Extreme rain in Sweden and 2 other countries, 26 December 2020 to 2 January 2021

Name: Extreme rain in Sweden and 2 other countries, 26 December 2020 to 2 January 2021
Start: 2020-12-26
End: 2021-01-02
Location: Sweden, Norway, Finland

Extreme rain in Sweden and 2 other countries, 26 December 2020 to 2 January 2021: 256 records at 190 stations, peak on 27 December 2020. Closed.

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

Key Facts

Extreme rain in Sweden and 2 other countries, 26 December 2020 to 2 January 2021 set or tied 256 station records at 190 stations.
It ran from 26 December 2020 to 2 January 2021 (8 days) and its peak day was 27 December 2020.
Status: closed.
Bjornholt set a daily record precipitation of 64.5 mm (2.5 in) on 27 December 2020.
The busiest day was 27 December 2020 with 104 records.
The oldest broken record in the ranked list had stood for 134 years.

Footprint

26 December 2020 to 2 January 2021

The area covered by Extreme rain in Sweden and 2 other countries, 26 December 2020 to 2 January 2021 is outlined, with 18 of the stations that set records marked, coloured by record type. Made with Natural Earth.

Footprint of Extreme rain in Sweden and 2 other countries, 26 December 2020 to 2 January 2021: stations that set records in the event
Station	Type	Value	Date
Bjornholt	Record daily precipitation	64.5 mm (2.5 in)	2020-12-27
Rjukan	Record daily precipitation	35.0 mm (1.4 in)	2020-12-27
Tryvasshogda	Record daily precipitation	46.4 mm (1.8 in)	2020-12-27
Vannas	Record daily precipitation	34.9 mm (1.4 in)	2020-12-27
Sandefjord	Record daily precipitation	55.0 mm (2.2 in)	2020-12-27
Hedrum	Record daily precipitation	63.0 mm (2.5 in)	2020-12-27
Biri	Record daily precipitation	32.3 mm (1.3 in)	2020-12-27
Lunner	Record daily precipitation	34.1 mm (1.3 in)	2020-12-27
Asker	Record daily precipitation	55.5 mm (2.2 in)	2020-12-27
Skedsmo-Hellerud	Record daily precipitation	26.6 mm (1.0 in)	2020-12-29
Hakavik	Record daily precipitation	68.6 mm (2.7 in)	2020-12-27
Sarpsborg	Record daily precipitation	24.0 mm (0.9 in)	2020-12-27
Haparanda	Record daily precipitation	19.2 mm (0.8 in)	2020-12-27
Kalix_D	Record daily precipitation	23.7 mm (0.9 in)	2020-12-27
Murjek	Record daily precipitation	16.5 mm (0.6 in)	2020-12-27
Tarendo	Record daily precipitation	18.7 mm (0.7 in)	2020-12-27
Hedal I Valdres II	Record daily precipitation	22.7 mm (0.9 in)	2020-12-29
Olands Sodra Udde	Record daily precipitation	16.4 mm (0.6 in)	2020-12-29

Records per Day

Peak day 104

Records set or tied each day from 26 December 2020 to 2 January 2021. The most in one day was 104 on 27 December 2020.

Records per day during Extreme rain in Sweden and 2 other countries, 26 December 2020 to 2 January 2021
Date	Records
2020-12-26	53
2020-12-27	104
2020-12-28	41
2020-12-29	26
2020-12-30	12
2020-12-31	4
2021-01-01	14
2021-01-02	2

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in Sweden and 2 other countries, 26 December 2020 to 2 January 2021 ranked by margin
Sandefjord, 12-27	33.4 mm (1.3 in)
Asker, 12-27	32.7 mm (1.3 in)
Tryvasshogda, 12-27	32.4 mm (1.3 in)
Hedrum, 12-27	31.9 mm (1.3 in)
Bjornholt, 12-27	27.2 mm (1.1 in)
Vannas, 12-27	25.0 mm (1.0 in)
Rjukan, 12-27	20.7 mm (0.8 in)
Lunner, 12-27	18.0 mm (0.7 in)
Skedsmo-Hellerud, 12-29	16.5 mm (0.6 in)
Rjukan, 12-28	14.0 mm (0.6 in)
Hedal I Valdres II, 12-29	12.9 mm (0.5 in)
Hakavik, 12-27	12.2 mm (0.5 in)
Lunner, 12-26	11.1 mm (0.4 in)
Kalix_D, 12-27	11.0 mm (0.4 in)
Biri, 12-27	10.2 mm (0.4 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

