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Built 2026-10-19 (19 October 2026)

Cold outbreak in Sweden and 14 other countries, 16 to 28 August 2021

Cold outbreak in Sweden and 14 other countries, 16 to 28 August 2021: 180 records at 149 stations, peak on 24 August 2021. Closed.

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

Key Facts

  • Cold outbreak in Sweden and 14 other countries, 16 to 28 August 2021 set or tied 180 station records at 149 stations.
  • It ran from 16 August 2021 to 28 August 2021 (13 days) and its peak day was 24 August 2021.
  • Status: closed.
  • Narva set a daily record low maximum temperature of 13.0 C (55.4 F) on 25 August 2021.
  • The busiest day was 24 August 2021 with 31 records.
  • The oldest broken record in the ranked list had stood for 96 years.

Footprint

16 to 28 August 2021
Footprint of Cold outbreak in Sweden and 14 other countries, 16 to 28 August 2021 The area covered by Cold outbreak in Sweden and 14 other countries, 16 to 28 August 2021 is outlined, with 19 of the stations that set records marked, coloured by record type.
The area covered by Cold outbreak in Sweden and 14 other countries, 16 to 28 August 2021 is outlined, with 19 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Cold outbreak in Sweden and 14 other countries, 16 to 28 August 2021: stations that set records in the event
StationTypeValueDate
NarvaRecord low maximum temperature13.0 C (55.4 F)2021-08-25
Arvidsjaur_ARecord low minimum temperature-0.3 C (31.5 F)2021-08-24
PiteaRecord low minimum temperature0.8 C (33.4 F)2021-08-24
BodenRecord low minimum temperature-0.6 C (30.9 F)2021-08-24
Dresden-StrehlenRecord low maximum temperature15.9 C (60.6 F)2021-08-27
Lista FyrRecord low minimum temperature7.2 C (45.0 F)2021-08-22
PirmasensRecord low minimum temperature8.0 C (46.4 F)2021-08-17
DrevsjoRecord low minimum temperature-3.0 C (26.6 F)2021-08-22
GenthinRecord low minimum temperature3.7 C (38.7 F)2021-08-25
BergeRecord low minimum temperature5.5 C (41.9 F)2021-08-25
Hallands_VaderoRecord low minimum temperature10.4 C (50.7 F)2021-08-22
Vaala PelsoRecord low maximum temperature9.1 C (48.4 F)2021-08-23
Visby_FlygplatsRecord low minimum temperature4.3 C (39.7 F)2021-08-23
Novi SadRecord low maximum temperature17.2 C (63.0 F)2021-08-27
StottenRecord low minimum temperature7.2 C (45.0 F)2021-08-17
Bad LauchstadtRecord low maximum temperature15.9 C (60.6 F)2021-08-23
TuriRecord low maximum temperature13.7 C (56.7 F)2021-08-24
KyritzRecord low maximum temperature16.7 C (62.1 F)2021-08-17
OxelosundRecord low minimum temperature7.0 C (44.6 F)2021-08-24

Records per Day

Peak day 31
Records per day during Cold outbreak in Sweden and 14 other countries, 16 to 28 August 2021 Records set or tied each day from 16 August 2021 to 28 August 2021. The most in one day was 31 on 24 August 2021. 0 10 20 30 40 08-1608-1808-2008-2208-2408-2608-28
Records set or tied each day from 16 August 2021 to 28 August 2021. The most in one day was 31 on 24 August 2021.
Records per day during Cold outbreak in Sweden and 14 other countries, 16 to 28 August 2021
DateRecords
2021-08-166
2021-08-1730
2021-08-188
2021-08-192
2021-08-202
2021-08-211
2021-08-2217
2021-08-2326
2021-08-2431
2021-08-2521
2021-08-2611
2021-08-2714
2021-08-2811

Top Records by Margin

Margin over the record replaced
Top records of Cold outbreak in Sweden and 14 other countries, 16 to 28 August 2021 ranked by margin
Boden, 08-244.0 C (7.2 F)
Arvidsjaur_A, 08-243.2 C (5.8 F)
Visby_Flygplats, 08-232.8 C (5.0 F)
Genthin, 08-252.3 C (4.1 F)
Pitea, 08-242.2 C (4.0 F)
Novi Sad, 08-272.2 C (4.0 F)
Lista Fyr, 08-221.8 C (3.2 F)
Drevsjo, 08-221.5 C (2.7 F)
Vaala Pelso, 08-231.4 C (2.5 F)
Dresden-Strehlen, 08-271.1 C (2.0 F)
Pirmasens, 08-170.9 C (1.6 F)
Berge, 08-250.9 C (1.6 F)
Turi, 08-240.9 C (1.6 F)
Hallands_Vadero, 08-220.7 C (1.3 F)
Narva, 08-250.6 C (1.1 F)

