Extreme rain in Sweden and 12 other countries, 8 to 27 May 2021

Name: Extreme rain in Sweden and 12 other countries, 8 to 27 May 2021
Start: 2021-05-08
End: 2021-05-27
Location: Sweden, Netherlands, Germany, Finland, Norway, Czech Republic, United Kingdom, Estonia, France, Lithuania, Switzerland, Latvia, Poland

Extreme rain in Sweden and 12 other countries, 8 to 27 May 2021: 483 records at 385 stations, peak on 26 May 2021. Closed.

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

Key Facts

Extreme rain in Sweden and 12 other countries, 8 to 27 May 2021 set or tied 483 station records at 385 stations.
It ran from 8 May 2021 to 27 May 2021 (20 days) and its peak day was 26 May 2021.
Status: closed.
Vasteras-Hasslo set a daily record precipitation of 37.3 mm (1.5 in) on 26 May 2021.
The busiest day was 26 May 2021 with 137 records.
The oldest broken record in the ranked list had stood for 161 years.

Footprint

8 to 27 May 2021

The area covered by Extreme rain in Sweden and 12 other countries, 8 to 27 May 2021 is outlined, with 19 of the stations that set records marked, coloured by record type. Made with Natural Earth.

Footprint of Extreme rain in Sweden and 12 other countries, 8 to 27 May 2021: stations that set records in the event
Station	Type	Value	Date
Vasteras-Hasslo	Record daily precipitation	37.3 mm (1.5 in)	2021-05-26
Stockholm	Record daily precipitation	42.1 mm (1.7 in)	2021-05-26
Vilsandi	Record daily precipitation	31.5 mm (1.2 in)	2021-05-26
Ruhnu	Record daily precipitation	35.5 mm (1.4 in)	2021-05-26
Svenska Hogarna	Record daily precipitation	29.1 mm (1.1 in)	2021-05-26
Gullspang	Record daily precipitation	29.3 mm (1.2 in)	2021-05-22
Enkoping	Record daily precipitation	35.1 mm (1.4 in)	2021-05-26
Kuressaare	Record daily precipitation	34.6 mm (1.4 in)	2021-05-26
Kyritz	Record daily precipitation	35.9 mm (1.4 in)	2021-05-13
Godegard	Record daily precipitation	35.1 mm (1.4 in)	2021-05-26
Mariefred	Record daily precipitation	48.5 mm (1.9 in)	2021-05-26
Soderkoping	Record daily precipitation	30.2 mm (1.2 in)	2021-05-22
Sorbytorp	Record daily precipitation	32.5 mm (1.3 in)	2021-05-26
Tullinge A	Record daily precipitation	48.0 mm (1.9 in)	2021-05-26
Nijbeets	Record daily precipitation	36.6 mm (1.4 in)	2021-05-19
Vastvalla	Record daily precipitation	32.8 mm (1.3 in)	2021-05-26
Vallnora_D	Record daily precipitation	44.9 mm (1.8 in)	2021-05-26
Algaras	Record daily precipitation	34.0 mm (1.3 in)	2021-05-26
Backefors	Record daily precipitation	42.8 mm (1.7 in)	2021-05-26

Records per Day

Peak day 137

Records set or tied each day from 8 May 2021 to 27 May 2021. The most in one day was 137 on 26 May 2021.

Records per day during Extreme rain in Sweden and 12 other countries, 8 to 27 May 2021
Date	Records
2021-05-08	15
2021-05-09	12
2021-05-10	17
2021-05-11	18
2021-05-12	34
2021-05-13	23
2021-05-14	12
2021-05-15	14
2021-05-16	12
2021-05-17	21
2021-05-18	4
2021-05-19	15
2021-05-20	2
2021-05-21	3
2021-05-22	16
2021-05-23	22
2021-05-24	43
2021-05-25	57
2021-05-26	137
2021-05-27	6

