Heat wave in Germany and 26 other countries, 31 July to 20 August 2025

Name: Heat wave in Germany and 26 other countries, 31 July to 20 August 2025
Start: 2025-07-31
End: 2025-08-20
Location: Germany, Spain, France, United Kingdom, Morocco, Italy, Switzerland, Sweden, Norway, Netherlands, Czech Republic, Romania, Ireland, Austria, Algeria, Gibraltar [United Kingdom], Montenegro, Poland, Slovakia, Finland, Hungary, Slovenia, Greece, Croatia, Luxembourg, Belgium, Denmark

Heat wave in Germany and 26 other countries, 31 July to 20 August 2025: 1,353 records at 534 stations, peak on 14 August 2025. Closed.

Data as of 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Key Facts

Heat wave in Germany and 26 other countries, 31 July to 20 August 2025 set or tied 1,353 station records at 534 stations.
It ran from 31 July 2025 to 20 August 2025 (21 days) and its peak day was 14 August 2025.
Status: closed.
Torrevieja set a daily record high maximum temperature of 40.7 C (105.3 F) on 18 August 2025.
The busiest day was 14 August 2025 with 315 records.
The oldest broken record in the ranked list had stood for 153 years.

Footprint

31 July to 20 August 2025

The area covered by Heat wave in Germany and 26 other countries, 31 July to 20 August 2025 is outlined, with 16 of the stations that set records marked, coloured by record type. Made with Natural Earth.

Footprint of Heat wave in Germany and 26 other countries, 31 July to 20 August 2025: stations that set records in the event
Station	Type	Value	Date
Torrevieja	Record high maximum temperature	40.7 C (105.3 F)	2025-08-18
Perpignan	Record high maximum temperature	39.3 C (102.7 F)	2025-08-10
Kleiner Feldberg/Taunus	Record high minimum temperature	23.0 C (73.4 F)	2025-08-14
Valentia Observatory	Record high maximum temperature	25.0 C (77.0 F)	2025-08-15
Murcia/San Javier	Record high maximum temperature	41.0 C (105.8 F)	2025-08-18
Altastenberg	Record high maximum temperature	29.7 C (85.5 F)	2025-08-14
Brocken	Record high minimum temperature	20.2 C (68.4 F)	2025-08-14
Marseilles-Marignane	Record high maximum temperature	38.9 C (102.0 F)	2025-08-16
Huelva	Record high maximum temperature	40.1 C (104.2 F)	2025-08-16
Daroca	Record high maximum temperature	39.8 C (103.6 F)	2025-08-08
Uccle	Record high minimum temperature	20.1 C (68.2 F)	2025-08-14
Milesovka	Record high minimum temperature	20.5 C (68.9 F)	2025-08-14
Nice	Record high maximum temperature	34.9 C (94.8 F)	2025-08-16
Murcia/Alcantarilla	Record high maximum temperature	45.0 C (113.0 F)	2025-08-18
Stiege	Record high maximum temperature	32.4 C (90.3 F)	2025-08-14
Dijon-Longvic	Record high maximum temperature	36.5 C (97.7 F)	2025-08-15

Records per Day

Peak day 315

Records set or tied each day from 31 July 2025 to 20 August 2025. The most in one day was 315 on 14 August 2025.

Records per day during Heat wave in Germany and 26 other countries, 31 July to 20 August 2025
Date	Records
2025-07-31	2
2025-08-01	1
2025-08-02	1
2025-08-03	4
2025-08-04	3
2025-08-05	19
2025-08-06	6
2025-08-07	6
2025-08-08	20
2025-08-09	30
2025-08-10	34
2025-08-11	93
2025-08-12	88
2025-08-13	145
2025-08-14	315
2025-08-15	272
2025-08-16	139
2025-08-17	111
2025-08-18	49
2025-08-19	14
2025-08-20	1

Top Records by Margin

Margin over the record replaced

Top records of Heat wave in Germany and 26 other countries, 31 July to 20 August 2025 ranked by margin
Kleiner Feldberg/Taunus, 08-14	6.6 C (11.9 F)
Torrevieja, 08-18	4.7 C (8.5 F)
Murcia/Alcantarilla, 08-18	4.2 C (7.6 F)
Altastenberg, 08-14	3.7 C (6.7 F)
Nice, 08-16	3.7 C (6.7 F)
Altastenberg, 08-14	3.5 C (6.3 F)
Perpignan, 08-17	3.5 C (6.3 F)
Perpignan, 08-10	3.4 C (6.1 F)
Valentia Observatory, 08-15	3.4 C (6.1 F)
Brocken, 08-14	3.4 C (6.1 F)
Perpignan, 08-17	3.2 C (5.8 F)
Stiege, 08-14	3.2 C (5.8 F)
Marseilles-Marignane, 08-16	3.0 C (5.4 F)
Huelva, 08-16	2.8 C (5.0 F)
Altastenberg, 08-13	2.4 C (4.3 F)

Margin is how far the new value is beyond the record it replaced. Ties are not shown.

