)	108	40 of 100 (Notable)
2023-01-05	Astana	Record high minimum temperature	-3.2 C (26.2 F)	0.3 C (0.5 F)	108	40 of 100 (Notable)
2023-01-08	Kokpekty	Record high maximum temperature	-3.7 C (25.3 F)	0.1 C (0.2 F)	103	40 of 100 (Notable)
2023-01-08	Anqing	Record high maximum temperature	19.7 C (67.5 F)	3.7 C (6.7 F)	64	34 of 100 (Routine)
2023-01-09	Achinsk	Record high maximum temperature	3.2 C (37.8 F)	0.9 C (1.6 F)	120	41 of 100 (Notable)
2023-01-09	Xinyang	Record high maximum temperature	22.7 C (72.9 F)	3.9 C (7.0 F)	69	35 of 100 (Notable)
2023-01-11	Hailun	Record high maximum temperature	-4.5 C (23.9 F)	4.3 C (7.7 F)	60	33 of 100 (Routine)
2023-01-12	Bugt	Record high maximum temperature	-0.2 C (31.6 F)	0.2 C (0.4 F)	63	36 of 100 (Notable)
2023-01-12	Qian Gorlos	Record high maximum temperature	3.9 C (39.0 F)	0.1 C (0.2 F)	63	36 of 100 (Notable)
2023-01-12	Yingkou	Record high maximum temperature	8.6 C (47.5 F)	1.7 C (3.1 F)	47	34 of 100 (Routine)
2023-01-12	Agzu	Record high maximum temperature	5.8 C (42.4 F)	3.0 C (5.4 F)	39	34 of 100 (Routine)
2023-01-13	Pogranichnyj	Record high maximum temperature	6.1 C (43.0 F)	1.8 C (3.2 F)	108	43 of 100 (Notable)
2023-01-13	Fukaura	Record high minimum temperature	6.4 C (43.5 F)	1.0 C (1.8 F)	59	37 of 100 (Notable)
2023-01-13	Aikawa	Record high minimum temperature	8.8 C (47.8 F)	2.7 C (4.9 F)	59	35 of 100 (Notable)
2023-01-13	Fukuoka	Record high minimum temperature	13.5 C (56.3 F)	2.7 C (4.9 F)	64	35 of 100 (Notable)
2023-01-13	Shimonoseki	Record high minimum temperature	11.7 C (53.1 F)	2.3 C (4.1 F)	64	34 of 100 (Routine)
2023-01-14	Ajiro	Record high minimum temperature	11.8 C (53.2 F)	3.8 C (6.8 F)	51	38 of 100 (Notable)
2023-01-14	Hachijojima	Record high minimum temperature	15.2 C (59.4 F)	1.9 C (3.4 F)	68	34 of 100 (Routine)
2023-01-14	Okayama	Record high minimum temperature	10.0 C (50.0 F)	2.5 C (4.5 F)	64	34 of 100 (Routine)
2023-01-15	Chichibu	Record high minimum temperature	4.5 C (40.1 F)	3.3 C (5.9 F)	68	38 of 100 (Notable)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 712 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
1.8	108
0.9	120
0.5	108
0.3	108
0.1	103
3.3	68
3.8	51
1.0	59
0.2	63
0.1	63
3.9	69
2.7	59
2.7	64
1.7	47
3.7	64
1.9	68
2.3	64
2.5	64
3.0	39
4.3	60
4.1	60
0.2	55
5.2	55
3.2	51
0.2	53
0.3	53
2.0	64
1.1	83
4.5	51
7.1	35
2.0	69
1.2	44
3.5	56
2.4	60
2.5	60
1.7	64
1.6	64
0.3	83
5.3	48
4.8	51
4.1	55
2.9	63
3.6	56
3.6	63
0.8	40
1.4	34
2.6	51
3.4	35
1.4	64
1.2	68
1.7	64
1.8	64
