Extreme rain in Sweden and 5 other countries, 9 to 24 May 2021

Name: Extreme rain in Sweden and 5 other countries, 9 to 24 May 2021
Start: 2021-05-09
End: 2021-05-24
Location: Sweden, Finland, Norway, Russia, Estonia, Denmark

Extreme rain in Sweden and 5 other countries, 9 to 24 May 2021: 351 records at 267 stations, peak on 17 May 2021. Closed.

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

Key Facts

Extreme rain in Sweden and 5 other countries, 9 to 24 May 2021 set or tied 351 station records at 267 stations.
It ran from 9 May 2021 to 24 May 2021 (16 days) and its peak day was 17 May 2021.
Status: closed.
Narva set a daily record precipitation of 30.3 mm (1.2 in) on 23 May 2021.
The busiest day was 17 May 2021 with 61 records.
The oldest broken record in the ranked list had stood for 151 years.

Footprint

9 to 24 May 2021

The area covered by Extreme rain in Sweden and 5 other countries, 9 to 24 May 2021 is outlined, with 20 of the stations that set records marked, coloured by record type. Made with Natural Earth.

Footprint of Extreme rain in Sweden and 5 other countries, 9 to 24 May 2021: stations that set records in the event
Station	Type	Value	Date
Narva	Record daily precipitation	30.3 mm (1.2 in)	2021-05-23
Aanekoski Kalaniemi	Record daily precipitation	60.7 mm (2.4 in)	2021-05-19
Jyvaskyla Lentoasema	Record daily precipitation	25.3 mm (1.0 in)	2021-05-19
Pitea	Record daily precipitation	28.0 mm (1.1 in)	2021-05-21
Mikkeli Lentoasema	Record daily precipitation	39.0 mm (1.5 in)	2021-05-19
Suomussalmi Naljanka	Record daily precipitation	29.0 mm (1.1 in)	2021-05-22
Padun	Record daily precipitation	26.9 mm (1.1 in)	2021-05-22
Rautavaara Yla-Luosta	Record daily precipitation	30.3 mm (1.2 in)	2021-05-14
Bollebygd	Record daily precipitation	41.3 mm (1.6 in)	2021-05-14
Punkaharju Laukansaari	Record daily precipitation	28.4 mm (1.1 in)	2021-05-23
Belogorka	Record daily precipitation	35.1 mm (1.4 in)	2021-05-16
Heinola Asemantaus	Record daily precipitation	28.3 mm (1.1 in)	2021-05-20
Jalasjarvi Hirvijarvi	Record daily precipitation	25.3 mm (1.0 in)	2021-05-19
Kittila Pulju	Record daily precipitation	21.4 mm (0.8 in)	2021-05-13
Katkesuando	Record daily precipitation	22.0 mm (0.9 in)	2021-05-13
Varberg	Record daily precipitation	24.1 mm (0.9 in)	2021-05-14
Inari Raja-Jooseppi Akujarvi	Record daily precipitation	24.5 mm (1.0 in)	2021-05-19
Kalix_D	Record daily precipitation	18.1 mm (0.7 in)	2021-05-21
Umba	Record daily precipitation	20.1 mm (0.8 in)	2021-05-22
Johvi	Record daily precipitation	24.6 mm (1.0 in)	2021-05-23

Records per Day

Peak day 61

Records set or tied each day from 9 May 2021 to 24 May 2021. The most in one day was 61 on 17 May 2021.

Records per day during Extreme rain in Sweden and 5 other countries, 9 to 24 May 2021
Date	Records
2021-05-09	11
2021-05-10	1
2021-05-11	16
2021-05-12	30
2021-05-13	15
2021-05-14	25
2021-05-15	18
2021-05-16	33
2021-05-17	61
2021-05-18	6
2021-05-19	40
2021-05-20	19
2021-05-21	39
2021-05-22	15
2021-05-23	20
2021-05-24	2

