Extreme rain in Sweden and 10 other countries, 13 to 30 August 2021

Name: Extreme rain in Sweden and 10 other countries, 13 to 30 August 2021
Start: 2021-08-13
End: 2021-08-30
Location: Sweden, Germany, Finland, Norway, Estonia, Netherlands, Latvia, Lithuania, Russia, Czech Republic, Poland

Extreme rain in Sweden and 10 other countries, 13 to 30 August 2021: 506 records at 417 stations, peak on 17 August 2021. Closed.

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

Key Facts

Extreme rain in Sweden and 10 other countries, 13 to 30 August 2021 set or tied 506 station records at 417 stations.
It ran from 13 August 2021 to 30 August 2021 (18 days) and its peak day was 17 August 2021.
Status: closed.
Artern set a daily record precipitation of 37.1 mm (1.5 in) on 29 August 2021.
The busiest day was 17 August 2021 with 120 records.
The oldest broken record in the ranked list had stood for 130 years.

Footprint

13 to 30 August 2021

The area covered by Extreme rain in Sweden and 10 other countries, 13 to 30 August 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 10 other countries, 13 to 30 August 2021: stations that set records in the event
Station	Type	Value	Date
Nyhammar	Record daily precipitation	102.6 mm (4.0 in)	2021-08-17
Artern	Record daily precipitation	37.1 mm (1.5 in)	2021-08-29
Sandviken	Record daily precipitation	96.0 mm (3.8 in)	2021-08-17
Ostas I Hegra	Record daily precipitation	49.2 mm (1.9 in)	2021-08-24
Kjobli I Snaasa	Record daily precipitation	50.9 mm (2.0 in)	2021-08-18
Kristianstad	Record daily precipitation	44.3 mm (1.7 in)	2021-08-27
Falsterbo	Record daily precipitation	52.7 mm (2.1 in)	2021-08-16
Falkoping	Record daily precipitation	57.0 mm (2.2 in)	2021-08-16
Ludvika	Record daily precipitation	63.9 mm (2.5 in)	2021-08-17
Leksand	Record daily precipitation	55.0 mm (2.2 in)	2021-08-17
Hudiksvall	Record daily precipitation	101.8 mm (4.0 in)	2021-08-17
Gavle-Abyggeby	Record daily precipitation	117.2 mm (4.6 in)	2021-08-17
Landskrona_D	Record daily precipitation	50.9 mm (2.0 in)	2021-08-17
Ockelbo	Record daily precipitation	109.0 mm (4.3 in)	2021-08-17
Delsbo	Record daily precipitation	82.4 mm (3.2 in)	2021-08-17
Regensburg	Record daily precipitation	34.4 mm (1.4 in)	2021-08-29
Falun	Record daily precipitation	79.5 mm (3.1 in)	2021-08-17
Jarvso	Record daily precipitation	81.5 mm (3.2 in)	2021-08-17
Forse	Record daily precipitation	40.7 mm (1.6 in)	2021-08-17
Bauska	Record daily precipitation	39.9 mm (1.6 in)	2021-08-17

Records per Day

Peak day 120

Records set or tied each day from 13 August 2021 to 30 August 2021. The most in one day was 120 on 17 August 2021.

Records per day during Extreme rain in Sweden and 10 other countries, 13 to 30 August 2021
Date	Records
2021-08-13	1
2021-08-14	1
2021-08-15	8
2021-08-16	34
2021-08-17	120
2021-08-18	60
2021-08-19	11
2021-08-20	4
2021-08-21	5
2021-08-22	6
2021-08-23	10
2021-08-24	72
2021-08-25	42
2021-08-26	17
2021-08-27	30
2021-08-28	18
2021-08-29	59
2021-08-30	8

