Heat wave in Australia, 19 to 27 October 2023
Heat wave in Australia, 19 to 27 October 2023: 108 records at 70 stations, peak on 25 October 2023. Closed.
Data as of . Last revised (2026-10-17).
Key Facts
- Heat wave in Australia, 19 to 27 October 2023 set or tied 108 station records at 70 stations.
- It ran from 19 October 2023 to 27 October 2023 (9 days) and its peak day was 25 October 2023.
- Status: closed.
- Richmond Raaf set a daily record high maximum temperature of 36.8 C (98.2 F) on 24 October 2023.
- The busiest day was 25 October 2023 with 32 records.
- The oldest broken record in the ranked list had stood for 77 years.
Footprint
19 to 27 October 2023| Station | Type | Value | Date |
|---|---|---|---|
| Richmond Raaf | Record high maximum temperature | 36.8 C (98.2 F) | 2023-10-24 |
| Yamba Pilot Station | Record high minimum temperature | 21.8 C (71.2 F) | 2023-10-24 |
| Coffs Harbour Mo | Record high maximum temperature | 33.5 C (92.3 F) | 2023-10-25 |
| Amberley AMO | Record high maximum temperature | 35.2 C (95.4 F) | 2023-10-25 |
| Williamtown Raaf | Record high maximum temperature | 35.4 C (95.7 F) | 2023-10-22 |
| Injune Post Office | Record high maximum temperature | 38.0 C (100.4 F) | 2023-10-22 |
| Tenterfield (Federation Park) | Record high minimum temperature | 18.0 C (64.4 F) | 2023-10-24 |
| Texas Post Office | Record high minimum temperature | 21.6 C (70.9 F) | 2023-10-25 |
| Surat | Record high minimum temperature | 22.3 C (72.1 F) | 2023-10-25 |
| Taroom Post Office | Record high minimum temperature | 21.2 C (70.2 F) | 2023-10-24 |
| Oakey Aero | Record high maximum temperature | 35.6 C (96.1 F) | 2023-10-22 |
| Essendon Airport | Record high minimum temperature | 20.5 C (68.9 F) | 2023-10-21 |
| Keith | Record high maximum temperature | 34.2 C (93.6 F) | 2023-10-20 |
| Seventeen Seventy | Record high maximum temperature | 30.2 C (86.4 F) | 2023-10-25 |
| Scottsdale (West Minstone Road | Record high maximum temperature | 24.2 C (75.6 F) | 2023-10-20 |
| Launceston (Ti Tree Bend) | Record high maximum temperature | 25.6 C (78.1 F) | 2023-10-20 |
| Lostock Dam | Record high maximum temperature | 31.6 C (88.9 F) | 2023-10-25 |
| Quirindi Post Office | Record high minimum temperature | 18.5 C (65.3 F) | 2023-10-22 |
| Monto Township | Record high maximum temperature | 36.4 C (97.5 F) | 2023-10-23 |
| Woolbrook (Danglemah Road) | Record high maximum temperature | 31.0 C (87.8 F) | 2023-10-24 |
Records per Day
Peak day 32| Date | Records |
|---|---|
| 2023-10-19 | 2 |
| 2023-10-20 | 7 |
| 2023-10-21 | 15 |
| 2023-10-22 | 11 |
| 2023-10-23 | 7 |
| 2023-10-24 | 27 |
| 2023-10-25 | 32 |
| 2023-10-26 | 6 |
| 2023-10-27 | 1 |
Top Records by Margin
Margin over the record replacedMargin 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 |
|---|---|
| 2.4 | 77 |
| 0.4 | 55 |
| 2.6 | 64 |
| 1.0 | 66 |
| 0.4 | 54 |
| 1.7 | 48 |
| 1.0 | 54 |
| 1.5 | 48 |
| 1.9 | 48 |
| 0.1 | 54 |
| 3.0 | 32 |
| 3.5 | 8 |
| 1.9 | 34 |
| 1.7 | 16 |
| 0.6 | 38 |
| 0.8 | 32 |
| 1.1 | 32 |
| 0.2 | 34 |
| 1.4 | 28 |
| 3.0 | 13 |
| 1.0 | 13 |
| 3.1 | 8 |
| 2.0 | 13 |
| 1.5 | 12 |
| 1.7 | 18 |
| 0.3 | 32 |
| 2.2 | 20 |
| 0.7 | 28 |
| 0.4 | 18 |
| 0.4 | 13 |
| 1.0 | 28 |
| 1.6 | 13 |
| 0.9 | 20 |
| 0.6 | 20 |
| 0.1 | 18 |
| 1.8 | 14 |
| 2.3 | 0 |
| 0.8 | 18 |
| 1.9 | 8 |
| 1.8 | 9 |
| 0.7 | 20 |
| 0.9 | 24 |
| 1.4 | 13 |
| 2.3 | 8 |
| 3.0 | 4 |
| 1.0 | 20 |
| 2.3 | 9 |
| 1.4 | 14 |
| 0.7 | 8 |
| 0.6 | 13 |
| 1.7 | 8 |
| 0.5 | 18 |
| 1.6 | 8 |
| 1.4 | 8 |
| 1.2 | 4 |
| 1.5 | 8 |
| 2.4 | 4 |
| 0.7 | 17 |
| 0.7 | 17 |
