Heat wave in Russia and 15 other countries, 26 June to 21 July 2020

Name: Heat wave in Russia and 15 other countries, 26 June to 21 July 2020
Start: 2020-06-26
End: 2020-07-21
Location: Russia, Kazakhstan, Ukraine, Turkey, Romania, Azerbaijan, Greece, Georgia, Croatia, China, Slovakia, Belarus, Czech Republic, Italy, Macedonia, Uzbekistan

Heat wave in Russia and 15 other countries, 26 June to 21 July 2020: 435 records at 178 stations, peak on 7 July 2020. Closed.

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

Key Facts

Heat wave in Russia and 15 other countries, 26 June to 21 July 2020 set or tied 435 station records at 178 stations.
It ran from 26 June 2020 to 21 July 2020 (26 days) and its peak day was 7 July 2020.
Status: closed.
Nikolsk set an all-time record high maximum temperature of 37.4 C (99.3 F) on 8 July 2020.
The busiest day was 7 July 2020 with 42 records.
The oldest broken record in the ranked list had stood for 113 years.

Footprint

26 June to 21 July 2020

The area covered by Heat wave in Russia and 15 other countries, 26 June to 21 July 2020 is outlined, with 19 of the stations that set records marked, coloured by record type. Made with Natural Earth.

Footprint of Heat wave in Russia and 15 other countries, 26 June to 21 July 2020: stations that set records in the event
Station	Type	Value	Date
Nikolsk	Record high maximum temperature	37.4 C (99.3 F)	2020-07-08
Rize	Record high minimum temperature	24.1 C (75.4 F)	2020-07-07
Baia Mare	Record high minimum temperature	19.1 C (66.4 F)	2020-07-04
Sucinsk	Record high minimum temperature	22.9 C (73.2 F)	2020-07-18
Tbilisi	Record high maximum temperature	37.5 C (99.5 F)	2020-07-08
Indiga	Record high maximum temperature	31.6 C (88.9 F)	2020-07-09
Tobolsk	Record high maximum temperature	33.6 C (92.5 F)	2020-07-15
Sorocinsk	Record high maximum temperature	40.8 C (105.4 F)	2020-07-15
Turnu Magurele	Record high minimum temperature	19.2 C (66.6 F)	2020-06-30
Atyrau	Record high minimum temperature	27.3 C (81.1 F)	2020-07-13
Uralsk	Record high minimum temperature	22.7 C (72.9 F)	2020-07-14
Kokshetay	Record high minimum temperature	23.3 C (73.9 F)	2020-07-18
Volshskiy Gmo	Record high maximum temperature	41.3 C (106.3 F)	2020-07-08
Orenburg	Record high maximum temperature	40.2 C (104.4 F)	2020-07-15
Gari	Record high minimum temperature	23.2 C (73.8 F)	2020-07-16
Leusi	Record high maximum temperature	33.9 C (93.0 F)	2020-07-09
Kustanai	Record high minimum temperature	21.9 C (71.4 F)	2020-07-18
Voronez	Record high maximum temperature	38.8 C (101.8 F)	2020-07-07
Valujki	Record high maximum temperature	37.0 C (98.6 F)	2020-07-07

Records per Day

Peak day 42

Records set or tied each day from 26 June 2020 to 21 July 2020. The most in one day was 42 on 7 July 2020.

Records per day during Heat wave in Russia and 15 other countries, 26 June to 21 July 2020
Date	Records
2020-06-26	2
2020-06-28	1
2020-06-29	3
2020-06-30	4
2020-07-01	4
2020-07-02	9
2020-07-03	19
2020-07-04	21
2020-07-05	21
2020-07-06	29
2020-07-07	42
2020-07-08	35
2020-07-09	23
2020-07-10	17
2020-07-11	10
2020-07-12	14
2020-07-13	15
2020-07-14	24
2020-07-15	39
2020-07-16	27
2020-07-17	30
2020-07-18	27
2020-07-19	12
2020-07-20	5
2020-07-21	2

Top Records by Margin

Margin over the record replaced

Top records of Heat wave in Russia and 15 other countries, 26 June to 21 July 2020 ranked by margin
Kokshetay, 07-18	4.4 C (7.9 F)
Voronez, 07-07	3.4 C (6.1 F)
Volshskiy Gmo, 07-08	3.2 C (5.8 F)
Leusi, 07-09	2.8 C (5.0 F)
Rize, 07-07	2.5 C (4.5 F)
Orenburg, 07-15	2.5 C (4.5 F)
Valujki, 07-07	2.4 C (4.3 F)
Sucinsk, 07-18	1.9 C (3.4 F)
Atyrau, 07-14	1.8 C (3.2 F)
Tobolsk, 07-15	1.6 C (2.9 F)
Baia Mare, 07-04	1.1 C (2.0 F)
Sorocinsk, 07-15	1.1 C (2.0 F)
Tbilisi, 07-08	1.0 C (1.8 F)
Turnu Magurele, 06-30	1.0 C (1.8 F)
Nikolsk, 07-08	0.7 C (1.3 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