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in Sweden and 10 other countries, 13 to 30 August 2021 ranked by margin
Falun, 08-17	53.1 mm (2.1 in)
Falkoping, 08-16	35.7 mm (1.4 in)
Kjobli I Snaasa, 08-18	31.8 mm (1.3 in)
Ostas I Hegra, 08-24	31.2 mm (1.2 in)
Artern, 08-29	30.2 mm (1.2 in)
Sandviken, 08-17	29.7 mm (1.2 in)
Landskrona_D, 08-17	29.7 mm (1.2 in)
Bauska, 08-17	28.3 mm (1.1 in)
Gavle-Abyggeby, 08-17	27.5 mm (1.1 in)
Falsterbo, 08-16	25.3 mm (1.0 in)
Hudiksvall, 08-17	24.2 mm (1.0 in)
Ockelbo, 08-17	24.0 mm (0.9 in)
Nyhammar, 08-17	22.8 mm (0.9 in)
Kristianstad, 08-27	20.6 mm (0.8 in)
Leksand, 08-17	18.4 mm (0.7 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

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 Extreme rain in Sweden and 10 other countries, 13 to 30 August 2021
Margin (mm)	Years the old record stood
30	114
23	70
31	91
30	40
32	83
21	130
25	68
36	68
18	80
18	70
24	37
28	24
16	130
30	59
24	28
16	40
53	46
18	35
17	96
28	54
52	51
42	50
24	54
18	80
84	46
18	116
13	104
19	75
29	42
18	24
25	64
17	72
28	35
21	64
22	52
11	120
18	70
21	68
18	68
62	28
26	15
24	31
21	52
23	32
19	71
3	73
8	99
7	112
31	11
33	3
13	84
47	16
10	80
17	59
34	16
11	72
40	4
13	42
23	16
24	36
28	14
39	7
40	7
13	62
16	62
21	35
27	2
13	33
34	7
15	43
5	91
7	37
22	15
3	123
53	0
49	4
10	76
6	41
7	37
23	7
6	86
19	11
25	7
11	12
19	39
23	26
20	32
17	43
14	43
2	104
27	16
10	64
1	123
13	40
24	14
21	10
17	32
12	59
0	100
20	48
13	52
24	3
12	52
11	6
20	10
13	48
14	50
19	0
9	64
9	12
8	72
7	68
18	18
14	36
10	60
8	62
0	96
18	7
22	3
11	52
13	46
12	48
13	36
6	68
15	40
21	18
22	11
3	74
17	14
4	76
14	46
7	72
9	60
23	4
15	26
9	48
9	58
15	14
21	11
6	76
7	58
13	30
18	23
8	58
4	71
24	0
6	1
18	28
17	28
9	48
8	54
7	62
0	57
15	22
9	46
7	44
10	13
13	31
16	35
22	8
12	30
15	24
19	7
17	11
6	48
13	23
14	36
11	44
3	10
11	30
20	35
15	3
6	38
13	30
12	36
4	56
8	48
16	3
3	19
16	31
6	60
17	12
15	7
4	52
6	54
9	52
10	39
19	4
11	32
6	58
2	76
5	59
10	34
5	58
17	7
11	7
5	56
8	18
13	7
3	68

Compared With Other Events

Station records per event

Station records in Extreme rain in Sweden and 10 other countries, 13 to 30 August 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 10 other countries, 13 to 30 August 2021 (this event)	506 records

