Heat wave in China and 2 other countries, 23 October to 5 November 2020

Name: Heat wave in China and 2 other countries, 23 October to 5 November 2020
Start: 2020-10-23
End: 2020-11-05
Location: China, India, Thailand

Heat wave in China and 2 other countries, 23 October to 5 November 2020: 149 records at 39 stations, peak on 31 October 2020. Closed.

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

Key Facts

Heat wave in China and 2 other countries, 23 October to 5 November 2020 set or tied 149 station records at 39 stations.
It ran from 23 October 2020 to 5 November 2020 (14 days) and its peak day was 31 October 2020.
Status: closed.
Qumarleb set a monthly record high maximum temperature of 13.2 C (55.8 F) on 1 November 2020.
The busiest day was 31 October 2020 with 21 records.
The oldest broken record in the ranked list had stood for 68 years.

Footprint

23 October to 5 November 2020

The area covered by Heat wave in China and 2 other countries, 23 October to 5 November 2020 is outlined, with 14 of the stations that set records marked, coloured by record type. Made with Natural Earth.

Footprint of Heat wave in China and 2 other countries, 23 October to 5 November 2020: stations that set records in the event
Station	Type	Value	Date
Qumarleb	Record high maximum temperature	13.2 C (55.8 F)	2020-11-01
Madoi	Record high maximum temperature	10.1 C (50.2 F)	2020-11-01
Da-Qaidam	Record high maximum temperature	14.8 C (58.6 F)	2020-10-30
Darlag	Record high maximum temperature	14.4 C (57.9 F)	2020-11-01
Deqen	Record high maximum temperature	16.2 C (61.2 F)	2020-11-02
Sog Xian	Record high maximum temperature	16.3 C (61.3 F)	2020-11-01
Baingoin	Record high maximum temperature	10.1 C (50.2 F)	2020-11-01
Tengchong	Record high minimum temperature	15.8 C (60.4 F)	2020-11-02
Ruo'ergai	Record high minimum temperature	-0.9 C (30.4 F)	2020-11-04
Yushu	Record high maximum temperature	17.4 C (63.3 F)	2020-10-30
Garze	Record high maximum temperature	20.6 C (69.1 F)	2020-10-31
Huili	Record high minimum temperature	15.6 C (60.1 F)	2020-10-31
Dibrugarh/Mohanbar	Record high minimum temperature	20.6 C (69.1 F)	2020-11-04
Litang	Record high minimum temperature	3.6 C (38.5 F)	2020-10-25

Records per Day

Peak day 21

Records set or tied each day from 23 October 2020 to 5 November 2020. The most in one day was 21 on 31 October 2020.

Records per day during Heat wave in China and 2 other countries, 23 October to 5 November 2020
Date	Records
2020-10-23	3
2020-10-24	4
2020-10-25	8
2020-10-26	16
2020-10-27	13
2020-10-28	5
2020-10-29	7
2020-10-30	18
2020-10-31	21
2020-11-01	16
2020-11-02	13
2020-11-03	15
2020-11-04	8
2020-11-05	2

Top Records by Margin

Margin over the record replaced

Top records of Heat wave in China and 2 other countries, 23 October to 5 November 2020 ranked by margin
Sog Xian, 11-01	5.2 C (9.4 F)
Madoi, 10-30	4.0 C (7.2 F)
Da-Qaidam, 10-30	3.4 C (6.1 F)
Qumarleb, 11-01	2.9 C (5.2 F)
Sog Xian, 10-26	2.9 C (5.2 F)
Baingoin, 11-01	2.6 C (4.7 F)
Madoi, 10-27	2.6 C (4.7 F)
Qumarleb, 10-26	2.4 C (4.3 F)
Yushu, 10-30	1.9 C (3.4 F)
Deqen, 11-02	1.6 C (2.9 F)
Garze, 10-31	1.4 C (2.5 F)
Huili, 10-31	1.2 C (2.2 F)
Deqen, 11-01	1.1 C (2.0 F)
Deqen, 10-27	1.0 C (1.8 F)
Tengchong, 11-02	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

