Heat wave in Russia and 12 other countries, 23 March to 16 April 2020

Name: Heat wave in Russia and 12 other countries, 23 March to 16 April 2020
Start: 2020-03-23
End: 2020-04-16
Location: Russia, Finland, Kazakhstan, Sweden, China, Norway, Belarus, Ukraine, Mongolia, Uzbekistan, Estonia, Turkmenistan, Kyrgyzstan

Heat wave in Russia and 12 other countries, 23 March to 16 April 2020: 820 records at 439 stations, peak on 25 March 2020. Closed.

Data as of 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Key Facts

Heat wave in Russia and 12 other countries, 23 March to 16 April 2020 set or tied 820 station records at 439 stations.
It ran from 23 March 2020 to 16 April 2020 (25 days) and its peak day was 25 March 2020.
Status: closed.
Surgut set a monthly record high minimum temperature of 1.5 C (34.7 F) on 30 March 2020.
The busiest day was 25 March 2020 with 98 records.
The oldest broken record in the ranked list had stood for 99 years.

Footprint

23 March to 16 April 2020

The area covered by Heat wave in Russia and 12 other countries, 23 March to 16 April 2020 is outlined, with 18 of the stations that set records marked, coloured by record type. Made with Natural Earth.

Footprint of Heat wave in Russia and 12 other countries, 23 March to 16 April 2020: stations that set records in the event
Station	Type	Value	Date
Surgut	Record high minimum temperature	1.5 C (34.7 F)	2020-03-30
Bogoroditskoye-Fenino	Record high maximum temperature	17.0 C (62.6 F)	2020-03-28
Joskar-Ola	Record high maximum temperature	15.8 C (60.4 F)	2020-03-30
Isit	Record high maximum temperature	16.3 C (61.3 F)	2020-04-10
Suntar	Record high maximum temperature	15.2 C (59.4 F)	2020-04-08
Zhigansk	Record high maximum temperature	10.5 C (50.9 F)	2020-04-09
Laryak	Record high minimum temperature	1.8 C (35.2 F)	2020-03-30
Uchur	Record high maximum temperature	13.3 C (55.9 F)	2020-04-09
Nikolaevsk-Na-Amure	Record high maximum temperature	8.5 C (47.3 F)	2020-04-09
Ust-Barguzin	Record high maximum temperature	13.8 C (56.8 F)	2020-04-10
Zajsan	Record high minimum temperature	11.5 C (52.7 F)	2020-04-07
Erbogacen	Record high maximum temperature	15.3 C (59.5 F)	2020-04-08
Tegjultja	Record high maximum temperature	15.2 C (59.4 F)	2020-04-10
Lensk	Record high maximum temperature	14.7 C (58.5 F)	2020-04-08
Kanin Nos	Record high minimum temperature	-1.4 C (29.5 F)	2020-03-25
Lukojanov	Record high maximum temperature	14.6 C (58.3 F)	2020-03-26
Verhneimbatsk	Record high maximum temperature	9.4 C (48.9 F)	2020-04-02
Kirensk	Record high maximum temperature	14.0 C (57.2 F)	2020-04-07

Records per Day

Peak day 98

Records set or tied each day from 23 March 2020 to 16 April 2020. The most in one day was 98 on 25 March 2020.

Records per day during Heat wave in Russia and 12 other countries, 23 March to 16 April 2020
Date	Records
2020-03-23	13
2020-03-24	18
2020-03-25	98
2020-03-26	64
2020-03-27	44
2020-03-28	76
2020-03-29	67
2020-03-30	41
2020-03-31	38
2020-04-01	16
2020-04-02	26
2020-04-03	12
2020-04-04	18
2020-04-05	14
2020-04-06	29
2020-04-07	46
2020-04-08	50
2020-04-09	47
2020-04-10	40
2020-04-11	27
2020-04-12	19
2020-04-13	9
2020-04-14	2
2020-04-15	3
2020-04-16	3

