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Built 2026-10-19 (19 October 2026)

Heat wave in Thailand and 2 other countries, 18 June to 1 July 2019

Heat wave in Thailand and 2 other countries, 18 June to 1 July 2019: 123 records at 40 stations, peak on 22 June 2019. Closed.

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

Key Facts

  • Heat wave in Thailand and 2 other countries, 18 June to 1 July 2019 set or tied 123 station records at 40 stations.
  • It ran from 18 June 2019 to 1 July 2019 (14 days) and its peak day was 22 June 2019.
  • Status: closed.
  • Loei set a daily record high maximum temperature of 38.7 C (101.7 F) on 23 June 2019.
  • The busiest day was 22 June 2019 with 33 records.
  • The oldest broken record in the ranked list had stood for 64 years.

Footprint

18 June to 1 July 2019
Footprint of Heat wave in Thailand and 2 other countries, 18 June to 1 July 2019 The area covered by Heat wave in Thailand and 2 other countries, 18 June to 1 July 2019 is outlined, with 14 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in Thailand and 2 other countries, 18 June to 1 July 2019 is outlined, with 14 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Heat wave in Thailand and 2 other countries, 18 June to 1 July 2019: stations that set records in the event
StationTypeValueDate
LoeiRecord high maximum temperature38.7 C (101.7 F)2019-06-23
Ubon RatchathaniRecord high minimum temperature27.9 C (82.2 F)2019-06-21
Mae SariangRecord high minimum temperature26.0 C (78.8 F)2019-06-25
Nakhon PhanomRecord high minimum temperature27.7 C (81.9 F)2019-06-22
PhetchabunRecord high maximum temperature39.2 C (102.6 F)2019-06-24
Chiang MaiRecord high maximum temperature39.3 C (102.7 F)2019-06-22
ChanthaburiRecord high maximum temperature34.8 C (94.6 F)2019-06-22
SurinRecord high maximum temperature37.4 C (99.3 F)2019-06-21
MukdahanRecord high minimum temperature27.0 C (80.6 F)2019-06-27
Roi EtRecord high maximum temperature37.7 C (99.9 F)2019-06-23
Chiang RaiRecord high maximum temperature36.7 C (98.1 F)2019-06-27
Phitsanulok/SaritRecord high maximum temperature38.0 C (100.4 F)2019-06-22
VinhRecord high maximum temperature40.5 C (104.9 F)2019-06-22
DongfangRecord high minimum temperature30.3 C (86.5 F)2019-06-23

Records per Day

Peak day 33
Records per day during Heat wave in Thailand and 2 other countries, 18 June to 1 July 2019 Records set or tied each day from 18 June 2019 to 1 July 2019. The most in one day was 33 on 22 June 2019. 0 10 20 30 40 06-1806-2006-2206-2406-2606-2806-30
Records set or tied each day from 18 June 2019 to 1 July 2019. The most in one day was 33 on 22 June 2019.
Records per day during Heat wave in Thailand and 2 other countries, 18 June to 1 July 2019
DateRecords
2019-06-181
2019-06-191
2019-06-201
2019-06-2115
2019-06-2233
2019-06-2325
2019-06-249
2019-06-258
2019-06-267
2019-06-278
2019-06-287
2019-06-294
2019-06-303
2019-07-011

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in Thailand and 2 other countries, 18 June to 1 July 2019 ranked by margin
Chiang Mai, 06-222.8 C (5.0 F)
Loei, 06-232.5 C (4.5 F)
Phetchabun, 06-242.1 C (3.8 F)
Chiang Rai, 06-271.7 C (3.1 F)
Chanthaburi, 06-221.3 C (2.3 F)
Dongfang, 06-291.3 C (2.3 F)
Mae Sariang, 06-251.1 C (2.0 F)
Nakhon Phanom, 06-221.1 C (2.0 F)
Roi Et, 06-231.1 C (2.0 F)
Nakhon Phanom, 06-230.9 C (1.6 F)
Surin, 06-210.9 C (1.6 F)
Mukdahan, 06-210.8 C (1.4 F)
Ubon Ratchathani, 06-300.8 C (1.4 F)
Phitsanulok/Sarit, 06-220.7 C (1.3 F)
Surin, 06-220.7 C (1.3 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