Every Record Set

20 of 506

Every record set or tied during Extreme rain in Sweden and 10 other countries, 13 to 30 August 2021, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2021-08-16	Falsterbo	Record daily precipitation	52.7 mm (2.1 in)	25.3 mm (1.0 in)	68	68 of 100 (Major)
2021-08-16	Falkoping	Record daily precipitation	57.0 mm (2.2 in)	35.7 mm (1.4 in)	68	67 of 100 (Major)
2021-08-17	Nyhammar	Record daily precipitation	102.6 mm (4.0 in)	22.8 mm (0.9 in)	70	80 of 100 (Exceptional)
2021-08-17	Sandviken	Record daily precipitation	96.0 mm (3.8 in)	29.7 mm (1.2 in)	40	77 of 100 (Major)
2021-08-17	Ludvika	Record daily precipitation	63.9 mm (2.5 in)	17.8 mm (0.7 in)	80	67 of 100 (Major)
2021-08-17	Leksand	Record daily precipitation	55.0 mm (2.2 in)	18.4 mm (0.7 in)	70	67 of 100 (Major)
2021-08-17	Hudiksvall	Record daily precipitation	101.8 mm (4.0 in)	24.2 mm (1.0 in)	37	67 of 100 (Major)
2021-08-17	Gavle-Abyggeby	Record daily precipitation	117.2 mm (4.6 in)	27.5 mm (1.1 in)	24	65 of 100 (Major)
2021-08-17	Landskrona_D	Record daily precipitation	50.9 mm (2.0 in)	29.7 mm (1.2 in)	59	64 of 100 (Major)
2021-08-17	Ockelbo	Record daily precipitation	109.0 mm (4.3 in)	24.0 mm (0.9 in)	28	64 of 100 (Major)
2021-08-17	Delsbo	Record daily precipitation	82.4 mm (3.2 in)	15.6 mm (0.6 in)	40	64 of 100 (Major)
2021-08-17	Falun	Record daily precipitation	79.5 mm (3.1 in)	53.1 mm (2.1 in)	46	63 of 100 (Major)
2021-08-17	Jarvso	Record daily precipitation	81.5 mm (3.2 in)	17.8 mm (0.7 in)	35	63 of 100 (Major)
2021-08-17	Forse	Record daily precipitation	40.7 mm (1.6 in)	17.4 mm (0.7 in)	96	63 of 100 (Major)
2021-08-17	Bauska	Record daily precipitation	39.9 mm (1.6 in)	28.3 mm (1.1 in)	54	62 of 100 (Major)
2021-08-18	Kjobli I Snaasa	Record daily precipitation	50.9 mm (2.0 in)	31.8 mm (1.3 in)	83	74 of 100 (Major)
2021-08-24	Ostas I Hegra	Record daily precipitation	49.2 mm (1.9 in)	31.2 mm (1.2 in)	91	77 of 100 (Major)
2021-08-27	Kristianstad	Record daily precipitation	44.3 mm (1.7 in)	20.6 mm (0.8 in)	130	72 of 100 (Major)
2021-08-29	Artern	Record daily precipitation	37.1 mm (1.5 in)	30.2 mm (1.2 in)	114	80 of 100 (Exceptional)
2021-08-29	Regensburg	Record daily precipitation	34.4 mm (1.4 in)	16.2 mm (0.6 in)	130	64 of 100 (Major)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 506 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
30	114
23	70
31	91
30	40
32	83
21	130
25	68
36	68
18	80
18	70
24	37
28	24
16	130
30	59
24	28
16	40
53	46
18	35
17	96
28	54
52	51
42	50
24	54
18	80
84	46
18	116
13	104
19	75
29	42
18	24
25	64
17	72
28	35
21	64
22	52
11	120
18	70
21	68
18	68
62	28
26	15
24	31
21	52
23	32
19	71
3	73
8	99
7	112
31	11
33	3
13	84
47	16
10	80
17	59
34	16
11	72
40	4
13	42
23	16
24	36
28	14
39	7
40	7
13	62
16	62
21	35
27	2
13	33
34	7
15	43
5	91
7	37
22	15
3	123
53	0
49	4
10	76
6	41
7	37
23	7
6	86
19	11
25	7
11	12
19	39
23	26
20	32
17	43
14	43
2	104
27	16
10	64
1	123
13	40
24	14
21	10
17	32
12	59
0	100
20	48
13	52
24	3
12	52
11	6
20	10
13	48
14	50
19	0
9	64
9	12
8	72
7	68
18	18
14	36
10	60
8	62
0	96
18	7
22	3
11	52
13	46
12	48
13	36
6	68
15	40
21	18
22	11
3	74
17	14
4	76
14	46
7	72
9	60
23	4
15	26
9	48
9	58
15	14
21	11
6	76
7	58
13	30
18	23
8	58
4	71
24	0
6	1
18	28
17	28
9	48
8	54
7	62
0	57
15	22
9	46
7	44
10	13
13	31
16	35
22	8
12	30
15	24
19	7
17	11
6	48
13	23
14	36
11	44
3	10
11	30
20	35
15	3
6	38
13	30
12	36
4	56
8	48
16	3
3	19
16	31
6	60
17	12
15	7
4	52
6	54
9	52
10	39
19	4
11	32
6	58
2	76
5	59
10	34
5	58
17	7
11	7
5	56
8	18
13	7
3	68