256 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 2 other countries, 26 December 2020 to 2 January 2021
Margin (mm)	Years the old record stood
27	96
21	69
32	61
25	55
33	53
32	41
10	96
11	65
18	43
7	73
14	5
33	18
10	47
5	54
13	41
17	41
12	54
3	134
6	96
11	60
31	43
22	41
11	20
7	57
11	30
9	17
8	17
10	60
2	120
14	43
7	34
7	60
6	45
6	55
17	20
2	96
4	71
6	64
10	53
7	46
1	98
11	43
3	53
4	45
7	53
6	41
15	7
18	11
12	30
7	65
4	65
7	17
9	41
14	17
28	16
5	54
5	67
5	53
1	61
10	30
6	52
4	45
16	7
9	30
8	43
23	16
2	71
7	17
9	11
5	43
4	17
0	79
9	30
3	60
5	59
4	60
2	73
4	65
4	54
2	65
14	3
0	69
7	49
2	61
2	67
2	65
5	17
2	61
20	30
1	73
3	42
1	68
12	15
3	55
4	53
5	13
10	15
2	52
4	41
8	18
2	53
0	71
3	51
6	17
9	23
10	21
6	30
0	60
6	41
12	30
7	7
2	55
0	44
1	59
8	30
3	17
1	61
3	17
9	30
1	61
10	7
6	9
2	53
1	65
1	57
4	17
1	60
7	30
10	41
8	30
2	42
2	55
7	20
5	30
3	53
5	7
1	56
1	37
3	41
1	54
4	17
7	2
5	32
5	23
3	17
8	18
2	41
1	53
5	30
2	41
2	41
5	20
6	7
1	53
5	17
3	17
3	33
12	7
2	34
4	22
5	30
4	13
1	43
3	23
6	17
5	20
3	30
6	19
6	3
3	20
0	46
1	43
2	41
1	34
1	34
2	13
2	17
3	17
5	17
0	43
5	18
5	5
3	17
1	37
4	22
4	3
0	45
3	17
3	17
6	3
2	17
4	2
6	17
2	17
7	3
3	30
3	30
3	22
3	18
1	30

Compared With Other Events

Station records per event

Station records in Extreme rain in Sweden and 2 other countries, 26 December 2020 to 2 January 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 2 other countries, 26 December 2020 to 2 January 2021 (this event)	256 records

