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| Station | Type | Value | Date |
|---|---|---|---|
| Bangkok Metropolis | Record high maximum temperature | 38.1 C (100.6 F) | 2023-06-23 |
| Tak | Record high maximum temperature | 38.6 C (101.5 F) | 2023-07-02 |
| Mae Sariang | Record high minimum temperature | 25.5 C (77.9 F) | 2023-06-29 |
| Prachin Buri | Record high minimum temperature | 27.4 C (81.3 F) | 2023-07-01 |
| Lampang | Record high minimum temperature | 26.5 C (79.7 F) | 2023-07-07 |
| Penang Intl | Record high minimum temperature | 28.6 C (83.5 F) | 2023-06-13 |
| Phan Thiet | Record high maximum temperature | 36.2 C (97.2 F) | 2023-06-22 |
| Chiang Mai | Record high maximum temperature | 36.6 C (97.9 F) | 2023-06-27 |
| Prachuap Khiri Khan | Record high maximum temperature | 37.5 C (99.5 F) | 2023-06-24 |
| Mae Sot | Record high minimum temperature | 24.5 C (76.1 F) | 2023-07-08 |
| Suphan Buri | Record high maximum temperature | 38.5 C (101.3 F) | 2023-06-23 |
| Khon Kaen | Record high maximum temperature | 37.5 C (99.5 F) | 2023-06-24 |
| Don Muang | Record high minimum temperature | 28.8 C (83.8 F) | 2023-06-24 |
| Sattahip | Record high maximum temperature | 35.3 C (95.5 F) | 2023-06-27 |
| Kanchanaburi | Record high minimum temperature | 27.4 C (81.3 F) | 2023-06-28 |
Records per Day
Peak day 20| Date | Records |
|---|---|
| 2023-06-13 | 2 |
| 2023-06-14 | 1 |
| 2023-06-16 | 3 |
| 2023-06-17 | 1 |
| 2023-06-19 | 1 |
| 2023-06-20 | 7 |
| 2023-06-21 | 8 |
| 2023-06-22 | 8 |
| 2023-06-23 | 20 |
| 2023-06-24 | 11 |
| 2023-06-25 | 5 |
| 2023-06-26 | 9 |
| 2023-06-27 | 6 |
| 2023-06-28 | 14 |
| 2023-06-29 | 13 |
| 2023-06-30 | 8 |
| 2023-07-01 | 13 |
| 2023-07-02 | 5 |
| 2023-07-03 | 2 |
| 2023-07-04 | 3 |
| 2023-07-05 | 6 |
| 2023-07-06 | 6 |
| 2023-07-07 | 14 |
| 2023-07-08 | 12 |
| 2023-07-09 | 2 |
| 2023-07-10 | 1 |
Top Records by Margin
Margin over the record replaced| Tak, 07-02 | |
|---|---|
| Bangkok Metropolis, 06-23 | |
| Phan Thiet, 06-22 | |
| Tak, 07-08 | |
| Don Muang, 06-24 | |
| Bangkok Metropolis, 06-27 | |
| Prachin Buri, 07-01 | |
| Chiang Mai, 06-27 | |
| Bangkok Metropolis, 06-30 | |
| Prachin Buri, 06-30 | |
| Prachuap Khiri Khan, 06-24 | |
| Mae Sariang, 06-29 | |
| Lampang, 07-07 | |
| Kanchanaburi, 06-28 | |
| Suphan Buri, 06-23 |
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 |
|---|---|
| 3.6 | 53 |
| 2.2 | 64 |
| 1.2 | 72 |
| 0.5 | 68 |
| 0.4 | 60 |
| 0.9 | 49 |
| 0.1 | 5 |
