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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Heat wave in Germany and 33 other countries, 3 to 29 April 2020

Heat wave in Germany and 33 other countries, 3 to 29 April 2020: 1,830 records at 747 stations, peak on 8 April 2020. Closed.

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

Key Facts

  • Heat wave in Germany and 33 other countries, 3 to 29 April 2020 set or tied 1,830 station records at 747 stations.
  • It ran from 3 April 2020 to 29 April 2020 (27 days) and its peak day was 8 April 2020.
  • Status: closed.
  • Laghouat set a daily record high minimum temperature of 19.4 C (66.9 F) on 17 April 2020.
  • The busiest day was 8 April 2020 with 245 records.
  • The oldest broken record in the ranked list had stood for 150 years.

Footprint

3 to 29 April 2020
Footprint of Heat wave in Germany and 33 other countries, 3 to 29 April 2020 The area covered by Heat wave in Germany and 33 other countries, 3 to 29 April 2020 is outlined, with 18 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in Germany and 33 other countries, 3 to 29 April 2020 is outlined, with 18 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Heat wave in Germany and 33 other countries, 3 to 29 April 2020: stations that set records in the event
StationTypeValueDate
LaghouatRecord high minimum temperature19.4 C (66.9 F)2020-04-17
EastbourneRecord high maximum temperature22.5 C (72.5 F)2020-04-09
WisleyRecord high maximum temperature23.8 C (74.8 F)2020-04-09
Cet Central EnglandRecord high maximum temperature20.0 C (68.0 F)2020-04-04
Pte de la HagueRecord high maximum temperature20.1 C (68.2 F)2020-04-05
Heinersreuth-VollhofRecord high maximum temperature22.3 C (72.1 F)2020-04-08
OxfordRecord high maximum temperature23.8 C (74.8 F)2020-04-09
Tizi OuzouRecord high minimum temperature16.4 C (61.5 F)2020-04-17
RothamstedRecord high maximum temperature20.8 C (69.4 F)2020-04-04
Rennes-St JacquesRecord high maximum temperature25.3 C (77.5 F)2020-04-12
BjelasnicaRecord high minimum temperature6.1 C (43.0 F)2020-04-19
OrlyRecord high maximum temperature22.9 C (73.2 F)2020-04-05
KremsmuensterRecord high maximum temperature23.2 C (73.8 F)2020-04-06
Oestersund-FroesoenRecord high minimum temperature2.9 C (37.2 F)2020-04-07
MagdeburgRecord high maximum temperature22.9 C (73.2 F)2020-04-08
SheffieldRecord high maximum temperature21.6 C (70.9 F)2020-04-09
SonnblickRecord high maximum temperature2.6 C (36.7 F)2020-04-18
Marseilles-MarignaneRecord high minimum temperature15.0 C (59.0 F)2020-04-20

Records per Day

Peak day 245
Records per day during Heat wave in Germany and 33 other countries, 3 to 29 April 2020 Records set or tied each day from 3 April 2020 to 29 April 2020. The most in one day was 245 on 8 April 2020. 0 63 125 188 250 04-0304-0604-0904-1204-1504-1804-2104-2404-27
Records set or tied each day from 3 April 2020 to 29 April 2020. The most in one day was 245 on 8 April 2020.
Records per day during Heat wave in Germany and 33 other countries, 3 to 29 April 2020
DateRecords
2020-04-032
2020-04-0435
2020-04-0581
2020-04-06225
2020-04-07157
2020-04-08245
2020-04-09199
2020-04-10138
2020-04-11160
2020-04-12170
2020-04-1319
2020-04-1410
2020-04-159
2020-04-1625
2020-04-17101
2020-04-1866
2020-04-1950
2020-04-2041
2020-04-2114
2020-04-2212
2020-04-2313
2020-04-2415
2020-04-2515
2020-04-2612
2020-04-279
2020-04-286
2020-04-291

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in Germany and 33 other countries, 3 to 29 April 2020 ranked by margin
Laghouat, 04-175.4 C (9.7 F)
Rennes-St Jacques, 04-125.3 C (9.5 F)
Eastbourne, 04-094.2 C (7.6 F)
Pte de la Hague, 04-053.9 C (7.0 F)
Pte de la Hague, 04-112.7 C (4.9 F)
Heinersreuth-Vollhof, 04-082.4 C (4.3 F)
Wisley, 04-091.9 C (3.4 F)
Rothamsted, 04-041.9 C (3.4 F)
Orly, 04-051.7 C (3.1 F)
Oxford, 04-091.6 C (2.9 F)
Cet Central England, 04-041.5 C (2.7 F)
Tizi Ouzou, 04-171.4 C (2.5 F)
Magdeburg, 04-081.4 C (2.5 F)
Bjelasnica, 04-191.3 C (2.3 F)
Kremsmuenster, 04-061.2 C (2.2 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