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in Sweden and 5 other countries, 9 to 24 May 2021 ranked by margin
Mikkeli Lentoasema, 05-19	29.8 mm (1.2 in)
Aanekoski Kalaniemi, 05-19	22.9 mm (0.9 in)
Bollebygd, 05-14	22.9 mm (0.9 in)
Rautavaara Yla-Luosta, 05-14	20.4 mm (0.8 in)
Suomussalmi Naljanka, 05-22	19.5 mm (0.8 in)
Punkaharju Laukansaari, 05-23	17.4 mm (0.7 in)
Jalasjarvi Hirvijarvi, 05-19	17.1 mm (0.7 in)
Belogorka, 05-16	16.5 mm (0.6 in)
Heinola Asemantaus, 05-20	16.3 mm (0.6 in)
Jyvaskyla Lentoasema, 05-19	16.0 mm (0.6 in)
Kalix_D, 05-21	15.3 mm (0.6 in)
Kittila Pulju, 05-13	15.1 mm (0.6 in)
Katkesuando, 05-13	14.2 mm (0.6 in)
Narva, 05-23	14.0 mm (0.6 in)
Inari Raja-Jooseppi Akujarvi, 05-19	13.5 mm (0.5 in)

Margin is how far the new value is beyond the record it replaced. Ties are not shown.

Margin Against Age of the Broken Record

351 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 Extreme rain in Sweden and 5 other countries, 9 to 24 May 2021
Margin (mm)	Years the old record stood
14	98
23	32
11	106
16	60
14	54
10	151
15	72
30	44
9	84
20	38
10	51
14	38
20	34
23	24
17	23
16	27
17	48
7	95
17	20
15	38
14	52
9	60
3	76
17	22
8	67
17	26
12	32
10	52
3	71
15	23
8	54
17	24
14	51
10	52
7	60
8	46
3	90
14	23
12	34
7	72
5	83
14	32
13	27
12	26
12	34
10	17
12	32
1	114
15	16
7	66
1	99
10	36
13	23
12	26
10	30
5	72
2	87
2	86
12	20
13	26
15	16
7	51
1	90
1	87
12	24
10	46
11	36
4	38
9	14
9	34
8	48
9	38
4	72
1	82
10	27
7	17
4	75
7	52
3	75
13	30
12	15
9	38
5	66
0	84
9	26
5	60
4	33
11	23
5	48
1	50
11	22
10	18
10	32
9	24
5	56
10	16
8	24
9	26
5	51
8	30
10	12
7	1
9	15
5	54
8	30
3	66
6	38
7	32
11	4
6	46
7	11
9	28
5	55
7	30
8	32
3	56
6	38
10	10
7	23
3	54
10	24
5	40
8	12
4	50
3	54
4	52
4	46
7	22
5	38
7	30
10	16
5	38
8	10
5	30
7	19
6	28
8	16
8	24
1	66
11	10
1	63
7	14
3	52
4	46
8	18
7	4
7	27
1	60
4	39
8	24
2	54
6	24
7	8
3	42
1	59
9	4
8	10
2	19
7	18
4	36
2	50
0	48
4	26
1	54
2	52
3	38
8	6
2	34
3	34
5	24
3	46
2	52
1	54
6	8
6	20
3	30
7	16
1	46
6	30
8	8
6	10
1	38
3	27
2	48
7	15
8	4
2	36
4	35
10	12
5	28
8	16
2	32
1	3
1	48
1	52
6	30
6	8
7	8
6	16
7	10

Compared With Other Events

Station records per event

Station records in Extreme rain in Sweden and 5 other countries, 9 to 24 May 2021 compared with similar events
Extreme rain in United States and Mexico, 23 February to 15 March 2019	2,223 records
Extreme rain in United States, 3 to 19 January 2024	2,133 records
Extreme rain in Australia, 7 to 26 March 2021	2,099 records
Extreme rain in United States and Mexico, 29 September to 19 October 2018	1,970 records
Extreme rain in United States, 19 December 2022 to 13 January 2023	1,941 records
Extreme rain in Sweden and 5 other countries, 9 to 24 May 2021 (this event)	351 records

