Heat wave in Russia and 3 other countries, 15 June to 3 July 2018

Name: Heat wave in Russia and 3 other countries, 15 June to 3 July 2018
Start: 2018-06-15
End: 2018-07-03
Location: Russia, Mongolia, China, Kazakhstan

Heat wave in Russia and 3 other countries, 15 June to 3 July 2018: 292 records at 121 stations, peak on 27 June 2018. Closed.

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

Key Facts

Heat wave in Russia and 3 other countries, 15 June to 3 July 2018 set or tied 292 station records at 121 stations.
It ran from 15 June 2018 to 3 July 2018 (19 days) and its peak day was 27 June 2018.
Status: closed.
Achinsk set a daily record high maximum temperature of 34.1 C (93.4 F) on 26 June 2018.
The busiest day was 27 June 2018 with 66 records.
The oldest broken record in the ranked list had stood for 129 years.

Footprint

15 June to 3 July 2018

The area covered by Heat wave in Russia and 3 other countries, 15 June to 3 July 2018 is outlined, with 15 of the stations that set records marked, coloured by record type. Made with Natural Earth.

Footprint of Heat wave in Russia and 3 other countries, 15 June to 3 July 2018: stations that set records in the event
Station	Type	Value	Date
Achinsk	Record high maximum temperature	34.1 C (93.4 F)	2018-06-26
Pervomajskoe	Record high minimum temperature	21.5 C (70.7 F)	2018-06-28
Irkutsk	Record high minimum temperature	19.9 C (67.8 F)	2018-06-30
Bratsk	Record high minimum temperature	18.8 C (65.8 F)	2018-06-28
Enisejsk	Record high minimum temperature	18.4 C (65.1 F)	2018-06-28
Nenastnaja	Record high minimum temperature	18.7 C (65.7 F)	2018-06-26
Bolshoe Goloustnoe	Record high maximum temperature	30.0 C (86.0 F)	2018-06-28
Tomsk	Record high minimum temperature	21.3 C (70.3 F)	2018-06-23
Tura	Record high maximum temperature	32.7 C (90.9 F)	2018-06-25
Olenja Rechka	Record high minimum temperature	14.6 C (58.3 F)	2018-06-28
Kjahta	Record high minimum temperature	19.2 C (66.6 F)	2018-06-30
Aleksandrovskoe	Record high minimum temperature	21.1 C (70.0 F)	2018-06-28
Tazovskoe	Record high minimum temperature	15.8 C (60.4 F)	2018-06-18
Soljanka	Record high maximum temperature	33.9 C (93.0 F)	2018-06-28
Krasnojarsk	Record high minimum temperature	20.0 C (68.0 F)	2018-06-29

Records per Day

Peak day 66

Records set or tied each day from 15 June 2018 to 3 July 2018. The most in one day was 66 on 27 June 2018.

Records per day during Heat wave in Russia and 3 other countries, 15 June to 3 July 2018
Date	Records
2018-06-15	3
2018-06-16	4
2018-06-17	2
2018-06-18	2
2018-06-19	1
2018-06-20	4
2018-06-21	1
2018-06-22	1
2018-06-23	16
2018-06-24	11
2018-06-25	20
2018-06-26	39
2018-06-27	66
2018-06-28	49
2018-06-29	35
2018-06-30	13
2018-07-01	15
2018-07-02	6
2018-07-03	4

Top Records by Margin

Margin over the record replaced

Top records of Heat wave in Russia and 3 other countries, 15 June to 3 July 2018 ranked by margin
Irkutsk, 06-30	3.6 C (6.5 F)
Bolshoe Goloustnoe, 06-28	3.1 C (5.6 F)
Enisejsk, 06-27	3.0 C (5.4 F)
Olenja Rechka, 06-28	2.9 C (5.2 F)
Kjahta, 06-30	2.6 C (4.7 F)
Achinsk, 06-26	2.5 C (4.5 F)
Soljanka, 06-28	2.3 C (4.1 F)
Tazovskoe, 06-18	2.1 C (3.8 F)
Aleksandrovskoe, 06-28	2.0 C (3.6 F)
Achinsk, 06-28	1.0 C (1.8 F)
Olenja Rechka, 06-26	1.0 C (1.8 F)
Achinsk, 06-23	0.9 C (1.6 F)
Nenastnaja, 06-26	0.9 C (1.6 F)
Tomsk, 06-23	0.9 C (1.6 F)
Pervomajskoe, 06-28	0.8 C (1.4 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