Margin against age of the broken record in Heat wave in Germany and 33 other countries, 3 to 29 April 2020 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. 0 38 75 113 150 0.02.04.06.08.0 Margin (C) Years the old record stood
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 33 other countries, 3 to 29 April 2020
Margin (C)Years the old record stood
5.485
4.281
1.9111
1.4114
3.960
2.4104
1.5127
1.6111
1.3120
5.375
2.775
1.994
0.8114
1.2127
1.797
1.4119
0.9135
0.9111
0.6100
1.195
0.999
0.4100
0.4110
0.4114
0.4127
0.5119
7.848
0.597
0.4108
0.2137
0.2150
2.581
0.890
2.277
0.691
1.189
1.981
0.494
2.081
0.787
1.581
1.187
1.781
4.464
1.375
6.123
5.259
0.885
1.582
1.381
1.281
0.487
0.685
4.169
0.781
5.639
1.575
0.386
3.764
1.776
0.977
0.581
0.881
0.382
0.682
1.271
0.881
1.469
0.385
2.159
0.479
3.959
4.846
0.477
2.368
2.260
7.213
0.677
1.865
4.159
2.070
2.759
2.270
1.768
1.960
1.559
1.673
2.751
0.175
2.068
1.470
3.159
1.270
2.759
4.939
0.467
3.941
4.832
0.664
1.363
0.668
0.973
1.763
0.969
1.668
1.668
1.068
1.567
1.268
1.659
1.268
2.846
3.546
0.771
1.169
1.760
2.059
4.939
7.213
2.159
0.268
0.475
0.571
0.869
0.472
1.064
0.571
4.338
3.946
1.159
1.368
0.868
0.173
0.570
1.959
1.468
1.159
0.373
0.959
0.670
1.268
1.559
0.969
2.750
2.654
4.946
1.059
3.746
0.271
0.175
1.659
2.950
0.175
0.175
5.229
2.546
4.039
4.623
2.651
4.837
2.059
3.729
0.759
1.163
0.368
0.668
0.268
1.268
0.759
0.168
2.059
1.168
1.068
2.159
0.473
2.059
1.659
0.368
0.768
0.263
0.163
2.546
0.760
0.968
0.858
1.959
0.864
0.468
1.746
3.339
3.740
5.525
4.423
0.865
0.268
4.043
1.151
1.159
1.059
0.468

Compared With Other Events

Station records per event
Station records in Heat wave in Germany and 33 other countries, 3 to 29 April 2020 compared with similar events
Heat wave in United States and Mexico, 16 January to 14 February 20249,869 records
Heat wave in United States, 28 January to 24 February 20266,528 records
Heat wave in United States and Mexico, 24 May to 19 June 20205,047 records
Heat wave in United States and Mexico, 26 March to 17 April 20213,669 records
Heat wave in Germany and 49 other countries, 18 December 2021 to 15 January 20223,626 records
Heat wave in Germany and 33 other countries, 3 to 29 April 2020 (this event)1,830 records

Every Record Set

20 of 1,830
Every record set or tied during Heat wave in Germany and 33 other countries, 3 to 29 April 2020, in date order
DateStationRecordValueMarginYears stoodSignificance
2020-04-04Cet Central EnglandRecord high maximum temperature20.0 C (68.0 F)1.5 C (2.7 F)12744 of 100 (Notable)
2020-04-04RothamstedRecord high maximum temperature20.8 C (69.4 F)1.9 C (3.4 F)9443 of 100 (Notable)
2020-04-05Pte de la HagueRecord high maximum temperature20.1 C (68.2 F)3.9 C (7.0 F)6044 of 100 (Notable)
2020-04-05OrlyRecord high maximum temperature22.9 C (73.2 F)1.7 C (3.1 F)9742 of 100 (Notable)
2020-04-06KremsmuensterRecord high maximum temperature23.2 C (73.8 F)1.2 C (2.2 F)12742 of 100 (Notable)
2020-04-07Oestersund-FroesoenRecord high minimum temperature2.9 C (37.2 F)0.9 C (1.6 F)13542 of 100 (Notable)
2020-04-08Heinersreuth-VollhofRecord high maximum temperature22.3 C (72.1 F)2.4 C (4.3 F)10444 of 100 (Notable)
2020-04-08MagdeburgRecord high maximum temperature22.9 C (73.2 F)1.4 C (2.5 F)11942 of 100 (Notable)
2020-04-09EastbourneRecord high maximum temperature22.5 C (72.5 F)4.2 C (7.6 F)8149 of 100 (Notable)
2020-04-09WisleyRecord high maximum temperature23.8 C (74.8 F)1.9 C (3.4 F)11145 of 100 (Notable)
2020-04-09OxfordRecord high maximum temperature23.8 C (74.8 F)1.6 C (2.9 F)11144 of 100 (Notable)
2020-04-09SheffieldRecord high maximum temperature21.6 C (70.9 F)0.9 C (1.6 F)11142 of 100 (Notable)
2020-04-11Pte de la HagueRecord high maximum temperature21.7 C (71.1 F)2.7 C (4.9 F)7543 of 100 (Notable)
2020-04-12Rennes-St JacquesRecord high maximum temperature25.3 C (77.5 F)5.3 C (9.5 F)7543 of 100 (Notable)
2020-04-16LaghouatRecord high minimum temperature14.8 C (58.6 F)0.8 C (1.4 F)11442 of 100 (Notable)
2020-04-17LaghouatRecord high minimum temperature19.4 C (66.9 F)5.4 C (9.7 F)8550 of 100 (Notable)
2020-04-17Tizi OuzouRecord high minimum temperature16.4 C (61.5 F)1.4 C (2.5 F)11444 of 100 (Notable)
2020-04-18SonnblickRecord high maximum temperature2.6 C (36.7 F)0.6 C (1.1 F)10041 of 100 (Notable)
2020-04-19BjelasnicaRecord high minimum temperature6.1 C (43.0 F)1.3 C (2.3 F)12043 of 100 (Notable)
2020-04-20Marseilles-MarignaneRecord high minimum temperature15.0 C (59.0 F)1.1 C (2.0 F)9541 of 100 (Notable)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 1,830 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.