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Built 2026-10-19 (19 October 2026)

Heat wave in Thailand and 4 other countries, 13 June to 10 July 2023

Heat wave in Thailand and 4 other countries, 13 June to 10 July 2023: 181 records at 50 stations, peak on 23 June 2023. Closed.

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

Key Facts

  • Heat wave in Thailand and 4 other countries, 13 June to 10 July 2023 set or tied 181 station records at 50 stations.
  • It ran from 13 June 2023 to 10 July 2023 (28 days) and its peak day was 23 June 2023.
  • Status: closed.
  • Tak set a daily record high maximum temperature of 38.6 C (101.5 F) on 2 July 2023.
  • The busiest day was 23 June 2023 with 20 records.
  • The oldest broken record in the ranked list had stood for 72 years.

Footprint

13 June to 10 July 2023
Footprint of Heat wave in Thailand and 4 other countries, 13 June to 10 July 2023 The area covered by Heat wave in Thailand and 4 other countries, 13 June to 10 July 2023 is outlined, with 15 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in Thailand and 4 other countries, 13 June to 10 July 2023 is outlined, with 15 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Heat wave in Thailand and 4 other countries, 13 June to 10 July 2023: stations that set records in the event
StationTypeValueDate
Bangkok MetropolisRecord high maximum temperature38.1 C (100.6 F)2023-06-23
TakRecord high maximum temperature38.6 C (101.5 F)2023-07-02
Mae SariangRecord high minimum temperature25.5 C (77.9 F)2023-06-29
Prachin BuriRecord high minimum temperature27.4 C (81.3 F)2023-07-01
LampangRecord high minimum temperature26.5 C (79.7 F)2023-07-07
Penang IntlRecord high minimum temperature28.6 C (83.5 F)2023-06-13
Phan ThietRecord high maximum temperature36.2 C (97.2 F)2023-06-22
Chiang MaiRecord high maximum temperature36.6 C (97.9 F)2023-06-27
Prachuap Khiri KhanRecord high maximum temperature37.5 C (99.5 F)2023-06-24
Mae SotRecord high minimum temperature24.5 C (76.1 F)2023-07-08
Suphan BuriRecord high maximum temperature38.5 C (101.3 F)2023-06-23
Khon KaenRecord high maximum temperature37.5 C (99.5 F)2023-06-24
Don MuangRecord high minimum temperature28.8 C (83.8 F)2023-06-24
SattahipRecord high maximum temperature35.3 C (95.5 F)2023-06-27
KanchanaburiRecord high minimum temperature27.4 C (81.3 F)2023-06-28

Records per Day

Peak day 20
Records per day during Heat wave in Thailand and 4 other countries, 13 June to 10 July 2023 Records set or tied each day from 13 June 2023 to 10 July 2023. The most in one day was 20 on 23 June 2023. 0 5 10 15 20 06-1306-1706-2106-2406-2706-3007-0307-0607-09
Records set or tied each day from 13 June 2023 to 10 July 2023. The most in one day was 20 on 23 June 2023.
Records per day during Heat wave in Thailand and 4 other countries, 13 June to 10 July 2023
DateRecords
2023-06-132
2023-06-141
2023-06-163
2023-06-171
2023-06-191
2023-06-207
2023-06-218
2023-06-228
2023-06-2320
2023-06-2411
2023-06-255
2023-06-269
2023-06-276
2023-06-2814
2023-06-2913
2023-06-308
2023-07-0113
2023-07-025
2023-07-032
2023-07-043
2023-07-056
2023-07-066
2023-07-0714
2023-07-0812
2023-07-092
2023-07-101