Top Records by Margin

Margin over the record replaced

Top records of Heat wave in Russia and 12 other countries, 23 March to 16 April 2020 ranked by margin
Isit, 04-10	5.9 C (10.6 F)
Zhigansk, 04-09	5.9 C (10.6 F)
Lukojanov, 03-26	5.3 C (9.5 F)
Suntar, 04-08	4.8 C (8.6 F)
Tegjultja, 04-10	4.8 C (8.6 F)
Zajsan, 04-07	4.2 C (7.6 F)
Uchur, 04-09	4.1 C (7.4 F)
Lensk, 04-08	3.2 C (5.8 F)
Lensk, 04-09	3.1 C (5.6 F)
Erbogacen, 04-08	2.9 C (5.2 F)
Ust-Barguzin, 04-10	2.7 C (4.9 F)
Nikolaevsk-Na-Amure, 04-09	1.5 C (2.7 F)
Kirensk, 04-07	1.4 C (2.5 F)
Joskar-Ola, 03-30	0.6 C (1.1 F)
Bogoroditskoye-Fenino, 03-28	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 12 other countries, 23 March to 16 April 2020
Margin (C)	Years the old record stood
0.2	80
5.9	71
0.6	68
0.5	99
5.9	71
4.8	75
0.4	64
2.7	80
4.1	75
1.5	85
4.2	73
2.9	80
4.8	70
3.2	75
0.3	82
0.3	82
3.1	73
5.3	52
0.5	81
1.4	75
1.7	70
2.2	75
0.9	81
0.6	82
1.7	73
0.6	83
2.3	69
1.2	71
8.0	58
5.4	45
0.3	81
1.3	69
0.6	80
1.6	75
1.8	73
0.7	36
0.6	73
4.5	55
3.6	47
4.7	37
1.3	69
0.5	75
1.8	65
1.3	73
1.8	72
1.6	70
3.9	44
0.2	75
0.4	75
2.5	59
1.3	75
0.3	75
4.6	46
2.8	67
0.9	73
0.3	75
2.1	69
0.1	73
0.1	71
0.2	71
1.8	59
0.6	31
0.7	67
0.6	69
2.3	47
0.7	65
3.9	46
5.2	44
0.3	39
0.6	72
4.6	44
0.9	69
0.3	69
0.8	65
1.4	47
0.2	37
3.3	59
4.2	45
4.5	46
3.2	43
0.2	37
3.1	54
2.6	42
2.4	42
0.1	59
4.2	0
0.4	30
0.7	67
1.0	67
2.3	43
2.5	51
5.0	43
4.0	31
2.6	47
2.7	47
4.7	30
0.5	65
5.9	38
0.6	65
3.4	42
0.2	66
1.6	54
2.2	59
0.1	67
0.4	67
1.4	60
1.1	58
0.4	59
0.9	59
0.2	52
2.4	37
1.0	47
1.1	47
1.3	57
0.1	60
1.0	55
2.8	38
1.3	59
0.8	59
3.8	46
1.8	52
4.1	43
1.3	51
1.4	52
2.0	52
1.0	47
0.9	46
0.4	52
1.0	52
3.0	43
1.5	42
2.0	48
3.0	45
1.0	54
3.1	42
2.3	44
1.8	52
5.0	21
1.6	47
2.6	37
1.8	47
1.1	47
5.7	16
2.0	12
1.5	50
2.7	39
2.1	46
3.4	45
2.7	30
2.9	43
1.3	43
3.6	37
0.8	43
1.3	51
0.7	51
1.4	52
1.7	52
1.6	52
1.3	42
2.0	38
1.6	44
2.1	43
6.1	19
0.8	20
0.1	52
1.7	47
1.5	47
1.7	52
2.8	37
1.0	13
3.7	31
2.2	37
0.1	25
3.2	37
1.7	50
0.7	59
0.7	52
0.9	43
1.3	52
0.1	51
0.2	51
0.1	51
0.7	52
1.0	52
0.8	52
1.3	52
1.0	52
1.1	52
0.1	50
0.1	52
0.5	52
0.4	44
6.1	23
4.3	17
7.6	6
0.6	47
0.4	47
0.7	47
2.0	37
0.7	37

Compared With Other Events

Station records per event

Station records in Heat wave in Russia and 12 other countries, 23 March to 16 April 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 12 other countries, 23 March to 16 April 2020 (this event)	820 records

