Heat wave in Russia and 6 other countries, 22 May to 12 June 2018

Name: Heat wave in Russia and 6 other countries, 22 May to 12 June 2018
Start: 2018-05-22
End: 2018-06-12
Location: Russia, Japan, Mongolia, China, Korea, South, Korea, North, Kazakhstan

Heat wave in Russia and 6 other countries, 22 May to 12 June 2018: 554 records at 297 stations, peak on 29 May 2018. Closed.

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

Key Facts

Heat wave in Russia and 6 other countries, 22 May to 12 June 2018 set or tied 554 station records at 297 stations.
It ran from 22 May 2018 to 12 June 2018 (22 days) and its peak day was 29 May 2018.
Status: closed.
Kirensk set a daily record high minimum temperature of 17.9 C (64.2 F) on 29 May 2018.
The busiest day was 29 May 2018 with 74 records.
The oldest broken record in the ranked list had stood for 113 years.

Footprint

22 May to 12 June 2018

The area covered by Heat wave in Russia and 6 other countries, 22 May to 12 June 2018 is outlined, with 17 of the stations that set records marked, coloured by record type. Made with Natural Earth.

Footprint of Heat wave in Russia and 6 other countries, 22 May to 12 June 2018: stations that set records in the event
Station	Type	Value	Date
Kirensk	Record high minimum temperature	17.9 C (64.2 F)	2018-05-29
Bratsk	Record high minimum temperature	12.5 C (54.5 F)	2018-05-29
Blagovescensk	Record high maximum temperature	31.0 C (87.8 F)	2018-05-30
Barguzinskij Zapovednik	Record high maximum temperature	30.8 C (87.4 F)	2018-06-01
Chita	Record high minimum temperature	16.8 C (62.2 F)	2018-06-02
Orlinga	Record high minimum temperature	12.5 C (54.5 F)	2018-05-31
Svijagino	Record high minimum temperature	19.5 C (67.1 F)	2018-06-02
Skovorodino	Record high minimum temperature	12.4 C (54.3 F)	2018-06-03
Arhara	Record high maximum temperature	34.8 C (94.6 F)	2018-06-03
Njurba	Record high minimum temperature	13.1 C (55.6 F)	2018-05-27
Nerchinskij Zavod	Record high maximum temperature	33.4 C (92.1 F)	2018-06-02
Veselaja Gorka	Record high minimum temperature	17.0 C (62.6 F)	2018-05-29
Bogorodskoe	Record high minimum temperature	13.0 C (55.4 F)	2018-05-30
Sretensk	Record high maximum temperature	35.7 C (96.3 F)	2018-06-02
Irkutsk	Record high maximum temperature	29.8 C (85.6 F)	2018-05-29
Kajlastuj	Record high maximum temperature	36.5 C (97.7 F)	2018-06-02
Mazanovo	Record high maximum temperature	33.3 C (91.9 F)	2018-06-03

Records per Day

Peak day 74

Records set or tied each day from 22 May 2018 to 12 June 2018. The most in one day was 74 on 29 May 2018.

Records per day during Heat wave in Russia and 6 other countries, 22 May to 12 June 2018
Date	Records
2018-05-22	1
2018-05-23	3
2018-05-24	5
2018-05-25	5
2018-05-26	8
2018-05-27	15
2018-05-28	47
2018-05-29	74
2018-05-30	53
2018-05-31	50
2018-06-01	62
2018-06-02	44
2018-06-03	65
2018-06-04	40
2018-06-05	14
2018-06-06	20
2018-06-07	3
2018-06-08	10
2018-06-09	25
2018-06-10	1
2018-06-11	5
2018-06-12	4

Top Records by Margin

Margin over the record replaced

Top records of Heat wave in Russia and 6 other countries, 22 May to 12 June 2018 ranked by margin
Barguzinskij Zapovednik, 06-01	9.3 C (16.7 F)
Kirensk, 05-29	5.2 C (9.4 F)
Njurba, 05-27	4.2 C (7.6 F)
Svijagino, 06-02	4.0 C (7.2 F)
Chita, 06-02	3.9 C (7.0 F)
Orlinga, 05-31	3.9 C (7.0 F)
Kajlastuj, 06-02	3.7 C (6.7 F)
Arhara, 06-03	3.3 C (5.9 F)
Sretensk, 06-02	3.3 C (5.9 F)
Veselaja Gorka, 05-29	3.0 C (5.4 F)
Mazanovo, 06-03	2.8 C (5.0 F)
Nerchinskij Zavod, 06-03	2.3 C (4.1 F)
Bogorodskoe, 05-29	1.3 C (2.3 F)
Bogorodskoe, 05-30	1.1 C (2.0 F)
Bratsk, 05-29	0.5 C (0.9 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

