Built 2026-10-14 (14 October 2026)

Heat wave in Russia and 25 other countries, 4 to 23 May 2019

Heat wave in Russia and 25 other countries, 4 to 23 May 2019: 998 records at 458 stations, peak on 11 May 2019. Closed.

Data as of . Last revised (2026-10-12).

Key Facts

  • Heat wave in Russia and 25 other countries, 4 to 23 May 2019 set or tied 998 station records at 458 stations.
  • It ran from 4 May 2019 to 23 May 2019 (20 days) and its peak day was 11 May 2019.
  • Status: closed.
  • Arhangelsk set a monthly record high minimum temperature of 18.2 C (64.8 F) on 12 May 2019.
  • The busiest day was 11 May 2019 with 124 records.
  • The oldest broken record in the ranked list had stood for 135 years.

Footprint

4 to 23 May 2019
Footprint of Heat wave in Russia and 25 other countries, 4 to 23 May 2019 The area covered by Heat wave in Russia and 25 other countries, 4 to 23 May 2019 is outlined, with 16 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in Russia and 25 other countries, 4 to 23 May 2019 is outlined, with 16 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Heat wave in Russia and 25 other countries, 4 to 23 May 2019: stations that set records in the event
StationTypeValueDate
ArhangelskRecord high minimum temperature18.2 C (64.8 F)2019-05-12
SotchiRecord high minimum temperature19.7 C (67.5 F)2019-05-07
AktobeRecord high maximum temperature33.8 C (92.8 F)2019-05-09
Kanin NosRecord high maximum temperature11.3 C (52.3 F)2019-05-12
UmanRecord high minimum temperature17.6 C (63.7 F)2019-05-17
UilRecord high maximum temperature34.5 C (94.1 F)2019-05-10
TbilisiRecord high maximum temperature32.5 C (90.5 F)2019-05-19
KargopolRecord high minimum temperature13.8 C (56.8 F)2019-05-12
PoretskoyeRecord high minimum temperature17.4 C (63.3 F)2019-05-12
AtyrauRecord high minimum temperature20.0 C (68.0 F)2019-05-09
KazanRecord high maximum temperature30.7 C (87.3 F)2019-05-11
GancaRecord high minimum temperature18.7 C (65.7 F)2019-05-20
Visby_FlygplatsRecord high minimum temperature13.4 C (56.1 F)2019-05-21
Niznij NovgorodRecord high maximum temperature29.6 C (85.3 F)2019-05-13
MinskRecord high minimum temperature15.6 C (60.1 F)2019-05-21
StockholmRecord high maximum temperature26.6 C (79.9 F)2019-05-22

Records per Day

Peak day 124
Records per day during Heat wave in Russia and 25 other countries, 4 to 23 May 2019 Records set or tied each day from 4 May 2019 to 23 May 2019. The most in one day was 124 on 11 May 2019. 0 38 75 113 150 05-0405-0605-0805-1005-1205-1405-1605-1805-2005-22
Records set or tied each day from 4 May 2019 to 23 May 2019. The most in one day was 124 on 11 May 2019.
Records per day during Heat wave in Russia and 25 other countries, 4 to 23 May 2019
DateRecords
2019-05-045
2019-05-059
2019-05-0611
2019-05-0738
2019-05-0846
2019-05-0965
2019-05-1070
2019-05-11124
2019-05-12117
2019-05-1381
2019-05-1425
2019-05-1517
2019-05-1617
2019-05-1734
2019-05-1841
2019-05-1940
2019-05-2073
2019-05-21112
2019-05-2268
2019-05-235