| 0.2 | 64 |
| 0.9 | 56 |
| 1.8 | 40 |
| 0.2 | 60 |
| 0.6 | 60 |
| 1.7 | 40 |
| 0.1 | 64 |
| 0.3 | 60 |
| 0.4 | 53 |
| 0.8 | 44 |
| 1.4 | 26 |
| 0.1 | 64 |
| 0.8 | 36 |
| 1.0 | 44 |
| 1.3 | 40 |
| 0.4 | 50 |
| 1.9 | 25 |
| 0.8 | 45 |
| 0.8 | 45 |
| 0.3 | 44 |
| 0.9 | 24 |
| 0.5 | 42 |
| 0.4 | 44 |
| 1.1 | 26 |
| 1.2 | 28 |
| 0.7 | 40 |
| 0.8 | 40 |
| 0.6 | 36 |
| 1.5 | 24 |
| 0.6 | 40 |
| 0.6 | 40 |
| 0.7 | 28 |
| 0.3 | 10 |
| 0.1 | 45 |
| 0.1 | 44 |
| 0.6 | 32 |
| 0.8 | 29 |
| 0.2 | 40 |
| 0.3 | 41 |
| 1.0 | 26 |
| 0.7 | 36 |
| 0.2 | 6 |
| 0.5 | 36 |
| 0.3 | 36 |
| 0.9 | 34 |
| 0.2 | 4 |
| 1.0 | 16 |
| 0.6 | 21 |
| 0.2 | 40 |
| 0.8 | 32 |
| 1.0 | 29 |
| 0.7 | 24 |
| 0.9 | 12 |
| 0.1 | 2 |
| 0.9 | 24 |
| 0.5 | 25 |
| 0.5 | 29 |
| 0.8 | 24 |
| 1.0 | 18 |
| 0.3 | 26 |
| 0.2 | 0 |
| 0.2 | 36 |
| 1.0 | 2 |
| 0.5 | 24 |
| 0.6 | 18 |
| 0.3 | 30 |
| 0.6 | 25 |
| 0.5 | 26 |
| 0.1 | 2 |
| 1.2 | 13 |
| 1.2 | 16 |
| 1.5 | 10 |
| 0.3 | 20 |
| 0.3 | 24 |
| 1.5 | 6 |
| 0.1 | 28 |
| 0.3 | 25 |
| 0.8 | 9 |
| 0.3 | 36 |
| 0.4 | 24 |
| 0.2 | 26 |
| 0.1 | 25 |
| 0.3 | 25 |
| 1.0 | 8 |
| 1.1 | 8 |
| 0.1 | 29 |
| 0.2 | 24 |
| 0.8 | 13 |
| 0.5 | 20 |
| 0.8 | 12 |
| 0.9 | 10 |
| 0.6 | 9 |
| 0.8 | 4 |
| 0.2 | 18 |
| 1.0 | 12 |
| 0.6 | 14 |
| 0.5 | 12 |
| 0.6 | 8 |
| 0.8 | 12 |
| 0.6 | 8 |
| 1.0 | 8 |
| 0.1 | 18 |
| 0.9 | 8 |
| 0.7 | 8 |
| 0.6 | 8 |
| 0.2 | 18 |
| 0.8 | 5 |
| 0.7 | 13 |
| 0.5 | 17 |
| 0.4 | 16 |
| 0.4 | 9 |
| 0.2 | 13 |
| 1.1 | 2 |
| 0.7 | 2 |
| 0.7 | 2 |
| 0.4 | 8 |
| 1.0 | 0 |
| 0.4 | 12 |
| 0.6 | 12 |
| 0.5 | 10 |
| 2.5 | 1 |
| 0.8 | 6 |
| 0.7 | 4 |
| 0.4 | 2 |
| 0.6 | 8 |
| 0.5 | 8 |
| 0.4 | 2 |
| 0.2 | 8 |
| 0.5 | 9 |
| 0.3 | 12 |
| 0.9 | 1 |
| 0.3 | 8 |
| 0.3 | 8 |
| 0.2 | 12 |
| 0.3 | 12 |
| 1.4 | 8 |
| 0.6 | 4 |
| 0.5 | 4 |
| 0.1 | 12 |
| 0.6 | 4 |
| 0.8 | 2 |
| 0.2 | 8 |
| 0.1 | 12 |
| 0.6 | 4 |
| 0.4 | 2 |
| 0.3 | 8 |
| 0.2 | 8 |
| 0.1 | 12 |
| 0.1 | 12 |
| 0.5 | 13 |
| 0.1 | 18 |
| 0.4 | 9 |
| 0.1 | 9 |
| 0.2 | 2 |
| 0.1 | 4 |
| 0.3 | 2 |
| 0.1 | 8 |
| 0.1 | 8 |
| 0.1 | 8 |
| 0.1 | 8 |
| 0.2 | 4 |
| 0.5 | 0 |
| 1.7 | 0 |
| 1.4 | 1 |
| 1.0 | 8 |
| 0.3 | 5 |
| 0.2 | 2 |
| 0.1 | 4 |
| 0.3 | 0 |
| 0.1 | 4 |
| 0.6 | 2 |
| 0.4 | 0 |
| 0.2 | 1 |
| 0.3 | 4 |
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 4 other countries, 13 June to 10 July 2023 (this event) |
Every Record Set
20 of 181| Date | Station | Record | Value | Margin | Years stood | Significance |
|---|---|---|---|---|---|---|