Every Record Set

20 of 820

Every record set or tied during Heat wave in Russia and 12 other countries, 23 March to 16 April 2020, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2020-03-25	Kanin Nos	Record high minimum temperature	-1.4 C (29.5 F)	0.3 C (0.5 F)	82	34 of 100 (Routine)
2020-03-26	Lukojanov	Record high maximum temperature	14.6 C (58.3 F)	5.3 C (9.5 F)	52	34 of 100 (Routine)
2020-03-28	Bogoroditskoye-Fenino	Record high maximum temperature	17.0 C (62.6 F)	0.5 C (0.9 F)	99	39 of 100 (Notable)
2020-03-30	Surgut	Record high minimum temperature	1.5 C (34.7 F)	0.2 C (0.4 F)	80	44 of 100 (Notable)
2020-03-30	Joskar-Ola	Record high maximum temperature	15.8 C (60.4 F)	0.6 C (1.1 F)	68	39 of 100 (Notable)
2020-03-30	Laryak	Record high minimum temperature	1.8 C (35.2 F)	0.4 C (0.7 F)	64	37 of 100 (Notable)
2020-04-02	Verhneimbatsk	Record high maximum temperature	9.4 C (48.9 F)	0.3 C (0.5 F)	82	34 of 100 (Routine)
2020-04-07	Zajsan	Record high minimum temperature	11.5 C (52.7 F)	4.2 C (7.6 F)	73	36 of 100 (Notable)
2020-04-07	Kirensk	Record high maximum temperature	14.0 C (57.2 F)	1.4 C (2.5 F)	75	34 of 100 (Routine)
2020-04-08	Suntar	Record high maximum temperature	15.2 C (59.4 F)	4.8 C (8.6 F)	75	38 of 100 (Notable)
2020-04-08	Erbogacen	Record high maximum temperature	15.3 C (59.5 F)	2.9 C (5.2 F)	80	36 of 100 (Notable)
2020-04-08	Lensk	Record high maximum temperature	14.7 C (58.5 F)	3.2 C (5.8 F)	75	35 of 100 (Notable)
2020-04-09	Zhigansk	Record high maximum temperature	10.5 C (50.9 F)	5.9 C (10.6 F)	71	38 of 100 (Notable)
2020-04-09	Uchur	Record high maximum temperature	13.3 C (55.9 F)	4.1 C (7.4 F)	75	37 of 100 (Notable)
2020-04-09	Nikolaevsk-Na-Amure	Record high maximum temperature	8.5 C (47.3 F)	1.5 C (2.7 F)	85	37 of 100 (Notable)
2020-04-09	Lensk	Record high maximum temperature	16.1 C (61.0 F)	3.1 C (5.6 F)	73	34 of 100 (Routine)
2020-04-10	Isit	Record high maximum temperature	16.3 C (61.3 F)	5.9 C (10.6 F)	71	39 of 100 (Notable)
2020-04-10	Ust-Barguzin	Record high maximum temperature	13.8 C (56.8 F)	2.7 C (4.9 F)	80	37 of 100 (Notable)
2020-04-10	Tegjultja	Record high maximum temperature	15.2 C (59.4 F)	4.8 C (8.6 F)	70	36 of 100 (Notable)
2020-04-16	Kirensk	Record high maximum temperature	17.6 C (63.7 F)	0.5 C (0.9 F)	81	34 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 820 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 2026-10-17. 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
0.2	80
5.9	71
0.6	68
0.5	99
5.9	71
4.8	75
0.4	64
2.7	80
4.1	75
1.5	85
4.2	73
2.9	80
4.8	70
3.2	75
0.3	82
0.3	82
3.1	73
5.3	52
0.5	81
1.4	75
1.7	70
2.2	75
0.9	81
0.6	82
1.7	73
0.6	83
2.3	69
1.2	71
8.0	58
5.4	45
0.3	81
1.3	69
0.6	80
1.6	75
1.8	73
0.7	36
0.6	73
4.5	55
3.6	47
4.7	37
1.3	69
0.5	75
1.8	65
1.3	73
1.8	72
1.6	70
3.9	44
0.2	75
0.4	75
2.5	59
1.3	75
0.3	75
4.6	46
2.8	67
0.9	73
0.3	75
2.1	69
0.1	73
0.1	71
0.2	71
1.8	59
0.6	31
0.7	67
0.6	69
2.3	47
0.7	65
3.9	46
5.2	44
0.3	39
0.6	72
4.6	44
0.9	69
0.3	69
0.8	65
1.4	47
0.2	37
3.3	59
4.2	45
4.5	46
3.2	43
0.2	37
3.1	54
2.6	42
2.4	42
0.1	59
4.2	0
0.4	30
0.7	67
1.0	67
2.3	43
2.5	51
5.0	43
4.0	31
2.6	47
2.7	47
4.7	30
0.5	65
5.9	38
0.6	65
3.4	42
0.2	66
1.6	54
2.2	59
0.1	67
0.4	67
1.4	60
1.1	58
0.4	59
0.9	59
0.2	52
2.4	37
1.0	47
1.1	47
1.3	57
0.1	60
1.0	55
2.8	38
1.3	59
0.8	59
3.8	46
1.8	52
4.1	43
1.3	51
1.4	52
2.0	52
1.0	47
0.9	46
0.4	52
1.0	52
3.0	43
1.5	42
2.0	48
3.0	45
1.0	54
3.1	42
2.3	44
1.8	52
5.0	21
1.6	47
2.6	37
1.8	47
1.1	47
5.7	16
2.0	12
1.5	50
2.7	39
2.1	46
3.4	45
2.7	30
2.9	43
1.3	43
3.6	37
0.8	43
1.3	51
0.7	51
1.4	52
1.7	52
1.6	52
1.3	42
2.0	38
1.6	44
2.1	43
6.1	19
0.8	20
0.1	52
1.7	47
1.5	47
1.7	52
2.8	37
1.0	13
3.7	31
2.2	37
0.1	25
3.2	37
1.7	50
0.7	59
0.7	52
0.9	43
1.3	52
0.1	51
0.2	51
0.1	51
0.7	52
1.0	52
0.8	52
1.3	52
1.0	52
1.1	52
0.1	50
0.1	52
0.5	52
0.4	44
6.1	23
4.3	17
7.6	6
0.6	47
0.4	47
0.7	47
2.0	37
0.7	37

