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

Heat wave in Russia and 5 other countries, 1 to 16 June 2021

Heat wave in Russia and 5 other countries, 1 to 16 June 2021: 285 records at 175 stations, peak on 9 June 2021. Closed.

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

Key Facts

  • Heat wave in Russia and 5 other countries, 1 to 16 June 2021 set or tied 285 station records at 175 stations.
  • It ran from 1 June 2021 to 16 June 2021 (16 days) and its peak day was 9 June 2021.
  • Status: closed.
  • Vladivostok set a daily record high maximum temperature of 27.8 C (82.0 F) on 8 June 2021.
  • The busiest day was 9 June 2021 with 46 records.
  • The oldest broken record in the ranked list had stood for 95 years.

Footprint

1 to 16 June 2021
Footprint of Heat wave in Russia and 5 other countries, 1 to 16 June 2021 The area covered by Heat wave in Russia and 5 other countries, 1 to 16 June 2021 is outlined, with 20 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in Russia and 5 other countries, 1 to 16 June 2021 is outlined, with 20 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Heat wave in Russia and 5 other countries, 1 to 16 June 2021: stations that set records in the event
StationTypeValueDate
VladivostokRecord high maximum temperature27.8 C (82.0 F)2021-06-08
BorzjaRecord high minimum temperature17.5 C (63.5 F)2021-06-07
TangujRecord high maximum temperature31.2 C (88.2 F)2021-06-04
NoglikiRecord high minimum temperature15.2 C (59.4 F)2021-06-10
HamamatsuRecord high maximum temperature32.6 C (90.7 F)2021-06-08
BomnakRecord high maximum temperature32.3 C (90.1 F)2021-06-08
TimiryazevskijRecord high maximum temperature30.3 C (86.5 F)2021-06-12
TongheRecord high minimum temperature20.5 C (68.9 F)2021-06-16
Sofijskij PriiskRecord high maximum temperature29.5 C (85.1 F)2021-06-08
BikinRecord high maximum temperature31.1 C (88.0 F)2021-06-09
FukauraRecord high maximum temperature29.3 C (84.7 F)2021-06-11
AgzuRecord high minimum temperature15.0 C (59.0 F)2021-06-11
ZavitajaRecord high minimum temperature17.4 C (63.3 F)2021-06-16
OlekminskRecord high maximum temperature32.3 C (90.1 F)2021-06-05
WakayamaRecord high maximum temperature31.9 C (89.4 F)2021-06-09
TroickoeRecord high maximum temperature30.7 C (87.3 F)2021-06-09
MutsuRecord high maximum temperature29.8 C (85.6 F)2021-06-11
TsurugaRecord high minimum temperature20.6 C (69.1 F)2021-06-03
NizhneangarskRecord high maximum temperature25.7 C (78.3 F)2021-06-05
KanazawaRecord high minimum temperature20.9 C (69.6 F)2021-06-13

Records per Day

Peak day 46
Records per day during Heat wave in Russia and 5 other countries, 1 to 16 June 2021 Records set or tied each day from 1 June 2021 to 16 June 2021. The most in one day was 46 on 9 June 2021. 0 13 25 38 50 06-0106-0306-0506-0706-0906-1106-1306-15
Records set or tied each day from 1 June 2021 to 16 June 2021. The most in one day was 46 on 9 June 2021.
Records per day during Heat wave in Russia and 5 other countries, 1 to 16 June 2021
DateRecords
2021-06-011
2021-06-023
2021-06-0314
2021-06-0418
2021-06-0517
2021-06-0610
2021-06-0720
2021-06-0835
2021-06-0946
2021-06-1035
2021-06-1127
2021-06-1210
2021-06-1318
2021-06-146
2021-06-158
2021-06-1617