6.6	51
1.4	73
3.4	51
2.4	59
2.9	59
1.6	69
0.1	43
2.0	64
2.4	59
1.9	30
1.4	69
0.5	40
0.4	43
2.4	59
2.1	55
2.2	59
1.2	64
1.7	64
1.4	64
6.1	48
4.0	44
0.2	39
0.6	39
2.9	59
3.4	55
1.7	59
1.5	51
1.1	64
1.0	64
0.7	64
1.1	64
1.0	64
8.0	20
1.7	59
0.4	69
0.4	39
2.4	56
1.9	59
0.7	64
1.8	56
0.8	69
0.5	68
2.0	63
1.3	63
0.8	59
1.5	59
1.5	60
0.3	40
0.7	64
0.6	64
4.4	29
0.7	64
0.8	64
1.6	59
1.3	56
0.2	44
2.8	51
2.2	57
0.8	59
0.2	39
2.4	51
2.3	52
0.2	68
0.2	69
3.3	44
2.0	59
0.9	63
0.2	69
3.4	44
3.3	44
0.2	69
1.4	63
0.7	64
1.3	64
0.8	28
1.6	55
1.1	59
1.2	59
0.3	64
1.0	59
0.9	59
0.7	64
1.0	56
0.4	39
7.5	44
5.2	43
7.8	20
1.8	57
1.3	60
6.5	25
1.2	59
0.1	60
0.3	69
4.9	35
1.0	56
2.5	48
0.8	56
1.4	56
0.2	64
1.8	56
1.1	56
0.4	64
0.6	63
4.7	16
0.5	63
2.5	40
0.8	59
1.2	51
0.8	59
0.9	59
0.2	64
0.1	64
1.0	59
0.9	59
3.4	48
0.1	30
0.8	59
1.0	51
3.4	40
2.5	40
2.6	40
5.2	20
5.3	19
2.6	49
4.1	35
0.5	59
1.8	52
1.7	59
3.1	39
0.6	59
0.3	63
0.2	63
2.6	44
0.6	56
0.5	56
0.6	55
2.5	44
0.2	60
0.3	63
0.1	63
0.4	59
0.3	59
0.4	59
1.6	44
3.3	27
0.4	59
0.5	59
3.3	49

Margin (C)	Years the old record stood
1.8	108
0.9	120
0.5	108
0.3	108
0.1	103
3.3	68
3.8	51
1.0	59
0.2	63
0.1	63
3.9	69
2.7	59
2.7	64
1.7	47
3.7	64
1.9	68
2.3	64
2.5	64
3.0	39
4.3	60
4.1	60
0.2	55
5.2	55
3.2	51
0.2	53
0.3	53
2.0	64
1.1	83
4.5	51
7.1	35
2.0	69
1.2	44
3.5	56
2.4	60
2.5	60
1.7	64
1.6	64
0.3	83
5.3	48
4.8	51
4.1	55
2.9	63
3.6	56
3.6	63
0.8	40
1.4	34
2.6	51
3.4	35
1.4	64
1.2	68
1.7	64
1.8	64
6.6	51
1.4	73
3.4	51
2.4	59
2.9	59
1.6	69
0.1	43
2.0	64
2.4	59
1.9	30
1.4	69
0.5	40
0.4	43
2.4	59
2.1	55
2.2	59
1.2	64
1.7	64
1.4	64
6.1	48
4.0	44
0.2	39
0.6	39
2.9	59
3.4	55
1.7	59
1.5	51
1.1	64
1.0	64
0.7	64
1.1	64
1.0	64
8.0	20
1.7	59
0.4	69
0.4	39
2.4	56
1.9	59
0.7	64
1.8	56
0.8	69
0.5	68
2.0	63
1.3	63
0.8	59
1.5	59
1.5	60
0.3	40
0.7	64
0.6	64
4.4	29
0.7	64
0.8	64
1.6	59
1.3	56
0.2	44
2.8	51
2.2	57
0.8	59
0.2	39
2.4	51
2.3	52
0.2	68
0.2	69
3.3	44
2.0	59
0.9	63
0.2	69
3.4	44
3.3	44
0.2	69
1.4	63
0.7	64
1.3	64
0.8	28
1.6	55
1.1	59
1.2	59
0.3	64
1.0	59
0.9	59
0.7	64
1.0	56
0.4	39
7.5	44
5.2	43
7.8	20
1.8	57
1.3	60
6.5	25
1.2	59
0.1	60
0.3	69
4.9	35
1.0	56
2.5	48
0.8	56
1.4	56
0.2	64
1.8	56
1.1	56
0.4	64
0.6	63
4.7	16
0.5	63
2.5	40
0.8	59
1.2	51
0.8	59
0.9	59
0.2	64
0.1	64
1.0	59
0.9	59
3.4	48
0.1	30
0.8	59
1.0	51
3.4	40
2.5	40
2.6	40
5.2	20
5.3	19
2.6	49
4.1	35
0.5	59
1.8	52
1.7	59
3.1	39
0.6	59
0.3	63
0.2	63
2.6	44
0.6	56
0.5	56
0.6	55
2.5	44
0.2	60
0.3	63
0.1	63
0.4	59
0.3	59
0.4	59
1.6	44
3.3	27
0.4	59
0.5	59
3.3	49