500 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 6 other countries, 22 May to 12 June 2018
Margin (C)	Years the old record stood
5.2	109
0.5	113
9.3	36
3.9	68
0.3	97
0.1	97
3.9	72
4.0	56
0.1	92
3.3	72
4.2	69
2.3	68
0.2	92
3.3	72
3.0	37
1.1	80
0.2	83
3.7	68
1.3	80
2.8	68
0.7	40
2.4	67
2.7	68
0.7	80
0.3	49
3.0	68
1.0	68
1.5	67
1.5	37
3.9	45
0.1	76
4.1	56
1.6	68
2.3	60
1.4	63
2.1	68
2.0	64
2.6	56
1.4	67
2.6	61
1.5	64
0.4	44
2.2	68
1.6	68
0.4	43
2.0	61
1.9	61
5.2	25
1.3	61
0.9	68
0.7	43
1.1	27
1.4	26
0.2	72
1.1	68
1.1	68
3.3	49
1.3	68
2.2	56
2.3	60
3.3	40
1.2	61
1.3	64
0.2	68
1.3	29
1.9	56
3.8	49
0.1	68
0.8	63
4.7	39
3.7	49
1.8	56
0.7	67
0.9	61
0.7	61
1.3	56
0.9	57
0.5	64
1.4	63
0.3	64
1.4	26
4.1	49
2.8	47
0.2	68
2.6	53
3.3	39
1.3	56
0.9	61
2.2	56
0.2	67
0.4	56
0.8	61
5.6	21
3.3	43
3.9	47
2.3	47
0.8	26
0.2	65
0.9	56
3.9	33
0.6	56
1.8	51
2.4	39
1.0	60
0.7	56
0.5	61
0.9	56
1.3	56
0.1	65
3.9	36
2.9	47
0.1	26
0.9	47
2.1	49
0.5	33
3.8	39
0.1	61
0.4	56
0.1	61
2.6	49
1.8	36
1.7	40
1.2	47
1.8	49
1.7	47
1.2	47
2.9	40
1.4	49
0.1	53
1.5	12
1.4	49
1.3	47
1.0	49
0.2	49
1.6	49
1.3	48
0.8	49
2.4	36
0.8	56
3.6	39
3.9	25
3.1	28
3.6	20
0.3	56
3.9	29
0.7	21
3.4	40
1.1	47
0.8	47
2.8	1
3.3	36
0.2	26
0.9	19
0.1	49
0.9	49
0.7	47
2.2	28
2.7	39
1.6	39
1.5	43
0.1	59
0.9	0
1.7	43
0.1	56
2.2	47
1.4	8
2.2	43
2.6	28
1.4	49
0.1	26
2.1	47
0.3	47
0.8	49
0.1	49
1.2	31
0.3	49
0.5	49
1.2	47
5.1	16
2.7	40
0.1	43
1.5	48
1.2	32
1.2	40
2.6	28
3.9	27
0.5	39
0.8	48
1.1	37
1.1	36
0.6	47
2.2	4
2.2	44
1.0	48
1.5	40
1.4	41
1.2	40
0.1	17
0.1	14
1.6	39

Compared With Other Events

Station records per event

Station records in Heat wave in Russia and 6 other countries, 22 May to 12 June 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 6 other countries, 22 May to 12 June 2018 (this event)	554 records

