Heat wave in Australia, 11 to 30 April 2020
Heat wave in Australia, 11 to 30 April 2020: 191 records at 89 stations, peak on 30 April 2020. Closed.
Data as of . Last revised (2026-10-17).
Key Facts
- Heat wave in Australia, 11 to 30 April 2020 set or tied 191 station records at 89 stations.
- It ran from 11 April 2020 to 30 April 2020 (20 days) and its peak day was 30 April 2020.
- Status: closed.
- Cairns Post Office set a daily record high minimum temperature of 24.1 C (75.4 F) on 19 April 2020.
- The busiest day was 16 April 2020 with 24 records.
- The oldest broken record in the ranked list had stood for 125 years.
Footprint
11 to 30 April 2020| Station | Type | Value | Date |
|---|---|---|---|
| Cairns Post Office | Record high minimum temperature | 24.1 C (75.4 F) | 2020-04-19 |
| Mackay M.O | Record high maximum temperature | 31.3 C (88.3 F) | 2020-04-18 |
| Mackay Aero | Record high maximum temperature | 30.7 C (87.3 F) | 2020-04-18 |
| Ceduna AMO | Record high maximum temperature | 38.4 C (101.1 F) | 2020-04-15 |
| Murwillumbah (Bray Park) | Record high maximum temperature | 32.7 C (90.9 F) | 2020-04-16 |
| Mildura Airport | Record high minimum temperature | 19.0 C (66.2 F) | 2020-04-16 |
| Isisford Post Office | Record high maximum temperature | 36.9 C (98.4 F) | 2020-04-23 |
| Amberley AMO | Record high maximum temperature | 31.1 C (88.0 F) | 2020-04-30 |
| Yamba Pilot Station | Record high maximum temperature | 31.8 C (89.2 F) | 2020-04-17 |
| Lady Elliot Island | Record high maximum temperature | 29.4 C (84.9 F) | 2020-04-30 |
| Cape Moreton Lighthouse | Record high maximum temperature | 27.0 C (80.6 F) | 2020-04-29 |
| Bundaberg Aero | Record high minimum temperature | 20.8 C (69.4 F) | 2020-04-19 |
| Double Island Point Lighthouse | Record high minimum temperature | 22.6 C (72.7 F) | 2020-04-28 |
| Moruya Heads Pilot Station | Record high minimum temperature | 18.0 C (64.4 F) | 2020-04-16 |
| Trangie Research Station AWS | Record high minimum temperature | 18.7 C (65.7 F) | 2020-04-29 |
| Hawker | Record high minimum temperature | 19.9 C (67.8 F) | 2020-04-16 |
| Proserpine Airport | Record high maximum temperature | 33.9 C (93.0 F) | 2020-04-18 |
Records per Day
Peak day 23| Date | Records |
|---|---|
| 2020-04-11 | 1 |
| 2020-04-12 | 4 |
| 2020-04-13 | 3 |
| 2020-04-14 | 1 |
| 2020-04-15 | 13 |
| 2020-04-16 | 24 |
| 2020-04-17 | 18 |
| 2020-04-18 | 20 |
| 2020-04-19 | 7 |
| 2020-04-20 | 11 |
| 2020-04-21 | 14 |
| 2020-04-22 | 11 |
| 2020-04-23 | 5 |
| 2020-04-24 | 6 |
| 2020-04-25 | 3 |
| 2020-04-26 | 2 |
| 2020-04-27 | 1 |
| 2020-04-28 | 9 |
| 2020-04-29 | 15 |
| 2020-04-30 | 23 |
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 |
