Heat wave in Russia, 18 June to 9 July 2021

Name: Heat wave in Russia, 18 June to 9 July 2021
Start: 2021-06-18
End: 2021-07-09
Location: Russia

Heat wave in Russia, 18 June to 9 July 2021: 107 records at 40 stations, peak on 29 June 2021. Closed.

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

Key Facts

Heat wave in Russia, 18 June to 9 July 2021 set or tied 107 station records at 40 stations.
It ran from 18 June 2021 to 9 July 2021 (22 days) and its peak day was 29 June 2021.
Status: closed.
Aldan set an all-time record high maximum temperature of 36.5 C (97.7 F) on 3 July 2021.
The busiest day was 29 June 2021 with 16 records.
The oldest broken record in the ranked list had stood for 87 years.

Footprint

18 June to 9 July 2021

The area covered by Heat wave in Russia, 18 June to 9 July 2021 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, 18 June to 9 July 2021: stations that set records in the event
Station	Type	Value	Date
Aldan	Record high maximum temperature	36.5 C (97.7 F)	2021-07-03
Jakutsk	Record high minimum temperature	19.8 C (67.6 F)	2021-06-23
Zyrjanka	Record high maximum temperature	33.4 C (92.1 F)	2021-06-29
Segen-Kyuel	Record high maximum temperature	34.2 C (93.6 F)	2021-06-21
Ostrovnoe	Record high maximum temperature	32.5 C (90.5 F)	2021-06-29
Sredhekolymsk	Record high minimum temperature	18.7 C (65.7 F)	2021-06-28
Ojmjakon	Record high maximum temperature	31.6 C (88.9 F)	2021-06-29
Ust-Moma	Record high maximum temperature	35.3 C (95.5 F)	2021-06-28
Brohovo	Record high minimum temperature	11.6 C (52.9 F)	2021-06-27
Tegjultja	Record high maximum temperature	37.5 C (99.5 F)	2021-06-22
Suntar	Record high minimum temperature	16.8 C (62.2 F)	2021-06-26
Isit	Record high minimum temperature	18.4 C (65.1 F)	2021-07-08
Tiksi	Record high maximum temperature	28.2 C (82.8 F)	2021-06-18
Dzardzan	Record high maximum temperature	30.2 C (86.4 F)	2021-06-18
Sangary	Record high minimum temperature	20.9 C (69.6 F)	2021-07-03
Uchur	Record high maximum temperature	35.9 C (96.6 F)	2021-07-03

Records per Day

Peak day 16

Records set or tied each day from 18 June 2021 to 9 July 2021. The most in one day was 16 on 29 June 2021.

Records per day during Heat wave in Russia, 18 June to 9 July 2021
Date	Records
2021-06-18	5
2021-06-19	2
2021-06-20	8
2021-06-21	10
2021-06-22	9
2021-06-23	4
2021-06-24	1
2021-06-25	4
2021-06-26	5
2021-06-27	3
2021-06-28	7
2021-06-29	16
2021-06-30	8
2021-07-01	5
2021-07-02	3
2021-07-03	6
2021-07-04	1
2021-07-05	1
2021-07-07	1
2021-07-08	6
2021-07-09	2

Top Records by Margin

Margin over the record replaced

Top records of Heat wave in Russia, 18 June to 9 July 2021 ranked by margin
Tiksi, 06-18	5.4 C (9.7 F)
Sangary, 07-03	3.9 C (7.0 F)
Zyrjanka, 06-29	2.9 C (5.2 F)
Segen-Kyuel, 06-22	2.9 C (5.2 F)
Ostrovnoe, 06-29	2.0 C (3.6 F)
Brohovo, 06-27	1.6 C (2.9 F)
Aldan, 07-03	1.3 C (2.3 F)
Dzardzan, 06-18	1.3 C (2.3 F)
Aldan, 07-08	1.2 C (2.2 F)
Jakutsk, 06-23	1.1 C (2.0 F)
Sredhekolymsk, 06-28	0.9 C (1.6 F)
Ust-Moma, 06-28	0.7 C (1.3 F)
Tegjultja, 06-22	0.7 C (1.3 F)
Ojmjakon, 06-29	0.5 C (0.9 F)
Jakutsk, 07-03	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

