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| Station | Type | Value | Date |
|---|---|---|---|
| Loei | Record high maximum temperature | 38.7 C (101.7 F) | 2019-06-23 |
| Ubon Ratchathani | Record high minimum temperature | 27.9 C (82.2 F) | 2019-06-21 |
| Mae Sariang | Record high minimum temperature | 26.0 C (78.8 F) | 2019-06-25 |
| Nakhon Phanom | Record high minimum temperature | 27.7 C (81.9 F) | 2019-06-22 |
| Phetchabun | Record high maximum temperature | 39.2 C (102.6 F) | 2019-06-24 |
| Chiang Mai | Record high maximum temperature | 39.3 C (102.7 F) | 2019-06-22 |
| Chanthaburi | Record high maximum temperature | 34.8 C (94.6 F) | 2019-06-22 |
| Surin | Record high maximum temperature | 37.4 C (99.3 F) | 2019-06-21 |
| Mukdahan | Record high minimum temperature | 27.0 C (80.6 F) | 2019-06-27 |
| Roi Et | Record high maximum temperature | 37.7 C (99.9 F) | 2019-06-23 |
| Chiang Rai | Record high maximum temperature | 36.7 C (98.1 F) | 2019-06-27 |
| Phitsanulok/Sarit | Record high maximum temperature | 38.0 C (100.4 F) | 2019-06-22 |
| Vinh | Record high maximum temperature | 40.5 C (104.9 F) | 2019-06-22 |
| Dongfang | Record high minimum temperature | 30.3 C (86.5 F) | 2019-06-23 |
Records per Day
Peak day 33| Date | Records |
|---|---|
| 2019-06-18 | 1 |
| 2019-06-19 | 1 |
| 2019-06-20 | 1 |
| 2019-06-21 | 15 |
| 2019-06-22 | 33 |
| 2019-06-23 | 25 |
| 2019-06-24 | 9 |
| 2019-06-25 | 8 |
| 2019-06-26 | 7 |
| 2019-06-27 | 8 |
| 2019-06-28 | 7 |
| 2019-06-29 | 4 |
| 2019-06-30 | 3 |
| 2019-07-01 | 1 |
Top Records by Margin
Margin over the record replaced| Chiang Mai, 06-22 | |
|---|---|
| Loei, 06-23 | |
| Phetchabun, 06-24 | |
| Chiang Rai, 06-27 | |
| Chanthaburi, 06-22 | |
| Dongfang, 06-29 | |
| Mae Sariang, 06-25 | |
| Nakhon Phanom, 06-22 | |
| Roi Et, 06-23 | |
| Nakhon Phanom, 06-23 | |
| Surin, 06-21 | |
| Mukdahan, 06-21 | |
| Ubon Ratchathani, 06-30 | |
| Phitsanulok/Sarit, 06-22 | |
| Surin, 06-22 |
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 (C) | Years the old record stood |
|---|---|
| 2.5 | 60 |
| 1.1 | 57 |
| 0.1 | 60 |
| 1.1 | 60 |
| 2.1 | 58 |
| 2.8 | 36 |
| 1.3 | 60 |
| 1.7 | 52 |
| 0.9 | 21 |
| 0.6 | 64 |
| 1.1 | 60 |
| 0.9 | 60 |
| 0.1 | 42 |
| 0.7 | 61 |
| 0.8 | 60 |
| 0.7 | 60 |
| 0.5 | 42 |
| 0.2 | 60 |
| 1.3 | 42 |
| 0.8 | 45 |
| 0.2 | 61 |
| 1.1 | 41 |
| 2.0 | 26 |
| 0.1 | 60 |
| 1.3 | 25 |
| 0.7 | 52 |
| 1.4 | 32 |
| 2.1 | 25 |
| 2.1 | 25 |
| 0.5 | 52 |
| 0.7 | 49 |
| 2.1 | 20 |
| 0.8 | 32 |
| 1.4 | 13 |
| 2.0 | 20 |
| 1.3 | 41 |
| 0.2 | 52 |
| 1.2 | 26 |
| 0.2 | 40 |
| 0.3 | 40 |
| 1.5 | 25 |
| 0.9 | 20 |
| 1.9 | 12 |
| 0.8 | 26 |
| 1.7 | 12 |
| 1.2 | 24 |
| 0.5 | 28 |
| 1.5 | 20 |
| 0.8 | 20 |
| 0.1 | 41 |
| 0.9 | 25 |
| 1.2 | 21 |
| 0.8 | 20 |
| 0.9 | 25 |
| 1.0 | 4 |
| 0.1 | 4 |
| 0.6 | 28 |
| 0.6 | 17 |
| 2.4 | 4 |
| 1.2 | 16 |
| 1.5 | 12 |
| 0.5 | 20 |
| 0.3 | 25 |
| 0.5 | 20 |
| 0.6 | 25 |
| 2.1 | 12 |
| 0.1 | 32 |
| 0.6 | 16 |
| 0.6 | 12 |
| 0.2 | 28 |
| 0.3 | 25 |
| 0.7 | 14 |
| 0.4 | 33 |
| 1.6 | 4 |
| 0.5 | 32 |
| 0.6 | 12 |
| 0.4 | 13 |
| 0.5 | 13 |
| 0.3 | 32 |
| 0.1 | 0 |
| 0.5 | 32 |
| 1.0 | 12 |
| 0.2 | 20 |
| 0.6 | 12 |
| 0.2 | 20 |
| 0.9 | 0 |
| 0.6 | 5 |
| 0.7 | 24 |
| 1.0 | 8 |
| 0.1 | 20 |
| 0.2 | 20 |
| 0.7 | 4 |
| 0.1 | 21 |
| 0.1 | 21 |
| 0.4 | 20 |
| 0.7 | 8 |
| 0.1 | 13 |
| 0.4 | 12 |
| 1.1 | 0 |
| 1.0 | 6 |
| 0.2 | 24 |
| 0.4 | 5 |
| 0.1 | 14 |
