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Built 2026-10-19 (19 October 2026)

Heat wave in Russia and China, 8 to 28 August 2021

Heat wave in Russia and China, 8 to 28 August 2021: 211 records at 75 stations, peak on 21 August 2021. Closed.

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

Key Facts

  • Heat wave in Russia and China, 8 to 28 August 2021 set or tied 211 station records at 75 stations.
  • It ran from 8 August 2021 to 28 August 2021 (21 days) and its peak day was 21 August 2021.
  • Status: closed.
  • Ust-Maja set a daily record high maximum temperature of 31.5 C (88.7 F) on 21 August 2021.
  • The busiest day was 21 August 2021 with 37 records.
  • The oldest broken record in the ranked list had stood for 91 years.

Footprint

8 to 28 August 2021
Footprint of Heat wave in Russia and China, 8 to 28 August 2021 The area covered by Heat wave in Russia and China, 8 to 28 August 2021 is outlined, with 14 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in Russia and China, 8 to 28 August 2021 is outlined, with 14 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Heat wave in Russia and China, 8 to 28 August 2021: stations that set records in the event
StationTypeValueDate
Ust-MajaRecord high maximum temperature31.5 C (88.7 F)2021-08-21
Krasnyj JarRecord high maximum temperature34.9 C (94.8 F)2021-08-20
TegjultjaRecord high minimum temperature14.0 C (57.2 F)2021-08-20
Bolsoy SantarRecord high minimum temperature13.6 C (56.5 F)2021-08-28
SangaryRecord high minimum temperature19.5 C (67.1 F)2021-08-10
UchurRecord high maximum temperature32.7 C (90.9 F)2021-08-13
ZavitajaRecord high minimum temperature18.1 C (64.6 F)2021-08-22
OjmjakonRecord high maximum temperature28.2 C (82.8 F)2021-08-10
SusumanRecord high maximum temperature30.3 C (86.5 F)2021-08-11
Veselaja GorkaRecord high minimum temperature16.6 C (61.9 F)2021-08-26
AmgaRecord high maximum temperature32.3 C (90.1 F)2021-08-12
EkimchanRecord high maximum temperature29.7 C (85.5 F)2021-08-20
BurukanRecord high maximum temperature31.4 C (88.5 F)2021-08-20
YugarenokRecord high minimum temperature14.0 C (57.2 F)2021-08-22

Records per Day

Peak day 37
Records per day during Heat wave in Russia and China, 8 to 28 August 2021 Records set or tied each day from 8 August 2021 to 28 August 2021. The most in one day was 37 on 21 August 2021. 0 10 20 30 40 08-0808-1108-1408-1708-2008-2308-26
Records set or tied each day from 8 August 2021 to 28 August 2021. The most in one day was 37 on 21 August 2021.
Records per day during Heat wave in Russia and China, 8 to 28 August 2021
DateRecords
2021-08-081
2021-08-092
2021-08-103
2021-08-119
2021-08-126
2021-08-134
2021-08-142
2021-08-153
2021-08-166
2021-08-171
2021-08-185
2021-08-1912
2021-08-2021
2021-08-2137
2021-08-2236
2021-08-2319
2021-08-2417
2021-08-2514
2021-08-2610
2021-08-272
2021-08-281

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in Russia and China, 8 to 28 August 2021 ranked by margin
Sangary, 08-104.5 C (8.1 F)
Ust-Maja, 08-224.0 C (7.2 F)
Ust-Maja, 08-213.5 C (6.3 F)
Krasnyj Jar, 08-203.2 C (5.8 F)
Ust-Maja, 08-222.7 C (4.9 F)
Tegjultja, 08-202.5 C (4.5 F)
Burukan, 08-202.5 C (4.5 F)
Zavitaja, 08-222.0 C (3.6 F)
Bolsoy Santar, 08-181.9 C (3.4 F)
Ojmjakon, 08-101.7 C (3.1 F)
Veselaja Gorka, 08-261.6 C (2.9 F)
Amga, 08-121.2 C (2.2 F)
Susuman, 08-111.1 C (2.0 F)
Tegjultja, 08-111.1 C (2.0 F)
Yugarenok, 08-221.1 C (2.0 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 China, 8 to 28 August 2021 211 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
211 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 China, 8 to 28 August 2021
Margin (C)Years the old record stood
3.591
2.787
3.272
4.059
2.572
0.476
0.482
4.552
0.482
1.960
2.068
1.772
1.170
1.172
1.667
1.272
0.972
1.170
1.160
2.560
2.160
0.672
0.772
2.460
2.358
0.364
0.170
0.572
0.270
1.266
0.472
0.472
1.360
1.962
0.172
0.160
1.938
2.651
0.668
1.751
3.144
0.862
2.655
1.952
0.860
0.564
1.460
1.160
0.762
0.862
1.948
1.251
2.342
0.360
1.352
1.846
0.160
2.343
0.259
2.243
4.223
1.444
0.843
1.146
0.751
1.843
0.159
2.836
0.255
0.144
0.551
0.746
1.040
1.140
1.547
1.046
2.136
4.714
1.328
1.430
0.732
2.427
0.151
0.843
0.151
0.946
0.446
1.635
0.838
3.130
2.128
0.440
0.144
2.224
3.64
4.76
2.124
1.235
2.224
2.328
2.314
0.543
1.235
0.736
1.228
1.136
0.244
0.240
0.235
0.830
0.935
4.04
0.136
1.230
0.336
0.330
0.234
1.524
0.636
0.130
0.627
2.615
4.32
2.412
0.520
0.531
3.56
0.828
0.432
2.112
1.94
2.114
1.124
1.020
3.10
0.327
0.232
0.128
1.84
1.814
0.315
2.67
1.87
1.414
2.13
0.915
1.910
1.710
2.24
0.812
0.124
0.811
0.58
2.50
0.320
2.73
1.67
1.311
1.54
1.114
1.67
1.47
1.47
1.97
0.111
1.16
0.818
1.96
0.97
0.47
1.312
0.912
1.212
0.212
0.211
1.26
0.412
0.510
0.610
0.114
1.011
0.610
1.63
1.24
1.24
0.410
1.73
0.13
1.14
1.40
1.16
0.64
1.02
1.13
0.112
0.44
0.17
0.37
1.24
1.36