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in Sweden and 12 other countries, 8 to 27 May 2021 ranked by margin
Backefors, 05-26	31.9 mm (1.3 in)
Gullspang, 05-26	27.0 mm (1.1 in)
Kyritz, 05-13	25.0 mm (1.0 in)
Kuressaare, 05-26	24.9 mm (1.0 in)
Godegard, 05-26	24.1 mm (0.9 in)
Vasteras-Hasslo, 05-26	22.6 mm (0.9 in)
Algaras, 05-26	22.5 mm (0.9 in)
Sorbytorp, 05-26	22.1 mm (0.9 in)
Soderkoping, 05-22	22.0 mm (0.9 in)
Vallnora_D, 05-26	21.9 mm (0.9 in)
Nijbeets, 05-19	21.2 mm (0.8 in)
Stockholm, 05-26	20.5 mm (0.8 in)
Vastvalla, 05-26	20.2 mm (0.8 in)
Enkoping, 05-26	20.1 mm (0.8 in)
Gullspang, 05-22	19.8 mm (0.8 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

483 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 12 other countries, 8 to 27 May 2021
Margin (mm)	Years the old record stood
23	130
21	108
19	98
18	98
13	107
20	71
20	72
25	68
25	64
24	55
17	24
22	59
22	55
12	63
21	52
27	50
20	55
22	24
23	48
32	48
20	55
26	24
25	48
9	108
17	55
9	108
13	116
13	102
17	58
11	54
19	5
16	27
19	15
8	130
21	47
18	27
15	24
24	36
14	68
18	83
12	78
13	68
5	107
21	47
30	28
15	55
30	15
11	63
15	8
27	10
18	48
7	63
7	63
23	10
17	56
27	8
10	64
7	84
4	103
11	38
16	48
4	114
18	31
26	16
23	10
11	48
18	44
22	2
7	92
10	55
14	50
5	63
9	24
11	54
18	15
12	50
18	10
15	40
10	24
11	25
3	96
3	102
17	15
24	4
12	27
16	52
13	48
22	36
12	50
5	54
2	116
10	68
19	36
16	20
10	40
4	63
7	68
16	4
11	51
10	52
13	63
13	27
8	24
8	63
13	35
11	36
15	11
10	48
1	95
0	161
14	30
6	56
8	63
11	27
19	10
9	48
4	59
2	54
5	71
6	68
10	19
2	63
6	68
4	72
7	52
1	88
13	11
1	63
5	63
6	68
8	51
6	56
14	16
5	58
7	58
10	20
8	38
13	2
9	52
5	67
2	83
12	7
6	25
11	30
5	24
4	68
11	4
13	26
9	38
11	14
7	50
7	42
6	38
5	13
8	38
3	70
14	26
1	72
4	54
1	72
8	36
11	34
5	54
6	50
11	16
13	2
11	2
6	48
2	70
5	58
3	54
5	52
6	52
4	54
10	27
5	48
4	56
5	50
7	36
6	52
3	58
9	24
1	67
6	44
7	22
4	24
2	68
9	22
3	52
3	29
11	11
3	48
8	27
9	18
4	48
11	8
10	19
2	56
3	54
3	58

Compared With Other Events

Station records per event

Station records in Extreme rain in Sweden and 12 other countries, 8 to 27 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 12 other countries, 8 to 27 May 2021 (this event)	483 records