435 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 15 other countries, 26 June to 21 July 2020
Margin (C)	Years the old record stood
0.7	82
2.5	81
1.9	43
1.1	109
1.0	113
0.3	45
1.6	99
1.1	48
4.4	67
0.5	110
0.5	113
1.0	96
3.2	82
0.2	46
2.5	80
0.7	89
1.8	10
2.8	80
3.4	66
2.4	82
0.9	80
3.4	66
1.5	82
1.5	80
2.0	80
1.4	81
2.9	63
2.1	71
1.4	80
0.6	80
0.9	80
1.3	80
1.0	80
0.3	84
1.8	70
0.7	78
1.7	75
0.7	82
0.7	19
1.6	14
0.1	33
1.2	80
0.3	82
1.9	71
1.4	71
1.2	77
0.9	80
1.0	73
0.3	84
0.7	80
0.5	80
0.6	73
1.3	62
0.1	80
0.2	80
0.4	80
4.6	52
1.6	61
0.3	71
0.4	17
1.1	66
1.6	66
1.8	67
2.1	50
0.3	67
2.9	50
1.3	65
2.1	66
0.5	73
0.6	70
1.5	67
0.2	9
1.5	58
3.0	41
3.3	50
1.5	63
1.0	67
1.1	58
1.3	51
0.4	66
1.4	0
2.1	58
2.9	50
2.9	50
0.1	70
0.3	73
1.2	66
0.2	66
2.7	50
1.0	66
2.5	50
3.5	29
0.2	58
1.7	56
1.4	61
2.1	45
0.5	54
0.3	66
0.1	65
3.8	37
3.8	33
2.2	37
0.8	48
4.0	36
1.4	58
1.6	50
0.1	52
0.8	48
0.3	25
0.1	58
3.5	37
3.7	32
2.3	32
1.9	50
1.3	45
2.1	43
0.6	25
1.5	46
2.8	40
0.1	58
0.1	55
1.2	48
0.2	55
1.7	37
1.5	50
0.6	58
0.5	55
0.7	50
2.6	37
2.8	31
4.1	24
2.3	33
0.2	58
1.7	38
0.4	56
1.6	48
1.4	37
0.4	43
0.4	50
0.6	50
0.7	46
4.4	21
1.8	36
1.3	47
0.1	40
0.5	37
2.0	40
0.1	21
0.8	48
0.9	46
3.7	27
1.0	48
2.1	30
0.6	50
0.3	50
1.5	24
1.2	34
1.0	39
2.0	36
0.8	47
4.3	12
1.0	43
1.3	27
1.5	38
2.1	30
2.0	32
1.2	39
1.8	32
0.5	38
1.4	32
5.5	7
1.7	37
0.8	32
2.0	32
1.8	32
2.7	11
1.2	37
0.1	37
0.1	34
2.9	28
1.4	32
1.4	38
0.7	38
4.0	16
2.4	32
1.7	32
4.3	9
1.2	37
1.2	32
0.3	32
1.1	24
0.9	32
0.8	31
1.4	31
1.2	27
0.6	39
0.5	9
0.1	37
1.5	25
0.9	33

Compared With Other Events

Station records per event

Station records in Heat wave in Russia and 15 other countries, 26 June to 21 July 2020 compared with similar events
Heat wave in United States and Mexico, 16 January to 14 February 2024	9,869 records
Heat wave in United States, 28 January to 24 February 2026	6,528 records
Heat wave in United States and Mexico, 24 May to 19 June 2020	5,047 records
Heat wave in United States and Mexico, 26 March to 17 April 2021	3,669 records
Heat wave in Germany and 49 other countries, 18 December 2021 to 15 January 2022	3,626 records
Heat wave in Russia and 15 other countries, 26 June to 21 July 2020 (this event)	435 records