Every Record Set

20 of 554

Every record set or tied during Heat wave in Russia and 6 other countries, 22 May to 12 June 2018, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2018-05-27	Njurba	Record high minimum temperature	13.1 C (55.6 F)	4.2 C (7.6 F)	69	36 of 100 (Notable)
2018-05-29	Kirensk	Record high minimum temperature	17.9 C (64.2 F)	5.2 C (9.4 F)	109	52 of 100 (Notable)
2018-05-29	Bratsk	Record high minimum temperature	12.5 C (54.5 F)	0.5 C (0.9 F)	113	41 of 100 (Notable)
2018-05-29	Veselaja Gorka	Record high minimum temperature	17.0 C (62.6 F)	3.0 C (5.4 F)	37	35 of 100 (Notable)
2018-05-29	Irkutsk	Record high maximum temperature	29.8 C (85.6 F)	0.2 C (0.4 F)	83	34 of 100 (Routine)
2018-05-29	Bogorodskoe	Record high maximum temperature	28.5 C (83.3 F)	1.3 C (2.3 F)	80	34 of 100 (Routine)
2018-05-30	Blagovescensk	Record high maximum temperature	31.0 C (87.8 F)	0.3 C (0.5 F)	97	39 of 100 (Notable)
2018-05-30	Bogorodskoe	Record high minimum temperature	13.0 C (55.4 F)	1.1 C (2.0 F)	80	35 of 100 (Notable)
2018-05-31	Blagovescensk	Record high maximum temperature	31.8 C (89.2 F)	0.1 C (0.2 F)	97	39 of 100 (Notable)
2018-05-31	Orlinga	Record high minimum temperature	12.5 C (54.5 F)	3.9 C (7.0 F)	72	38 of 100 (Notable)
2018-06-01	Barguzinskij Zapovednik	Record high maximum temperature	30.8 C (87.4 F)	9.3 C (16.7 F)	36	39 of 100 (Notable)
2018-06-02	Chita	Record high minimum temperature	16.8 C (62.2 F)	3.9 C (7.0 F)	68	39 of 100 (Notable)
2018-06-02	Svijagino	Record high minimum temperature	19.5 C (67.1 F)	4.0 C (7.2 F)	56	38 of 100 (Notable)
2018-06-02	Nerchinskij Zavod	Record high maximum temperature	33.4 C (92.1 F)	0.2 C (0.4 F)	92	36 of 100 (Notable)
2018-06-02	Sretensk	Record high maximum temperature	35.7 C (96.3 F)	3.3 C (5.9 F)	72	35 of 100 (Notable)
2018-06-02	Kajlastuj	Record high maximum temperature	36.5 C (97.7 F)	3.7 C (6.7 F)	68	34 of 100 (Routine)
2018-06-03	Skovorodino	Record high minimum temperature	12.4 C (54.3 F)	0.1 C (0.2 F)	92	37 of 100 (Notable)
2018-06-03	Arhara	Record high maximum temperature	34.8 C (94.6 F)	3.3 C (5.9 F)	72	37 of 100 (Notable)
2018-06-03	Nerchinskij Zavod	Record high minimum temperature	17.0 C (62.6 F)	2.3 C (4.1 F)	68	36 of 100 (Notable)
2018-06-03	Mazanovo	Record high maximum temperature	33.3 C (91.9 F)	2.8 C (5.0 F)	68	34 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 554 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
5.2	109
0.5	113
9.3	36
3.9	68
0.3	97
0.1	97
3.9	72
4.0	56
0.1	92
3.3	72
4.2	69
2.3	68
0.2	92
3.3	72
3.0	37
1.1	80
0.2	83
3.7	68
1.3	80
2.8	68
0.7	40
2.4	67
2.7	68
0.7	80
0.3	49
3.0	68
1.0	68
1.5	67
1.5	37
3.9	45
0.1	76
4.1	56
1.6	68
2.3	60
1.4	63
2.1	68
2.0	64
2.6	56
1.4	67
2.6	61
1.5	64
0.4	44
2.2	68
1.6	68
0.4	43
2.0	61
1.9	61
5.2	25
1.3	61
0.9	68
0.7	43
1.1	27
1.4	26
0.2	72
1.1	68
1.1	68
3.3	49
1.3	68
2.2	56
2.3	60
3.3	40
1.2	61
1.3	64
0.2	68
1.3	29
1.9	56
3.8	49
0.1	68
0.8	63
4.7	39
3.7	49
1.8	56
0.7	67
0.9	61
0.7	61
1.3	56
0.9	57
0.5	64
1.4	63
0.3	64
1.4	26
4.1	49
2.8	47
0.2	68
2.6	53
3.3	39
1.3	56
0.9	61
2.2	56
0.2	67
0.4	56
0.8	61
5.6	21
3.3	43
3.9	47
2.3	47
0.8	26
0.2	65
0.9	56
3.9	33
0.6	56
1.8	51
2.4	39
1.0	60
0.7	56
0.5	61
0.9	56
1.3	56
0.1	65
3.9	36
2.9	47
0.1	26
0.9	47
2.1	49
0.5	33
3.8	39
0.1	61
0.4	56
0.1	61
2.6	49
1.8	36
1.7	40
1.2	47
1.8	49
1.7	47
1.2	47
2.9	40
1.4	49
0.1	53
1.5	12
1.4	49
1.3	47
1.0	49
0.2	49
1.6	49
1.3	48
0.8	49
2.4	36
0.8	56
3.6	39
3.9	25
3.1	28
3.6	20
0.3	56
3.9	29
0.7	21
3.4	40
1.1	47
0.8	47
2.8	1
3.3	36
0.2	26
0.9	19
0.1	49
0.9	49
0.7	47
2.2	28
2.7	39
1.6	39
1.5	43
0.1	59
0.9	0
1.7	43
0.1	56
2.2	47
1.4	8
2.2	43
2.6	28
1.4	49
0.1	26
2.1	47
0.3	47
0.8	49
0.1	49
1.2	31
0.3	49
0.5	49
1.2	47
5.1	16
2.7	40
0.1	43
1.5	48
1.2	32
1.2	40
2.6	28
3.9	27
0.5	39
0.8	48
1.1	37
1.1	36
0.6	47
2.2	4
2.2	44
1.0	48
1.5	40
1.4	41
1.2	40
0.1	17
0.1	14
1.6	39

