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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Heat wave in Thailand and 5 other countries, 20 February to 19 March 2020

Heat wave in Thailand and 5 other countries, 20 February to 19 March 2020: 252 records at 72 stations, peak on 14 March 2020. Closed.

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

Key Facts

  • Heat wave in Thailand and 5 other countries, 20 February to 19 March 2020 set or tied 252 station records at 72 stations.
  • It ran from 20 February 2020 to 19 March 2020 (29 days) and its peak day was 14 March 2020.
  • Status: closed.
  • Chiang Mai set a monthly record high maximum temperature of 40.0 C (104.0 F) on 15 March 2020.
  • The busiest day was 14 March 2020 with 25 records.
  • The oldest broken record in the ranked list had stood for 67 years.

Footprint

20 February to 19 March 2020
Footprint of Heat wave in Thailand and 5 other countries, 20 February to 19 March 2020 The area covered by Heat wave in Thailand and 5 other countries, 20 February to 19 March 2020 is outlined, with 18 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in Thailand and 5 other countries, 20 February to 19 March 2020 is outlined, with 18 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Heat wave in Thailand and 5 other countries, 20 February to 19 March 2020: stations that set records in the event
StationTypeValueDate
Suphan BuriRecord high maximum temperature40.9 C (105.6 F)2020-03-10
Chiang MaiRecord high maximum temperature40.0 C (104.0 F)2020-03-15
Don MuangRecord high maximum temperature39.5 C (103.1 F)2020-03-09
LijingRecord high maximum temperature25.7 C (78.3 F)2020-03-14
Sultan Mahmud Badaruddin IIRecord high minimum temperature25.8 C (78.4 F)2020-03-14
Penang IntlRecord high minimum temperature26.6 C (79.9 F)2020-02-29
SimaoRecord high maximum temperature32.1 C (89.8 F)2020-03-15
Lop BuriRecord high maximum temperature39.6 C (103.3 F)2020-03-08
ChuxiongRecord high maximum temperature27.8 C (82.0 F)2020-03-15
Sultan Ismail PetraRecord high minimum temperature26.4 C (79.5 F)2020-03-15
DeqenRecord high maximum temperature16.1 C (61.0 F)2020-03-15
Surat ThaniRecord high maximum temperature38.0 C (100.4 F)2020-03-11
HuiliRecord high maximum temperature28.0 C (82.4 F)2020-03-15
Sibolga/PinangsoriRecord high maximum temperature36.2 C (97.2 F)2020-02-21
SongkhlaRecord high maximum temperature33.4 C (92.1 F)2020-02-25
Phuket AirportRecord high maximum temperature35.4 C (95.7 F)2020-02-29
LancangRecord high maximum temperature32.8 C (91.0 F)2020-03-14
LincangRecord high maximum temperature29.5 C (85.1 F)2020-03-16

Records per Day

Peak day 25
Records per day during Heat wave in Thailand and 5 other countries, 20 February to 19 March 2020 Records set or tied each day from 20 February 2020 to 19 March 2020. The most in one day was 25 on 14 March 2020. 0 6 13 19 25 02-2002-2302-2602-2903-0303-0603-0903-1203-1503-18
Records set or tied each day from 20 February 2020 to 19 March 2020. The most in one day was 25 on 14 March 2020.
Records per day during Heat wave in Thailand and 5 other countries, 20 February to 19 March 2020
DateRecords
2020-02-201
2020-02-213
2020-02-221
2020-02-234
2020-02-244
2020-02-255
2020-02-265
2020-02-272
2020-02-285
2020-02-2920
2020-03-016
2020-03-027
2020-03-032
2020-03-047
2020-03-055
2020-03-062
2020-03-072
2020-03-087
2020-03-0919
2020-03-1014
2020-03-1118
2020-03-1215
2020-03-1322
2020-03-1425
2020-03-1522
2020-03-1615
2020-03-177
2020-03-184
2020-03-193

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in Thailand and 5 other countries, 20 February to 19 March 2020 ranked by margin
Lijing, 03-143.9 C (7.0 F)
Don Muang, 03-092.7 C (4.9 F)
Lijing, 03-152.6 C (4.7 F)
Suphan Buri, 03-102.5 C (4.5 F)
Penang Intl, 02-292.0 C (3.6 F)
Sultan Mahmud Badaruddin II, 03-141.8 C (3.2 F)
Simao, 03-151.8 C (3.2 F)
Sultan Ismail Petra, 03-151.4 C (2.5 F)
Deqen, 03-151.4 C (2.5 F)
Lop Buri, 03-081.1 C (2.0 F)
Chuxiong, 03-151.0 C (1.8 F)
Lincang, 03-161.0 C (1.8 F)
Huili, 03-150.7 C (1.3 F)
Songkhla, 02-250.6 C (1.1 F)
Simao, 03-140.5 C (0.9 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