292 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 3 other countries, 15 June to 3 July 2018
Margin (C)	Years the old record stood
2.5	117
0.8	75
1.0	117
0.9	108
3.6	79
0.6	112
0.2	109
0.4	129
0.9	65
3.1	75
0.9	50
0.5	88
2.9	68
2.6	64
2.0	73
1.0	84
2.3	68
2.1	68
3.0	59
0.2	75
1.7	64
0.2	73
2.7	59
2.7	57
0.1	73
0.4	40
1.6	68
0.2	75
0.3	75
0.8	43
2.8	55
1.1	68
0.8	57
2.1	64
0.3	41
0.2	43
0.8	64
2.2	47
0.2	56
1.5	48
3.7	48
1.4	56
3.6	44
2.1	57
1.8	57
2.2	44
0.2	64
0.7	59
2.9	35
0.7	48
3.2	48
2.8	44
2.3	44
1.2	47
4.5	35
2.4	48
2.8	47
3.9	39
3.9	39
0.3	55
1.8	44
2.0	44
1.5	48
4.4	33
0.2	63
2.4	48
1.8	39
1.4	48
3.2	39
0.6	44
1.2	40
1.9	47
1.8	44
0.9	48
2.0	45
0.6	48
2.2	48
0.7	48
1.0	44
1.6	39
1.6	48
1.6	47
0.1	17
2.4	39
2.9	32
2.8	39
2.8	33
1.4	45
2.8	32
2.2	44
1.6	47
2.1	44
2.5	39
1.1	39
4.7	25
0.3	47
0.5	48
1.3	44
2.2	33
0.1	45
0.7	44
0.6	48
0.8	47
0.2	48
1.1	48
5.8	20
4.1	24
1.5	35
2.9	39
4.4	24
3.6	25
0.3	48
2.2	33
1.3	33
0.4	44
0.1	39
0.2	48
0.6	45
2.1	33
0.3	41
4.0	24
1.8	39
0.1	44
1.0	39
0.2	45
0.4	45
0.1	39
4.1	20
0.2	48
0.9	33
0.7	35
0.2	35
0.7	35
1.8	25
0.2	39
1.1	39
2.1	21
0.1	39
0.5	39
2.8	33
3.8	9
0.1	44
0.7	32
0.1	35
4.4	20
0.9	41
1.5	1
0.6	39
2.5	24
1.8	25
0.4	39
1.1	1
1.1	39
3.5	17
0.1	32
1.7	35
2.7	25
3.2	24
1.5	35
2.9	12
0.2	39
0.1	33
0.3	33
2.2	19
3.8	16
1.7	33
0.8	16
0.3	1
0.5	28
1.5	17
0.7	20
1.3	33
1.6	20
0.4	36
0.1	39
1.6	16
1.7	17
4.2	5
4.2	0
1.3	25
2.6	4
0.9	20
2.8	0
0.1	25
1.3	20
1.1	20
1.1	32
1.6	12
1.0	28
1.0	16
1.1	11
0.7	1
3.9	0
1.0	12
1.5	25
3.5	0
0.5	24
1.3	5
1.5	17
2.2	5

Compared With Other Events

Station records per event

Station records in Heat wave in Russia and 3 other countries, 15 June to 3 July 2018 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 3 other countries, 15 June to 3 July 2018 (this event)	292 records