Margin against age of the broken record in Heat wave in Thailand and 2 other countries, 18 June to 1 July 2019 123 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 0.00.81.52.33.0 Margin (C) Years the old record stood
123 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 2 other countries, 18 June to 1 July 2019
Margin (C)Years the old record stood
2.560
1.157
0.160
1.160
2.158
2.836
1.360
1.752
0.921
0.664
1.160
0.960
0.142
0.761
0.860
0.760
0.542
0.260
1.342
0.845
0.261
1.141
2.026
0.160
1.325
0.752
1.432
2.125
2.125
0.552
0.749
2.120
0.832
1.413
2.020
1.341
0.252
1.226
0.240
0.340
1.525
0.920
1.912
0.826
1.712
1.224
0.528
1.520
0.820
0.141
0.925
1.221
0.820
0.925
1.04
0.14
0.628
0.617
2.44
1.216
1.512
0.520
0.325
0.520
0.625
2.112
0.132
0.616
0.612
0.228
0.325
0.714
0.433
1.64
0.532
0.612
0.413
0.513
0.332
0.10
0.532
1.012
0.220
0.612
0.220
0.90
0.65
0.724
1.08
0.120
0.220
0.74
0.121
0.121
0.420
0.78
0.113
0.412
1.10
1.06
0.224
0.45
0.114
0.48
0.412
0.68
0.51
0.414
1.04
0.38
0.28
0.112
0.34
1.09
0.94
1.00
0.19
0.18
0.54
0.14
0.58
0.74
0.30

Compared With Other Events

Station records per event
Station records in Heat wave in Thailand and 2 other countries, 18 June to 1 July 2019 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 2 other countries, 18 June to 1 July 2019 (this event)123 records

Every Record Set

20 of 123
Every record set or tied during Heat wave in Thailand and 2 other countries, 18 June to 1 July 2019, in date order
DateStationRecordValueMarginYears stoodSignificance
2019-06-21Ubon RatchathaniRecord high minimum temperature27.9 C (82.2 F)0.1 C (0.2 F)6034 of 100 (Routine)
2019-06-21SurinRecord high maximum temperature37.4 C (99.3 F)0.9 C (1.6 F)6029 of 100 (Routine)
2019-06-21MukdahanRecord high maximum temperature37.5 C (99.5 F)0.8 C (1.4 F)6027 of 100 (Routine)
2019-06-22Nakhon PhanomRecord high minimum temperature27.7 C (81.9 F)1.1 C (2.0 F)6033 of 100 (Routine)
2019-06-22Chiang MaiRecord high maximum temperature39.3 C (102.7 F)2.8 C (5.0 F)3631 of 100 (Routine)
2019-06-22ChanthaburiRecord high maximum temperature34.8 C (94.6 F)1.3 C (2.3 F)6031 of 100 (Routine)
2019-06-22MukdahanRecord high minimum temperature28.5 C (83.3 F)0.1 C (0.2 F)4228 of 100 (Routine)
2019-06-22Phitsanulok/SaritRecord high maximum temperature38.0 C (100.4 F)0.7 C (1.3 F)6127 of 100 (Routine)
2019-06-22SurinRecord high maximum temperature38.0 C (100.4 F)0.7 C (1.3 F)6027 of 100 (Routine)
2019-06-22VinhRecord high maximum temperature40.5 C (104.9 F)0.5 C (0.9 F)4227 of 100 (Routine)
2019-06-23LoeiRecord high maximum temperature38.7 C (101.7 F)2.5 C (4.5 F)6036 of 100 (Notable)
2019-06-23Nakhon PhanomRecord high minimum temperature28.9 C (84.0 F)0.9 C (1.6 F)2129 of 100 (Routine)
2019-06-23Roi EtRecord high maximum temperature37.7 C (99.9 F)1.1 C (2.0 F)6029 of 100 (Routine)
2019-06-23DongfangRecord high minimum temperature30.3 C (86.5 F)0.2 C (0.4 F)6025 of 100 (Routine)
2019-06-24PhetchabunRecord high maximum temperature39.2 C (102.6 F)2.1 C (3.8 F)5833 of 100 (Routine)
2019-06-25Mae SariangRecord high minimum temperature26.0 C (78.8 F)1.1 C (2.0 F)5734 of 100 (Routine)
2019-06-27Chiang RaiRecord high maximum temperature36.7 C (98.1 F)1.7 C (3.1 F)5229 of 100 (Routine)
2019-06-27MukdahanRecord high minimum temperature27.0 C (80.6 F)0.6 C (1.1 F)6429 of 100 (Routine)
2019-06-29DongfangRecord high minimum temperature30.7 C (87.3 F)1.3 C (2.3 F)4225 of 100 (Routine)
2019-06-30Ubon RatchathaniRecord high minimum temperature27.3 C (81.1 F)0.8 C (1.4 F)4525 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 123 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.