Built 2026-10-19 (19 October 2026)

Heat wave in Germany and 25 other countries, 16 to 22 October 2021

Heat wave in Germany and 25 other countries, 16 to 22 October 2021: 387 records at 318 stations, peak on 20 October 2021. Closed.

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

Key Facts

  • Heat wave in Germany and 25 other countries, 16 to 22 October 2021 set or tied 387 station records at 318 stations.
  • It ran from 16 October 2021 to 22 October 2021 (7 days) and its peak day was 20 October 2021.
  • Status: closed.
  • Uppsala_Aut set a daily record high maximum temperature of 15.3 C (59.5 F) on 20 October 2021.
  • The busiest day was 20 October 2021 with 169 records.
  • The oldest broken record in the ranked list had stood for 173 years.

Footprint

16 to 22 October 2021
Footprint of Heat wave in Germany and 25 other countries, 16 to 22 October 2021 The area covered by Heat wave in Germany and 25 other countries, 16 to 22 October 2021 is outlined, with 19 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in Germany and 25 other countries, 16 to 22 October 2021 is outlined, with 19 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Heat wave in Germany and 25 other countries, 16 to 22 October 2021: stations that set records in the event
StationTypeValueDate
Uppsala_AutRecord high maximum temperature15.3 C (59.5 F)2021-10-20
GreifswaldRecord high minimum temperature14.2 C (57.6 F)2021-10-20
PutbusRecord high minimum temperature13.6 C (56.5 F)2021-10-20
Tartu-ToravereRecord high minimum temperature11.5 C (52.7 F)2021-10-21
KlaipedaRecord high maximum temperature21.4 C (70.5 F)2021-10-21
BradfordRecord high maximum temperature18.6 C (65.5 F)2021-10-18
Dublin Phoenix ParkRecord high maximum temperature19.2 C (66.6 F)2021-10-19
SchwerinRecord high minimum temperature12.6 C (54.7 F)2021-10-20
Berlin-DahlemRecord high minimum temperature12.8 C (55.0 F)2021-10-20
GorlitzRecord high minimum temperature12.3 C (54.1 F)2021-10-20
Poitiers - BiardRecord high maximum temperature25.0 C (77.0 F)2021-10-19
MarnitzRecord high minimum temperature12.8 C (55.0 F)2021-10-20
WarenRecord high minimum temperature12.0 C (53.6 F)2021-10-20
FalunRecord high maximum temperature13.9 C (57.0 F)2021-10-20
MaastrichtRecord high minimum temperature14.6 C (58.3 F)2021-10-20
StrachowiceRecord high minimum temperature10.9 C (51.6 F)2021-10-20
PortoRecord high maximum temperature27.8 C (82.0 F)2021-10-20
Pte de ChassironRecord high minimum temperature17.6 C (63.7 F)2021-10-20
VoruRecord high minimum temperature11.9 C (53.4 F)2021-10-21

Records per Day

Peak day 169
Records per day during Heat wave in Germany and 25 other countries, 16 to 22 October 2021 Records set or tied each day from 16 October 2021 to 22 October 2021. The most in one day was 169 on 20 October 2021. 0 50 100 150 200 10-1610-1710-1810-1910-2010-2110-22
Records set or tied each day from 16 October 2021 to 22 October 2021. The most in one day was 169 on 20 October 2021.
Records per day during Heat wave in Germany and 25 other countries, 16 to 22 October 2021
DateRecords
2021-10-163
2021-10-178
2021-10-1825
2021-10-1970
2021-10-20169
2021-10-2185
2021-10-2227

