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Built 2026-10-14 (14 October 2026)

Heat wave in Thailand and 5 other countries, 8 to 26 April 2019

Heat wave in Thailand and 5 other countries, 8 to 26 April 2019: 150 records at 52 stations, peak on 21 April 2019. Closed.

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

Key Facts

  • Heat wave in Thailand and 5 other countries, 8 to 26 April 2019 set or tied 150 station records at 52 stations.
  • It ran from 8 April 2019 to 26 April 2019 (19 days) and its peak day was 21 April 2019.
  • Status: closed.
  • Trang set a daily record high minimum temperature of 25.4 C (77.7 F) on 24 April 2019.
  • The busiest day was 20 April 2019 with 19 records.
  • The oldest broken record in the ranked list had stood for 66 years.

Footprint

8 to 26 April 2019
Footprint of Heat wave in Thailand and 5 other countries, 8 to 26 April 2019 The area covered by Heat wave in Thailand and 5 other countries, 8 to 26 April 2019 is outlined, with 11 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in Thailand and 5 other countries, 8 to 26 April 2019 is outlined, with 11 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, 8 to 26 April 2019: stations that set records in the event
StationTypeValueDate
TrangRecord high minimum temperature25.4 C (77.7 F)2019-04-24
Nakhon Si ThammaratRecord high minimum temperature26.0 C (78.8 F)2019-04-20
Suphan BuriRecord high minimum temperature28.6 C (83.5 F)2019-04-18
Penang IntlRecord high minimum temperature27.6 C (81.7 F)2019-04-20
GuipingRecord high minimum temperature26.0 C (78.8 F)2019-04-22
Lop BuriRecord high minimum temperature27.9 C (82.2 F)2019-04-10
BaiseRecord high minimum temperature27.0 C (80.6 F)2019-04-20
Prachin BuriRecord high minimum temperature28.3 C (82.9 F)2019-04-19
WuzhouRecord high minimum temperature24.6 C (76.3 F)2019-04-22
HechiRecord high minimum temperature26.2 C (79.2 F)2019-04-24
PhuketRecord high minimum temperature28.6 C (83.5 F)2019-04-21

Records per Day

Peak day 18
Records per day during Heat wave in Thailand and 5 other countries, 8 to 26 April 2019 Records set or tied each day from 8 April 2019 to 26 April 2019. The most in one day was 19 on 20 April 2019. 0 5 10 15 20 04-0804-1004-1204-1404-1604-1804-2004-2204-2404-26
Records set or tied each day from 8 April 2019 to 26 April 2019. The most in one day was 19 on 20 April 2019.
Records per day during Heat wave in Thailand and 5 other countries, 8 to 26 April 2019
DateRecords
2019-04-081
2019-04-093
2019-04-106
2019-04-119
2019-04-129
2019-04-139
2019-04-145
2019-04-155
2019-04-166
2019-04-178
2019-04-188
2019-04-1917
2019-04-2019
2019-04-2118
2019-04-2211
2019-04-235
2019-04-246
2019-04-254
2019-04-261

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in Thailand and 5 other countries, 8 to 26 April 2019 ranked by margin
Penang Intl, 04-201.5 C (2.7 F)
Baise, 04-201.4 C (2.5 F)
Nakhon Si Thammarat, 04-201.2 C (2.2 F)
Guiping, 04-221.2 C (2.2 F)
Suphan Buri, 04-181.1 C (2.0 F)
Prachin Buri, 04-191.1 C (2.0 F)
Penang Intl, 04-221.0 C (1.8 F)
Suphan Buri, 04-170.9 C (1.6 F)
Suphan Buri, 04-210.9 C (1.6 F)
Wuzhou, 04-220.7 C (1.3 F)
Nakhon Si Thammarat, 04-130.7 C (1.3 F)
Suphan Buri, 04-190.7 C (1.3 F)
Trang, 04-240.6 C (1.1 F)
Guiping, 04-230.6 C (1.1 F)
Suphan Buri, 04-200.6 C (1.1 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, 8 to 26 April 2019 150 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
150 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, 8 to 26 April 2019
Margin (C)Years the old record stood
0.666
1.156
1.245
1.520
1.261
1.454
0.948
0.949
0.460
0.460
0.661
0.760
0.221
1.138
0.356
0.740
0.744
0.656
0.129
1.020
0.158
0.120
0.638
0.645
0.732
1.120
0.348
0.834
0.540
3.010
0.520
0.149
1.022
0.538
0.638
0.46
0.220
0.938
1.028
0.828
0.438
0.238
0.89
0.16
1.04
1.29
0.824
0.142
0.238
0.338
0.528
0.23
0.211
0.632
0.628
0.620
0.624
0.328
0.328
0.230
0.520
0.132
0.16
0.128
0.220
1.58
1.30
0.228
1.328
0.717
0.320
0.420
0.420
0.320
0.86
0.712
0.420
0.120
0.616
0.616
1.11
0.820
0.814
0.320
0.224
0.38
0.52
0.313
0.56
0.120
0.62
0.326
1.59
0.220
0.58
0.214
0.82
0.117
0.49
0.48
0.51
0.521
0.321
0.49
0.42
0.74
0.114
0.114
0.61
0.48
0.113
0.55
0.210
0.46
0.72
0.212
0.59
0.49
0.56
0.116
0.20
0.49
0.112
0.91
1.09
1.05
0.38
0.42
0.29
0.25
0.24
0.42
0.18
0.18
0.18
0.22
0.22
0.22
0.22
0.12
0.22
0.56
0.79
0.40
0.12
0.14
0.12
0.12
0.44
0.15