| 0.1 | 13 |
| 0.2 | 18 |
| 2.0 | 4 |
| 2.2 | 8 |
| 1.8 | 4 |
| 1.6 | 9 |
| 0.8 | 13 |
| 0.6 | 16 |
| 0.5 | 12 |
| 0.1 | 8 |
| 0.6 | 10 |
| 0.3 | 8 |
| 0.5 | 4 |
| 1.2 | 13 |
| 0.9 | 8 |
| 1.2 | 8 |
| 0.9 | 12 |
| 0.5 | 13 |
| 0.9 | 4 |
| 1.0 | 4 |
| 0.4 | 8 |
| 1.0 | 9 |
| 0.5 | 8 |
| 0.7 | 4 |
| 0.9 | 13 |
| 0.2 | 12 |
| 0.5 | 8 |
| 1.9 | 0 |
| 0.3 | 12 |
| 0.9 | 8 |
| 0.9 | 1 |
| 1.8 | 1 |
| 0.6 | 4 |
| 0.2 | 8 |
| 1.0 | 8 |
| 0.8 | 4 |
| 1.1 | 8 |
| 0.5 | 8 |
| 0.2 | 8 |
| 0.7 | 9 |
| 0.2 | 8 |
| 1.1 | 1 |
| 0.9 | 4 |
| 0.5 | 8 |
| 0.1 | 8 |
| 0.2 | 9 |
| 0.5 | 4 |
| 0.5 | 1 |
| 0.4 | 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 Australia, 19 to 27 October 2023 (this event) |
Every Record Set
20 of 108| Date | Station | Record | Value | Margin | Years stood | Significance |
|---|---|---|---|---|---|---|
| 2023-10-20 | Keith | Record high maximum temperature | 34.2 C (93.6 F) | 1.9 C (3.4 F) | 34 | 19 of 100 (Routine) |
| 2023-10-20 | Scottsdale (West Minstone Road | Record high maximum temperature | 24.2 C (75.6 F) | 0.8 C (1.4 F) | 32 | 17 of 100 (Routine) |
| 2023-10-20 | Launceston (Ti Tree Bend) | Record high maximum temperature | 25.6 C (78.1 F) | 1.1 C (2.0 F) | 32 | 17 of 100 (Routine) |
| 2023-10-21 | Essendon Airport | Record high minimum temperature | 20.5 C (68.9 F) | 3.5 C (6.3 F) | 8 | 20 of 100 (Routine) |
| 2023-10-22 | Williamtown Raaf | Record high maximum temperature | 35.4 C (95.7 F) | 0.4 C (0.7 F) | 54 | 24 of 100 (Routine) |
| 2023-10-22 | Injune Post Office | Record high maximum temperature | 38.0 C (100.4 F) | 1.0 C (1.8 F) | 54 | 23 of 100 (Routine) |
| 2023-10-22 | Oakey Aero | Record high maximum temperature | 35.6 C (96.1 F) | 3.0 C (5.4 F) | 32 | 21 of 100 (Routine) |
| 2023-10-22 | Quirindi Post Office | Record high minimum temperature | 18.5 C (65.3 F) | 1.4 C (2.5 F) | 28 | 16 of 100 (Routine) |
| 2023-10-23 | Monto Township | Record high maximum temperature | 36.4 C (97.5 F) | 0.2 C (0.4 F) | 34 | 16 of 100 (Routine) |
| 2023-10-24 | Richmond Raaf | Record high maximum temperature | 36.8 C (98.2 F) | 2.4 C (4.3 F) | 77 | 36 of 100 (Notable) |
| 2023-10-24 | Yamba Pilot Station | Record high minimum temperature | 21.8 C (71.2 F) | 0.4 C (0.7 F) | 55 | 35 of 100 (Notable) |
| 2023-10-24 | Tenterfield (Federation Park) | Record high minimum temperature | 18.0 C (64.4 F) | 1.9 C (3.4 F) | 48 | 23 of 100 (Routine) |
| 2023-10-24 | Taroom Post Office | Record high minimum temperature | 21.2 C (70.2 F) | 0.1 C (0.2 F) | 54 | 22 of 100 (Routine) |
| 2023-10-24 | Woolbrook (Danglemah Road) | Record high maximum temperature | 31.0 C (87.8 F) | 3.0 C (5.4 F) | 13 | 16 of 100 (Routine) |
| 2023-10-25 | Coffs Harbour Mo | Record high maximum temperature | 33.5 C (92.3 F) | 2.6 C (4.7 F) | 64 | 35 of 100 (Notable) |
| 2023-10-25 | Amberley AMO | Record high maximum temperature | 35.2 C (95.4 F) | 1.0 C (1.8 F) | 66 | 30 of 100 (Routine) |
| 2023-10-25 | Texas Post Office | Record high minimum temperature | 21.6 C (70.9 F) | 1.7 C (3.1 F) | 48 | 23 of 100 (Routine) |
| 2023-10-25 | Surat | Record high minimum temperature | 22.3 C (72.1 F) | 1.5 C (2.7 F) | 48 | 23 of 100 (Routine) |
| 2023-10-25 | Seventeen Seventy | Record high maximum temperature | 30.2 C (86.4 F) | 1.7 C (3.1 F) | 16 | 18 of 100 (Routine) |
| 2023-10-25 | Lostock Dam | Record high maximum temperature | 31.6 C (88.9 F) | 0.6 C (1.1 F) | 38 | 17 of 100 (Routine) |
The daily ledgers keep a limited number of records per day, so this list has 20 of the 108 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.