Margin (mm)	Years the old record stood
30	114
23	70
31	91
30	40
32	83
21	130
25	68
36	68
18	80
18	70
24	37
28	24
16	130
30	59
24	28
16	40
53	46
18	35
17	96
28	54
52	51
42	50
24	54
18	80
84	46
18	116
13	104
19	75
29	42
18	24
25	64
17	72
28	35
21	64
22	52
11	120
18	70
21	68
18	68
62	28
26	15
24	31
21	52
23	32
19	71
3	73
8	99
7	112
31	11
33	3
13	84
47	16
10	80
17	59
34	16
11	72
40	4
13	42
23	16
24	36
28	14
39	7
40	7
13	62
16	62
21	35
27	2
13	33
34	7
15	43
5	91
7	37
22	15
3	123
53	0
49	4
10	76
6	41
7	37
23	7
6	86
19	11
25	7
11	12
19	39
23	26
20	32
17	43
14	43
2	104
27	16
10	64
1	123
13	40
24	14
21	10
17	32
12	59
0	100
20	48
13	52
24	3
12	52
11	6
20	10
13	48
14	50
19	0
9	64
9	12
8	72
7	68
18	18
14	36
10	60
8	62
0	96
18	7
22	3
11	52
13	46
12	48
13	36
6	68
15	40
21	18
22	11
3	74
17	14
4	76
14	46
7	72
9	60
23	4
15	26
9	48
9	58
15	14
21	11
6	76
7	58
13	30
18	23
8	58
4	71
24	0
6	1
18	28
17	28
9	48
8	54
7	62
0	57
15	22
9	46
7	44
10	13
13	31
16	35
22	8
12	30
15	24
19	7
17	11
6	48
13	23
14	36
11	44
3	10
11	30
20	35
15	3
6	38
13	30
12	36
4	56
8	48
16	3
3	19
16	31
6	60
17	12
15	7
4	52
6	54
9	52
10	39
19	4
11	32
6	58
2	76
5	59
10	34
5	58
17	7
11	7
5	56
8	18
13	7
3	68

Margin (mm)	Years the old record stood
30	114
23	70
31	91
30	40
32	83
21	130
25	68
36	68
18	80
18	70
24	37
28	24
16	130
30	59
24	28
16	40
53	46
18	35
17	96
28	54
52	51
42	50
24	54
18	80
84	46
18	116
13	104
19	75
29	42
18	24
25	64
17	72
28	35
21	64
22	52
11	120
18	70
21	68
18	68
62	28
26	15
24	31
21	52
23	32
19	71
3	73
8	99
7	112
31	11
33	3
13	84
47	16
10	80
17	59
34	16
11	72
40	4
13	42
23	16
24	36
28	14
39	7
40	7
13	62
16	62
21	35
27	2
13	33
34	7
15	43
5	91
7	37
22	15
3	123
53	0
49	4
10	76
6	41
7	37
23	7
6	86
19	11
25	7
11	12
19	39
23	26
20	32
17	43
14	43
2	104
27	16
10	64
1	123
13	40
24	14
21	10
17	32
12	59
0	100
20	48
13	52
24	3
12	52
11	6
20	10
13	48
14	50
19	0
9	64
9	12
8	72
7	68
18	18
14	36
10	60
8	62
0	96
18	7
22	3
11	52
13	46
12	48
13	36
6	68
15	40
21	18
22	11
3	74
17	14
4	76
14	46
7	72
9	60
23	4
15	26
9	48
9	58
15	14
21	11
6	76
7	58
13	30
18	23
8	58
4	71
24	0
6	1
18	28
17	28
9	48
8	54
7	62
0	57
15	22
9	46
7	44
10	13
13	31
16	35
22	8
12	30
15	24
19	7
17	11
6	48
13	23
14	36
11	44
3	10
11	30
20	35
15	3
6	38
13	30
12	36
4	56
8	48
16	3
3	19
16	31
6	60
17	12
15	7
4	52
6	54
9	52
10	39
19	4
11	32
6	58
2	76
5	59
10	34
5	58
17	7
11	7
5	56
8	18
13	7
3	68