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in Thailand and 4 other countries, 13 June to 10 July 2023 ranked by margin
Tak, 07-023.6 C (6.5 F)
Bangkok Metropolis, 06-232.2 C (4.0 F)
Phan Thiet, 06-221.8 C (3.2 F)
Tak, 07-081.7 C (3.1 F)
Don Muang, 06-241.4 C (2.5 F)
Bangkok Metropolis, 06-271.2 C (2.2 F)
Prachin Buri, 07-010.9 C (1.6 F)
Chiang Mai, 06-270.9 C (1.6 F)
Bangkok Metropolis, 06-300.8 C (1.4 F)
Prachin Buri, 06-300.8 C (1.4 F)
Prachuap Khiri Khan, 06-240.6 C (1.1 F)
Mae Sariang, 06-290.5 C (0.9 F)
Lampang, 07-070.4 C (0.7 F)
Kanchanaburi, 06-280.4 C (0.7 F)
Suphan Buri, 06-230.3 C (0.5 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 4 other countries, 13 June to 10 July 2023 181 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
181 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 4 other countries, 13 June to 10 July 2023
Margin (C)Years the old record stood
3.653
2.264
1.272
0.568
0.460
0.949
0.15
0.264
0.956
1.840
0.260
0.660
1.740
0.164
0.360
0.453
0.844
1.426
0.164
0.836
1.044
1.340
0.450
1.925
0.845
0.845
0.344
0.924
0.542
0.444
1.126
1.228
0.740
0.840
0.636
1.524
0.640
0.640
0.728
0.310
0.145
0.144
0.632
0.829
0.240
0.341
1.026
0.736
0.26
0.536
0.336
0.934
0.24
1.016
0.621
0.240
0.832
1.029
0.724
0.912
0.12
0.924
0.525
0.529
0.824
1.018
0.326
0.20
0.236
1.02
0.524
0.618
0.330
0.625
0.526
0.12
1.213
1.216
1.510
0.320
0.324
1.56
0.128
0.325
0.89
0.336
0.424
0.226
0.125
0.325
1.08
1.18
0.129
0.224
0.813
0.520
0.812
0.910
0.69
0.84
0.218
1.012
0.614
0.512
0.68
0.812
0.68
1.08
0.118
0.98
0.78
0.68
0.218
0.85
0.713
0.517
0.416
0.49
0.213
1.12
0.72
0.72
0.48
1.00
0.412
0.612
0.510
2.51
0.86
0.74
0.42
0.68
0.58
0.42
0.28
0.59
0.312
0.91
0.38
0.38
0.212
0.312
1.48
0.64
0.54
0.112
0.64
0.82
0.28
0.112
0.64
0.42
0.38
0.28
0.112
0.112
0.513
0.118
0.49
0.19
0.22
0.14
0.32
0.18
0.18
0.18
0.18
0.24
0.50
1.70
1.41
1.08
0.35
0.22
0.14
0.30
0.14
0.62
0.40
0.21
0.34

Compared With Other Events

Station records per event
Station records in Heat wave in Thailand and 4 other countries, 13 June to 10 July 2023 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 4 other countries, 13 June to 10 July 2023 (this event)181 records

Every Record Set

20 of 181
Every record set or tied during Heat wave in Thailand and 4 other countries, 13 June to 10 July 2023, in date order
DateStationRecordValueMarginYears stoodSignificance
2023-06-13Penang IntlRecord high minimum temperature28.6 C (83.5 F)0.1 C (0.2 F)528 of 100 (Routine)
2023-06-22Phan ThietRecord high maximum temperature36.2 C (97.2 F)1.8 C (3.2 F)4028 of 100 (Routine)
2023-06-23Bangkok MetropolisRecord high maximum temperature38.1 C (100.6 F)2.2 C (4.0 F)6439 of 100 (Notable)
2023-06-23Suphan BuriRecord high maximum temperature38.5 C (101.3 F)0.3 C (0.5 F)6026 of 100 (Routine)
2023-06-24Prachuap Khiri KhanRecord high maximum temperature37.5 C (99.5 F)0.6 C (1.1 F)6027 of 100 (Routine)
2023-06-24Khon KaenRecord high maximum temperature37.5 C (99.5 F)0.1 C (0.2 F)6426 of 100 (Routine)
2023-06-24Don MuangRecord high minimum temperature28.8 C (83.8 F)1.4 C (2.5 F)2626 of 100 (Routine)
2023-06-27Bangkok MetropolisRecord high maximum temperature38.0 C (100.4 F)1.2 C (2.2 F)7235 of 100 (Notable)
2023-06-27Chiang MaiRecord high maximum temperature36.6 C (97.9 F)0.9 C (1.6 F)5628 of 100 (Routine)
2023-06-27SattahipRecord high maximum temperature35.3 C (95.5 F)0.1 C (0.2 F)6426 of 100 (Routine)
2023-06-28KanchanaburiRecord high minimum temperature27.4 C (81.3 F)0.4 C (0.7 F)5326 of 100 (Routine)
2023-06-29Mae SariangRecord high minimum temperature25.5 C (77.9 F)0.5 C (0.9 F)6832 of 100 (Routine)
2023-06-30Bangkok MetropolisRecord high minimum temperature28.6 C (83.5 F)0.8 C (1.4 F)4426 of 100 (Routine)
2023-06-30Prachin BuriRecord high minimum temperature27.5 C (81.5 F)0.8 C (1.4 F)3625 of 100 (Routine)
2023-07-01Prachin BuriRecord high minimum temperature27.4 C (81.3 F)0.9 C (1.6 F)4929 of 100 (Routine)
2023-07-02TakRecord high maximum temperature38.6 C (101.5 F)3.6 C (6.5 F)5339 of 100 (Notable)
2023-07-02Mae SariangRecord high minimum temperature25.0 C (77.0 F)0.2 C (0.4 F)6428 of 100 (Routine)
2023-07-07LampangRecord high minimum temperature26.5 C (79.7 F)0.4 C (0.7 F)6029 of 100 (Routine)
2023-07-08Mae SotRecord high minimum temperature24.5 C (76.1 F)0.2 C (0.4 F)6027 of 100 (Routine)
2023-07-08TakRecord high maximum temperature38.8 C (101.8 F)1.7 C (3.1 F)4026 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 181 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.