Heat wave in Germany and 35 other countries, 17 July to 14 August 2019
Heat wave in Germany and 35 other countries, 17 July to 14 August 2019: 2,756 records at 883 stations, peak on 25 July 2019. Closed.
Data as of . Last revised (2026-10-12).
Key Facts
- Heat wave in Germany and 35 other countries, 17 July to 14 August 2019 set or tied 2,756 station records at 883 stations.
- It ran from 17 July 2019 to 14 August 2019 (29 days) and its peak day was 25 July 2019.
- Status: closed.
- Altastenberg set an all-time record high maximum temperature of 31.9 C (89.4 F) on 25 July 2019.
- The busiest day was 25 July 2019 with 598 records.
- The oldest broken record in the ranked list had stood for 151 years.
Footprint
17 July to 14 August 2019| Station | Type | Value | Date |
|---|---|---|---|
| Oxford | Record high maximum temperature | 36.5 C (97.7 F) | 2019-07-24 |
| Altastenberg | Record high maximum temperature | 31.9 C (89.4 F) | 2019-07-25 |
| Abbeville | Record high maximum temperature | 41.3 C (106.3 F) | 2019-07-25 |
| Le Bourget | Record high maximum temperature | 42.1 C (107.8 F) | 2019-07-25 |
| Uccle | Record high maximum temperature | 39.7 C (103.5 F) | 2019-07-25 |
| De Bilt | Record high maximum temperature | 36.4 C (97.5 F) | 2019-07-24 |
| Mainz-Lerchenberg (Zdf) | Record high minimum temperature | 25.0 C (77.0 F) | 2019-07-26 |
| Lyon - St Exupery | Record high maximum temperature | 39.4 C (102.9 F) | 2019-07-24 |
| Mala | Record high maximum temperature | 32.8 C (91.0 F) | 2019-07-27 |
| Jackvik | Record high maximum temperature | 30.9 C (87.6 F) | 2019-07-27 |
| Mierkenis_A | Record high maximum temperature | 29.6 C (85.3 F) | 2019-07-27 |
| Hohenpeissenberg | Record high maximum temperature | 31.9 C (89.4 F) | 2019-07-24 |
| Montabaur | Record high maximum temperature | 37.4 C (99.3 F) | 2019-07-24 |
| Alencon-Valframbert | Record high maximum temperature | 39.8 C (103.6 F) | 2019-07-25 |
| Boden | Record high maximum temperature | 33.7 C (92.7 F) | 2019-07-27 |
| Malin Head | Record high minimum temperature | 18.5 C (65.3 F) | 2019-07-23 |
| Regensburg | Record high maximum temperature | 38.3 C (100.9 F) | 2019-07-25 |
| Sonnblick | Record high minimum temperature | 8.5 C (47.3 F) | 2019-07-25 |
| Vestervig | Record high minimum temperature | 19.4 C (66.9 F) | 2019-07-25 |
| Graz | Record high minimum temperature | 21.6 C (70.9 F) | 2019-07-26 |
Records per Day
Peak day 598| Date | Records |
|---|---|
| 2019-07-17 | 1 |
| 2019-07-18 | 1 |
| 2019-07-19 | 3 |
| 2019-07-20 | 8 |
| 2019-07-21 | 18 |
| 2019-07-22 | 92 |
| 2019-07-23 | 301 |
| 2019-07-24 | 566 |
| 2019-07-25 | 598 |
| 2019-07-26 | 423 |
| 2019-07-27 | 162 |
| 2019-07-28 | 110 |
| 2019-07-29 | 96 |
| 2019-07-30 | 27 |
| 2019-07-31 | 21 |
| 2019-08-01 | 9 |
| 2019-08-02 | 10 |
| 2019-08-03 | 12 |
| 2019-08-04 | 8 |
| 2019-08-05 | 11 |
| 2019-08-06 | 10 |
| 2019-08-07 | 23 |
| 2019-08-08 | 34 |
| 2019-08-09 | 38 |
| 2019-08-10 | 49 |
| 2019-08-11 | 39 |
| 2019-08-12 | 40 |
| 2019-08-13 | 33 |
