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Data as of 2026-10-18
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Built 2026-10-19 (19 October 2026)

Heat wave in Finland and 18 other countries, 29 March to 11 April 2019

Heat wave in Finland and 18 other countries, 29 March to 11 April 2019: 278 records at 169 stations, peak on 6 April 2019. Closed.

Data as of . Last revised (2026-10-18).

Key Facts

  • Heat wave in Finland and 18 other countries, 29 March to 11 April 2019 set or tied 278 station records at 169 stations.
  • It ran from 29 March 2019 to 11 April 2019 (14 days) and its peak day was 6 April 2019.
  • Status: closed.
  • Halmstad set a daily record high maximum temperature of 19.2 C (66.6 F) on 5 April 2019.
  • The busiest day was 6 April 2019 with 72 records.
  • The oldest broken record in the ranked list had stood for 126 years.

Footprint

29 March to 11 April 2019
Footprint of Heat wave in Finland and 18 other countries, 29 March to 11 April 2019 The area covered by Heat wave in Finland and 18 other countries, 29 March to 11 April 2019 is outlined, with 19 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in Finland and 18 other countries, 29 March to 11 April 2019 is outlined, with 19 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Heat wave in Finland and 18 other countries, 29 March to 11 April 2019: stations that set records in the event
StationTypeValueDate
HalmstadRecord high maximum temperature19.2 C (66.6 F)2019-04-05
WarenRecord high maximum temperature21.3 C (70.3 F)2019-04-06
SzombathelyRecord high minimum temperature12.8 C (55.0 F)2019-04-09
VarbergRecord high maximum temperature20.0 C (68.0 F)2019-04-05
Slatteroy FyrRecord high maximum temperature17.4 C (63.3 F)2019-04-05
HoburgRecord high maximum temperature12.6 C (54.7 F)2019-04-05
Bergen FloridaRecord high maximum temperature19.8 C (67.6 F)2019-04-05
VingaRecord high maximum temperature15.9 C (60.6 F)2019-04-04
SaudaRecord high minimum temperature5.7 C (42.3 F)2019-04-03
Stavanger - ValandRecord high maximum temperature16.5 C (61.7 F)2019-04-04
FalsterboRecord high minimum temperature7.1 C (44.8 F)2019-04-04
Hallands_VaderoRecord high maximum temperature18.3 C (64.9 F)2019-04-05
KaliningradRecord high maximum temperature17.6 C (63.7 F)2019-04-06
Visby_FlygplatsRecord high maximum temperature14.2 C (57.6 F)2019-04-06
Heinersreuth-VollhofRecord high minimum temperature7.9 C (46.2 F)2019-04-09
Kem-PortRecord high maximum temperature8.9 C (48.0 F)2019-04-04
Utsira FyrRecord high maximum temperature14.3 C (57.7 F)2019-04-05
Lista FyrRecord high maximum temperature15.3 C (59.5 F)2019-04-05
MarnitzRecord high maximum temperature22.1 C (71.8 F)2019-04-06

Records per Day

Peak day 72
Records per day during Heat wave in Finland and 18 other countries, 29 March to 11 April 2019 Records set or tied each day from 29 March 2019 to 11 April 2019. The most in one day was 72 on 6 April 2019. 0 20 40 60 80 03-2904-0104-0304-0504-0704-0904-11
Records set or tied each day from 29 March 2019 to 11 April 2019. The most in one day was 72 on 6 April 2019.
Records per day during Heat wave in Finland and 18 other countries, 29 March to 11 April 2019
DateRecords
2019-03-291
2019-03-314
2019-04-016
2019-04-026
2019-04-0326
2019-04-0453
2019-04-0554
2019-04-0672
2019-04-0730
2019-04-0812
2019-04-096
2019-04-105
2019-04-113

