Heat wave in Russia and 9 other countries, 5 to 20 June 2020

Name: Heat wave in Russia and 9 other countries, 5 to 20 June 2020
Start: 2020-06-05
End: 2020-06-20
Location: Russia, Ukraine, Belarus, Azerbaijan, Romania, Georgia, Armenia, Hungary, Latvia, Serbia

Heat wave in Russia and 9 other countries, 5 to 20 June 2020: 259 records at 113 stations, peak on 10 June 2020. Closed.

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

Key Facts

Heat wave in Russia and 9 other countries, 5 to 20 June 2020 set or tied 259 station records at 113 stations.
It ran from 5 June 2020 to 20 June 2020 (16 days) and its peak day was 10 June 2020.
Status: closed.
Velikie Luki set a daily record high maximum temperature of 33.6 C (92.5 F) on 10 June 2020.
The busiest day was 10 June 2020 with 52 records.
The oldest broken record in the ranked list had stood for 134 years.

Footprint

5 to 20 June 2020

The area covered by Heat wave in Russia and 9 other countries, 5 to 20 June 2020 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 9 other countries, 5 to 20 June 2020: stations that set records in the event
Station	Type	Value	Date
Velikie Luki	Record high maximum temperature	33.6 C (92.5 F)	2020-06-10
Simferopol	Record high maximum temperature	34.4 C (93.9 F)	2020-06-08
Surgut	Record high minimum temperature	18.9 C (66.0 F)	2020-06-11
Bogoroditskoye-Fenino	Record high minimum temperature	20.6 C (69.1 F)	2020-06-12
Ganca	Record high maximum temperature	35.8 C (96.4 F)	2020-06-13
Cherdyn'	Record high minimum temperature	19.1 C (66.4 F)	2020-06-09
Poltava	Record high minimum temperature	19.7 C (67.5 F)	2020-06-11
Baia Mare	Record high minimum temperature	18.4 C (65.1 F)	2020-06-15
Zhytomyr	Record high maximum temperature	33.2 C (91.8 F)	2020-06-12
Shenkursk	Record high minimum temperature	18.9 C (66.0 F)	2020-06-09
Ust Tzilma	Record high minimum temperature	17.0 C (62.6 F)	2020-06-09
Valujki	Record high minimum temperature	22.0 C (71.6 F)	2020-06-12
Umba	Record high minimum temperature	13.5 C (56.3 F)	2020-06-08
Vinnytsia	Record high maximum temperature	31.9 C (89.4 F)	2020-06-12
Njaksimvol	Record high maximum temperature	31.2 C (88.2 F)	2020-06-08
Krasnaja_Gora	Record high minimum temperature	16.7 C (62.1 F)	2020-06-09

Records per Day

Peak day 52

Records set or tied each day from 5 June 2020 to 20 June 2020. The most in one day was 52 on 10 June 2020.

Records per day during Heat wave in Russia and 9 other countries, 5 to 20 June 2020
Date	Records
2020-06-05	3
2020-06-06	11
2020-06-07	10
2020-06-08	33
2020-06-09	48
2020-06-10	52
2020-06-11	44
2020-06-12	19
2020-06-13	17
2020-06-14	3
2020-06-15	9
2020-06-16	5
2020-06-17	3
2020-06-18	1
2020-06-20	1

Top Records by Margin

Margin over the record replaced

Top records of Heat wave in Russia and 9 other countries, 5 to 20 June 2020 ranked by margin
Velikie Luki, 06-10	3.8 C (6.8 F)
Surgut, 06-11	2.4 C (4.3 F)
Valujki, 06-12	2.4 C (4.3 F)
Ganca, 06-16	2.1 C (3.8 F)
Bogoroditskoye-Fenino, 06-12	1.7 C (3.1 F)
Njaksimvol, 06-08	1.7 C (3.1 F)
Simferopol, 06-08	1.4 C (2.5 F)
Shenkursk, 06-09	1.2 C (2.2 F)
Ganca, 06-13	1.1 C (2.0 F)
Ust Tzilma, 06-09	1.1 C (2.0 F)
Umba, 06-08	1.1 C (2.0 F)
Simferopol, 06-07	0.8 C (1.4 F)
Vinnytsia, 06-12	0.5 C (0.9 F)
Krasnaja_Gora, 06-09	0.5 C (0.9 F)
Baia Mare, 06-15	0.4 C (0.7 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

