Extreme rain in Germany and 20 other countries, 23 August to 2 September 2023

Name: Extreme rain in Germany and 20 other countries, 23 August to 2 September 2023
Start: 2023-08-23
End: 2023-09-02
Location: Germany, Sweden, Finland, Norway, Netherlands, Slovenia, Czech Republic, Italy, Estonia, France, Austria, Latvia, Switzerland, Croatia, Lithuania, Poland, Slovakia, Belgium, Denmark, United Kingdom, Hungary

Extreme rain in Germany and 20 other countries, 23 August to 2 September 2023: 406 records at 357 stations, peak on 28 August 2023. Closed.

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

Key Facts

Extreme rain in Germany and 20 other countries, 23 August to 2 September 2023 set or tied 406 station records at 357 stations.
It ran from 23 August 2023 to 2 September 2023 (11 days) and its peak day was 28 August 2023.
Status: closed.
Ljungby set a daily record precipitation of 48.8 mm (1.9 in) on 26 August 2023.
The busiest day was 28 August 2023 with 111 records.
The oldest broken record in the ranked list had stood for 146 years.

Footprint

23 August to 2 September 2023

The area covered by Extreme rain in Germany and 20 other countries, 23 August to 2 September 2023 is outlined, with 19 of the stations that set records marked, coloured by record type. Made with Natural Earth.

Footprint of Extreme rain in Germany and 20 other countries, 23 August to 2 September 2023: stations that set records in the event
Station	Type	Value	Date
Ljungby	Record daily precipitation	48.8 mm (1.9 in)	2023-08-26
Passau-Maierhof	Record daily precipitation	56.1 mm (2.2 in)	2023-08-26
Westermarkelsdorf/Fehmarn	Record daily precipitation	52.0 mm (2.0 in)	2023-08-25
Emden-Wolthusen	Record daily precipitation	48.0 mm (1.9 in)	2023-08-25
Orje	Record daily precipitation	96.3 mm (3.8 in)	2023-08-26
Boos	Record daily precipitation	76.7 mm (3.0 in)	2023-08-26
Idre_D	Record daily precipitation	35.0 mm (1.4 in)	2023-08-26
Querfurt-Muhle Lodersleben	Record daily precipitation	37.0 mm (1.5 in)	2023-08-25
Al III	Record daily precipitation	43.4 mm (1.7 in)	2023-08-26
Trieste	Record daily precipitation	121.9 mm (4.8 in)	2023-08-28
Artern	Record daily precipitation	66.2 mm (2.6 in)	2023-08-25
Maastricht	Record daily precipitation	50.6 mm (2.0 in)	2023-08-25
Bad Muskau	Record daily precipitation	34.5 mm (1.4 in)	2023-08-28
Freiburg	Record daily precipitation	36.7 mm (1.4 in)	2023-08-24
Hanko Russaro	Record daily precipitation	46.3 mm (1.8 in)	2023-08-26
Kempten	Record daily precipitation	56.5 mm (2.2 in)	2023-08-28
Aldersbach-Kriestorf	Record daily precipitation	37.9 mm (1.5 in)	2023-08-28
Embrun	Record daily precipitation	52.0 mm (2.0 in)	2023-08-27
Kremsmuenster	Record daily precipitation	56.0 mm (2.2 in)	2023-08-28

Records per Day

Peak day 111

Records set or tied each day from 23 August 2023 to 2 September 2023. The most in one day was 111 on 28 August 2023.

Records per day during Extreme rain in Germany and 20 other countries, 23 August to 2 September 2023
Date	Records
2023-08-23	1
2023-08-24	22
2023-08-25	98
2023-08-26	86
2023-08-27	26
2023-08-28	111
2023-08-29	11
2023-08-30	15
2023-08-31	3
2023-09-01	32
2023-09-02	1