Margin (C)	Years the old record stood
0.2	80
5.9	71
0.6	68
0.5	99
5.9	71
4.8	75
0.4	64
2.7	80
4.1	75
1.5	85
4.2	73
2.9	80
4.8	70
3.2	75
0.3	82
0.3	82
3.1	73
5.3	52
0.5	81
1.4	75
1.7	70
2.2	75
0.9	81
0.6	82
1.7	73
0.6	83
2.3	69
1.2	71
8.0	58
5.4	45
0.3	81
1.3	69
0.6	80
1.6	75
1.8	73
0.7	36
0.6	73
4.5	55
3.6	47
4.7	37
1.3	69
0.5	75
1.8	65
1.3	73
1.8	72
1.6	70
3.9	44
0.2	75
0.4	75
2.5	59
1.3	75
0.3	75
4.6	46
2.8	67
0.9	73
0.3	75
2.1	69
0.1	73
0.1	71
0.2	71
1.8	59
0.6	31
0.7	67
0.6	69
2.3	47
0.7	65
3.9	46
5.2	44
0.3	39
0.6	72
4.6	44
0.9	69
0.3	69
0.8	65
1.4	47
0.2	37
3.3	59
4.2	45
4.5	46
3.2	43
0.2	37
3.1	54
2.6	42
2.4	42
0.1	59
4.2	0
0.4	30
0.7	67
1.0	67
2.3	43
2.5	51
5.0	43
4.0	31
2.6	47
2.7	47
4.7	30
0.5	65
5.9	38
0.6	65
3.4	42
0.2	66
1.6	54
2.2	59
0.1	67
0.4	67
1.4	60
1.1	58
0.4	59
0.9	59
0.2	52
2.4	37
1.0	47
1.1	47
1.3	57
0.1	60
1.0	55
2.8	38
1.3	59
0.8	59
3.8	46
1.8	52
4.1	43
1.3	51
1.4	52
2.0	52
1.0	47
0.9	46
0.4	52
1.0	52
3.0	43
1.5	42
2.0	48
3.0	45
1.0	54
3.1	42
2.3	44
1.8	52
5.0	21
1.6	47
2.6	37
1.8	47
1.1	47
5.7	16
2.0	12
1.5	50
2.7	39
2.1	46
3.4	45
2.7	30
2.9	43
1.3	43
3.6	37
0.8	43
1.3	51
0.7	51
1.4	52
1.7	52
1.6	52
1.3	42
2.0	38
1.6	44
2.1	43
6.1	19
0.8	20
0.1	52
1.7	47
1.5	47
1.7	52
2.8	37
1.0	13
3.7	31
2.2	37
0.1	25
3.2	37
1.7	50
0.7	59
0.7	52
0.9	43
1.3	52
0.1	51
0.2	51
0.1	51
0.7	52
1.0	52
0.8	52
1.3	52
1.0	52
1.1	52
0.1	50
0.1	52
0.5	52
0.4	44
6.1	23
4.3	17
7.6	6
0.6	47
0.4	47
0.7	47
2.0	37
0.7	37