| 2019-08-14 | 13 |
Top Records by Margin
Margin over the record replaced| Lyon - St Exupery, 07-24 | |
|---|---|
| Hohenpeissenberg, 07-24 | |
| Regensburg, 07-25 | |
| Abbeville, 07-25 | |
| Sonnblick, 07-25 | |
| Graz, 07-26 | |
| Le Bourget, 07-25 | |
| Oxford, 07-24 | |
| Mainz-Lerchenberg (Zdf), 07-26 | |
| Vestervig, 07-25 | |
| Uccle, 07-25 | |
| Alencon-Valframbert, 07-25 | |
| Mala, 07-27 | |
| Mierkenis_A, 07-27 | |
| Montabaur, 07-24 |
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 |
|---|---|
| 0.4 | 108 |
| 1.4 | 86 |
| 3.5 | 67 |
| 1.7 | 71 |
| 0.9 | 72 |
| 1.4 | 67 |
| 0.3 | 72 |
| 5.2 | 97 |
| 0.7 | 74 |
| 0.4 | 74 |
| 0.6 | 74 |
| 0.8 | 71 |
| 4.4 | 124 |
| 0.6 | 67 |
| 0.1 | 74 |
| 0.1 | 63 |
| 3.9 | 108 |
| 2.5 | 124 |
| 2.1 | 108 |
| 1.4 | 117 |
| 3.6 | 97 |
| 0.3 | 67 |
| 2.5 | 104 |
| 2.4 | 124 |
| 2.3 | 108 |
| 2.1 | 124 |
| 3.2 | 108 |
| 0.5 | 62 |
| 0.2 | 62 |
| 2.8 | 149 |
| 2.8 | 124 |
| 0.4 | 57 |
| 2.0 | 43 |
| 1.7 | 47 |
| 0.2 | 55 |
| 6.0 | 72 |
| 2.4 | 124 |
| 2.6 | 124 |
| 2.7 | 108 |
| 2.8 | 124 |
| 2.5 | 124 |
| 2.0 | 117 |
| 1.4 | 108 |
| 1.3 | 118 |
| 1.1 | 112 |
| 1.9 | 108 |
| 6.1 | 69 |
| 2.0 | 124 |
| 2.2 | 124 |
| 1.7 | 124 |
| 2.1 | 108 |
| 2.2 | 124 |
| 0.1 | 61 |
| 0.1 | 86 |
| 1.1 | 108 |
| 1.4 | 148 |
| 0.9 | 43 |
| 1.4 | 124 |
| 1.3 | 151 |
| 3.5 | 89 |
| 1.6 | 43 |
| 2.3 | 92 |
| 1.8 | 108 |
| 1.5 | 108 |
| 1.7 | 114 |
| 1.8 | 108 |
| 2.6 | 93 |
| 0.8 | 117 |
| 1.7 | 28 |
| 1.0 | 121 |
| 1.0 | 124 |
| 1.1 | 108 |
| 0.9 | 93 |
| 6.4 | 69 |
| 0.6 | 97 |
| 1.0 | 124 |
| 1.2 | 124 |
| 0.6 | 108 |
| 1.3 | 67 |
| 1.1 | 108 |
| 0.6 | 49 |
| 1.1 | 51 |
| 1.1 | 148 |
| 1.5 | 22 |
| 0.6 | 124 |
| 2.7 | 89 |
| 0.6 | 71 |
| 0.6 | 124 |
| 0.5 | 124 |
| 2.2 | 24 |
| 2.9 | 80 |
| 5.4 | 61 |
| 2.2 | 89 |
| 0.6 | 53 |
| 0.4 | 124 |
| 1.7 | 84 |
| 1.3 | 28 |
| 0.1 | 124 |
| 0.6 | 71 |
| 1.8 | 89 |
| 1.2 | 67 |
| 4.0 | 73 |
| 4.6 | 72 |
| 2.4 | 72 |
| 0.1 | 123 |
| 0.3 | 108 |
| 0.1 | 108 |
| 0.2 | 108 |
| 0.3 | 124 |
| 0.1 | 108 |
| 0.8 | 97 |
| 1.5 | 24 |
| 0.1 | 123 |
| 0.3 | 148 |
| 0.1 | 124 |
| 0.1 | 118 |
| 0.5 | 46 |
| 3.8 | 72 |
| 0.1 | 97 |
| 4.9 | 15 |
| 4.8 | 56 |
| 2.2 | 15 |
| 0.3 | 97 |
| 0.3 | 93 |
| 0.9 | 94 |
| 0.5 | 90 |
| 0.6 | 90 |
| 0.4 | 28 |
| 0.2 | 93 |
| 1.3 | 15 |
| 0.2 | 62 |
| 1.4 | 15 |
| 0.7 | 26 |
| 3.3 | 72 |
| 0.4 | 26 |
| 1.1 | 26 |
| 4.8 | 61 |
| 2.1 | 37 |
| 0.7 | 38 |
| 1.5 | 28 |
| 1.8 | 70 |
| 1.5 | 74 |
| 4.0 | 15 |
| 1.9 | 15 |
| 0.3 | 35 |
| 4.7 | 56 |
| 0.4 | 35 |
| 0.9 | 26 |
| 2.8 | 72 |
| 0.1 | 26 |
| 4.3 | 72 |
| 4.2 | 72 |
| 0.1 | 67 |
| 5.0 | 29 |
| 4.3 | 64 |
| 0.6 | 89 |
| 0.2 | 90 |
| 2.9 | 58 |
| 0.2 | 89 |
| 3.9 | 0 |
| 3.6 | 72 |
| 3.2 | 15 |
| 0.9 | 15 |
| 1.6 | 15 |
| 0.7 | 26 |
| 4.1 | 72 |
| 3.3 | 72 |
| 0.2 | 26 |
| 0.7 | 60 |
| 3.2 | 72 |
| 0.1 | 92 |
| 4.3 | 64 |
| 2.0 | 72 |
| 5.4 | 34 |
| 0.2 | 85 |
| 1.0 | 77 |
| 3.3 | 69 |
| 0.5 | 15 |
| 3.2 | 15 |
| 3.2 | 72 |
| 2.9 | 72 |
| 1.6 | 15 |
| 0.3 | 62 |
| 1.4 | 15 |
| 0.1 | 26 |
| 1.4 | 0 |
| 3.1 | 72 |
| 1.7 | 15 |
| 2.6 | 15 |