Every Record Set

20 of 351

Every record set or tied during Extreme rain in Sweden and 5 other countries, 9 to 24 May 2021, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2021-05-13	Kittila Pulju	Record daily precipitation	21.4 mm (0.8 in)	15.1 mm (0.6 in)	38	20 of 100 (Routine)
2021-05-13	Katkesuando	Record daily precipitation	22.0 mm (0.9 in)	14.2 mm (0.6 in)	38	20 of 100 (Routine)
2021-05-14	Rautavaara Yla-Luosta	Record daily precipitation	30.3 mm (1.2 in)	20.4 mm (0.8 in)	34	54 of 100 (Notable)
2021-05-14	Bollebygd	Record daily precipitation	41.3 mm (1.6 in)	22.9 mm (0.9 in)	24	54 of 100 (Notable)
2021-05-14	Varberg	Record daily precipitation	24.1 mm (0.9 in)	10.6 mm (0.4 in)	106	20 of 100 (Routine)
2021-05-16	Belogorka	Record daily precipitation	35.1 mm (1.4 in)	16.5 mm (0.6 in)	48	51 of 100 (Notable)
2021-05-19	Aanekoski Kalaniemi	Record daily precipitation	60.7 mm (2.4 in)	22.9 mm (0.9 in)	32	64 of 100 (Major)
2021-05-19	Jyvaskyla Lentoasema	Record daily precipitation	25.3 mm (1.0 in)	16.0 mm (0.6 in)	60	61 of 100 (Major)
2021-05-19	Mikkeli Lentoasema	Record daily precipitation	39.0 mm (1.5 in)	29.8 mm (1.2 in)	44	59 of 100 (Notable)
2021-05-19	Jalasjarvi Hirvijarvi	Record daily precipitation	25.3 mm (1.0 in)	17.1 mm (0.7 in)	20	50 of 100 (Notable)
2021-05-19	Inari Raja-Jooseppi Akujarvi	Record daily precipitation	24.5 mm (1.0 in)	13.5 mm (0.5 in)	54	20 of 100 (Routine)
2021-05-20	Heinola Asemantaus	Record daily precipitation	28.3 mm (1.1 in)	16.3 mm (0.6 in)	27	51 of 100 (Notable)
2021-05-21	Pitea	Record daily precipitation	28.0 mm (1.1 in)	10.4 mm (0.4 in)	151	61 of 100 (Major)
2021-05-21	Kalix_D	Record daily precipitation	18.1 mm (0.7 in)	15.3 mm (0.6 in)	72	20 of 100 (Routine)
2021-05-22	Suomussalmi Naljanka	Record daily precipitation	29.0 mm (1.1 in)	19.5 mm (0.8 in)	38	56 of 100 (Notable)
2021-05-22	Padun	Record daily precipitation	26.9 mm (1.1 in)	10.3 mm (0.4 in)	51	56 of 100 (Notable)
2021-05-22	Umba	Record daily precipitation	20.1 mm (0.8 in)	8.8 mm (0.35 in)	84	20 of 100 (Routine)
2021-05-23	Narva	Record daily precipitation	30.3 mm (1.2 in)	14.0 mm (0.6 in)	98	68 of 100 (Major)
2021-05-23	Punkaharju Laukansaari	Record daily precipitation	28.4 mm (1.1 in)	17.4 mm (0.7 in)	23	52 of 100 (Notable)
2021-05-23	Johvi	Record daily precipitation	24.6 mm (1.0 in)	7.0 mm (0.28 in)	95	20 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 351 records the event counts. The counts above use the full total.

Related Headlines

Third party news, headline and link only

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 (mm)	Years the old record stood
14	98
23	32
11	106
16	60
14	54
10	151
15	72
30	44
9	84
20	38
10	51
14	38
20	34
23	24
17	23
16	27
17	48
7	95
17	20
15	38
14	52
9	60
3	76
17	22
8	67
17	26
12	32
10	52
3	71
15	23
8	54
17	24
14	51
10	52
7	60
8	46
3	90
14	23
12	34
7	72
5	83
14	32
13	27
12	26
12	34
10	17
12	32
1	114
15	16
7	66
1	99
10	36
13	23
12	26
10	30
5	72
2	87
2	86
12	20
13	26
15	16
7	51
1	90
1	87
12	24
10	46
11	36
4	38
9	14
9	34
8	48
9	38
4	72
1	82
10	27
7	17
4	75
7	52
3	75
13	30
12	15
9	38
5	66
0	84
9	26
5	60
4	33
11	23
5	48
1	50
11	22
10	18
10	32
9	24
5	56
10	16
8	24
9	26
5	51
8	30
10	12
7	1
9	15
5	54
8	30
3	66
6	38
7	32
11	4
6	46
7	11
9	28
5	55
7	30
8	32
3	56
6	38
10	10
7	23
3	54
10	24
5	40
8	12
4	50
3	54
4	52
4	46
7	22
5	38
7	30
10	16
5	38
8	10
5	30
7	19
6	28
8	16
8	24
1	66
11	10
1	63
7	14
3	52
4	46
8	18
7	4
7	27
1	60
4	39
8	24
2	54
6	24
7	8
3	42
1	59
9	4
8	10
2	19
7	18
4	36
2	50
0	48
4	26
1	54
2	52
3	38
8	6
2	34
3	34
5	24
3	46
2	52
1	54
6	8
6	20
3	30
7	16
1	46
6	30
8	8
6	10
1	38
3	27
2	48
7	15
8	4
2	36
4	35
10	12
5	28
8	16
2	32
1	3
1	48
1	52
6	30
6	8
7	8
6	16
7	10