107 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, 18 June to 9 July 2021
Margin (C)	Years the old record stood
1.3	51
1.1	87
2.9	84
0.2	62
2.0	84
2.9	71
0.5	55
0.9	84
0.7	48
0.5	74
1.6	64
0.7	41
1.2	67
0.2	74
0.3	74
5.4	44
1.3	64
3.9	42
0.1	71
0.3	70
0.9	64
0.4	72
0.1	2
1.4	56
3.9	44
3.0	32
0.1	32
0.6	60
0.1	55
2.8	40
0.1	30
0.9	30
1.1	51
0.8	18
2.3	46
0.7	51
0.6	55
0.4	55
0.1	51
1.1	12
2.2	44
2.5	40
0.5	51
2.6	32
0.2	55
0.5	51
0.6	48
0.2	51
1.0	46
1.5	44
2.2	35
0.6	35
2.3	35
1.3	3
1.4	1
0.3	40
1.2	35
0.8	40
1.7	32
0.1	32
0.8	28
0.1	13
2.6	19
4.2	19
0.6	0
0.4	35
1.6	23
1.5	28
1.9	22
1.6	20
3.1	20
1.6	22
0.1	30
1.0	28
2.7	8
0.5	28
1.0	24
1.5	19
0.1	28
0.3	26
0.1	32
0.4	24
0.5	28
1.4	14
2.0	19
0.5	24
1.9	22
0.3	22
0.1	19
1.8	8
2.6	0
0.6	10
1.4	6
0.8	7
0.2	12
1.2	4
0.9	0
0.3	8
0.3	7
0.3	8
1.5	0
0.1	4
0.3	4
0.7	2
0.6	0
0.6	0
0.1	4

Compared With Other Events

Station records per event

Station records in Heat wave in Russia, 18 June to 9 July 2021 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, 18 June to 9 July 2021 (this event)	107 records