259 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 9 other countries, 5 to 20 June 2020
Margin (C)	Years the old record stood
3.8	134
2.4	99
1.4	120
1.1	122
1.7	96
0.1	100
0.8	96
0.3	94
0.4	90
0.3	96
0.4	68
2.1	69
1.2	72
1.1	72
2.4	61
1.1	72
0.2	72
0.5	74
1.7	67
0.5	64
1.0	69
0.5	65
3.1	43
0.9	60
2.4	43
0.6	32
1.1	59
2.1	45
0.1	64
2.1	34
1.5	49
1.7	47
1.9	47
1.8	47
2.3	39
0.9	39
2.3	43
2.3	43
3.3	31
1.1	43
1.9	40
0.3	53
0.9	47
1.8	43
1.6	39
0.7	48
4.2	9
3.7	31
5.2	27
3.6	31
0.3	49
0.5	39
3.3	22
2.1	34
2.0	24
1.9	34
0.4	35
3.1	29
1.9	43
0.9	40
1.4	34
1.1	41
0.8	39
0.8	42
1.1	39
1.1	39
2.9	27
1.3	34
2.9	29
2.6	31
0.9	40
0.1	39
2.6	31
0.1	39
1.1	39
1.1	39
3.4	9
0.8	39
0.4	9
0.6	31
1.0	34
0.1	31
1.6	31
2.7	29
0.9	36
0.3	37
1.5	21
0.8	34
0.8	34
0.8	34
0.7	39
0.6	34
0.9	37
0.9	30
2.2	1
2.6	22
1.7	24
0.4	39
1.0	21
1.4	27
0.9	31
0.1	39
0.4	43
0.2	36
0.6	31
1.3	20
0.5	32
1.8	20
0.3	34
0.7	27
1.8	27
0.5	29
2.1	27
0.3	39
0.4	31
0.3	1
1.1	21
0.2	37
0.2	34
0.4	31
0.8	31
0.7	26
0.8	21
0.8	31
0.1	36
0.2	34
2.2	11
0.6	26
1.5	14
0.2	22
1.6	21
0.8	24
0.9	22
1.4	21
1.3	8
1.4	20
1.2	29
1.0	29
0.7	21
0.9	21
1.1	22
2.2	11
1.6	10
0.1	31
1.7	21
1.2	22
1.0	22
0.5	10
0.4	10
0.7	22
0.3	29
0.1	23
1.2	22
0.2	21
0.4	21
0.7	21
0.1	22
1.2	17
0.3	24
0.8	21
0.6	21
1.5	6
1.9	1
1.4	11
1.5	10
1.1	22
0.9	17
0.4	22
0.3	24
1.1	9
2.5	9
2.0	8
0.5	26
1.3	1
2.8	1
1.2	11
0.5	20
2.3	1
1.3	11
0.1	22
0.4	17
0.1	24
1.4	11
0.3	11
0.2	19
0.7	2
1.3	10
0.1	22
0.2	21
1.3	1
1.7	3
2.9	5
0.5	19
1.8	9
1.7	15
0.5	23
0.9	11
0.1	21
1.0	10
0.5	10

Compared With Other Events

Station records per event

Station records in Heat wave in Russia and 9 other countries, 5 to 20 June 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 9 other countries, 5 to 20 June 2020 (this event)	259 records