| 0.4 | 8 |
| 0.4 | 12 |
| 0.6 | 8 |
| 0.5 | 1 |
| 0.4 | 14 |
| 1.0 | 4 |
| 0.3 | 8 |
| 0.2 | 8 |
| 0.1 | 12 |
| 0.3 | 4 |
| 1.0 | 9 |
| 0.9 | 4 |
| 1.0 | 0 |
| 0.1 | 9 |
| 0.1 | 8 |
| 0.5 | 4 |
| 0.1 | 4 |
| 0.5 | 8 |
| 0.7 | 4 |
| 0.3 | 0 |
Compared With Other Events
Station records per event| Heat wave in United States and Mexico, 16 January to 14 February 2024 | |
|---|---|
| Heat wave in United States, 28 January to 24 February 2026 | |
| Heat wave in United States and Mexico, 24 May to 19 June 2020 | |
| Heat wave in United States and Mexico, 26 March to 17 April 2021 | |
| Heat wave in Germany and 49 other countries, 18 December 2021 to 15 January 2022 | |
| Heat wave in Thailand and 2 other countries, 18 June to 1 July 2019 (this event) |
Every Record Set
20 of 123| Date | Station | Record | Value | Margin | Years stood | Significance |
|---|---|---|---|---|---|---|
| 2019-06-21 | Ubon Ratchathani | Record high minimum temperature | 27.9 C (82.2 F) | 0.1 C (0.2 F) | 60 | 34 of 100 (Routine) |
| 2019-06-21 | Surin | Record high maximum temperature | 37.4 C (99.3 F) | 0.9 C (1.6 F) | 60 | 29 of 100 (Routine) |
| 2019-06-21 | Mukdahan | Record high maximum temperature | 37.5 C (99.5 F) | 0.8 C (1.4 F) | 60 | 27 of 100 (Routine) |
| 2019-06-22 | Nakhon Phanom | Record high minimum temperature | 27.7 C (81.9 F) | 1.1 C (2.0 F) | 60 | 33 of 100 (Routine) |
| 2019-06-22 | Chiang Mai | Record high maximum temperature | 39.3 C (102.7 F) | 2.8 C (5.0 F) | 36 | 31 of 100 (Routine) |
| 2019-06-22 | Chanthaburi | Record high maximum temperature | 34.8 C (94.6 F) | 1.3 C (2.3 F) | 60 | 31 of 100 (Routine) |
| 2019-06-22 | Mukdahan | Record high minimum temperature | 28.5 C (83.3 F) | 0.1 C (0.2 F) | 42 | 28 of 100 (Routine) |
| 2019-06-22 | Phitsanulok/Sarit | Record high maximum temperature | 38.0 C (100.4 F) | 0.7 C (1.3 F) | 61 | 27 of 100 (Routine) |
| 2019-06-22 | Surin | Record high maximum temperature | 38.0 C (100.4 F) | 0.7 C (1.3 F) | 60 | 27 of 100 (Routine) |
| 2019-06-22 | Vinh | Record high maximum temperature | 40.5 C (104.9 F) | 0.5 C (0.9 F) | 42 | 27 of 100 (Routine) |
| 2019-06-23 | Loei | Record high maximum temperature | 38.7 C (101.7 F) | 2.5 C (4.5 F) | 60 | 36 of 100 (Notable) |
| 2019-06-23 | Nakhon Phanom | Record high minimum temperature | 28.9 C (84.0 F) | 0.9 C (1.6 F) | 21 | 29 of 100 (Routine) |
| 2019-06-23 | Roi Et | Record high maximum temperature | 37.7 C (99.9 F) | 1.1 C (2.0 F) | 60 | 29 of 100 (Routine) |
| 2019-06-23 | Dongfang | Record high minimum temperature | 30.3 C (86.5 F) | 0.2 C (0.4 F) | 60 | 25 of 100 (Routine) |
| 2019-06-24 | Phetchabun | Record high maximum temperature | 39.2 C (102.6 F) | 2.1 C (3.8 F) | 58 | 33 of 100 (Routine) |
| 2019-06-25 | Mae Sariang | Record high minimum temperature | 26.0 C (78.8 F) | 1.1 C (2.0 F) | 57 | 34 of 100 (Routine) |
| 2019-06-27 | Chiang Rai | Record high maximum temperature | 36.7 C (98.1 F) | 1.7 C (3.1 F) | 52 | 29 of 100 (Routine) |
| 2019-06-27 | Mukdahan | Record high minimum temperature | 27.0 C (80.6 F) | 0.6 C (1.1 F) | 64 | 29 of 100 (Routine) |
| 2019-06-29 | Dongfang | Record high minimum temperature | 30.7 C (87.3 F) | 1.3 C (2.3 F) | 42 | 25 of 100 (Routine) |
| 2019-06-30 | Ubon Ratchathani | Record high minimum temperature | 27.3 C (81.1 F) | 0.8 C (1.4 F) | 45 | 25 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.