Every Record Set

20 of 107

Every record set or tied during Heat wave in Russia, 18 June to 9 July 2021, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2021-06-18	Tiksi	Record high maximum temperature	28.2 C (82.8 F)	5.4 C (9.7 F)	44	29 of 100 (Routine)
2021-06-18	Dzardzan	Record high maximum temperature	30.2 C (86.4 F)	1.3 C (2.3 F)	64	29 of 100 (Routine)
2021-06-21	Segen-Kyuel	Record high maximum temperature	34.2 C (93.6 F)	0.2 C (0.4 F)	62	36 of 100 (Notable)
2021-06-22	Segen-Kyuel	Record high maximum temperature	33.0 C (91.4 F)	2.9 C (5.2 F)	71	34 of 100 (Routine)
2021-06-22	Tegjultja	Record high maximum temperature	37.5 C (99.5 F)	0.7 C (1.3 F)	41	31 of 100 (Routine)
2021-06-23	Jakutsk	Record high minimum temperature	19.8 C (67.6 F)	1.1 C (2.0 F)	87	38 of 100 (Notable)
2021-06-25	Suntar	Record high minimum temperature	16.1 C (61.0 F)	0.1 C (0.2 F)	71	29 of 100 (Routine)
2021-06-26	Suntar	Record high minimum temperature	16.8 C (62.2 F)	0.2 C (0.4 F)	74	30 of 100 (Routine)
2021-06-27	Brohovo	Record high minimum temperature	11.6 C (52.9 F)	1.6 C (2.9 F)	64	32 of 100 (Routine)
2021-06-28	Sredhekolymsk	Record high minimum temperature	18.7 C (65.7 F)	0.9 C (1.6 F)	84	34 of 100 (Routine)
2021-06-28	Ust-Moma	Record high maximum temperature	35.3 C (95.5 F)	0.7 C (1.3 F)	48	33 of 100 (Routine)
2021-06-29	Zyrjanka	Record high maximum temperature	33.4 C (92.1 F)	2.9 C (5.2 F)	84	37 of 100 (Notable)
2021-06-29	Ostrovnoe	Record high maximum temperature	32.5 C (90.5 F)	2.0 C (3.6 F)	84	36 of 100 (Notable)
2021-06-29	Ojmjakon	Record high maximum temperature	31.6 C (88.9 F)	0.5 C (0.9 F)	55	34 of 100 (Routine)
2021-07-03	Aldan	Record high maximum temperature	36.5 C (97.7 F)	1.3 C (2.3 F)	51	45 of 100 (Notable)
2021-07-03	Jakutsk	Record high maximum temperature	34.2 C (93.6 F)	0.5 C (0.9 F)	74	33 of 100 (Routine)
2021-07-03	Sangary	Record high minimum temperature	20.9 C (69.6 F)	3.9 C (7.0 F)	42	29 of 100 (Routine)
2021-07-03	Uchur	Record high maximum temperature	35.9 C (96.6 F)	0.3 C (0.5 F)	70	29 of 100 (Routine)
2021-07-08	Aldan	Record high minimum temperature	21.0 C (69.8 F)	1.2 C (2.2 F)	67	31 of 100 (Routine)
2021-07-08	Isit	Record high minimum temperature	18.4 C (65.1 F)	0.3 C (0.5 F)	74	30 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 107 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
1.3	51
1.1	87
2.9	84
0.2	62
2.0	84
2.9	71
0.5	55
0.9	84
0.7	48
0.5	74
1.6	64
0.7	41
1.2	67
0.2	74
0.3	74
5.4	44
1.3	64
3.9	42
0.1	71
0.3	70
0.9	64
0.4	72
0.1	2
1.4	56
3.9	44
3.0	32
0.1	32
0.6	60
0.1	55
2.8	40
0.1	30
0.9	30
1.1	51
0.8	18
2.3	46
0.7	51
0.6	55
0.4	55
0.1	51
1.1	12
2.2	44
2.5	40
0.5	51
2.6	32
0.2	55
0.5	51
0.6	48
0.2	51
1.0	46
1.5	44
2.2	35
0.6	35
2.3	35
1.3	3
1.4	1
0.3	40
1.2	35
0.8	40
1.7	32
0.1	32
0.8	28
0.1	13
2.6	19
4.2	19
0.6	0
0.4	35
1.6	23
1.5	28
1.9	22
1.6	20
3.1	20
1.6	22
0.1	30
1.0	28
2.7	8
0.5	28
1.0	24
1.5	19
0.1	28
0.3	26
0.1	32
0.4	24
0.5	28
1.4	14
2.0	19
0.5	24
1.9	22
0.3	22
0.1	19
1.8	8
2.6	0
0.6	10
1.4	6
0.8	7
0.2	12
1.2	4
0.9	0
0.3	8
0.3	7
0.3	8
1.5	0
0.1	4
0.3	4
0.7	2
0.6	0
0.6	0
0.1	4

Margin (C)	Years the old record stood
1.3	51
1.1	87
2.9	84
0.2	62
2.0	84
2.9	71
0.5	55
0.9	84
0.7	48
0.5	74
1.6	64
0.7	41
1.2	67
0.2	74
0.3	74
5.4	44
1.3	64
3.9	42
0.1	71
0.3	70
0.9	64
0.4	72
0.1	2
1.4	56
3.9	44
3.0	32
0.1	32
0.6	60
0.1	55
2.8	40
0.1	30
0.9	30
1.1	51
0.8	18
2.3	46
0.7	51
0.6	55
0.4	55
0.1	51
1.1	12
2.2	44
2.5	40
0.5	51
2.6	32
0.2	55
0.5	51
0.6	48
0.2	51
1.0	46
1.5	44
2.2	35
0.6	35
2.3	35
1.3	3
1.4	1
0.3	40
1.2	35
0.8	40
1.7	32
0.1	32
0.8	28
0.1	13
2.6	19
4.2	19
0.6	0
0.4	35
1.6	23
1.5	28
1.9	22
1.6	20
3.1	20
1.6	22
0.1	30
1.0	28
2.7	8
0.5	28
1.0	24
1.5	19
0.1	28
0.3	26
0.1	32
0.4	24
0.5	28
1.4	14
2.0	19
0.5	24
1.9	22
0.3	22
0.1	19
1.8	8
2.6	0
0.6	10
1.4	6
0.8	7
0.2	12
1.2	4
0.9	0
0.3	8
0.3	7
0.3	8
1.5	0
0.1	4
0.3	4
0.7	2
0.6	0
0.6	0
0.1	4