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in Germany and 20 other countries, 23 August to 2 September 2023 ranked by margin
Trieste, 08-28	111.0 mm (4.4 in)
Boos, 08-26	43.9 mm (1.7 in)
Westermarkelsdorf/Fehmarn, 08-25	33.4 mm (1.3 in)
Passau-Maierhof, 08-26	30.5 mm (1.2 in)
Embrun, 08-27	29.1 mm (1.1 in)
Ljungby, 08-26	28.9 mm (1.1 in)
Hanko Russaro, 08-26	26.8 mm (1.1 in)
Maastricht, 08-25	24.4 mm (1.0 in)
Emden-Wolthusen, 08-25	24.3 mm (1.0 in)
Orje, 08-26	23.2 mm (0.9 in)
Idre_D, 08-26	22.8 mm (0.9 in)
Aldersbach-Kriestorf, 08-28	22.8 mm (0.9 in)
Querfurt-Muhle Lodersleben, 08-25	22.7 mm (0.9 in)
Al III, 08-26	22.5 mm (0.9 in)
Passau-Maierhof, 08-28	19.4 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

406 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 Germany and 20 other countries, 23 August to 2 September 2023
Margin (mm)	Years the old record stood
29	113
31	113
33	76
24	66
23	14
44	53
23	69
23	68
23	48
19	88
111	46
13	59
15	132
24	64
27	44
19	125
17	96
23	60
16	141
29	42
18	72
28	28
23	42
33	28
20	66
56	26
16	60
36	36
30	12
28	44
35	21
24	33
17	62
21	53
21	28
15	64
14	26
16	64
25	52
13	20
15	36
20	42
7	102
7	113
20	33
23	14
14	66
30	24
6	45
16	22
20	42
24	28
29	68
16	44
16	38
41	52
19	50
28	9
30	28
6	124
14	48
25	37
21	26
6	92
22	37
14	60
25	40
7	117
9	80
21	28
20	22
16	38
21	48
36	17
2	146
10	62
14	68
25	36
22	45
16	28
14	72
20	64
20	21
30	24
15	44
12	64
10	27
30	0
16	34
17	44
20	28
4	66
13	44
26	8
3	92
14	34
8	68
5	80
20	28
53	2
13	27
14	42
16	22
12	68
15	28
9	65
9	0
17	14
13	34
31	25
12	45
28	36
18	16
9	53
12	49
17	17
7	57
41	16
4	62
5	45
20	24
2	78
9	23
10	15
3	52
11	62
5	62
20	5
18	24
9	36
8	53
9	60
6	64
15	14
2	53
7	4
9	53
9	44
2	72
18	8
10	42
8	48
2	60
15	12
8	57
11	22
3	66
16	45
4	65
13	12
1	70
11	26
15	17
4	64
16	29
4	53
3	62
3	62
5	53
9	36
11	24
4	62
14	14
15	14
4	53
24	8
9	44
32	2
15	10
15	5
13	25
10	33
3	1
10	36
4	45
10	20
10	30
6	26
10	25
5	48
1	62
17	25
41	33
17	8
14	28
11	17
8	42
3	57
15	2
9	28
7	44
16	4
6	44
10	21
15	16
17	13
6	41
7	28
2	53
0	65

Compared With Other Events

Station records per event

Station records in Extreme rain in Germany and 20 other countries, 23 August to 2 September 2023 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 Germany and 20 other countries, 23 August to 2 September 2023 (this event)	406 records