Compared With Other Events

Station records per event
Station records in Heat wave in Thailand and 5 other countries, 8 to 26 April 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 5 other countries, 8 to 26 April 2019 (this event)150 records

Every Record Set

20 of 150
Every record set or tied during Heat wave in Thailand and 5 other countries, 8 to 26 April 2019, in date order
DateStationRecordValueMarginYears stoodSignificance
2019-04-10Lop BuriRecord high minimum temperature27.9 C (82.2 F)0.4 C (0.7 F)6026 of 100 (Routine)
2019-04-12Penang IntlRecord high minimum temperature27.7 C (81.9 F)0.2 C (0.4 F)2125 of 100 (Routine)
2019-04-13Nakhon Si ThammaratRecord high minimum temperature25.7 C (78.3 F)0.7 C (1.3 F)4025 of 100 (Routine)
2019-04-16Nakhon Si ThammaratRecord high minimum temperature25.4 C (77.7 F)0.3 C (0.5 F)5625 of 100 (Routine)
2019-04-17Suphan BuriRecord high minimum temperature28.3 C (82.9 F)0.9 C (1.6 F)4926 of 100 (Routine)
2019-04-18Suphan BuriRecord high minimum temperature28.6 C (83.5 F)1.1 C (2.0 F)5631 of 100 (Routine)
2019-04-19Prachin BuriRecord high minimum temperature28.3 C (82.9 F)1.1 C (2.0 F)3825 of 100 (Routine)
2019-04-19Suphan BuriRecord high minimum temperature28.4 C (83.1 F)0.7 C (1.3 F)4424 of 100 (Routine)
2019-04-20Nakhon Si ThammaratRecord high minimum temperature26.0 C (78.8 F)1.2 C (2.2 F)4531 of 100 (Routine)
2019-04-20Penang IntlRecord high minimum temperature27.6 C (81.7 F)1.5 C (2.7 F)2028 of 100 (Routine)
2019-04-20BaiseRecord high minimum temperature27.0 C (80.6 F)1.4 C (2.5 F)5426 of 100 (Routine)
2019-04-20Suphan BuriRecord high maximum temperature41.0 C (105.8 F)0.6 C (1.1 F)5624 of 100 (Routine)
2019-04-21Suphan BuriRecord high minimum temperature28.8 C (83.8 F)0.9 C (1.6 F)4826 of 100 (Routine)
2019-04-21PhuketRecord high minimum temperature28.6 C (83.5 F)0.1 C (0.2 F)2924 of 100 (Routine)
2019-04-22GuipingRecord high minimum temperature26.0 C (78.8 F)1.2 C (2.2 F)6127 of 100 (Routine)
2019-04-22WuzhouRecord high minimum temperature24.6 C (76.3 F)0.7 C (1.3 F)6025 of 100 (Routine)
2019-04-22Penang IntlRecord high minimum temperature27.0 C (80.6 F)1.0 C (1.8 F)2023 of 100 (Routine)
2019-04-23GuipingRecord high minimum temperature25.5 C (77.9 F)0.6 C (1.1 F)6125 of 100 (Routine)
2019-04-24TrangRecord high minimum temperature25.4 C (77.7 F)0.6 C (1.1 F)6632 of 100 (Routine)
2019-04-24HechiRecord high minimum temperature26.2 C (79.2 F)0.4 C (0.7 F)6025 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 150 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.