Every Record Set

20 of 259

Every record set or tied during Heat wave in Russia and 9 other countries, 5 to 20 June 2020, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2020-06-07	Simferopol	Record high maximum temperature	32.3 C (90.1 F)	0.8 C (1.4 F)	96	40 of 100 (Notable)
2020-06-08	Simferopol	Record high maximum temperature	34.4 C (93.9 F)	1.4 C (2.5 F)	120	43 of 100 (Notable)
2020-06-08	Umba	Record high minimum temperature	13.5 C (56.3 F)	1.1 C (2.0 F)	72	31 of 100 (Routine)
2020-06-08	Velikie Luki	Record high maximum temperature	31.4 C (88.5 F)	0.2 C (0.4 F)	72	31 of 100 (Routine)
2020-06-08	Njaksimvol	Record high maximum temperature	31.2 C (88.2 F)	1.7 C (3.1 F)	67	30 of 100 (Routine)
2020-06-09	Cherdyn'	Record high minimum temperature	19.1 C (66.4 F)	0.1 C (0.2 F)	100	40 of 100 (Notable)
2020-06-09	Shenkursk	Record high minimum temperature	18.9 C (66.0 F)	1.2 C (2.2 F)	72	33 of 100 (Routine)
2020-06-09	Ust Tzilma	Record high minimum temperature	17.0 C (62.6 F)	1.1 C (2.0 F)	72	33 of 100 (Routine)
2020-06-09	Krasnaja_Gora	Record high minimum temperature	16.7 C (62.1 F)	0.5 C (0.9 F)	64	29 of 100 (Routine)
2020-06-10	Velikie Luki	Record high maximum temperature	33.6 C (92.5 F)	3.8 C (6.8 F)	134	48 of 100 (Notable)
2020-06-11	Surgut	Record high minimum temperature	18.9 C (66.0 F)	2.4 C (4.3 F)	99	43 of 100 (Notable)
2020-06-11	Poltava	Record high minimum temperature	19.7 C (67.5 F)	0.3 C (0.5 F)	96	38 of 100 (Notable)
2020-06-12	Bogoroditskoye-Fenino	Record high minimum temperature	20.6 C (69.1 F)	1.7 C (3.1 F)	96	42 of 100 (Notable)
2020-06-12	Zhytomyr	Record high maximum temperature	33.2 C (91.8 F)	0.4 C (0.7 F)	68	37 of 100 (Notable)
2020-06-12	Valujki	Record high minimum temperature	22.0 C (71.6 F)	2.4 C (4.3 F)	61	32 of 100 (Routine)
2020-06-12	Vinnytsia	Record high maximum temperature	31.9 C (89.4 F)	0.5 C (0.9 F)	74	31 of 100 (Routine)
2020-06-13	Ganca	Record high maximum temperature	35.8 C (96.4 F)	1.1 C (2.0 F)	122	42 of 100 (Notable)
2020-06-15	Baia Mare	Record high minimum temperature	18.4 C (65.1 F)	0.4 C (0.7 F)	90	38 of 100 (Notable)
2020-06-16	Ganca	Record high maximum temperature	37.8 C (100.0 F)	2.1 C (3.8 F)	69	35 of 100 (Notable)
2020-06-17	Ganca	Record high maximum temperature	37.3 C (99.1 F)	0.3 C (0.5 F)	94	38 of 100 (Notable)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 259 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
3.8	134
2.4	99
1.4	120
1.1	122
1.7	96
0.1	100
0.8	96
0.3	94
0.4	90
0.3	96
0.4	68
2.1	69
1.2	72
1.1	72
2.4	61
1.1	72
0.2	72
0.5	74
1.7	67
0.5	64
1.0	69
0.5	65
3.1	43
0.9	60
2.4	43
0.6	32
1.1	59
2.1	45
0.1	64
2.1	34
1.5	49
1.7	47
1.9	47
1.8	47
2.3	39
0.9	39
2.3	43
2.3	43
3.3	31
1.1	43
1.9	40
0.3	53
0.9	47
1.8	43
1.6	39
0.7	48
4.2	9
3.7	31
5.2	27
3.6	31
0.3	49
0.5	39
3.3	22
2.1	34
2.0	24
1.9	34
0.4	35
3.1	29
1.9	43
0.9	40
1.4	34
1.1	41
0.8	39
0.8	42
1.1	39
1.1	39
2.9	27
1.3	34
2.9	29
2.6	31
0.9	40
0.1	39
2.6	31
0.1	39
1.1	39
1.1	39
3.4	9
0.8	39
0.4	9
0.6	31
1.0	34
0.1	31
1.6	31
2.7	29
0.9	36
0.3	37
1.5	21
0.8	34
0.8	34
0.8	34
0.7	39
0.6	34
0.9	37
0.9	30
2.2	1
2.6	22
1.7	24
0.4	39
1.0	21
1.4	27
0.9	31
0.1	39
0.4	43
0.2	36
0.6	31
1.3	20
0.5	32
1.8	20
0.3	34
0.7	27
1.8	27
0.5	29
2.1	27
0.3	39
0.4	31
0.3	1
1.1	21
0.2	37
0.2	34
0.4	31
0.8	31
0.7	26
0.8	21
0.8	31
0.1	36
0.2	34
2.2	11
0.6	26
1.5	14
0.2	22
1.6	21
0.8	24
0.9	22
1.4	21
1.3	8
1.4	20
1.2	29
1.0	29
0.7	21
0.9	21
1.1	22
2.2	11
1.6	10
0.1	31
1.7	21
1.2	22
1.0	22
0.5	10
0.4	10
0.7	22
0.3	29
0.1	23
1.2	22
0.2	21
0.4	21
0.7	21
0.1	22
1.2	17
0.3	24
0.8	21
0.6	21
1.5	6
1.9	1
1.4	11
1.5	10
1.1	22
0.9	17
0.4	22
0.3	24
1.1	9
2.5	9
2.0	8
0.5	26
1.3	1
2.8	1
1.2	11
0.5	20
2.3	1
1.3	11
0.1	22
0.4	17
0.1	24
1.4	11
0.3	11
0.2	19
0.7	2
1.3	10
0.1	22
0.2	21
1.3	1
1.7	3
2.9	5
0.5	19
1.8	9
1.7	15
0.5	23
0.9	11
0.1	21
1.0	10
0.5	10