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in Finland and 18 other countries, 29 March to 11 April 2019 ranked by margin
Slatteroy Fyr, 04-056.7 C (12.1 F)
Bergen Florida, 04-056.0 C (10.8 F)
Varberg, 04-055.8 C (10.4 F)
Vinga, 04-045.3 C (9.5 F)
Lista Fyr, 04-054.2 C (7.6 F)
Vinga, 04-063.5 C (6.3 F)
Utsira Fyr, 04-053.3 C (5.9 F)
Halmstad, 04-053.2 C (5.8 F)
Szombathely, 04-092.8 C (5.0 F)
Hallands_Vadero, 04-052.8 C (5.0 F)
Hoburg, 04-052.0 C (3.6 F)
Waren, 04-061.7 C (3.1 F)
Stavanger - Valand, 04-041.7 C (3.1 F)
Marnitz, 04-061.3 C (2.3 F)
Falsterbo, 04-041.2 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 Finland and 18 other countries, 29 March to 11 April 2019 278 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
278 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 Finland and 18 other countries, 29 March to 11 April 2019
Margin (C)Years the old record stood
3.2126
1.7126
2.880
5.865
6.728
2.076
6.044
5.337
0.381
1.772
1.269
0.480
2.865
0.666
0.272
3.332
1.061
3.544
1.357
4.232
0.857
1.165
0.365
0.665
0.272
4.013
3.032
3.536
3.036
1.461
1.657
1.557
3.838
2.732
3.044
1.161
0.254
2.044
0.165
1.157
0.957
0.252
1.744
2.426
0.361
0.161
1.442
1.344
0.246
0.854
0.349
1.240
1.244
1.444
0.361
4.722
1.837
0.646
1.144
1.744
0.557
0.752
2.237
2.428
0.444
1.244
1.937
0.844
0.236
3.216
0.644
2.222
4.62
0.944
1.734
1.044
0.744
0.744
2.032
2.716
1.736
1.037
1.544
0.944
0.444
0.825
1.728
1.036
2.328
1.436
0.344
0.536
0.536
0.342
1.037
2.712
0.144
0.728
3.322
0.528
0.244
1.136
1.532
0.836
0.236
2.816
1.232
1.236
0.336
0.144
2.122
0.237
0.534
0.736
0.536
0.736
0.836
1.628
0.736
0.536
0.633
2.024
1.312
0.144
0.244
0.234
1.428
0.136
0.336
0.336
1.620
1.314
1.912
2.14
1.430
1.828
0.122
0.628
2.410
0.613
1.522
1.522
0.828
0.728
1.328
0.336
0.336
2.620
0.336
0.237
0.332
0.920
0.820
0.132
2.54
1.216
2.213
0.528
0.820
1.513
0.818
1.022
0.328
1.714
1.520
0.333
0.420
0.920
1.32
0.428
0.522
1.113
2.420
0.522
1.028
1.09
0.717
1.013
0.913
0.122
0.420
0.122
0.228
1.214
0.128
1.820
0.428
1.620
0.99
1.19
3.82
0.218
0.713
1.317
0.89
0.40
0.921
0.14
0.49
0.116

Compared With Other Events

Station records per event
Station records in Heat wave in Finland and 18 other countries, 29 March to 11 April 2019 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 Finland and 18 other countries, 29 March to 11 April 2019 (this event)278 records

Every Record Set

20 of 278
Every record set or tied during Heat wave in Finland and 18 other countries, 29 March to 11 April 2019, in date order
DateStationRecordValueMarginYears stoodSignificance
2019-04-03SaudaRecord high minimum temperature5.7 C (42.3 F)0.3 C (0.5 F)8133 of 100 (Routine)
2019-04-04VingaRecord high maximum temperature15.9 C (60.6 F)5.3 C (9.5 F)3734 of 100 (Routine)
2019-04-04Stavanger - ValandRecord high maximum temperature16.5 C (61.7 F)1.7 C (3.1 F)7233 of 100 (Routine)
2019-04-04FalsterboRecord high minimum temperature7.1 C (44.8 F)1.2 C (2.2 F)6933 of 100 (Routine)
2019-04-04Kem-PortRecord high maximum temperature8.9 C (48.0 F)1.0 C (1.8 F)6130 of 100 (Routine)
2019-04-05HalmstadRecord high maximum temperature19.2 C (66.6 F)3.2 C (5.8 F)12647 of 100 (Notable)
2019-04-05VarbergRecord high maximum temperature20.0 C (68.0 F)5.8 C (10.4 F)6540 of 100 (Notable)
2019-04-05Slatteroy FyrRecord high maximum temperature17.4 C (63.3 F)6.7 C (12.1 F)2837 of 100 (Notable)
2019-04-05HoburgRecord high maximum temperature12.6 C (54.7 F)2.0 C (3.6 F)7637 of 100 (Notable)
2019-04-05Bergen FloridaRecord high maximum temperature19.8 C (67.6 F)6.0 C (10.8 F)4435 of 100 (Notable)
2019-04-05Hallands_VaderoRecord high maximum temperature18.3 C (64.9 F)2.8 C (5.0 F)6532 of 100 (Routine)
2019-04-05Utsira FyrRecord high maximum temperature14.3 C (57.7 F)3.3 C (5.9 F)3230 of 100 (Routine)
2019-04-05Lista FyrRecord high maximum temperature15.3 C (59.5 F)4.2 C (7.6 F)3229 of 100 (Routine)
2019-04-06WarenRecord high maximum temperature21.3 C (70.3 F)1.7 C (3.1 F)12643 of 100 (Notable)
2019-04-06KaliningradRecord high maximum temperature17.6 C (63.7 F)0.4 C (0.7 F)8032 of 100 (Routine)
2019-04-06Visby_FlygplatsRecord high maximum temperature14.2 C (57.6 F)0.2 C (0.4 F)7231 of 100 (Routine)
2019-04-06VingaRecord high maximum temperature14.0 C (57.2 F)3.5 C (6.3 F)4430 of 100 (Routine)
2019-04-06MarnitzRecord high maximum temperature22.1 C (71.8 F)1.3 C (2.3 F)5729 of 100 (Routine)
2019-04-09SzombathelyRecord high minimum temperature12.8 C (55.0 F)2.8 C (5.0 F)8042 of 100 (Notable)
2019-04-09Heinersreuth-VollhofRecord high minimum temperature7.9 C (46.2 F)0.6 C (1.1 F)6631 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 278 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 2026-10-18. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.