|---|---|
| 0.2 | 125 |
| 2.8 | 41 |
| 0.8 | 69 |
| 0.8 | 67 |
| 2.8 | 47 |
| 0.9 | 67 |
| 1.3 | 63 |
| 0.5 | 63 |
| 0.3 | 66 |
| 1.4 | 37 |
| 0.9 | 56 |
| 1.1 | 52 |
| 1.9 | 30 |
| 0.7 | 51 |
| 0.5 | 60 |
| 0.4 | 63 |
| 2.6 | 47 |
| 1.4 | 47 |
| 2.1 | 49 |
| 2.9 | 18 |
| 1.6 | 47 |
| 3.2 | 7 |
| 1.0 | 47 |
| 0.6 | 52 |
| 0.8 | 52 |
| 1.8 | 40 |
| 2.2 | 20 |
| 0.2 | 50 |
| 0.8 | 47 |
| 2.4 | 20 |
| 0.7 | 52 |
| 0.4 | 52 |
| 1.2 | 52 |
| 1.1 | 47 |
| 0.6 | 52 |
| 0.8 | 52 |
| 0.2 | 52 |
| 1.0 | 47 |
| 1.5 | 47 |
| 1.0 | 47 |
| 2.6 | 38 |
| 1.8 | 18 |
| 0.2 | 47 |
| 0.3 | 52 |
| 3.1 | 2 |
| 0.4 | 52 |
| 1.6 | 40 |
| 2.8 | 17 |
| 2.2 | 34 |
| 0.7 | 52 |
| 0.9 | 35 |
| 0.9 | 25 |
| 1.1 | 35 |
| 2.0 | 18 |
| 1.1 | 37 |
| 0.9 | 30 |
| 0.1 | 52 |
| 0.4 | 47 |
| 0.7 | 47 |
| 0.2 | 47 |
| 1.3 | 40 |
| 3.2 | 2 |
| 0.9 | 5 |
| 1.9 | 18 |
| 2.0 | 33 |
| 0.1 | 47 |
| 1.5 | 37 |
| 0.7 | 25 |
| 1.3 | 24 |
| 1.3 | 22 |
| 0.5 | 30 |
| 1.5 | 22 |
| 2.7 | 2 |
| 1.4 | 29 |
| 3.8 | 17 |
| 0.2 | 47 |
| 0.6 | 40 |
| 0.9 | 24 |
| 0.5 | 36 |
| 0.3 | 33 |
| 0.8 | 30 |
| 0.5 | 34 |
| 1.0 | 18 |
| 0.2 | 39 |
| 4.6 | 1 |
| 2.6 | 16 |
| 0.2 | 32 |
| 0.1 | 30 |
| 0.7 | 17 |
| 0.7 | 18 |
| 0.9 | 20 |
| 0.4 | 29 |
| 1.7 | 18 |
| 2.5 | 2 |
| 2.6 | 16 |
| 0.1 | 35 |
| 0.6 | 24 |
| 0.2 | 32 |
| 1.0 | 18 |
| 0.1 | 39 |
| 1.2 | 24 |
| 2.2 | 16 |
| 0.5 | 18 |
| 0.4 | 33 |
| 1.8 | 16 |
| 0.5 | 32 |
| 3.3 | 1 |
| 0.7 | 17 |
| 0.7 | 24 |
| 0.2 | 33 |
| 1.1 | 18 |
| 1.3 | 15 |
| 1.5 | 6 |
| 1.3 | 4 |
| 1.7 | 19 |
| 0.5 | 28 |
| 0.3 | 28 |
| 1.3 | 13 |
| 0.8 | 13 |
| 1.1 | 22 |
| 0.3 | 32 |
| 0.3 | 33 |
| 0.2 | 18 |
| 1.1 | 18 |
| 1.1 | 18 |
| 0.5 | 18 |
| 0.4 | 29 |
| 0.4 | 27 |
| 1.4 | 15 |
| 0.3 | 32 |
| 1.9 | 2 |
| 2.3 | 16 |
| 0.4 | 18 |
| 0.1 | 22 |
| 0.2 | 19 |
| 0.3 | 18 |
| 0.8 | 4 |
| 1.0 | 15 |
| 2.4 | 2 |
| 1.3 | 10 |
| 0.2 | 22 |
| 0.1 | 18 |
| 1.2 | 13 |
| 1.7 | 4 |
| 0.5 | 18 |
| 0.5 | 17 |
| 1.0 | 13 |
| 0.4 | 16 |
| 0.9 | 15 |
| 0.9 | 16 |
| 2.7 | 1 |
| 0.1 | 18 |
| 0.1 | 14 |
| 1.1 | 7 |
| 1.6 | 2 |
| 0.8 | 11 |
| 0.7 | 15 |
| 0.3 | 19 |
| 0.9 | 13 |
| 0.2 | 5 |
| 0.4 | 6 |
| 0.3 | 4 |
| 0.2 | 5 |
| 0.9 | 2 |
| 0.4 | 8 |
| 0.3 | 16 |
| 0.3 | 14 |
| 0.4 | 16 |
| 1.2 | 5 |
| 1.1 | 1 |
| 0.4 | 4 |
| 0.2 | 7 |
| 0.6 | 4 |
| 0.1 | 7 |
| 0.7 | 2 |
| 0.9 | 13 |
| 0.1 | 4 |
| 0.2 | 2 |
| 0.4 | 1 |
| 0.1 | 7 |
| 0.1 | 13 |
| 0.7 | 8 |
| 0.2 | 6 |
| 0.6 | 2 |
| 0.3 | 2 |
| 0.2 | 2 |
| 0.9 | 2 |
| 0.2 | 2 |
| 0.2 | 5 |
| 0.2 | 4 |
| 0.1 | 2 |
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, 11 to 30 April 2020 (this event) |
Every Record Set
20 of 191| Date | Station | Record | Value | Margin | Years stood | Significance |
|---|---|---|---|---|---|---|