Every Record Set

20 of 406

Every record set or tied during Extreme rain in Germany and 20 other countries, 23 August to 2 September 2023, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2023-08-24	Freiburg	Record daily precipitation	36.7 mm (1.4 in)	16.5 mm (0.6 in)	96	57 of 100 (Notable)
2023-08-25	Westermarkelsdorf/Fehmarn	Record daily precipitation	52.0 mm (2.0 in)	33.4 mm (1.3 in)	76	71 of 100 (Major)
2023-08-25	Emden-Wolthusen	Record daily precipitation	48.0 mm (1.9 in)	24.3 mm (1.0 in)	66	64 of 100 (Major)
2023-08-25	Querfurt-Muhle Lodersleben	Record daily precipitation	37.0 mm (1.5 in)	22.7 mm (0.9 in)	68	60 of 100 (Major)
2023-08-25	Artern	Record daily precipitation	66.2 mm (2.6 in)	12.6 mm (0.5 in)	59	58 of 100 (Notable)
2023-08-25	Maastricht	Record daily precipitation	50.6 mm (2.0 in)	24.4 mm (1.0 in)	64	58 of 100 (Notable)
2023-08-26	Ljungby	Record daily precipitation	48.8 mm (1.9 in)	28.9 mm (1.1 in)	113	80 of 100 (Exceptional)
2023-08-26	Passau-Maierhof	Record daily precipitation	56.1 mm (2.2 in)	30.5 mm (1.2 in)	113	77 of 100 (Major)
2023-08-26	Orje	Record daily precipitation	96.3 mm (3.8 in)	23.2 mm (0.9 in)	14	64 of 100 (Major)
2023-08-26	Boos	Record daily precipitation	76.7 mm (3.0 in)	43.9 mm (1.7 in)	53	63 of 100 (Major)
2023-08-26	Idre_D	Record daily precipitation	35.0 mm (1.4 in)	22.8 mm (0.9 in)	69	63 of 100 (Major)
2023-08-26	Al III	Record daily precipitation	43.4 mm (1.7 in)	22.5 mm (0.9 in)	48	60 of 100 (Major)
2023-08-26	Hanko Russaro	Record daily precipitation	46.3 mm (1.8 in)	26.8 mm (1.1 in)	44	57 of 100 (Notable)
2023-08-27	Embrun	Record daily precipitation	52.0 mm (2.0 in)	29.1 mm (1.1 in)	42	56 of 100 (Notable)
2023-08-28	Passau-Maierhof	Record daily precipitation	38.6 mm (1.5 in)	19.4 mm (0.8 in)	88	59 of 100 (Notable)
2023-08-28	Trieste	Record daily precipitation	121.9 mm (4.8 in)	111.0 mm (4.4 in)	46	59 of 100 (Notable)
2023-08-28	Bad Muskau	Record daily precipitation	34.5 mm (1.4 in)	14.7 mm (0.6 in)	132	58 of 100 (Notable)
2023-08-28	Kempten	Record daily precipitation	56.5 mm (2.2 in)	18.9 mm (0.7 in)	125	57 of 100 (Notable)
2023-08-28	Aldersbach-Kriestorf	Record daily precipitation	37.9 mm (1.5 in)	22.8 mm (0.9 in)	60	57 of 100 (Notable)
2023-08-28	Kremsmuenster	Record daily precipitation	56.0 mm (2.2 in)	15.9 mm (0.6 in)	141	56 of 100 (Notable)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 406 records the event counts. The counts above use the full total.

Related Headlines

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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
29	113
31	113
33	76
24	66
23	14
44	53
23	69
23	68
23	48
19	88
111	46
13	59
15	132
24	64
27	44
19	125
17	96
23	60
16	141
29	42
18	72
28	28
23	42
33	28
20	66
56	26
16	60
36	36
30	12
28	44
35	21
24	33
17	62
21	53
21	28
15	64
14	26
16	64
25	52
13	20
15	36
20	42
7	102
7	113
20	33
23	14
14	66
30	24
6	45
16	22
20	42
24	28
29	68
16	44
16	38
41	52
19	50
28	9
30	28
6	124
14	48
25	37
21	26
6	92
22	37
14	60
25	40
7	117
9	80
21	28
20	22
16	38
21	48
36	17
2	146
10	62
14	68
25	36
22	45
16	28
14	72
20	64
20	21
30	24
15	44
12	64
10	27
30	0
16	34
17	44
20	28
4	66
13	44
26	8
3	92
14	34
8	68
5	80
20	28
53	2
13	27
14	42
16	22
12	68
15	28
9	65
9	0
17	14
13	34
31	25
12	45
28	36
18	16
9	53
12	49
17	17
7	57
41	16
4	62
5	45
20	24
2	78
9	23
10	15
3	52
11	62
5	62
20	5
18	24
9	36
8	53
9	60
6	64
15	14
2	53
7	4
9	53
9	44
2	72
18	8
10	42
8	48
2	60
15	12
8	57
11	22
3	66
16	45
4	65
13	12
1	70
11	26
15	17
4	64
16	29
4	53
3	62
3	62
5	53
9	36
11	24
4	62
14	14
15	14
4	53
24	8
9	44
32	2
15	10
15	5
13	25
10	33
3	1
10	36
4	45
10	20
10	30
6	26
10	25
5	48
1	62
17	25
41	33
17	8
14	28
11	17
8	42
3	57
15	2
9	28
7	44
16	4
6	44
10	21
15	16
17	13
6	41
7	28
2	53
0	65