149 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 2 other countries, 23 October to 5 November 2020
Margin (C)	Years the old record stood
2.9	56
3.4	62
0.5	56
0.4	56
1.6	67
2.6	56
5.2	32
1.0	67
2.6	56
0.1	45
2.9	56
1.1	66
0.9	64
2.4	56
1.9	56
4.0	42
1.4	59
1.2	58
0.6	62
0.2	68
0.5	66
0.8	21
0.4	62
0.4	62
1.4	56
1.4	56
1.0	56
1.0	56
1.2	56
3.8	36
4.1	33
2.3	45
0.9	56
1.1	56
0.4	56
0.3	23
1.0	46
0.6	56
3.6	32
2.0	45
0.1	56
0.6	56
1.0	44
0.8	46
0.1	21
0.3	56
0.1	56
0.3	56
0.1	56
0.4	56
0.1	56
0.2	56
0.2	50
0.7	48
0.4	50
1.5	39
0.8	45
0.4	46
0.4	45
0.5	45
0.7	45
0.5	45
0.1	48
0.1	45
0.8	45
0.5	45
0.1	45
0.2	45
1.0	45
0.1	45
0.3	46
0.4	45
0.3	10
0.5	36
0.7	4
0.6	45
4.1	11
2.1	26
0.7	33
3.7	9
0.2	45
3.9	6
2.4	25
0.2	45
3.6	10
0.3	39
1.1	25
1.7	19
0.2	0
0.3	33
0.2	36
1.0	36
1.9	25
1.2	25
0.7	25
2.4	11
1.0	21
0.4	24
0.9	22
0.9	22
0.4	22
1.0	10
0.5	22
0.1	27
1.4	20
2.2	10
2.3	10
1.7	11
1.2	18
1.2	11
1.8	10
0.4	25
1.4	10
1.9	10
0.2	21
0.2	25
1.0	12
1.7	10
2.3	7
1.0	10
1.0	11
0.8	13
1.6	11
0.6	14
0.4	12
0.2	12
0.8	10
0.6	13
0.6	13
0.5	11
0.2	11
0.2	11
0.1	10
0.4	8
0.6	1
0.1	15
0.5	5
1.4	3
0.3	11
0.6	1
0.5	1
0.4	6
1.0	1
0.4	6
0.4	1
0.1	6
0.2	13
0.2	6
0.2	2

Compared With Other Events

Station records per event

Station records in Heat wave in China and 2 other countries, 23 October to 5 November 2020 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 2 other countries, 23 October to 5 November 2020 (this event)	149 records

Every Record Set

20 of 149

Every record set or tied during Heat wave in China and 2 other countries, 23 October to 5 November 2020, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2020-10-25	Litang	Record high minimum temperature	3.6 C (38.5 F)	0.2 C (0.4 F)	68	26 of 100 (Routine)
2020-10-26	Sog Xian	Record high maximum temperature	19.0 C (66.2 F)	2.9 C (5.2 F)	56	28 of 100 (Routine)
2020-10-26	Qumarleb	Record high maximum temperature	13.9 C (57.0 F)	2.4 C (4.3 F)	56	27 of 100 (Routine)
2020-10-27	Deqen	Record high maximum temperature	16.2 C (61.2 F)	1.0 C (1.8 F)	67	29 of 100 (Routine)
2020-10-27	Madoi	Record high maximum temperature	11.3 C (52.3 F)	2.6 C (4.7 F)	56	28 of 100 (Routine)
2020-10-30	Da-Qaidam	Record high maximum temperature	14.8 C (58.6 F)	3.4 C (6.1 F)	62	33 of 100 (Routine)
2020-10-30	Yushu	Record high maximum temperature	17.4 C (63.3 F)	1.9 C (3.4 F)	56	27 of 100 (Routine)
2020-10-30	Madoi	Record high maximum temperature	10.4 C (50.7 F)	4.0 C (7.2 F)	42	27 of 100 (Routine)
2020-10-31	Garze	Record high maximum temperature	20.6 C (69.1 F)	1.4 C (2.5 F)	59	27 of 100 (Routine)
2020-10-31	Huili	Record high minimum temperature	15.6 C (60.1 F)	1.2 C (2.2 F)	58	27 of 100 (Routine)
2020-11-01	Qumarleb	Record high maximum temperature	13.2 C (55.8 F)	2.9 C (5.2 F)	56	39 of 100 (Notable)
2020-11-01	Madoi	Record high maximum temperature	10.1 C (50.2 F)	0.5 C (0.9 F)	56	33 of 100 (Routine)
2020-11-01	Darlag	Record high maximum temperature	14.4 C (57.9 F)	0.4 C (0.7 F)	56	33 of 100 (Routine)
2020-11-01	Baingoin	Record high maximum temperature	10.1 C (50.2 F)	2.6 C (4.7 F)	56	29 of 100 (Routine)
2020-11-01	Sog Xian	Record high maximum temperature	16.3 C (61.3 F)	5.2 C (9.4 F)	32	29 of 100 (Routine)
2020-11-01	Deqen	Record high maximum temperature	16.4 C (61.5 F)	1.1 C (2.0 F)	66	28 of 100 (Routine)
2020-11-02	Deqen	Record high maximum temperature	16.2 C (61.2 F)	1.6 C (2.9 F)	67	31 of 100 (Routine)
2020-11-02	Tengchong	Record high minimum temperature	15.8 C (60.4 F)	0.9 C (1.6 F)	64	28 of 100 (Routine)
2020-11-04	Ruo'ergai	Record high minimum temperature	-0.9 C (30.4 F)	0.1 C (0.2 F)	45	28 of 100 (Routine)
2020-11-04	Dibrugarh/Mohanbar	Record high minimum temperature	20.6 C (69.1 F)	0.6 C (1.1 F)	62	27 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 149 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
2.9	56
3.4	62
0.5	56
0.4	56
1.6	67
2.6	56
5.2	32
1.0	67
2.6	56
0.1	45
2.9	56
1.1	66
0.9	64
2.4	56
1.9	56
4.0	42
1.4	59
1.2	58
0.6	62
0.2	68
0.5	66
0.8	21
0.4	62
0.4	62
1.4	56
1.4	56
1.0	56
1.0	56
1.2	56
3.8	36
4.1	33
2.3	45
0.9	56
1.1	56
0.4	56
0.3	23
1.0	46
0.6	56
3.6	32
2.0	45
0.1	56
0.6	56
1.0	44
0.8	46
0.1	21
0.3	56
0.1	56
0.3	56
0.1	56
0.4	56
0.1	56
0.2	56
0.2	50
0.7	48
0.4	50
1.5	39
0.8	45
0.4	46
0.4	45
0.5	45
0.7	45
0.5	45
0.1	48
0.1	45
0.8	45
0.5	45
0.1	45
0.2	45
1.0	45
0.1	45
0.3	46
0.4	45
0.3	10
0.5	36
0.7	4
0.6	45
4.1	11
2.1	26
0.7	33
3.7	9
0.2	45
3.9	6
2.4	25
0.2	45
3.6	10
0.3	39
1.1	25
1.7	19
0.2	0
0.3	33
0.2	36
1.0	36
1.9	25
1.2	25
0.7	25
2.4	11
1.0	21
0.4	24
0.9	22
0.9	22
0.4	22
1.0	10
0.5	22
0.1	27
1.4	20
2.2	10
2.3	10
1.7	11
1.2	18
1.2	11
1.8	10
0.4	25
1.4	10
1.9	10
0.2	21
0.2	25
1.0	12
1.7	10
2.3	7
1.0	10
1.0	11
0.8	13
1.6	11
0.6	14
0.4	12
0.2	12
0.8	10
0.6	13
0.6	13
0.5	11
0.2	11
0.2	11
0.1	10
0.4	8
0.6	1
0.1	15
0.5	5
1.4	3
0.3	11
0.6	1
0.5	1
0.4	6
1.0	1
0.4	6
0.4	1
0.1	6
0.2	13
0.2	6
0.2	2