Every Record Set

20 of 483

Every record set or tied during Extreme rain in Sweden and 12 other countries, 8 to 27 May 2021, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2021-05-13	Kyritz	Record daily precipitation	35.9 mm (1.4 in)	25.0 mm (1.0 in)	64	66 of 100 (Major)
2021-05-19	Nijbeets	Record daily precipitation	36.6 mm (1.4 in)	21.2 mm (0.8 in)	52	62 of 100 (Major)
2021-05-22	Gullspang	Record daily precipitation	29.3 mm (1.2 in)	19.8 mm (0.8 in)	71	68 of 100 (Major)
2021-05-22	Soderkoping	Record daily precipitation	30.2 mm (1.2 in)	22.0 mm (0.9 in)	59	63 of 100 (Major)
2021-05-26	Vasteras-Hasslo	Record daily precipitation	37.3 mm (1.5 in)	22.6 mm (0.9 in)	130	80 of 100 (Exceptional)
2021-05-26	Stockholm	Record daily precipitation	42.1 mm (1.7 in)	20.5 mm (0.8 in)	108	80 of 100 (Exceptional)
2021-05-26	Vilsandi	Record daily precipitation	31.5 mm (1.2 in)	18.5 mm (0.7 in)	98	79 of 100 (Major)
2021-05-26	Ruhnu	Record daily precipitation	35.5 mm (1.4 in)	17.9 mm (0.7 in)	98	75 of 100 (Major)
2021-05-26	Svenska Hogarna	Record daily precipitation	29.1 mm (1.1 in)	12.8 mm (0.5 in)	107	71 of 100 (Major)
2021-05-26	Enkoping	Record daily precipitation	35.1 mm (1.4 in)	20.1 mm (0.8 in)	72	68 of 100 (Major)
2021-05-26	Kuressaare	Record daily precipitation	34.6 mm (1.4 in)	24.9 mm (1.0 in)	68	67 of 100 (Major)
2021-05-26	Godegard	Record daily precipitation	35.1 mm (1.4 in)	24.1 mm (0.9 in)	55	66 of 100 (Major)
2021-05-26	Mariefred	Record daily precipitation	48.5 mm (1.9 in)	17.0 mm (0.7 in)	24	64 of 100 (Major)
2021-05-26	Sorbytorp	Record daily precipitation	32.5 mm (1.3 in)	22.1 mm (0.9 in)	55	63 of 100 (Major)
2021-05-26	Tullinge A	Record daily precipitation	48.0 mm (1.9 in)	11.9 mm (0.5 in)	63	63 of 100 (Major)
2021-05-26	Gullspang	Record daily precipitation	35.0 mm (1.4 in)	27.0 mm (1.1 in)	50	62 of 100 (Major)
2021-05-26	Vastvalla	Record daily precipitation	32.8 mm (1.3 in)	20.2 mm (0.8 in)	55	62 of 100 (Major)
2021-05-26	Vallnora_D	Record daily precipitation	44.9 mm (1.8 in)	21.9 mm (0.9 in)	24	62 of 100 (Major)
2021-05-26	Algaras	Record daily precipitation	34.0 mm (1.3 in)	22.5 mm (0.9 in)	48	61 of 100 (Major)
2021-05-26	Backefors	Record daily precipitation	42.8 mm (1.7 in)	31.9 mm (1.3 in)	48	61 of 100 (Major)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 483 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
23	130
21	108
19	98
18	98
13	107
20	71
20	72
25	68
25	64
24	55
17	24
22	59
22	55
12	63
21	52
27	50
20	55
22	24
23	48
32	48
20	55
26	24
25	48
9	108
17	55
9	108
13	116
13	102
17	58
11	54
19	5
16	27
19	15
8	130
21	47
18	27
15	24
24	36
14	68
18	83
12	78
13	68
5	107
21	47
30	28
15	55
30	15
11	63
15	8
27	10
18	48
7	63
7	63
23	10
17	56
27	8
10	64
7	84
4	103
11	38
16	48
4	114
18	31
26	16
23	10
11	48
18	44
22	2
7	92
10	55
14	50
5	63
9	24
11	54
18	15
12	50
18	10
15	40
10	24
11	25
3	96
3	102
17	15
24	4
12	27
16	52
13	48
22	36
12	50
5	54
2	116
10	68
19	36
16	20
10	40
4	63
7	68
16	4
11	51
10	52
13	63
13	27
8	24
8	63
13	35
11	36
15	11
10	48
1	95
0	161
14	30
6	56
8	63
11	27
19	10
9	48
4	59
2	54
5	71
6	68
10	19
2	63
6	68
4	72
7	52
1	88
13	11
1	63
5	63
6	68
8	51
6	56
14	16
5	58
7	58
10	20
8	38
13	2
9	52
5	67
2	83
12	7
6	25
11	30
5	24
4	68
11	4
13	26
9	38
11	14
7	50
7	42
6	38
5	13
8	38
3	70
14	26
1	72
4	54
1	72
8	36
11	34
5	54
6	50
11	16
13	2
11	2
6	48
2	70
5	58
3	54
5	52
6	52
4	54
10	27
5	48
4	56
5	50
7	36
6	52
3	58
9	24
1	67
6	44
7	22
4	24
2	68
9	22
3	52
3	29
11	11
3	48
8	27
9	18
4	48
11	8
10	19
2	56
3	54
3	58