Margin (mm)	Years the old record stood
29	113
31	113
33	76
24	66
23	14
44	53
23	69
23	68
23	48
19	88
111	46
13	59
15	132
24	64
27	44
19	125
17	96
23	60
16	141
29	42
18	72
28	28
23	42
33	28
20	66
56	26
16	60
36	36
30	12
28	44
35	21
24	33
17	62
21	53
21	28
15	64
14	26
16	64
25	52
13	20
15	36
20	42
7	102
7	113
20	33
23	14
14	66
30	24
6	45
16	22
20	42
24	28
29	68
16	44
16	38
41	52
19	50
28	9
30	28
6	124
14	48
25	37
21	26
6	92
22	37
14	60
25	40
7	117
9	80
21	28
20	22
16	38
21	48
36	17
2	146
10	62
14	68
25	36
22	45
16	28
14	72
20	64
20	21
30	24
15	44
12	64
10	27
30	0
16	34
17	44
20	28
4	66
13	44
26	8
3	92
14	34
8	68
5	80
20	28
53	2
13	27
14	42
16	22
12	68
15	28
9	65
9	0
17	14
13	34
31	25
12	45
28	36
18	16
9	53
12	49
17	17
7	57
41	16
4	62
5	45
20	24
2	78
9	23
10	15
3	52
11	62
5	62
20	5
18	24
9	36
8	53
9	60
6	64
15	14
2	53
7	4
9	53
9	44
2	72
18	8
10	42
8	48
2	60
15	12
8	57
11	22
3	66
16	45
4	65
13	12
1	70
11	26
15	17
4	64
16	29
4	53
3	62
3	62
5	53
9	36
11	24
4	62
14	14
15	14
4	53
24	8
9	44
32	2
15	10
15	5
13	25
10	33
3	1
10	36
4	45
10	20
10	30
6	26
10	25
5	48
1	62
17	25
41	33
17	8
14	28
11	17
8	42
3	57
15	2
9	28
7	44
16	4
6	44
10	21
15	16
17	13
6	41
7	28
2	53
0	65

Margin (mm)	Years the old record stood
29	113
31	113
33	76
24	66
23	14
44	53
23	69
23	68
23	48
19	88
111	46
13	59
15	132
24	64
27	44
19	125
17	96
23	60
16	141
29	42
18	72
28	28
23	42
33	28
20	66
56	26
16	60
36	36
30	12
28	44
35	21
24	33
17	62
21	53
21	28
15	64
14	26
16	64
25	52
13	20
15	36
20	42
7	102
7	113
20	33
23	14
14	66
30	24
6	45
16	22
20	42
24	28
29	68
16	44
16	38
41	52
19	50
28	9
30	28
6	124
14	48
25	37
21	26
6	92
22	37
14	60
25	40
7	117
9	80
21	28
20	22
16	38
21	48
36	17
2	146
10	62
14	68
25	36
22	45
16	28
14	72
20	64
20	21
30	24
15	44
12	64
10	27
30	0
16	34
17	44
20	28
4	66
13	44
26	8
3	92
14	34
8	68
5	80
20	28
53	2
13	27
14	42
16	22
12	68
15	28
9	65
9	0
17	14
13	34
31	25
12	45
28	36
18	16
9	53
12	49
17	17
7	57
41	16
4	62
5	45
20	24
2	78
9	23
10	15
3	52
11	62
5	62
20	5
18	24
9	36
8	53
9	60
6	64
15	14
2	53
7	4
9	53
9	44
2	72
18	8
10	42
8	48
2	60
15	12
8	57
11	22
3	66
16	45
4	65
13	12
1	70
11	26
15	17
4	64
16	29
4	53
3	62
3	62
5	53
9	36
11	24
4	62
14	14
15	14
4	53
24	8
9	44
32	2
15	10
15	5
13	25
10	33
3	1
10	36
4	45
10	20
10	30
6	26
10	25
5	48
1	62
17	25
41	33
17	8
14	28
11	17
8	42
3	57
15	2
9	28
7	44
16	4
6	44
10	21
15	16
17	13
6	41
7	28
2	53
0	65