Every Record Set

20 of 435

Every record set or tied during Heat wave in Russia and 15 other countries, 26 June to 21 July 2020, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2020-06-30	Turnu Magurele	Record high minimum temperature	19.2 C (66.6 F)	1.0 C (1.8 F)	96	41 of 100 (Notable)
2020-07-04	Baia Mare	Record high minimum temperature	19.1 C (66.4 F)	1.1 C (2.0 F)	109	43 of 100 (Notable)
2020-07-07	Rize	Record high minimum temperature	24.1 C (75.4 F)	2.5 C (4.5 F)	81	45 of 100 (Notable)
2020-07-07	Voronez	Record high maximum temperature	38.8 C (101.8 F)	3.4 C (6.1 F)	66	37 of 100 (Notable)
2020-07-07	Valujki	Record high maximum temperature	37.0 C (98.6 F)	2.4 C (4.3 F)	82	37 of 100 (Notable)
2020-07-08	Nikolsk	Record high maximum temperature	37.4 C (99.3 F)	0.7 C (1.3 F)	82	53 of 100 (Notable)
2020-07-08	Tbilisi	Record high maximum temperature	37.5 C (99.5 F)	1.0 C (1.8 F)	113	42 of 100 (Notable)
2020-07-08	Volshskiy Gmo	Record high maximum temperature	41.3 C (106.3 F)	3.2 C (5.8 F)	82	40 of 100 (Notable)
2020-07-09	Indiga	Record high maximum temperature	31.6 C (88.9 F)	0.3 C (0.5 F)	45	42 of 100 (Notable)
2020-07-09	Leusi	Record high maximum temperature	33.9 C (93.0 F)	2.8 C (5.0 F)	80	38 of 100 (Notable)
2020-07-13	Atyrau	Record high minimum temperature	27.3 C (81.1 F)	0.5 C (0.9 F)	113	41 of 100 (Notable)
2020-07-14	Uralsk	Record high minimum temperature	22.7 C (72.9 F)	0.5 C (0.9 F)	110	41 of 100 (Notable)
2020-07-14	Atyrau	Record high minimum temperature	30.9 C (87.6 F)	1.8 C (3.2 F)	10	38 of 100 (Notable)
2020-07-15	Tobolsk	Record high maximum temperature	33.6 C (92.5 F)	1.6 C (2.9 F)	99	42 of 100 (Notable)
2020-07-15	Sorocinsk	Record high maximum temperature	40.8 C (105.4 F)	1.1 C (2.0 F)	48	42 of 100 (Notable)
2020-07-15	Orenburg	Record high maximum temperature	40.2 C (104.4 F)	2.5 C (4.5 F)	80	39 of 100 (Notable)
2020-07-16	Gari	Record high minimum temperature	23.2 C (73.8 F)	0.2 C (0.4 F)	46	39 of 100 (Notable)
2020-07-18	Sucinsk	Record high minimum temperature	22.9 C (73.2 F)	1.9 C (3.4 F)	43	43 of 100 (Notable)
2020-07-18	Kokshetay	Record high minimum temperature	23.3 C (73.9 F)	4.4 C (7.9 F)	67	41 of 100 (Notable)
2020-07-18	Kustanai	Record high minimum temperature	21.9 C (71.4 F)	0.7 C (1.3 F)	89	38 of 100 (Notable)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 435 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.

Margin (C)	Years the old record stood
0.7	82
2.5	81
1.9	43
1.1	109
1.0	113
0.3	45
1.6	99
1.1	48
4.4	67
0.5	110
0.5	113
1.0	96
3.2	82
0.2	46
2.5	80
0.7	89
1.8	10
2.8	80
3.4	66
2.4	82
0.9	80
3.4	66
1.5	82
1.5	80
2.0	80
1.4	81
2.9	63
2.1	71
1.4	80
0.6	80
0.9	80
1.3	80
1.0	80
0.3	84
1.8	70
0.7	78
1.7	75
0.7	82
0.7	19
1.6	14
0.1	33
1.2	80
0.3	82
1.9	71
1.4	71
1.2	77
0.9	80
1.0	73
0.3	84
0.7	80
0.5	80
0.6	73
1.3	62
0.1	80
0.2	80
0.4	80
4.6	52
1.6	61
0.3	71
0.4	17
1.1	66
1.6	66
1.8	67
2.1	50
0.3	67
2.9	50
1.3	65
2.1	66
0.5	73
0.6	70
1.5	67
0.2	9
1.5	58
3.0	41
3.3	50
1.5	63
1.0	67
1.1	58
1.3	51
0.4	66
1.4	0
2.1	58
2.9	50
2.9	50
0.1	70
0.3	73
1.2	66
0.2	66
2.7	50
1.0	66
2.5	50
3.5	29
0.2	58
1.7	56
1.4	61
2.1	45
0.5	54
0.3	66
0.1	65
3.8	37
3.8	33
2.2	37
0.8	48
4.0	36
1.4	58
1.6	50
0.1	52
0.8	48
0.3	25
0.1	58
3.5	37
3.7	32
2.3	32
1.9	50
1.3	45
2.1	43
0.6	25
1.5	46
2.8	40
0.1	58
0.1	55
1.2	48
0.2	55
1.7	37
1.5	50
0.6	58
0.5	55
0.7	50
2.6	37
2.8	31
4.1	24
2.3	33
0.2	58
1.7	38
0.4	56
1.6	48
1.4	37
0.4	43
0.4	50
0.6	50
0.7	46
4.4	21
1.8	36
1.3	47
0.1	40
0.5	37
2.0	40
0.1	21
0.8	48
0.9	46
3.7	27
1.0	48
2.1	30
0.6	50
0.3	50
1.5	24
1.2	34
1.0	39
2.0	36
0.8	47
4.3	12
1.0	43
1.3	27
1.5	38
2.1	30
2.0	32
1.2	39
1.8	32
0.5	38
1.4	32
5.5	7
1.7	37
0.8	32
2.0	32
1.8	32
2.7	11
1.2	37
0.1	37
0.1	34
2.9	28
1.4	32
1.4	38
0.7	38
4.0	16
2.4	32
1.7	32
4.3	9
1.2	37
1.2	32
0.3	32
1.1	24
0.9	32
0.8	31
1.4	31
1.2	27
0.6	39
0.5	9
0.1	37
1.5	25
0.9	33