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in Russia and 25 other countries, 4 to 23 May 2019 ranked by margin
Aktobe, 05-094.0 C (7.2 F)
Kanin Nos, 05-123.2 C (5.8 F)
Sotchi, 05-072.8 C (5.0 F)
Uil, 05-102.7 C (4.9 F)
Uman, 05-172.1 C (3.8 F)
Kazan, 05-112.1 C (3.8 F)
Uil, 05-092.0 C (3.6 F)
Tbilisi, 05-191.8 C (3.2 F)
Kazan, 05-121.7 C (3.1 F)
Kargopol, 05-121.5 C (2.7 F)
Poretskoye, 05-121.5 C (2.7 F)
Kazan, 05-131.5 C (2.7 F)
Aktobe, 05-131.3 C (2.3 F)
Arhangelsk, 05-121.0 C (1.8 F)
Atyrau, 05-090.9 C (1.6 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 Russia and 25 other countries, 4 to 23 May 2019 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 0.02.55.07.510.0 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 Russia and 25 other countries, 4 to 23 May 2019
Margin (C)Years the old record stood
1.0135
2.8126
4.0109
3.298
2.1112
1.8118
2.7109
2.0109
1.5112
1.5104
0.6102
1.3104
0.9109
2.197
0.9128
0.6112
0.7104
1.797
1.597
0.6129
0.7109
1.590
0.798
0.2128
1.686
0.297
1.286
1.781
4.161
4.161
2.069
0.288
2.876
1.281
1.770
2.676
2.576
1.768
2.960
0.180
3.061
2.070
9.044
1.076
2.961
0.378
1.078
0.770
1.676
0.576
2.276
2.076
0.476
3.461
0.676
1.476
2.060
1.676
1.464
1.169
1.852
0.276
3.652
3.552
3.252
3.357
1.076
6.136
2.161
0.776
1.564
0.970
2.760
5.820
0.669
0.469
0.764
2.952
1.361
2.861
1.961
1.269
0.672
1.164
2.250
2.452
1.256
1.161
0.561
1.861
3.750
2.550
0.760
0.861
1.661
1.164
2.652
0.572
0.465
2.452
1.165
0.964
4.140
0.460
0.360
0.961
1.661
0.461
1.650
0.461
5.149
0.261
1.261
0.161
1.661
0.564
1.661
2.250
1.160
1.661
1.852
1.065
2.746
1.026
1.152
1.861
0.164
2.656
0.256
1.161
0.456
1.056
0.761
0.861
0.760
2.052
3.950
2.552
0.425
1.160
2.746
0.254
1.937
0.361
4.044
2.244
1.061
0.361
3.049
0.652
2.940
2.052
3.244
0.160
2.050
1.158
1.448
1.550
0.761
0.746
0.250
1.449
3.144
0.261
0.356
1.952
1.152
4.136
4.140
4.144
3.844
0.456
2.944
1.250
1.344
0.265
1.642
1.944
0.446
0.146
1.946
0.156
3.533
0.756
0.158
1.344
1.844
1.752
1.550
0.750
1.936
0.750
0.360
2.936
1.244
2.834
0.844
2.136
0.844
1.952

Compared With Other Events

Station records per event
Station records in Heat wave in Russia and 25 other countries, 4 to 23 May 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 Russia and 25 other countries, 4 to 23 May 2019 (this event)998 records

Every Record Set

20 of 998
Every record set or tied during Heat wave in Russia and 25 other countries, 4 to 23 May 2019, in date order
DateStationRecordValueMarginYears stoodSignificance
2019-05-07SotchiRecord high minimum temperature19.7 C (67.5 F)2.8 C (5.0 F)12650 of 100 (Notable)
2019-05-09AktobeRecord high maximum temperature33.8 C (92.8 F)4.0 C (7.2 F)10947 of 100 (Notable)
2019-05-09UilRecord high maximum temperature33.0 C (91.4 F)2.0 C (3.6 F)10943 of 100 (Notable)
2019-05-09AtyrauRecord high minimum temperature20.0 C (68.0 F)0.9 C (1.6 F)10942 of 100 (Notable)
2019-05-10UilRecord high maximum temperature34.5 C (94.1 F)2.7 C (4.9 F)10944 of 100 (Notable)
2019-05-11KazanRecord high maximum temperature30.7 C (87.3 F)2.1 C (3.8 F)9742 of 100 (Notable)
2019-05-12ArhangelskRecord high minimum temperature18.2 C (64.8 F)1.0 C (1.8 F)13552 of 100 (Notable)
2019-05-12Kanin NosRecord high maximum temperature11.3 C (52.3 F)3.2 C (5.8 F)9847 of 100 (Notable)
2019-05-12KargopolRecord high minimum temperature13.8 C (56.8 F)1.5 C (2.7 F)11243 of 100 (Notable)
2019-05-12PoretskoyeRecord high minimum temperature17.4 C (63.3 F)1.5 C (2.7 F)10443 of 100 (Notable)
2019-05-12KazanRecord high maximum temperature32.2 C (90.0 F)1.7 C (3.1 F)9741 of 100 (Notable)
2019-05-13AktobeRecord high maximum temperature33.8 C (92.8 F)1.3 C (2.3 F)10442 of 100 (Notable)
2019-05-13Niznij NovgorodRecord high maximum temperature29.6 C (85.3 F)0.7 C (1.3 F)10441 of 100 (Notable)
2019-05-13KazanRecord high maximum temperature32.1 C (89.8 F)1.5 C (2.7 F)9741 of 100 (Notable)
2019-05-17UmanRecord high minimum temperature17.6 C (63.7 F)2.1 C (3.8 F)11245 of 100 (Notable)
2019-05-19TbilisiRecord high maximum temperature32.5 C (90.5 F)1.8 C (3.2 F)11844 of 100 (Notable)
2019-05-20GancaRecord high minimum temperature18.7 C (65.7 F)0.6 C (1.1 F)10242 of 100 (Notable)
2019-05-21Visby_FlygplatsRecord high minimum temperature13.4 C (56.1 F)0.9 C (1.6 F)12842 of 100 (Notable)
2019-05-21MinskRecord high minimum temperature15.6 C (60.1 F)0.6 C (1.1 F)11241 of 100 (Notable)
2019-05-22StockholmRecord high maximum temperature26.6 C (79.9 F)0.6 C (1.1 F)12941 of 100 (Notable)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 998 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.