Margin (C)	Years the old record stood
3.8	134
2.4	99
1.4	120
1.1	122
1.7	96
0.1	100
0.8	96
0.3	94
0.4	90
0.3	96
0.4	68
2.1	69
1.2	72
1.1	72
2.4	61
1.1	72
0.2	72
0.5	74
1.7	67
0.5	64
1.0	69
0.5	65
3.1	43
0.9	60
2.4	43
0.6	32
1.1	59
2.1	45
0.1	64
2.1	34
1.5	49
1.7	47
1.9	47
1.8	47
2.3	39
0.9	39
2.3	43
2.3	43
3.3	31
1.1	43
1.9	40
0.3	53
0.9	47
1.8	43
1.6	39
0.7	48
4.2	9
3.7	31
5.2	27
3.6	31
0.3	49
0.5	39
3.3	22
2.1	34
2.0	24
1.9	34
0.4	35
3.1	29
1.9	43
0.9	40
1.4	34
1.1	41
0.8	39
0.8	42
1.1	39
1.1	39
2.9	27
1.3	34
2.9	29
2.6	31
0.9	40
0.1	39
2.6	31
0.1	39
1.1	39
1.1	39
3.4	9
0.8	39
0.4	9
0.6	31
1.0	34
0.1	31
1.6	31
2.7	29
0.9	36
0.3	37
1.5	21
0.8	34
0.8	34
0.8	34
0.7	39
0.6	34
0.9	37
0.9	30
2.2	1
2.6	22
1.7	24
0.4	39
1.0	21
1.4	27
0.9	31
0.1	39
0.4	43
0.2	36
0.6	31
1.3	20
0.5	32
1.8	20
0.3	34
0.7	27
1.8	27
0.5	29
2.1	27
0.3	39
0.4	31
0.3	1
1.1	21
0.2	37
0.2	34
0.4	31
0.8	31
0.7	26
0.8	21
0.8	31
0.1	36
0.2	34
2.2	11
0.6	26
1.5	14
0.2	22
1.6	21
0.8	24
0.9	22
1.4	21
1.3	8
1.4	20
1.2	29
1.0	29
0.7	21
0.9	21
1.1	22
2.2	11
1.6	10
0.1	31
1.7	21
1.2	22
1.0	22
0.5	10
0.4	10
0.7	22
0.3	29
0.1	23
1.2	22
0.2	21
0.4	21
0.7	21
0.1	22
1.2	17
0.3	24
0.8	21
0.6	21
1.5	6
1.9	1
1.4	11
1.5	10
1.1	22
0.9	17
0.4	22
0.3	24
1.1	9
2.5	9
2.0	8
0.5	26
1.3	1
2.8	1
1.2	11
0.5	20
2.3	1
1.3	11
0.1	22
0.4	17
0.1	24
1.4	11
0.3	11
0.2	19
0.7	2
1.3	10
0.1	22
0.2	21
1.3	1
1.7	3
2.9	5
0.5	19
1.8	9
1.7	15
0.5	23
0.9	11
0.1	21
1.0	10
0.5	10