Every Record Set

20 of 292

Every record set or tied during Heat wave in Russia and 3 other countries, 15 June to 3 July 2018, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2018-06-18	Tazovskoe	Record high minimum temperature	15.8 C (60.4 F)	2.1 C (3.8 F)	68	32 of 100 (Routine)
2018-06-23	Achinsk	Record high minimum temperature	19.5 C (67.1 F)	0.9 C (1.6 F)	108	42 of 100 (Notable)
2018-06-23	Tomsk	Record high minimum temperature	21.3 C (70.3 F)	0.9 C (1.6 F)	50	37 of 100 (Notable)
2018-06-25	Tura	Record high maximum temperature	32.7 C (90.9 F)	0.5 C (0.9 F)	88	35 of 100 (Notable)
2018-06-26	Achinsk	Record high maximum temperature	34.1 C (93.4 F)	2.5 C (4.5 F)	117	44 of 100 (Notable)
2018-06-26	Nenastnaja	Record high minimum temperature	18.7 C (65.7 F)	0.9 C (1.6 F)	65	38 of 100 (Notable)
2018-06-26	Olenja Rechka	Record high maximum temperature	28.7 C (83.7 F)	1.0 C (1.8 F)	84	34 of 100 (Routine)
2018-06-27	Enisejsk	Record high maximum temperature	34.7 C (94.5 F)	3.0 C (5.4 F)	59	32 of 100 (Routine)
2018-06-28	Pervomajskoe	Record high minimum temperature	21.5 C (70.7 F)	0.8 C (1.4 F)	75	43 of 100 (Notable)
2018-06-28	Achinsk	Record high minimum temperature	19.5 C (67.1 F)	1.0 C (1.8 F)	117	42 of 100 (Notable)
2018-06-28	Bratsk	Record high minimum temperature	18.8 C (65.8 F)	0.6 C (1.1 F)	112	41 of 100 (Notable)
2018-06-28	Enisejsk	Record high minimum temperature	18.4 C (65.1 F)	0.4 C (0.7 F)	129	40 of 100 (Notable)
2018-06-28	Bolshoe Goloustnoe	Record high maximum temperature	30.0 C (86.0 F)	3.1 C (5.6 F)	75	38 of 100 (Notable)
2018-06-28	Olenja Rechka	Record high minimum temperature	14.6 C (58.3 F)	2.9 C (5.2 F)	68	35 of 100 (Notable)
2018-06-28	Aleksandrovskoe	Record high minimum temperature	21.1 C (70.0 F)	2.0 C (3.6 F)	73	34 of 100 (Routine)
2018-06-28	Soljanka	Record high maximum temperature	33.9 C (93.0 F)	2.3 C (4.1 F)	68	32 of 100 (Routine)
2018-06-29	Krasnojarsk	Record high minimum temperature	20.0 C (68.0 F)	0.2 C (0.4 F)	75	32 of 100 (Routine)
2018-06-30	Irkutsk	Record high minimum temperature	19.9 C (67.8 F)	3.6 C (6.5 F)	79	42 of 100 (Notable)
2018-06-30	Kjahta	Record high minimum temperature	19.2 C (66.6 F)	2.6 C (4.7 F)	64	35 of 100 (Notable)
2018-07-01	Enisejsk	Record high minimum temperature	18.4 C (65.1 F)	0.2 C (0.4 F)	109	40 of 100 (Notable)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 292 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
2.5	117
0.8	75
1.0	117
0.9	108
3.6	79
0.6	112
0.2	109
0.4	129
0.9	65
3.1	75
0.9	50
0.5	88
2.9	68
2.6	64
2.0	73
1.0	84
2.3	68
2.1	68
3.0	59
0.2	75
1.7	64
0.2	73
2.7	59
2.7	57
0.1	73
0.4	40
1.6	68
0.2	75
0.3	75
0.8	43
2.8	55
1.1	68
0.8	57
2.1	64
0.3	41
0.2	43
0.8	64
2.2	47
0.2	56
1.5	48
3.7	48
1.4	56
3.6	44
2.1	57
1.8	57
2.2	44
0.2	64
0.7	59
2.9	35
0.7	48
3.2	48
2.8	44
2.3	44
1.2	47
4.5	35
2.4	48
2.8	47
3.9	39
3.9	39
0.3	55
1.8	44
2.0	44
1.5	48
4.4	33
0.2	63
2.4	48
1.8	39
1.4	48
3.2	39
0.6	44
1.2	40
1.9	47
1.8	44
0.9	48
2.0	45
0.6	48
2.2	48
0.7	48
1.0	44
1.6	39
1.6	48
1.6	47
0.1	17
2.4	39
2.9	32
2.8	39
2.8	33
1.4	45
2.8	32
2.2	44
1.6	47
2.1	44
2.5	39
1.1	39
4.7	25
0.3	47
0.5	48
1.3	44
2.2	33
0.1	45
0.7	44
0.6	48
0.8	47
0.2	48
1.1	48
5.8	20
4.1	24
1.5	35
2.9	39
4.4	24
3.6	25
0.3	48
2.2	33
1.3	33
0.4	44
0.1	39
0.2	48
0.6	45
2.1	33
0.3	41
4.0	24
1.8	39
0.1	44
1.0	39
0.2	45
0.4	45
0.1	39
4.1	20
0.2	48
0.9	33
0.7	35
0.2	35
0.7	35
1.8	25
0.2	39
1.1	39
2.1	21
0.1	39
0.5	39
2.8	33
3.8	9
0.1	44
0.7	32
0.1	35
4.4	20
0.9	41
1.5	1
0.6	39
2.5	24
1.8	25
0.4	39
1.1	1
1.1	39
3.5	17
0.1	32
1.7	35
2.7	25
3.2	24
1.5	35
2.9	12
0.2	39
0.1	33
0.3	33
2.2	19
3.8	16
1.7	33
0.8	16
0.3	1
0.5	28
1.5	17
0.7	20
1.3	33
1.6	20
0.4	36
0.1	39
1.6	16
1.7	17
4.2	5
4.2	0
1.3	25
2.6	4
0.9	20
2.8	0
0.1	25
1.3	20
1.1	20
1.1	32
1.6	12
1.0	28
1.0	16
1.1	11
0.7	1
3.9	0
1.0	12
1.5	25
3.5	0
0.5	24
1.3	5
1.5	17
2.2	5