Margin (C)	Years the old record stood
5.2	109
0.5	113
9.3	36
3.9	68
0.3	97
0.1	97
3.9	72
4.0	56
0.1	92
3.3	72
4.2	69
2.3	68
0.2	92
3.3	72
3.0	37
1.1	80
0.2	83
3.7	68
1.3	80
2.8	68
0.7	40
2.4	67
2.7	68
0.7	80
0.3	49
3.0	68
1.0	68
1.5	67
1.5	37
3.9	45
0.1	76
4.1	56
1.6	68
2.3	60
1.4	63
2.1	68
2.0	64
2.6	56
1.4	67
2.6	61
1.5	64
0.4	44
2.2	68
1.6	68
0.4	43
2.0	61
1.9	61
5.2	25
1.3	61
0.9	68
0.7	43
1.1	27
1.4	26
0.2	72
1.1	68
1.1	68
3.3	49
1.3	68
2.2	56
2.3	60
3.3	40
1.2	61
1.3	64
0.2	68
1.3	29
1.9	56
3.8	49
0.1	68
0.8	63
4.7	39
3.7	49
1.8	56
0.7	67
0.9	61
0.7	61
1.3	56
0.9	57
0.5	64
1.4	63
0.3	64
1.4	26
4.1	49
2.8	47
0.2	68
2.6	53
3.3	39
1.3	56
0.9	61
2.2	56
0.2	67
0.4	56
0.8	61
5.6	21
3.3	43
3.9	47
2.3	47
0.8	26
0.2	65
0.9	56
3.9	33
0.6	56
1.8	51
2.4	39
1.0	60
0.7	56
0.5	61
0.9	56
1.3	56
0.1	65
3.9	36
2.9	47
0.1	26
0.9	47
2.1	49
0.5	33
3.8	39
0.1	61
0.4	56
0.1	61
2.6	49
1.8	36
1.7	40
1.2	47
1.8	49
1.7	47
1.2	47
2.9	40
1.4	49
0.1	53
1.5	12
1.4	49
1.3	47
1.0	49
0.2	49
1.6	49
1.3	48
0.8	49
2.4	36
0.8	56
3.6	39
3.9	25
3.1	28
3.6	20
0.3	56
3.9	29
0.7	21
3.4	40
1.1	47
0.8	47
2.8	1
3.3	36
0.2	26
0.9	19
0.1	49
0.9	49
0.7	47
2.2	28
2.7	39
1.6	39
1.5	43
0.1	59
0.9	0
1.7	43
0.1	56
2.2	47
1.4	8
2.2	43
2.6	28
1.4	49
0.1	26
2.1	47
0.3	47
0.8	49
0.1	49
1.2	31
0.3	49
0.5	49
1.2	47
5.1	16
2.7	40
0.1	43
1.5	48
1.2	32
1.2	40
2.6	28
3.9	27
0.5	39
0.8	48
1.1	37
1.1	36
0.6	47
2.2	4
2.2	44
1.0	48
1.5	40
1.4	41
1.2	40
0.1	17
0.1	14
1.6	39