| 2.4 | 72 |
| 0.5 | 24 |
| 0.1 | 24 |
| 0.6 | 82 |
| 1.6 | 72 |
| 1.7 | 72 |
| 0.3 | 28 |
| 0.6 | 15 |
| 2.0 | 15 |
| 0.4 | 28 |
| 2.2 | 58 |
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 Germany and 35 other countries, 17 July to 14 August 2019 (this event) |
Every Record Set
20 of 2,756| Date | Station | Record | Value | Margin | Years stood | Significance |
|---|---|---|---|---|---|---|
| 2019-07-23 | Malin Head | Record high minimum temperature | 18.5 C (65.3 F) | 0.1 C (0.2 F) | 63 | 48 of 100 (Notable) |
| 2019-07-24 | Oxford | Record high maximum temperature | 36.5 C (97.7 F) | 1.4 C (2.5 F) | 86 | 60 of 100 (Major) |
| 2019-07-24 | De Bilt | Record high maximum temperature | 36.4 C (97.5 F) | 0.3 C (0.5 F) | 72 | 51 of 100 (Notable) |
| 2019-07-24 | Lyon - St Exupery | Record high maximum temperature | 39.4 C (102.9 F) | 5.2 C (9.4 F) | 97 | 50 of 100 (Notable) |
| 2019-07-24 | Hohenpeissenberg | Record high maximum temperature | 31.9 C (89.4 F) | 4.4 C (7.9 F) | 124 | 49 of 100 (Notable) |
| 2019-07-24 | Montabaur | Record high maximum temperature | 37.4 C (99.3 F) | 0.6 C (1.1 F) | 67 | 49 of 100 (Notable) |
| 2019-07-25 | Altastenberg | Record high maximum temperature | 31.9 C (89.4 F) | 0.4 C (0.7 F) | 108 | 60 of 100 (Major) |
| 2019-07-25 | Abbeville | Record high maximum temperature | 41.3 C (106.3 F) | 3.5 C (6.3 F) | 67 | 57 of 100 (Notable) |
| 2019-07-25 | Le Bourget | Record high maximum temperature | 42.1 C (107.8 F) | 1.7 C (3.1 F) | 71 | 55 of 100 (Notable) |
| 2019-07-25 | Uccle | Record high maximum temperature | 39.7 C (103.5 F) | 0.9 C (1.6 F) | 72 | 53 of 100 (Notable) |
| 2019-07-25 | Alencon-Valframbert | Record high maximum temperature | 39.8 C (103.6 F) | 0.8 C (1.4 F) | 71 | 49 of 100 (Notable) |
| 2019-07-25 | Regensburg | Record high maximum temperature | 38.3 C (100.9 F) | 3.9 C (7.0 F) | 108 | 48 of 100 (Notable) |
| 2019-07-25 | Sonnblick | Record high minimum temperature | 8.5 C (47.3 F) | 2.5 C (4.5 F) | 124 | 47 of 100 (Notable) |
| 2019-07-25 | Vestervig | Record high minimum temperature | 19.4 C (66.9 F) | 1.4 C (2.5 F) | 117 | 47 of 100 (Notable) |
| 2019-07-26 | Mainz-Lerchenberg (Zdf) | Record high minimum temperature | 25.0 C (77.0 F) | 1.4 C (2.5 F) | 67 | 51 of 100 (Notable) |
| 2019-07-26 | Graz | Record high minimum temperature | 21.6 C (70.9 F) | 2.1 C (3.8 F) | 108 | 47 of 100 (Notable) |
| 2019-07-27 | Mala | Record high maximum temperature | 32.8 C (91.0 F) | 0.7 C (1.3 F) | 74 | 50 of 100 (Notable) |
| 2019-07-27 | Jackvik | Record high maximum temperature | 30.9 C (87.6 F) | 0.4 C (0.7 F) | 74 | 50 of 100 (Notable) |
| 2019-07-27 | Mierkenis_A | Record high maximum temperature | 29.6 C (85.3 F) | 0.6 C (1.1 F) | 74 | 50 of 100 (Notable) |
| 2019-07-27 | Boden | Record high maximum temperature | 33.7 C (92.7 F) | 0.1 C (0.2 F) | 74 | 49 of 100 (Notable) |
The daily ledgers keep a limited number of records per day, so this list has 20 of the 2,756 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.