Compared With Other Events

Station records per event
Station records in Heat wave in Russia and China, 8 to 28 August 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 China, 8 to 28 August 2021 (this event)211 records

Every Record Set

20 of 211
Every record set or tied during Heat wave in Russia and China, 8 to 28 August 2021, in date order
DateStationRecordValueMarginYears stoodSignificance
2021-08-10SangaryRecord high minimum temperature19.5 C (67.1 F)4.5 C (8.1 F)5232 of 100 (Routine)
2021-08-10OjmjakonRecord high maximum temperature28.2 C (82.8 F)1.7 C (3.1 F)7231 of 100 (Routine)
2021-08-11SusumanRecord high maximum temperature30.3 C (86.5 F)1.1 C (2.0 F)7031 of 100 (Routine)
2021-08-11TegjultjaRecord high maximum temperature33.3 C (91.9 F)1.1 C (2.0 F)7231 of 100 (Routine)
2021-08-12AmgaRecord high maximum temperature32.3 C (90.1 F)1.2 C (2.2 F)7230 of 100 (Routine)
2021-08-12UchurRecord high maximum temperature32.4 C (90.3 F)0.9 C (1.6 F)7230 of 100 (Routine)
2021-08-13UchurRecord high maximum temperature32.7 C (90.9 F)0.4 C (0.7 F)8232 of 100 (Routine)
2021-08-18Bolsoy SantarRecord high maximum temperature25.8 C (78.4 F)1.9 C (3.4 F)6032 of 100 (Routine)
2021-08-20Krasnyj JarRecord high maximum temperature34.9 C (94.8 F)3.2 C (5.8 F)7237 of 100 (Notable)
2021-08-20TegjultjaRecord high minimum temperature14.0 C (57.2 F)2.5 C (4.5 F)7234 of 100 (Routine)
2021-08-20EkimchanRecord high maximum temperature29.7 C (85.5 F)1.1 C (2.0 F)6030 of 100 (Routine)
2021-08-20BurukanRecord high maximum temperature31.4 C (88.5 F)2.5 C (4.5 F)6030 of 100 (Routine)
2021-08-21Ust-MajaRecord high maximum temperature31.5 C (88.7 F)3.5 C (6.3 F)9143 of 100 (Notable)
2021-08-22Ust-MajaRecord high minimum temperature20.2 C (68.4 F)2.7 C (4.9 F)8742 of 100 (Notable)
2021-08-22Ust-MajaRecord high maximum temperature30.5 C (86.9 F)4.0 C (7.2 F)5934 of 100 (Routine)
2021-08-22ZavitajaRecord high minimum temperature18.1 C (64.6 F)2.0 C (3.6 F)6832 of 100 (Routine)
2021-08-22YugarenokRecord high minimum temperature14.0 C (57.2 F)1.1 C (2.0 F)7030 of 100 (Routine)
2021-08-24Krasnyj JarRecord high maximum temperature34.0 C (93.2 F)0.4 C (0.7 F)8233 of 100 (Routine)
2021-08-26Veselaja GorkaRecord high minimum temperature16.6 C (61.9 F)1.6 C (2.9 F)6731 of 100 (Routine)
2021-08-28Bolsoy SantarRecord high minimum temperature13.6 C (56.5 F)0.4 C (0.7 F)7633 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 211 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.