Margin (mm)	Years the old record stood
14	98
23	32
11	106
16	60
14	54
10	151
15	72
30	44
9	84
20	38
10	51
14	38
20	34
23	24
17	23
16	27
17	48
7	95
17	20
15	38
14	52
9	60
3	76
17	22
8	67
17	26
12	32
10	52
3	71
15	23
8	54
17	24
14	51
10	52
7	60
8	46
3	90
14	23
12	34
7	72
5	83
14	32
13	27
12	26
12	34
10	17
12	32
1	114
15	16
7	66
1	99
10	36
13	23
12	26
10	30
5	72
2	87
2	86
12	20
13	26
15	16
7	51
1	90
1	87
12	24
10	46
11	36
4	38
9	14
9	34
8	48
9	38
4	72
1	82
10	27
7	17
4	75
7	52
3	75
13	30
12	15
9	38
5	66
0	84
9	26
5	60
4	33
11	23
5	48
1	50
11	22
10	18
10	32
9	24
5	56
10	16
8	24
9	26
5	51
8	30
10	12
7	1
9	15
5	54
8	30
3	66
6	38
7	32
11	4
6	46
7	11
9	28
5	55
7	30
8	32
3	56
6	38
10	10
7	23
3	54
10	24
5	40
8	12
4	50
3	54
4	52
4	46
7	22
5	38
7	30
10	16
5	38
8	10
5	30
7	19
6	28
8	16
8	24
1	66
11	10
1	63
7	14
3	52
4	46
8	18
7	4
7	27
1	60
4	39
8	24
2	54
6	24
7	8
3	42
1	59
9	4
8	10
2	19
7	18
4	36
2	50
0	48
4	26
1	54
2	52
3	38
8	6
2	34
3	34
5	24
3	46
2	52
1	54
6	8
6	20
3	30
7	16
1	46
6	30
8	8
6	10
1	38
3	27
2	48
7	15
8	4
2	36
4	35
10	12
5	28
8	16
2	32
1	3
1	48
1	52
6	30
6	8
7	8
6	16
7	10

Margin (mm)	Years the old record stood
14	98
23	32
11	106
16	60
14	54
10	151
15	72
30	44
9	84
20	38
10	51
14	38
20	34
23	24
17	23
16	27
17	48
7	95
17	20
15	38
14	52
9	60
3	76
17	22
8	67
17	26
12	32
10	52
3	71
15	23
8	54
17	24
14	51
10	52
7	60
8	46
3	90
14	23
12	34
7	72
5	83
14	32
13	27
12	26
12	34
10	17
12	32
1	114
15	16
7	66
1	99
10	36
13	23
12	26
10	30
5	72
2	87
2	86
12	20
13	26
15	16
7	51
1	90
1	87
12	24
10	46
11	36
4	38
9	14
9	34
8	48
9	38
4	72
1	82
10	27
7	17
4	75
7	52
3	75
13	30
12	15
9	38
5	66
0	84
9	26
5	60
4	33
11	23
5	48
1	50
11	22
10	18
10	32
9	24
5	56
10	16
8	24
9	26
5	51
8	30
10	12
7	1
9	15
5	54
8	30
3	66
6	38
7	32
11	4
6	46
7	11
9	28
5	55
7	30
8	32
3	56
6	38
10	10
7	23
3	54
10	24
5	40
8	12
4	50
3	54
4	52
4	46
7	22
5	38
7	30
10	16
5	38
8	10
5	30
7	19
6	28
8	16
8	24
1	66
11	10
1	63
7	14
3	52
4	46
8	18
7	4
7	27
1	60
4	39
8	24
2	54
6	24
7	8
3	42
1	59
9	4
8	10
2	19
7	18
4	36
2	50
0	48
4	26
1	54
2	52
3	38
8	6
2	34
3	34
5	24
3	46
2	52
1	54
6	8
6	20
3	30
7	16
1	46
6	30
8	8
6	10
1	38
3	27
2	48
7	15
8	4
2	36
4	35
10	12
5	28
8	16
2	32
1	3
1	48
1	52
6	30
6	8
7	8
6	16
7	10