Margin (mm)	Years the old record stood
23	130
21	108
19	98
18	98
13	107
20	71
20	72
25	68
25	64
24	55
17	24
22	59
22	55
12	63
21	52
27	50
20	55
22	24
23	48
32	48
20	55
26	24
25	48
9	108
17	55
9	108
13	116
13	102
17	58
11	54
19	5
16	27
19	15
8	130
21	47
18	27
15	24
24	36
14	68
18	83
12	78
13	68
5	107
21	47
30	28
15	55
30	15
11	63
15	8
27	10
18	48
7	63
7	63
23	10
17	56
27	8
10	64
7	84
4	103
11	38
16	48
4	114
18	31
26	16
23	10
11	48
18	44
22	2
7	92
10	55
14	50
5	63
9	24
11	54
18	15
12	50
18	10
15	40
10	24
11	25
3	96
3	102
17	15
24	4
12	27
16	52
13	48
22	36
12	50
5	54
2	116
10	68
19	36
16	20
10	40
4	63
7	68
16	4
11	51
10	52
13	63
13	27
8	24
8	63
13	35
11	36
15	11
10	48
1	95
0	161
14	30
6	56
8	63
11	27
19	10
9	48
4	59
2	54
5	71
6	68
10	19
2	63
6	68
4	72
7	52
1	88
13	11
1	63
5	63
6	68
8	51
6	56
14	16
5	58
7	58
10	20
8	38
13	2
9	52
5	67
2	83
12	7
6	25
11	30
5	24
4	68
11	4
13	26
9	38
11	14
7	50
7	42
6	38
5	13
8	38
3	70
14	26
1	72
4	54
1	72
8	36
11	34
5	54
6	50
11	16
13	2
11	2
6	48
2	70
5	58
3	54
5	52
6	52
4	54
10	27
5	48
4	56
5	50
7	36
6	52
3	58
9	24
1	67
6	44
7	22
4	24
2	68
9	22
3	52
3	29
11	11
3	48
8	27
9	18
4	48
11	8
10	19
2	56
3	54
3	58

Margin (mm)	Years the old record stood
23	130
21	108
19	98
18	98
13	107
20	71
20	72
25	68
25	64
24	55
17	24
22	59
22	55
12	63
21	52
27	50
20	55
22	24
23	48
32	48
20	55
26	24
25	48
9	108
17	55
9	108
13	116
13	102
17	58
11	54
19	5
16	27
19	15
8	130
21	47
18	27
15	24
24	36
14	68
18	83
12	78
13	68
5	107
21	47
30	28
15	55
30	15
11	63
15	8
27	10
18	48
7	63
7	63
23	10
17	56
27	8
10	64
7	84
4	103
11	38
16	48
4	114
18	31
26	16
23	10
11	48
18	44
22	2
7	92
10	55
14	50
5	63
9	24
11	54
18	15
12	50
18	10
15	40
10	24
11	25
3	96
3	102
17	15
24	4
12	27
16	52
13	48
22	36
12	50
5	54
2	116
10	68
19	36
16	20
10	40
4	63
7	68
16	4
11	51
10	52
13	63
13	27
8	24
8	63
13	35
11	36
15	11
10	48
1	95
0	161
14	30
6	56
8	63
11	27
19	10
9	48
4	59
2	54
5	71
6	68
10	19
2	63
6	68
4	72
7	52
1	88
13	11
1	63
5	63
6	68
8	51
6	56
14	16
5	58
7	58
10	20
8	38
13	2
9	52
5	67
2	83
12	7
6	25
11	30
5	24
4	68
11	4
13	26
9	38
11	14
7	50
7	42
6	38
5	13
8	38
3	70
14	26
1	72
4	54
1	72
8	36
11	34
5	54
6	50
11	16
13	2
11	2
6	48
2	70
5	58
3	54
5	52
6	52
4	54
10	27
5	48
4	56
5	50
7	36
6	52
3	58
9	24
1	67
6	44
7	22
4	24
2	68
9	22
3	52
3	29
11	11
3	48
8	27
9	18
4	48
11	8
10	19
2	56
3	54
3	58