Margin Against Age of the Broken Record

500 records plotted by how far they beat the old record (across) and how many years the old record had stood (up). Long standing records beaten by a wide margin sit in the top right.

Margin against age of the broken record in Heat wave in Germany and 26 other countries, 31 July to 20 August 2025
Margin (C)	Years the old record stood
4.7	76
3.4	114
3.4	80
6.6	72
0.5	64
3.7	114
3.5	92
3.0	92
3.4	92
2.8	95
1.5	153
1.7	114
3.7	68
2.2	100
3.2	76
2.4	92
4.2	76
3.5	76
1.5	102
3.2	92
3.5	82
0.8	114
1.4	37
0.5	102
0.6	102
0.5	128
1.7	82
1.5	87
1.1	92
3.4	72
0.2	116
0.7	92
1.5	92
0.3	92
0.4	92
1.8	76
4.1	38
1.1	80
2.1	82
3.4	67
2.8	50
1.2	82
2.5	72
1.9	78
1.3	82
3.6	40
1.6	76
0.9	78
1.7	68
1.3	82
5.3	51
0.3	60
3.1	52
1.1	50
2.2	63
2.0	78
2.9	72
2.6	67
0.6	7
4.6	14
0.7	22
0.9	82
6.7	4
2.2	64
0.9	72
0.6	72
0.1	78
0.2	78
0.7	76
4.1	38
1.2	72
0.1	78
2.4	63
2.7	72
1.2	67
4.4	16
0.7	82
2.8	50
4.4	3
2.1	68
4.0	34
0.9	72
2.0	72
2.2	72
2.2	72
1.3	64
0.5	75
3.0	55
2.8	64
0.4	72
4.0	20
4.2	38
4.4	31
0.3	82
2.4	55
0.1	72
0.4	6
1.1	67
0.6	72
0.8	72
1.4	72
0.4	78
1.0	72
0.9	72
0.8	72
0.4	67
0.1	79
1.1	66
1.0	64
1.5	56
1.8	60
3.6	42
1.1	63
0.3	70
2.7	38
1.8	59
1.1	72
0.6	72
2.9	52
1.1	72
3.0	51
3.1	51
2.8	51
0.3	68
1.4	48
3.5	34
1.0	59
1.6	52
0.1	18
4.2	51
0.7	64
1.9	63
0.9	72
0.2	72
0.6	72
3.8	40
1.9	52
0.3	72
1.0	59
0.4	38
3.0	26
3.4	22
3.0	39
0.6	13
2.2	51
0.7	67
1.2	64
0.5	19
0.3	37
4.9	34
1.1	66
1.9	66
1.0	59
1.2	48
3.1	38
0.8	54
4.4	2
0.1	1
0.6	1
0.2	72
4.0	40
3.8	40
0.9	59
4.1	51
2.7	51
3.2	51
1.4	59
1.6	59
2.6	51
0.1	68
1.3	58
2.3	35
0.7	66
0.8	66
1.0	56
2.8	38
2.5	51
2.1	48
3.0	34
0.5	1
6.3	6
2.1	48
1.7	51
0.8	66
1.8	52
3.0	24
1.0	51
1.8	43
2.6	40
2.8	40
1.3	59
0.8	59
4.5	40
3.3	40
3.4	40
0.1	68
2.0	30
1.8	51
0.5	2
3.9	38

Compared With Other Events

Station records per event

Station records in Heat wave in Germany and 26 other countries, 31 July to 20 August 2025 compared with similar events
Heat wave in United States and Mexico, 16 January to 14 February 2024	9,869 records
Heat wave in United States, 28 January to 24 February 2026	6,528 records
Heat wave in United States and Mexico, 24 May to 19 June 2020	5,047 records
Heat wave in United States and Mexico, 26 March to 17 April 2021	3,669 records
Heat wave in Germany and 49 other countries, 18 December 2021 to 15 January 2022	3,626 records
Heat wave in Germany and 26 other countries, 31 July to 20 August 2025 (this event)	1,353 records