| 2023-06-13 | Penang Intl | Record high minimum temperature | 28.6 C (83.5 F) | 0.1 C (0.2 F) | 5 | 28 of 100 (Routine) |
| 2023-06-22 | Phan Thiet | Record high maximum temperature | 36.2 C (97.2 F) | 1.8 C (3.2 F) | 40 | 28 of 100 (Routine) |
| 2023-06-23 | Bangkok Metropolis | Record high maximum temperature | 38.1 C (100.6 F) | 2.2 C (4.0 F) | 64 | 39 of 100 (Notable) |
| 2023-06-23 | Suphan Buri | Record high maximum temperature | 38.5 C (101.3 F) | 0.3 C (0.5 F) | 60 | 26 of 100 (Routine) |
| 2023-06-24 | Prachuap Khiri Khan | Record high maximum temperature | 37.5 C (99.5 F) | 0.6 C (1.1 F) | 60 | 27 of 100 (Routine) |
| 2023-06-24 | Khon Kaen | Record high maximum temperature | 37.5 C (99.5 F) | 0.1 C (0.2 F) | 64 | 26 of 100 (Routine) |
| 2023-06-24 | Don Muang | Record high minimum temperature | 28.8 C (83.8 F) | 1.4 C (2.5 F) | 26 | 26 of 100 (Routine) |
| 2023-06-27 | Bangkok Metropolis | Record high maximum temperature | 38.0 C (100.4 F) | 1.2 C (2.2 F) | 72 | 35 of 100 (Notable) |
| 2023-06-27 | Chiang Mai | Record high maximum temperature | 36.6 C (97.9 F) | 0.9 C (1.6 F) | 56 | 28 of 100 (Routine) |
| 2023-06-27 | Sattahip | Record high maximum temperature | 35.3 C (95.5 F) | 0.1 C (0.2 F) | 64 | 26 of 100 (Routine) |
| 2023-06-28 | Kanchanaburi | Record high minimum temperature | 27.4 C (81.3 F) | 0.4 C (0.7 F) | 53 | 26 of 100 (Routine) |
| 2023-06-29 | Mae Sariang | Record high minimum temperature | 25.5 C (77.9 F) | 0.5 C (0.9 F) | 68 | 32 of 100 (Routine) |
| 2023-06-30 | Bangkok Metropolis | Record high minimum temperature | 28.6 C (83.5 F) | 0.8 C (1.4 F) | 44 | 26 of 100 (Routine) |
| 2023-06-30 | Prachin Buri | Record high minimum temperature | 27.5 C (81.5 F) | 0.8 C (1.4 F) | 36 | 25 of 100 (Routine) |
| 2023-07-01 | Prachin Buri | Record high minimum temperature | 27.4 C (81.3 F) | 0.9 C (1.6 F) | 49 | 29 of 100 (Routine) |
| 2023-07-02 | Tak | Record high maximum temperature | 38.6 C (101.5 F) | 3.6 C (6.5 F) | 53 | 39 of 100 (Notable) |
| 2023-07-02 | Mae Sariang | Record high minimum temperature | 25.0 C (77.0 F) | 0.2 C (0.4 F) | 64 | 28 of 100 (Routine) |
| 2023-07-07 | Lampang | Record high minimum temperature | 26.5 C (79.7 F) | 0.4 C (0.7 F) | 60 | 29 of 100 (Routine) |
| 2023-07-08 | Mae Sot | Record high minimum temperature | 24.5 C (76.1 F) | 0.2 C (0.4 F) | 60 | 27 of 100 (Routine) |
| 2023-07-08 | Tak | Record high maximum temperature | 38.8 C (101.8 F) | 1.7 C (3.1 F) | 40 | 26 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.