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in Germany and 25 other countries, 16 to 22 October 2021 ranked by margin
Klaipeda, 10-214.7 C (8.5 F)
Voru, 10-212.6 C (4.7 F)
Uppsala_Aut, 10-202.3 C (4.1 F)
Greifswald, 10-202.1 C (3.8 F)
Strachowice, 10-202.0 C (3.6 F)
Porto, 10-201.7 C (3.1 F)
Putbus, 10-201.6 C (2.9 F)
Tartu-Toravere, 10-211.6 C (2.9 F)
Pte de Chassiron, 10-201.2 C (2.2 F)
Bradford, 10-180.8 C (1.4 F)
Berlin-Dahlem, 10-200.6 C (1.1 F)
Poitiers - Biard, 10-190.5 C (0.9 F)
Schwerin, 10-200.4 C (0.7 F)
Gorlitz, 10-200.4 C (0.7 F)
Dublin Phoenix Park, 10-190.3 C (0.5 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 25 other countries, 16 to 22 October 2021 387 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 50 100 150 200 0.01.53.04.56.0 Margin (C) Years the old record stood
387 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 25 other countries, 16 to 22 October 2021
Margin (C)Years the old record stood
2.3173
2.1120
1.6146
1.6112
4.772
0.8100
0.3121
0.4100
0.6120
0.4120
0.598
0.3100
0.1100
0.1100
0.198
0.198
2.082
1.780
2.672
1.272
2.076
1.572
1.372
2.672
2.172
2.372
0.472
4.155
1.472
0.372
1.272
2.544
3.238
0.572
0.172
1.768
0.372
0.267
2.055
0.567
1.562
1.460
1.962
0.272
2.955
0.267
0.468
0.467
0.668
1.560
0.468
0.168
1.740
1.354
2.655
0.760
0.860
0.660
0.952
2.455
1.060
1.259
1.259
1.160
0.652
0.454
0.460
1.056
1.059
0.360
0.660
1.059
1.244
1.652
0.351
0.260
0.160
0.359
2.444
1.154
0.555
0.459
1.552
0.752
0.259
0.750
0.752
0.550
3.536
0.251
0.154
2.543
0.350
1.944
0.736
0.736
0.752
0.151
1.243
1.151
0.554
0.740
0.344
0.251
0.155
0.236
0.250
0.451
0.552
0.938
0.452
1.136
1.036
1.243
1.243
0.344
2.620
1.543
0.444
3.131
1.436
1.436
0.736
1.036
0.936
2.220
2.015
2.532
0.636
1.236
0.836
3.27
1.724
1.524
2.224
1.032
0.732
1.432
3.57
0.520
0.132
5.28
0.236
0.136
0.236
1.116
4.07
1.926
1.926
0.238
2.020
1.420
0.124
2.116
3.112
1.18
3.012
0.932
1.07
1.820
2.520
0.832
0.232
2.020
1.88
0.532
1.220
0.27
1.712
1.012
0.524
2.47
1.112
1.423
1.024
2.32
0.320
2.27
0.720
1.88
0.632
1.820
0.98
1.57
0.97
1.08
2.17
2.48
1.82
1.319
1.519
1.88
0.224
0.124
0.424
1.626
0.631
2.04
0.58
1.58

Compared With Other Events

Station records per event
Station records in Heat wave in Germany and 25 other countries, 16 to 22 October 2021 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 25 other countries, 16 to 22 October 2021 (this event)387 records

Every Record Set

20 of 387
Every record set or tied during Heat wave in Germany and 25 other countries, 16 to 22 October 2021, in date order
DateStationRecordValueMarginYears stoodSignificance
2021-10-18BradfordRecord high maximum temperature18.6 C (65.5 F)0.8 C (1.4 F)10042 of 100 (Notable)
2021-10-19Dublin Phoenix ParkRecord high maximum temperature19.2 C (66.6 F)0.3 C (0.5 F)12141 of 100 (Notable)
2021-10-19Poitiers - BiardRecord high maximum temperature25.0 C (77.0 F)0.5 C (0.9 F)9840 of 100 (Notable)
2021-10-20Uppsala_AutRecord high maximum temperature15.3 C (59.5 F)2.3 C (4.1 F)17346 of 100 (Notable)
2021-10-20GreifswaldRecord high minimum temperature14.2 C (57.6 F)2.1 C (3.8 F)12045 of 100 (Notable)
2021-10-20PutbusRecord high minimum temperature13.6 C (56.5 F)1.6 C (2.9 F)14645 of 100 (Notable)
2021-10-20SchwerinRecord high minimum temperature12.6 C (54.7 F)0.4 C (0.7 F)10041 of 100 (Notable)
2021-10-20Berlin-DahlemRecord high minimum temperature12.8 C (55.0 F)0.6 C (1.1 F)12041 of 100 (Notable)
2021-10-20GorlitzRecord high minimum temperature12.3 C (54.1 F)0.4 C (0.7 F)12041 of 100 (Notable)
2021-10-20MarnitzRecord high minimum temperature12.8 C (55.0 F)0.3 C (0.5 F)10040 of 100 (Notable)
2021-10-20WarenRecord high minimum temperature12.0 C (53.6 F)0.1 C (0.2 F)10040 of 100 (Notable)
2021-10-20FalunRecord high maximum temperature13.9 C (57.0 F)0.1 C (0.2 F)10040 of 100 (Notable)
2021-10-20Poitiers - BiardRecord high minimum temperature15.8 C (60.4 F)0.1 C (0.2 F)9839 of 100 (Notable)
2021-10-20MaastrichtRecord high minimum temperature14.6 C (58.3 F)0.1 C (0.2 F)9839 of 100 (Notable)
2021-10-20StrachowiceRecord high minimum temperature10.9 C (51.6 F)2.0 C (3.6 F)8236 of 100 (Notable)
2021-10-20PortoRecord high maximum temperature27.8 C (82.0 F)1.7 C (3.1 F)8036 of 100 (Notable)
2021-10-20Pte de ChassironRecord high minimum temperature17.6 C (63.7 F)1.2 C (2.2 F)7235 of 100 (Notable)
2021-10-21Tartu-ToravereRecord high minimum temperature11.5 C (52.7 F)1.6 C (2.9 F)11243 of 100 (Notable)
2021-10-21KlaipedaRecord high maximum temperature21.4 C (70.5 F)4.7 C (8.5 F)7243 of 100 (Notable)
2021-10-21VoruRecord high minimum temperature11.9 C (53.4 F)2.6 C (4.7 F)7235 of 100 (Notable)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 387 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.