Every Record Set

20 of 1,353

Every record set or tied during Heat wave in Germany and 26 other countries, 31 July to 20 August 2025, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2025-08-08	Daroca	Record high maximum temperature	39.8 C (103.6 F)	2.2 C (4.0 F)	100	45 of 100 (Notable)
2025-08-10	Perpignan	Record high maximum temperature	39.3 C (102.7 F)	3.4 C (6.1 F)	114	50 of 100 (Notable)
2025-08-13	Altastenberg	Record high minimum temperature	20.8 C (69.4 F)	2.4 C (4.3 F)	92	44 of 100 (Notable)
2025-08-14	Kleiner Feldberg/Taunus	Record high minimum temperature	23.0 C (73.4 F)	6.6 C (11.9 F)	72	49 of 100 (Notable)
2025-08-14	Altastenberg	Record high maximum temperature	29.7 C (85.5 F)	3.7 C (6.7 F)	114	48 of 100 (Notable)
2025-08-14	Altastenberg	Record high minimum temperature	21.7 C (71.1 F)	3.5 C (6.3 F)	92	48 of 100 (Notable)
2025-08-14	Brocken	Record high minimum temperature	20.2 C (68.4 F)	3.4 C (6.1 F)	92	46 of 100 (Notable)
2025-08-14	Uccle	Record high minimum temperature	20.1 C (68.2 F)	1.5 C (2.7 F)	153	45 of 100 (Notable)
2025-08-14	Milesovka	Record high minimum temperature	20.5 C (68.9 F)	1.7 C (3.1 F)	114	45 of 100 (Notable)
2025-08-14	Stiege	Record high maximum temperature	32.4 C (90.3 F)	3.2 C (5.8 F)	92	43 of 100 (Notable)
2025-08-15	Valentia Observatory	Record high maximum temperature	25.0 C (77.0 F)	3.4 C (6.1 F)	80	49 of 100 (Notable)
2025-08-15	Dijon-Longvic	Record high maximum temperature	36.5 C (97.7 F)	1.5 C (2.7 F)	102	43 of 100 (Notable)
2025-08-16	Marseilles-Marignane	Record high maximum temperature	38.9 C (102.0 F)	3.0 C (5.4 F)	92	46 of 100 (Notable)
2025-08-16	Huelva	Record high maximum temperature	40.1 C (104.2 F)	2.8 C (5.0 F)	95	46 of 100 (Notable)
2025-08-16	Nice	Record high maximum temperature	34.9 C (94.8 F)	3.7 C (6.7 F)	68	45 of 100 (Notable)
2025-08-17	Perpignan	Record high minimum temperature	29.2 C (84.6 F)	3.2 C (5.8 F)	76	44 of 100 (Notable)
2025-08-17	Perpignan	Record high maximum temperature	39.5 C (103.1 F)	3.5 C (6.3 F)	76	43 of 100 (Notable)
2025-08-18	Torrevieja	Record high maximum temperature	40.7 C (105.3 F)	4.7 C (8.5 F)	76	52 of 100 (Notable)
2025-08-18	Murcia/San Javier	Record high maximum temperature	41.0 C (105.8 F)	0.5 C (0.9 F)	64	49 of 100 (Notable)
2025-08-18	Murcia/Alcantarilla	Record high maximum temperature	45.0 C (113.0 F)	4.2 C (7.6 F)	76	44 of 100 (Notable)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 1,353 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.