Margin (C)	Years the old record stood
2.5	117
0.8	75
1.0	117
0.9	108
3.6	79
0.6	112
0.2	109
0.4	129
0.9	65
3.1	75
0.9	50
0.5	88
2.9	68
2.6	64
2.0	73
1.0	84
2.3	68
2.1	68
3.0	59
0.2	75
1.7	64
0.2	73
2.7	59
2.7	57
0.1	73
0.4	40
1.6	68
0.2	75
0.3	75
0.8	43
2.8	55
1.1	68
0.8	57
2.1	64
0.3	41
0.2	43
0.8	64
2.2	47
0.2	56
1.5	48
3.7	48
1.4	56
3.6	44
2.1	57
1.8	57
2.2	44
0.2	64
0.7	59
2.9	35
0.7	48
3.2	48
2.8	44
2.3	44
1.2	47
4.5	35
2.4	48
2.8	47
3.9	39
3.9	39
0.3	55
1.8	44
2.0	44
1.5	48
4.4	33
0.2	63
2.4	48
1.8	39
1.4	48
3.2	39
0.6	44
1.2	40
1.9	47
1.8	44
0.9	48
2.0	45
0.6	48
2.2	48
0.7	48
1.0	44
1.6	39
1.6	48
1.6	47
0.1	17
2.4	39
2.9	32
2.8	39
2.8	33
1.4	45
2.8	32
2.2	44
1.6	47
2.1	44
2.5	39
1.1	39
4.7	25
0.3	47
0.5	48
1.3	44
2.2	33
0.1	45
0.7	44
0.6	48
0.8	47
0.2	48
1.1	48
5.8	20
4.1	24
1.5	35
2.9	39
4.4	24
3.6	25
0.3	48
2.2	33
1.3	33
0.4	44
0.1	39
0.2	48
0.6	45
2.1	33
0.3	41
4.0	24
1.8	39
0.1	44
1.0	39
0.2	45
0.4	45
0.1	39
4.1	20
0.2	48
0.9	33
0.7	35
0.2	35
0.7	35
1.8	25
0.2	39
1.1	39
2.1	21
0.1	39
0.5	39
2.8	33
3.8	9
0.1	44
0.7	32
0.1	35
4.4	20
0.9	41
1.5	1
0.6	39
2.5	24
1.8	25
0.4	39
1.1	1
1.1	39
3.5	17
0.1	32
1.7	35
2.7	25
3.2	24
1.5	35
2.9	12
0.2	39
0.1	33
0.3	33
2.2	19
3.8	16
1.7	33
0.8	16
0.3	1
0.5	28
1.5	17
0.7	20
1.3	33
1.6	20
0.4	36
0.1	39
1.6	16
1.7	17
4.2	5
4.2	0
1.3	25
2.6	4
0.9	20
2.8	0
0.1	25
1.3	20
1.1	20
1.1	32
1.6	12
1.0	28
1.0	16
1.1	11
0.7	1
3.9	0
1.0	12
1.5	25
3.5	0
0.5	24
1.3	5
1.5	17
2.2	5