Every Record Set

20 of 256

Every record set or tied during Extreme rain in Sweden and 2 other countries, 26 December 2020 to 2 January 2021, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2020-12-26	Lunner	Record daily precipitation	29.2 mm (1.1 in)	11.1 mm (0.4 in)	60	47 of 100 (Notable)
2020-12-27	Bjornholt	Record daily precipitation	64.5 mm (2.5 in)	27.2 mm (1.1 in)	96	72 of 100 (Major)
2020-12-27	Rjukan	Record daily precipitation	35.0 mm (1.4 in)	20.7 mm (0.8 in)	69	70 of 100 (Major)
2020-12-27	Tryvasshogda	Record daily precipitation	46.4 mm (1.8 in)	32.4 mm (1.3 in)	61	65 of 100 (Major)
2020-12-27	Vannas	Record daily precipitation	34.9 mm (1.4 in)	25.0 mm (1.0 in)	55	63 of 100 (Major)
2020-12-27	Sandefjord	Record daily precipitation	55.0 mm (2.2 in)	33.4 mm (1.3 in)	53	61 of 100 (Major)
2020-12-27	Hedrum	Record daily precipitation	63.0 mm (2.5 in)	31.9 mm (1.3 in)	41	60 of 100 (Major)
2020-12-27	Biri	Record daily precipitation	32.3 mm (1.3 in)	10.2 mm (0.4 in)	96	59 of 100 (Notable)
2020-12-27	Lunner	Record daily precipitation	34.1 mm (1.3 in)	18.0 mm (0.7 in)	43	54 of 100 (Notable)
2020-12-27	Asker	Record daily precipitation	55.5 mm (2.2 in)	32.7 mm (1.3 in)	18	51 of 100 (Notable)
2020-12-27	Hakavik	Record daily precipitation	68.6 mm (2.7 in)	12.2 mm (0.5 in)	54	48 of 100 (Notable)
2020-12-27	Sarpsborg	Record daily precipitation	24.0 mm (0.9 in)	5.5 mm (0.22 in)	96	20 of 100 (Routine)
2020-12-27	Haparanda	Record daily precipitation	19.2 mm (0.8 in)	2.9 mm (0.11 in)	134	20 of 100 (Routine)
2020-12-27	Kalix_D	Record daily precipitation	23.7 mm (0.9 in)	11.0 mm (0.4 in)	65	20 of 100 (Routine)
2020-12-27	Murjek	Record daily precipitation	16.5 mm (0.6 in)	9.8 mm (0.39 in)	47	20 of 100 (Routine)
2020-12-27	Tarendo	Record daily precipitation	18.7 mm (0.7 in)	4.6 mm (0.18 in)	54	20 of 100 (Routine)
2020-12-28	Rjukan	Record daily precipitation	50.0 mm (2.0 in)	14.0 mm (0.6 in)	5	52 of 100 (Notable)
2020-12-29	Skedsmo-Hellerud	Record daily precipitation	26.6 mm (1.0 in)	16.5 mm (0.6 in)	41	49 of 100 (Notable)
2020-12-29	Hedal I Valdres II	Record daily precipitation	22.7 mm (0.9 in)	12.9 mm (0.5 in)	41	20 of 100 (Routine)
2020-12-29	Olands Sodra Udde	Record daily precipitation	16.4 mm (0.6 in)	7.1 mm (0.28 in)	73	20 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 256 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
27	96
21	69
32	61
25	55
33	53
32	41
10	96
11	65
18	43
7	73
14	5
33	18
10	47
5	54
13	41
17	41
12	54
3	134
6	96
11	60
31	43
22	41
11	20
7	57
11	30
9	17
8	17
10	60
2	120
14	43
7	34
7	60
6	45
6	55
17	20
2	96
4	71
6	64
10	53
7	46
1	98
11	43
3	53
4	45
7	53
6	41
15	7
18	11
12	30
7	65
4	65
7	17
9	41
14	17
28	16
5	54
5	67
5	53
1	61
10	30
6	52
4	45
16	7
9	30
8	43
23	16
2	71
7	17
9	11
5	43
4	17
0	79
9	30
3	60
5	59
4	60
2	73
4	65
4	54
2	65
14	3
0	69
7	49
2	61
2	67
2	65
5	17
2	61
20	30
1	73
3	42
1	68
12	15
3	55
4	53
5	13
10	15
2	52
4	41
8	18
2	53
0	71
3	51
6	17
9	23
10	21
6	30
0	60
6	41
12	30
7	7
2	55
0	44
1	59
8	30
3	17
1	61
3	17
9	30
1	61
10	7
6	9
2	53
1	65
1	57
4	17
1	60
7	30
10	41
8	30
2	42
2	55
7	20
5	30
3	53
5	7
1	56
1	37
3	41
1	54
4	17
7	2
5	32
5	23
3	17
8	18
2	41
1	53
5	30
2	41
2	41
5	20
6	7
1	53
5	17
3	17
3	33
12	7
2	34
4	22
5	30
4	13
1	43
3	23
6	17
5	20
3	30
6	19
6	3
3	20
0	46
1	43
2	41
1	34
1	34
2	13
2	17
3	17
5	17
0	43
5	18
5	5
3	17
1	37
4	22
4	3
0	45
3	17
3	17
6	3
2	17
4	2
6	17
2	17
7	3
3	30
3	30
3	22
3	18
1	30