Margin (C)	Years the old record stood
2.9	56
3.4	62
0.5	56
0.4	56
1.6	67
2.6	56
5.2	32
1.0	67
2.6	56
0.1	45
2.9	56
1.1	66
0.9	64
2.4	56
1.9	56
4.0	42
1.4	59
1.2	58
0.6	62
0.2	68
0.5	66
0.8	21
0.4	62
0.4	62
1.4	56
1.4	56
1.0	56
1.0	56
1.2	56
3.8	36
4.1	33
2.3	45
0.9	56
1.1	56
0.4	56
0.3	23
1.0	46
0.6	56
3.6	32
2.0	45
0.1	56
0.6	56
1.0	44
0.8	46
0.1	21
0.3	56
0.1	56
0.3	56
0.1	56
0.4	56
0.1	56
0.2	56
0.2	50
0.7	48
0.4	50
1.5	39
0.8	45
0.4	46
0.4	45
0.5	45
0.7	45
0.5	45
0.1	48
0.1	45
0.8	45
0.5	45
0.1	45
0.2	45
1.0	45
0.1	45
0.3	46
0.4	45
0.3	10
0.5	36
0.7	4
0.6	45
4.1	11
2.1	26
0.7	33
3.7	9
0.2	45
3.9	6
2.4	25
0.2	45
3.6	10
0.3	39
1.1	25
1.7	19
0.2	0
0.3	33
0.2	36
1.0	36
1.9	25
1.2	25
0.7	25
2.4	11
1.0	21
0.4	24
0.9	22
0.9	22
0.4	22
1.0	10
0.5	22
0.1	27
1.4	20
2.2	10
2.3	10
1.7	11
1.2	18
1.2	11
1.8	10
0.4	25
1.4	10
1.9	10
0.2	21
0.2	25
1.0	12
1.7	10
2.3	7
1.0	10
1.0	11
0.8	13
1.6	11
0.6	14
0.4	12
0.2	12
0.8	10
0.6	13
0.6	13
0.5	11
0.2	11
0.2	11
0.1	10
0.4	8
0.6	1
0.1	15
0.5	5
1.4	3
0.3	11
0.6	1
0.5	1
0.4	6
1.0	1
0.4	6
0.4	1
0.1	6
0.2	13
0.2	6
0.2	2