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in Russia and 5 other countries, 1 to 16 June 2021 ranked by margin
Agzu, 06-114.5 C (8.1 F)
Hamamatsu, 06-083.5 C (6.3 F)
Mutsu, 06-113.3 C (5.9 F)
Fukaura, 06-113.0 C (5.4 F)
Tanguj, 06-042.3 C (4.1 F)
Olekminsk, 06-052.2 C (4.0 F)
Sofijskij Priisk, 06-081.7 C (3.1 F)
Tonghe, 06-161.5 C (2.7 F)
Vladivostok, 06-081.4 C (2.5 F)
Zavitaja, 06-161.3 C (2.3 F)
Borzja, 06-071.2 C (2.2 F)
Wakayama, 06-091.2 C (2.2 F)
Bikin, 06-091.1 C (2.0 F)
Nogliki, 06-101.0 C (1.8 F)
Kanazawa, 06-131.0 C (1.8 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 5 other countries, 1 to 16 June 2021 285 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 25 50 75 100 0.01.32.53.85.0 Margin (C) Years the old record stood
285 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 5 other countries, 1 to 16 June 2021
Margin (C)Years the old record stood
1.494
1.295
2.372
1.072
1.568
3.539
0.768
0.768
3.046
1.768
1.368
4.536
1.172
3.348
1.260
2.250
0.772
1.060
0.270
0.164
2.650
0.568
1.846
2.546
1.250
1.655
1.366
1.550
0.264
1.750
1.248
0.258
0.168
1.950
4.139
2.036
0.754
1.050
0.360
0.156
1.748
0.150
2.152
0.159
0.463
0.462
0.556
1.448
0.948
1.650
1.550
0.350
1.048
1.052
1.248
0.148
2.930
1.450
2.442
0.156
0.258
1.048
1.240
1.740
0.452
1.748
2.143
0.346
0.848
2.640
0.152
2.042
0.950
2.039
1.831
0.151
0.448
1.139
0.348
0.943
1.143
0.148
0.148
0.548
0.350
0.250
0.543
2.019
2.218
0.948
0.115
3.93
1.039
0.148
0.148
1.739
0.450
0.444
0.446
0.346
0.248
0.148
0.348
3.124
0.148
0.447
0.152
0.534
3.122
0.210
0.144
1.134
0.734
0.440
0.934
0.540
0.643
1.043
3.618
1.434
2.626
2.820
0.344
0.830
0.240
0.538
0.543
1.335
1.030
1.828
2.620
1.330
1.624
1.520
3.37
0.632
0.240
2.035
0.930
2.422
2.018
3.18
0.235
0.439
2.814
2.116
0.520
3.211
0.330
0.131
3.02
1.120
0.720
1.224
2.214
2.311
1.226
0.132
2.77
0.232
1.220
0.919
0.620
0.332
1.212
1.024
1.126
1.622
1.126
0.226
0.330
0.816
0.124
2.00
0.719
1.019
0.818
0.224
2.512
1.612
1.68
1.68
1.822
2.86
1.510
1.811
1.211
0.716
0.422
0.418
0.220
0.516
0.519
0.319
0.816
0.418
0.619
0.132
1.016
1.512

Compared With Other Events

Station records per event
Station records in Heat wave in Russia and 5 other countries, 1 to 16 June 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 Russia and 5 other countries, 1 to 16 June 2021 (this event)285 records

Every Record Set

20 of 285
Every record set or tied during Heat wave in Russia and 5 other countries, 1 to 16 June 2021, in date order
DateStationRecordValueMarginYears stoodSignificance
2021-06-03TsurugaRecord high minimum temperature20.6 C (69.1 F)0.2 C (0.4 F)7028 of 100 (Routine)
2021-06-04TangujRecord high maximum temperature31.2 C (88.2 F)2.3 C (4.1 F)7232 of 100 (Routine)
2021-06-05OlekminskRecord high maximum temperature32.3 C (90.1 F)2.2 C (4.0 F)5029 of 100 (Routine)
2021-06-05NizhneangarskRecord high maximum temperature25.7 C (78.3 F)0.1 C (0.2 F)6428 of 100 (Routine)
2021-06-07BorzjaRecord high minimum temperature17.5 C (63.5 F)1.2 C (2.2 F)9540 of 100 (Notable)
2021-06-08VladivostokRecord high maximum temperature27.8 C (82.0 F)1.4 C (2.5 F)9441 of 100 (Notable)
2021-06-08HamamatsuRecord high maximum temperature32.6 C (90.7 F)3.5 C (6.3 F)3931 of 100 (Routine)
2021-06-08BomnakRecord high maximum temperature32.3 C (90.1 F)0.7 C (1.3 F)6831 of 100 (Routine)
2021-06-08Sofijskij PriiskRecord high maximum temperature29.5 C (85.1 F)1.7 C (3.1 F)6830 of 100 (Routine)
2021-06-09BikinRecord high maximum temperature31.1 C (88.0 F)1.1 C (2.0 F)7230 of 100 (Routine)
2021-06-09WakayamaRecord high maximum temperature31.9 C (89.4 F)1.2 C (2.2 F)6029 of 100 (Routine)
2021-06-09TroickoeRecord high maximum temperature30.7 C (87.3 F)0.7 C (1.3 F)7229 of 100 (Routine)
2021-06-10NoglikiRecord high minimum temperature15.2 C (59.4 F)1.0 C (1.8 F)7232 of 100 (Routine)
2021-06-11FukauraRecord high maximum temperature29.3 C (84.7 F)3.0 C (5.4 F)4630 of 100 (Routine)
2021-06-11AgzuRecord high minimum temperature15.0 C (59.0 F)4.5 C (8.1 F)3630 of 100 (Routine)
2021-06-11MutsuRecord high maximum temperature29.8 C (85.6 F)3.3 C (5.9 F)4829 of 100 (Routine)
2021-06-12TimiryazevskijRecord high maximum temperature30.3 C (86.5 F)0.7 C (1.3 F)6831 of 100 (Routine)
2021-06-13KanazawaRecord high minimum temperature20.9 C (69.6 F)1.0 C (1.8 F)6028 of 100 (Routine)
2021-06-16TongheRecord high minimum temperature20.5 C (68.9 F)1.5 C (2.7 F)6831 of 100 (Routine)
2021-06-16ZavitajaRecord high minimum temperature17.4 C (63.3 F)1.3 C (2.3 F)6830 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 285 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.