Margin (C)	Years the old record stood
4.7	76
3.4	114
3.4	80
6.6	72
0.5	64
3.7	114
3.5	92
3.0	92
3.4	92
2.8	95
1.5	153
1.7	114
3.7	68
2.2	100
3.2	76
2.4	92
4.2	76
3.5	76
1.5	102
3.2	92
3.5	82
0.8	114
1.4	37
0.5	102
0.6	102
0.5	128
1.7	82
1.5	87
1.1	92
3.4	72
0.2	116
0.7	92
1.5	92
0.3	92
0.4	92
1.8	76
4.1	38
1.1	80
2.1	82
3.4	67
2.8	50
1.2	82
2.5	72
1.9	78
1.3	82
3.6	40
1.6	76
0.9	78
1.7	68
1.3	82
5.3	51
0.3	60
3.1	52
1.1	50
2.2	63
2.0	78
2.9	72
2.6	67
0.6	7
4.6	14
0.7	22
0.9	82
6.7	4
2.2	64
0.9	72
0.6	72
0.1	78
0.2	78
0.7	76
4.1	38
1.2	72
0.1	78
2.4	63
2.7	72
1.2	67
4.4	16
0.7	82
2.8	50
4.4	3
2.1	68
4.0	34
0.9	72
2.0	72
2.2	72
2.2	72
1.3	64
0.5	75
3.0	55
2.8	64
0.4	72
4.0	20
4.2	38
4.4	31
0.3	82
2.4	55
0.1	72
0.4	6
1.1	67
0.6	72
0.8	72
1.4	72
0.4	78
1.0	72
0.9	72
0.8	72
0.4	67
0.1	79
1.1	66
1.0	64
1.5	56
1.8	60
3.6	42
1.1	63
0.3	70
2.7	38
1.8	59
1.1	72
0.6	72
2.9	52
1.1	72
3.0	51
3.1	51
2.8	51
0.3	68
1.4	48
3.5	34
1.0	59
1.6	52
0.1	18
4.2	51
0.7	64
1.9	63
0.9	72
0.2	72
0.6	72
3.8	40
1.9	52
0.3	72
1.0	59
0.4	38
3.0	26
3.4	22
3.0	39
0.6	13
2.2	51
0.7	67
1.2	64
0.5	19
0.3	37
4.9	34
1.1	66
1.9	66
1.0	59
1.2	48
3.1	38
0.8	54
4.4	2
0.1	1
0.6	1
0.2	72
4.0	40
3.8	40
0.9	59
4.1	51
2.7	51
3.2	51
1.4	59
1.6	59
2.6	51
0.1	68
1.3	58
2.3	35
0.7	66
0.8	66
1.0	56
2.8	38
2.5	51
2.1	48
3.0	34
0.5	1
6.3	6
2.1	48
1.7	51
0.8	66
1.8	52
3.0	24
1.0	51
1.8	43
2.6	40
2.8	40
1.3	59
0.8	59
4.5	40
3.3	40
3.4	40
0.1	68
2.0	30
1.8	51
0.5	2
3.9	38

Margin (C)	Years the old record stood
4.7	76
3.4	114
3.4	80
6.6	72
0.5	64
3.7	114
3.5	92
3.0	92
3.4	92
2.8	95
1.5	153
1.7	114
3.7	68
2.2	100
3.2	76
2.4	92
4.2	76
3.5	76
1.5	102
3.2	92
3.5	82
0.8	114
1.4	37
0.5	102
0.6	102
0.5	128
1.7	82
1.5	87
1.1	92
3.4	72
0.2	116
0.7	92
1.5	92
0.3	92
0.4	92
1.8	76
4.1	38
1.1	80
2.1	82
3.4	67
2.8	50
1.2	82
2.5	72
1.9	78
1.3	82
3.6	40
1.6	76
0.9	78
1.7	68
1.3	82
5.3	51
0.3	60
3.1	52
1.1	50
2.2	63
2.0	78
2.9	72
2.6	67
0.6	7
4.6	14
0.7	22
0.9	82
6.7	4
2.2	64
0.9	72
0.6	72
0.1	78
0.2	78
0.7	76
4.1	38
1.2	72
0.1	78
2.4	63
2.7	72
1.2	67
4.4	16
0.7	82
2.8	50
4.4	3
2.1	68
4.0	34
0.9	72
2.0	72
2.2	72
2.2	72
1.3	64
0.5	75
3.0	55
2.8	64
0.4	72
4.0	20
4.2	38
4.4	31
0.3	82
2.4	55
0.1	72
0.4	6
1.1	67
0.6	72
0.8	72
1.4	72
0.4	78
1.0	72
0.9	72
0.8	72
0.4	67
0.1	79
1.1	66
1.0	64
1.5	56
1.8	60
3.6	42
1.1	63
0.3	70
2.7	38
1.8	59
1.1	72
0.6	72
2.9	52
1.1	72
3.0	51
3.1	51
2.8	51
0.3	68
1.4	48
3.5	34
1.0	59
1.6	52
0.1	18
4.2	51
0.7	64
1.9	63
0.9	72
0.2	72
0.6	72
3.8	40
1.9	52
0.3	72
1.0	59
0.4	38
3.0	26
3.4	22
3.0	39
0.6	13
2.2	51
0.7	67
1.2	64
0.5	19
0.3	37
4.9	34
1.1	66
1.9	66
1.0	59
1.2	48
3.1	38
0.8	54
4.4	2
0.1	1
0.6	1
0.2	72
4.0	40
3.8	40
0.9	59
4.1	51
2.7	51
3.2	51
1.4	59
1.6	59
2.6	51
0.1	68
1.3	58
2.3	35
0.7	66
0.8	66
1.0	56
2.8	38
2.5	51
2.1	48
3.0	34
0.5	1
6.3	6
2.1	48
1.7	51
0.8	66
1.8	52
3.0	24
1.0	51
1.8	43
2.6	40
2.8	40
1.3	59
0.8	59
4.5	40
3.3	40
3.4	40
0.1	68
2.0	30
1.8	51
0.5	2
3.9	38