Margin (C)	Years the old record stood
0.7	82
2.5	81
1.9	43
1.1	109
1.0	113
0.3	45
1.6	99
1.1	48
4.4	67
0.5	110
0.5	113
1.0	96
3.2	82
0.2	46
2.5	80
0.7	89
1.8	10
2.8	80
3.4	66
2.4	82
0.9	80
3.4	66
1.5	82
1.5	80
2.0	80
1.4	81
2.9	63
2.1	71
1.4	80
0.6	80
0.9	80
1.3	80
1.0	80
0.3	84
1.8	70
0.7	78
1.7	75
0.7	82
0.7	19
1.6	14
0.1	33
1.2	80
0.3	82
1.9	71
1.4	71
1.2	77
0.9	80
1.0	73
0.3	84
0.7	80
0.5	80
0.6	73
1.3	62
0.1	80
0.2	80
0.4	80
4.6	52
1.6	61
0.3	71
0.4	17
1.1	66
1.6	66
1.8	67
2.1	50
0.3	67
2.9	50
1.3	65
2.1	66
0.5	73
0.6	70
1.5	67
0.2	9
1.5	58
3.0	41
3.3	50
1.5	63
1.0	67
1.1	58
1.3	51
0.4	66
1.4	0
2.1	58
2.9	50
2.9	50
0.1	70
0.3	73
1.2	66
0.2	66
2.7	50
1.0	66
2.5	50
3.5	29
0.2	58
1.7	56
1.4	61
2.1	45
0.5	54
0.3	66
0.1	65
3.8	37
3.8	33
2.2	37
0.8	48
4.0	36
1.4	58
1.6	50
0.1	52
0.8	48
0.3	25
0.1	58
3.5	37
3.7	32
2.3	32
1.9	50
1.3	45
2.1	43
0.6	25
1.5	46
2.8	40
0.1	58
0.1	55
1.2	48
0.2	55
1.7	37
1.5	50
0.6	58
0.5	55
0.7	50
2.6	37
2.8	31
4.1	24
2.3	33
0.2	58
1.7	38
0.4	56
1.6	48
1.4	37
0.4	43
0.4	50
0.6	50
0.7	46
4.4	21
1.8	36
1.3	47
0.1	40
0.5	37
2.0	40
0.1	21
0.8	48
0.9	46
3.7	27
1.0	48
2.1	30
0.6	50
0.3	50
1.5	24
1.2	34
1.0	39
2.0	36
0.8	47
4.3	12
1.0	43
1.3	27
1.5	38
2.1	30
2.0	32
1.2	39
1.8	32
0.5	38
1.4	32
5.5	7
1.7	37
0.8	32
2.0	32
1.8	32
2.7	11
1.2	37
0.1	37
0.1	34
2.9	28
1.4	32
1.4	38
0.7	38
4.0	16
2.4	32
1.7	32
4.3	9
1.2	37
1.2	32
0.3	32
1.1	24
0.9	32
0.8	31
1.4	31
1.2	27
0.6	39
0.5	9
0.1	37
1.5	25
0.9	33