Margin against age of the broken record in Heat wave in Thailand and 5 other countries, 20 February to 19 March 2020 252 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. 0 20 40 60 80 0.01.02.03.04.0 Margin (C) Years the old record stood
252 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 Thailand and 5 other countries, 20 February to 19 March 2020
Margin (C)Years the old record stood
0.459
2.561
3.951
1.841
2.740
2.028
1.867
1.067
1.439
1.161
1.467
2.647
0.767
0.567
0.562
0.431
0.364
0.646
1.059
0.366
0.762
0.260
0.751
0.654
0.360
1.340
0.747
1.141
1.547
0.948
1.328
1.141
0.940
1.916
0.90
1.425
0.321
1.433
0.541
1.210
0.738
1.042
0.347
0.930
0.745
0.932
2.14
0.63
0.122
1.118
0.250
0.247
0.540
0.635
0.643
0.218
0.146
0.440
0.342
0.147
0.241
1.229
2.04
0.641
0.722
0.140
0.140
0.241
0.442
0.632
1.79
0.140
0.433
0.141
1.139
0.639
0.822
0.822
0.535
1.421
0.629
0.921
0.332
0.141
0.432
1.44
0.618
0.240
0.439
1.14
0.729
0.723
0.11
0.722
0.11
0.629
1.17
1.214
0.239
0.622
0.20
1.48
0.420
0.432
0.526
0.821
0.729
0.132
0.715
0.33
1.416
2.17
0.20
0.232
0.616
0.10
0.95
0.521
0.84
1.59
0.522
0.226
0.522
0.521
0.422
0.810
0.711
0.129
1.016
1.513
1.20
0.21
0.23
0.132
0.67
0.319
0.410
0.615
1.012
0.322
0.222
0.98
1.08
0.223
0.633
1.515
1.016
0.614
1.19
0.422
0.610
1.34
0.121
0.121
0.122
0.521
0.121
0.121
1.013
0.616
0.716
0.416
0.94
0.710
0.216
0.122
0.610
0.219
0.85
0.67
0.56
0.310
0.313
0.313
1.17
0.316
0.310
0.414
0.317
0.414
0.39
0.115
0.313
0.213
0.48
0.313
0.75
0.210
0.213
0.423
0.216
0.412
0.57
0.116
0.314
0.316
0.46
0.34
0.48
0.113

Compared With Other Events

Station records per event
Station records in Heat wave in Thailand and 5 other countries, 20 February to 19 March 2020 compared with similar events
Heat wave in United States and Mexico, 16 January to 14 February 20249,869 records
Heat wave in United States, 28 January to 24 February 20266,528 records
Heat wave in United States and Mexico, 24 May to 19 June 20205,047 records
Heat wave in United States and Mexico, 26 March to 17 April 20213,669 records
Heat wave in Germany and 49 other countries, 18 December 2021 to 15 January 20223,626 records
Heat wave in Thailand and 5 other countries, 20 February to 19 March 2020 (this event)252 records

Every Record Set

20 of 252
Every record set or tied during Heat wave in Thailand and 5 other countries, 20 February to 19 March 2020, in date order
DateStationRecordValueMarginYears stoodSignificance
2020-02-21Sibolga/PinangsoriRecord high maximum temperature36.2 C (97.2 F)0.4 C (0.7 F)3127 of 100 (Routine)
2020-02-25SongkhlaRecord high maximum temperature33.4 C (92.1 F)0.6 C (1.1 F)4627 of 100 (Routine)
2020-02-29Penang IntlRecord high minimum temperature26.6 C (79.9 F)2.0 C (3.6 F)2833 of 100 (Routine)
2020-02-29Phuket AirportRecord high maximum temperature35.4 C (95.7 F)0.3 C (0.5 F)6427 of 100 (Routine)
2020-03-08Lop BuriRecord high maximum temperature39.6 C (103.3 F)1.1 C (2.0 F)6130 of 100 (Routine)
2020-03-09Don MuangRecord high maximum temperature39.5 C (103.1 F)2.7 C (4.9 F)4034 of 100 (Routine)
2020-03-10Suphan BuriRecord high maximum temperature40.9 C (105.6 F)2.5 C (4.5 F)6135 of 100 (Notable)
2020-03-11Surat ThaniRecord high maximum temperature38.0 C (100.4 F)0.5 C (0.9 F)6228 of 100 (Routine)
2020-03-14LijingRecord high maximum temperature25.7 C (78.3 F)3.9 C (7.0 F)5134 of 100 (Routine)
2020-03-14Sultan Mahmud Badaruddin IIRecord high minimum temperature25.8 C (78.4 F)1.8 C (3.2 F)4134 of 100 (Routine)
2020-03-14SimaoRecord high maximum temperature31.6 C (88.9 F)0.5 C (0.9 F)6728 of 100 (Routine)
2020-03-14LancangRecord high maximum temperature32.8 C (91.0 F)0.3 C (0.5 F)6626 of 100 (Routine)
2020-03-15Chiang MaiRecord high maximum temperature40.0 C (104.0 F)0.4 C (0.7 F)5935 of 100 (Notable)
2020-03-15SimaoRecord high maximum temperature32.1 C (89.8 F)1.8 C (3.2 F)6732 of 100 (Routine)
2020-03-15ChuxiongRecord high maximum temperature27.8 C (82.0 F)1.0 C (1.8 F)6730 of 100 (Routine)
2020-03-15Sultan Ismail PetraRecord high minimum temperature26.4 C (79.5 F)1.4 C (2.5 F)3930 of 100 (Routine)
2020-03-15DeqenRecord high maximum temperature16.1 C (61.0 F)1.4 C (2.5 F)6729 of 100 (Routine)
2020-03-15LijingRecord high maximum temperature25.7 C (78.3 F)2.6 C (4.7 F)4729 of 100 (Routine)
2020-03-15HuiliRecord high maximum temperature28.0 C (82.4 F)0.7 C (1.3 F)6728 of 100 (Routine)
2020-03-16LincangRecord high maximum temperature29.5 C (85.1 F)1.0 C (1.8 F)5926 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 252 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.