Margin (mm)	Years the old record stood
27	96
21	69
32	61
25	55
33	53
32	41
10	96
11	65
18	43
7	73
14	5
33	18
10	47
5	54
13	41
17	41
12	54
3	134
6	96
11	60
31	43
22	41
11	20
7	57
11	30
9	17
8	17
10	60
2	120
14	43
7	34
7	60
6	45
6	55
17	20
2	96
4	71
6	64
10	53
7	46
1	98
11	43
3	53
4	45
7	53
6	41
15	7
18	11
12	30
7	65
4	65
7	17
9	41
14	17
28	16
5	54
5	67
5	53
1	61
10	30
6	52
4	45
16	7
9	30
8	43
23	16
2	71
7	17
9	11
5	43
4	17
0	79
9	30
3	60
5	59
4	60
2	73
4	65
4	54
2	65
14	3
0	69
7	49
2	61
2	67
2	65
5	17
2	61
20	30
1	73
3	42
1	68
12	15
3	55
4	53
5	13
10	15
2	52
4	41
8	18
2	53
0	71
3	51
6	17
9	23
10	21
6	30
0	60
6	41
12	30
7	7
2	55
0	44
1	59
8	30
3	17
1	61
3	17
9	30
1	61
10	7
6	9
2	53
1	65
1	57
4	17
1	60
7	30
10	41
8	30
2	42
2	55
7	20
5	30
3	53
5	7
1	56
1	37
3	41
1	54
4	17
7	2
5	32
5	23
3	17
8	18
2	41
1	53
5	30
2	41
2	41
5	20
6	7
1	53
5	17
3	17
3	33
12	7
2	34
4	22
5	30
4	13
1	43
3	23
6	17
5	20
3	30
6	19
6	3
3	20
0	46
1	43
2	41
1	34
1	34
2	13
2	17
3	17
5	17
0	43
5	18
5	5
3	17
1	37
4	22
4	3
0	45
3	17
3	17
6	3
2	17
4	2
6	17
2	17
7	3
3	30
3	30
3	22
3	18
1	30

Margin (mm)	Years the old record stood
27	96
21	69
32	61
25	55
33	53
32	41
10	96
11	65
18	43
7	73
14	5
33	18
10	47
5	54
13	41
17	41
12	54
3	134
6	96
11	60
31	43
22	41
11	20
7	57
11	30
9	17
8	17
10	60
2	120
14	43
7	34
7	60
6	45
6	55
17	20
2	96
4	71
6	64
10	53
7	46
1	98
11	43
3	53
4	45
7	53
6	41
15	7
18	11
12	30
7	65
4	65
7	17
9	41
14	17
28	16
5	54
5	67
5	53
1	61
10	30
6	52
4	45
16	7
9	30
8	43
23	16
2	71
7	17
9	11
5	43
4	17
0	79
9	30
3	60
5	59
4	60
2	73
4	65
4	54
2	65
14	3
0	69
7	49
2	61
2	67
2	65
5	17
2	61
20	30
1	73
3	42
1	68
12	15
3	55
4	53
5	13
10	15
2	52
4	41
8	18
2	53
0	71
3	51
6	17
9	23
10	21
6	30
0	60
6	41
12	30
7	7
2	55
0	44
1	59
8	30
3	17
1	61
3	17
9	30
1	61
10	7
6	9
2	53
1	65
1	57
4	17
1	60
7	30
10	41
8	30
2	42
2	55
7	20
5	30
3	53
5	7
1	56
1	37
3	41
1	54
4	17
7	2
5	32
5	23
3	17
8	18
2	41
1	53
5	30
2	41
2	41
5	20
6	7
1	53
5	17
3	17
3	33
12	7
2	34
4	22
5	30
4	13
1	43
3	23
6	17
5	20
3	30
6	19
6	3
3	20
0	46
1	43
2	41
1	34
1	34
2	13
2	17
3	17
5	17
0	43
5	18
5	5
3	17
1	37
4	22
4	3
0	45
3	17
3	17
6	3
2	17
4	2
6	17
2	17
7	3
3	30
3	30
3	22
3	18
1	30