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

Margin Against Age of the Broken Record

Margin against age of the broken record in Cold outbreak in Sweden and 14 other countries, 16 to 28 August 2021 180 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. 0 25 50 75 100 0.01.02.03.04.0 Margin (C) Years the old record stood
180 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 Cold outbreak in Sweden and 14 other countries, 16 to 28 August 2021
Margin (C)Years the old record stood
0.696
3.275
2.264
4.055
1.183
1.860
0.472
2.350
0.960
0.964
1.560
1.460
2.256
2.822
0.758
0.955
0.560
0.264
0.460
0.356
1.048
0.952
0.952
1.544
0.359
0.450
0.252
0.156
0.152
1.348
0.854
0.159
0.948
0.155
0.252
0.255
1.044
1.644
0.640
0.540
0.448
2.344
0.248
1.242
0.355
2.134
1.340
0.644
0.348
0.148
0.348
0.340
1.631
1.040
0.540
1.536
0.248
0.644
0.346
1.134
0.540
2.028
0.140
1.046
0.143
0.638
0.140
0.940
0.744
2.036
0.135
0.142
0.334
0.934
0.235
1.523
0.440
0.238
0.635
0.342
0.734
0.134
0.432
0.142
0.135
1.035
0.134
0.235
1.028
0.634
0.832
1.622
0.242
1.232
0.635
0.228
1.334
1.231
0.135
0.834
0.332
0.128
0.928
0.332
0.932
0.534
0.434
2.122
0.134
0.228
0.924
0.523
0.535
0.935
2.216
1.112
0.922
0.334
0.532
2.46
2.112
2.48
0.232
1.712
0.331
1.423
0.218
0.922
1.111
0.422
0.622
1.223
0.128
0.224
0.97
0.411
1.04
1.28
0.823
0.17
1.116
0.723
1.44
0.623
0.623
1.08
0.323
0.323
0.916
0.323
0.122
0.423
1.43
1.012
0.422
0.616
0.57
0.114
0.32
0.17
0.612
1.76
1.07
1.04
0.44
0.211
0.512
0.47
0.411
0.17
0.64
0.311
0.112
0.72
0.56
0.56
0.44
0.10
0.16
0.26

Compared With Other Events

Station records per event
Station records in Cold outbreak in Sweden and 14 other countries, 16 to 28 August 2021 compared with similar events
Cold outbreak in United States and Mexico, 6 February to 5 March 202112,118 records
Cold outbreak in United States and Mexico, 13 October to 5 November 20209,841 records
Cold outbreak in United States and Mexico, 23 December 2017 to 8 January 20188,263 records
Cold outbreak in United States and Mexico, 3 to 23 January 20247,675 records
Cold outbreak in United States, 15 January to 10 February 20265,568 records
Cold outbreak in Sweden and 14 other countries, 16 to 28 August 2021 (this event)180 records

Every Record Set

20 of 180
Every record set or tied during Cold outbreak in Sweden and 14 other countries, 16 to 28 August 2021, in date order
DateStationRecordValueMarginYears stoodSignificance
2021-08-17PirmasensRecord low minimum temperature8.0 C (46.4 F)0.9 C (1.6 F)6028 of 100 (Routine)
2021-08-17StottenRecord low minimum temperature7.2 C (45.0 F)0.5 C (0.9 F)6026 of 100 (Routine)
2021-08-17KyritzRecord low maximum temperature16.7 C (62.1 F)0.4 C (0.7 F)6025 of 100 (Routine)
2021-08-22Lista FyrRecord low minimum temperature7.2 C (45.0 F)1.8 C (3.2 F)6031 of 100 (Routine)
2021-08-22DrevsjoRecord low minimum temperature-3.0 C (26.6 F)1.5 C (2.7 F)6028 of 100 (Routine)
2021-08-22Hallands_VaderoRecord low minimum temperature10.4 C (50.7 F)0.7 C (1.3 F)5827 of 100 (Routine)
2021-08-23Vaala PelsoRecord low maximum temperature9.1 C (48.4 F)1.4 C (2.5 F)6027 of 100 (Routine)
2021-08-23Visby_FlygplatsRecord low minimum temperature4.3 C (39.7 F)2.8 C (5.0 F)2227 of 100 (Routine)
2021-08-23Bad LauchstadtRecord low maximum temperature15.9 C (60.6 F)0.2 C (0.4 F)6426 of 100 (Routine)
2021-08-24Arvidsjaur_ARecord low minimum temperature-0.3 C (31.5 F)3.2 C (5.8 F)7538 of 100 (Notable)
2021-08-24PiteaRecord low minimum temperature0.8 C (33.4 F)2.2 C (4.0 F)6436 of 100 (Notable)
2021-08-24BodenRecord low minimum temperature-0.6 C (30.9 F)4.0 C (7.2 F)5535 of 100 (Notable)
2021-08-24TuriRecord low maximum temperature13.7 C (56.7 F)0.9 C (1.6 F)5526 of 100 (Routine)
2021-08-24OxelosundRecord low minimum temperature7.0 C (44.6 F)0.3 C (0.5 F)5625 of 100 (Routine)
2021-08-25NarvaRecord low maximum temperature13.0 C (55.4 F)0.6 C (1.1 F)9640 of 100 (Notable)
2021-08-25GenthinRecord low minimum temperature3.7 C (38.7 F)2.3 C (4.1 F)5028 of 100 (Routine)
2021-08-25BergeRecord low minimum temperature5.5 C (41.9 F)0.9 C (1.6 F)6428 of 100 (Routine)
2021-08-27Dresden-StrehlenRecord low maximum temperature15.9 C (60.6 F)1.1 C (2.0 F)8334 of 100 (Routine)
2021-08-27Novi SadRecord low maximum temperature17.2 C (63.0 F)2.2 C (4.0 F)5627 of 100 (Routine)
2021-08-28Dresden-StrehlenRecord low maximum temperature17.0 C (62.6 F)0.4 C (0.7 F)7229 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 180 records the event counts. The counts above use the full total.

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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.