| 2020-04-15 | Ceduna AMO | Record high maximum temperature | 38.4 C (101.1 F) | 0.8 C (1.4 F) | 67 | 29 of 100 (Routine) |
| 2020-04-16 | Murwillumbah (Bray Park) | Record high maximum temperature | 32.7 C (90.9 F) | 2.8 C (5.0 F) | 47 | 29 of 100 (Routine) |
| 2020-04-16 | Mildura Airport | Record high minimum temperature | 19.0 C (66.2 F) | 0.9 C (1.6 F) | 67 | 29 of 100 (Routine) |
| 2020-04-16 | Moruya Heads Pilot Station | Record high minimum temperature | 18.0 C (64.4 F) | 1.4 C (2.5 F) | 47 | 25 of 100 (Routine) |
| 2020-04-16 | Hawker | Record high minimum temperature | 19.9 C (67.8 F) | 2.1 C (3.8 F) | 49 | 24 of 100 (Routine) |
| 2020-04-17 | Yamba Pilot Station | Record high maximum temperature | 31.8 C (89.2 F) | 1.1 C (2.0 F) | 52 | 27 of 100 (Routine) |
| 2020-04-18 | Mackay M.O | Record high maximum temperature | 31.3 C (88.3 F) | 2.8 C (5.0 F) | 41 | 35 of 100 (Notable) |
| 2020-04-18 | Mackay Aero | Record high maximum temperature | 30.7 C (87.3 F) | 0.8 C (1.4 F) | 69 | 32 of 100 (Routine) |
| 2020-04-18 | Lady Elliot Island | Record high maximum temperature | 29.4 C (84.9 F) | 0.7 C (1.3 F) | 51 | 26 of 100 (Routine) |
| 2020-04-18 | Proserpine Airport | Record high maximum temperature | 33.9 C (93.0 F) | 2.9 C (5.2 F) | 18 | 24 of 100 (Routine) |
| 2020-04-19 | Cairns Post Office | Record high minimum temperature | 24.1 C (75.4 F) | 0.2 C (0.4 F) | 125 | 41 of 100 (Notable) |
| 2020-04-19 | Mackay M.O | Record high maximum temperature | 31.5 C (88.7 F) | 1.9 C (3.4 F) | 30 | 26 of 100 (Routine) |
| 2020-04-19 | Bundaberg Aero | Record high minimum temperature | 20.8 C (69.4 F) | 0.5 C (0.9 F) | 60 | 26 of 100 (Routine) |
| 2020-04-21 | Mackay Aero | Record high minimum temperature | 22.4 C (72.3 F) | 0.3 C (0.5 F) | 66 | 27 of 100 (Routine) |
| 2020-04-23 | Isisford Post Office | Record high maximum temperature | 36.9 C (98.4 F) | 1.3 C (2.3 F) | 63 | 28 of 100 (Routine) |
| 2020-04-28 | Double Island Point Lighthouse | Record high minimum temperature | 22.6 C (72.7 F) | 0.4 C (0.7 F) | 63 | 26 of 100 (Routine) |
| 2020-04-29 | Cape Moreton Lighthouse | Record high maximum temperature | 27.0 C (80.6 F) | 0.9 C (1.6 F) | 56 | 27 of 100 (Routine) |
| 2020-04-29 | Trangie Research Station AWS | Record high minimum temperature | 18.7 C (65.7 F) | 2.6 C (4.7 F) | 47 | 25 of 100 (Routine) |
| 2020-04-30 | Amberley AMO | Record high maximum temperature | 31.1 C (88.0 F) | 0.5 C (0.9 F) | 63 | 28 of 100 (Routine) |
| 2020-04-30 | Lady Elliot Island | Record high maximum temperature | 29.4 C (84.9 F) | 1.4 C (2.5 F) | 37 | 27 of 100 (Routine) |
The daily ledgers keep a limited number of records per day, so this list has 20 of the 191 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.