Daily records
Page built 2026-10-19
Data as of 2026-10-17
Search
Built 2026-10-19 (19 October 2026)

Heat wave in Mali and 8 other countries, 26 December 2020 to 14 January 2021

Heat wave in Mali and 8 other countries, 26 December 2020 to 14 January 2021: 339 records at 57 stations, peak on 6 January 2021. Closed.

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

Key Facts

  • Heat wave in Mali and 8 other countries, 26 December 2020 to 14 January 2021 set or tied 339 station records at 57 stations.
  • It ran from 26 December 2020 to 14 January 2021 (20 days) and its peak day was 6 January 2021.
  • Status: closed.
  • N'Guigni set a daily record high maximum temperature of 37.2 C (99.0 F) on 4 January 2021.
  • The busiest day was 5 January 2021 with 39 records.
  • The oldest broken record in the ranked list had stood for 93 years.

Footprint

26 December 2020 to 14 January 2021
Footprint of Heat wave in Mali and 8 other countries, 26 December 2020 to 14 January 2021 The area covered by Heat wave in Mali and 8 other countries, 26 December 2020 to 14 January 2021 is outlined, with 10 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in Mali and 8 other countries, 26 December 2020 to 14 January 2021 is outlined, with 10 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Heat wave in Mali and 8 other countries, 26 December 2020 to 14 January 2021: stations that set records in the event
StationTypeValueDate
N'GuigniRecord high maximum temperature37.2 C (99.0 F)2021-01-04
SokodeRecord high maximum temperature37.4 C (99.3 F)2021-01-06
ZinderRecord high maximum temperature38.0 C (100.4 F)2021-01-06
Niamey AeroRecord high maximum temperature39.5 C (103.1 F)2021-01-08
Birni N'KonniRecord high minimum temperature21.6 C (70.9 F)2021-01-08
Kayes/Dag-DagRecord high maximum temperature40.1 C (104.2 F)2021-01-09
TillaberyRecord high maximum temperature38.4 C (101.1 F)2021-01-10
NatitingouRecord high maximum temperature38.5 C (101.3 F)2021-01-07
AgadezRecord high maximum temperature37.0 C (98.6 F)2021-01-07
SanRecord high maximum temperature40.0 C (104.0 F)2021-01-10

Records per Day

Peak day 37
Records per day during Heat wave in Mali and 8 other countries, 26 December 2020 to 14 January 2021 Records set or tied each day from 26 December 2020 to 14 January 2021. The most in one day was 39 on 5 January 2021. 0 10 20 30 40 12-2612-2812-3001-0101-0301-0501-0701-0901-1101-13
Records set or tied each day from 26 December 2020 to 14 January 2021. The most in one day was 39 on 5 January 2021.
Records per day during Heat wave in Mali and 8 other countries, 26 December 2020 to 14 January 2021
DateRecords
2020-12-261
2020-12-271
2020-12-282
2020-12-292
2020-12-302
2020-12-315
2021-01-0114
2021-01-0218
2021-01-0331
2021-01-0436
2021-01-0539
2021-01-0637
2021-01-0733
2021-01-0839
2021-01-0933
2021-01-1024
2021-01-1114
2021-01-123
2021-01-133
2021-01-142

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in Mali and 8 other countries, 26 December 2020 to 14 January 2021 ranked by margin
Agadez, 01-073.1 C (5.6 F)
Kayes/Dag-Dag, 01-092.9 C (5.2 F)
San, 01-102.8 C (5.0 F)
N'Guigni, 01-042.2 C (4.0 F)
N'Guigni, 01-062.0 C (3.6 F)
N'Guigni, 01-072.0 C (3.6 F)
Birni N'Konni, 01-072.0 C (3.6 F)
Birni N'Konni, 01-081.6 C (2.9 F)
Sokode, 01-061.4 C (2.5 F)
Birni N'Konni, 01-081.3 C (2.3 F)
Zinder, 01-061.0 C (1.8 F)
Niamey Aero, 01-081.0 C (1.8 F)
Sokode, 01-091.0 C (1.8 F)
Niamey Aero, 01-091.0 C (1.8 F)
Natitingou, 01-071.0 C (1.8 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 Heat wave in Mali and 8 other countries, 26 December 2020 to 14 January 2021 339 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 0.02.04.06.08.0 Margin (C) Years the old record stood
339 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 Heat wave in Mali and 8 other countries, 26 December 2020 to 14 January 2021
Margin (C)Years the old record stood
2.283
2.083
2.083
1.475
0.293
1.083
1.080
1.671
0.680
2.068
0.183
2.963
0.482
1.072
1.072
1.067
2.854
1.368
3.156
0.475
0.375
0.671
0.275
0.175
2.742
0.565
0.170
1.068
2.063
1.448
0.272
1.163
2.148
0.271
2.056
0.567
0.866
0.172
0.963
1.063
0.368
2.056
3.048
1.052
0.952
0.759
2.343
1.648
6.325
0.363
2.044
2.139
0.753
0.563
0.563
1.651
1.551
1.544
2.628
0.748
0.845
1.448
3.724
3.824
2.048
0.852
1.054
1.748
0.848
2.148
0.648
0.351
1.543
1.441
0.848
1.336
3.524
0.455
1.151
1.444
1.648
1.848
1.244
3.025
2.825
2.324
1.239
2.425
1.043
0.545
0.248
0.648
0.748
1.346
0.851
1.645
2.536
2.736
1.048
1.243
1.239
2.724
1.928
1.043
3.89
1.531
1.836
4.324
2.236
1.048
1.046
0.448
0.948
0.948
4.84
1.239
1.039
3.47
1.925
0.642
2.824
3.617
0.251
0.744
0.836
2.916
2.921
0.448
0.644
1.043
0.742
0.939
0.544
1.236
1.131
1.825
3.67
0.541
2.219
0.939
1.328
1.625
1.624
2.324
3.025
2.625
2.124
0.139
0.936
2.015
1.924
2.710
0.241
2.77
0.331
2.617
0.734
0.79
1.536
0.924
0.148
2.025
1.824
1.925
2.318
1.024
2.99
0.239
0.828
0.828
0.143
0.243
1.325
1.625
1.028
1.028
1.325
0.25
1.424
0.536
0.436
0.736
1.717
1.624
1.537
1.424
0.738
0.534
1.824
1.428
1.824
1.724
2.024
2.224
1.824
0.917
0.928
1.131
0.437
2.94

Compared With Other Events

Station records per event
Station records in Heat wave in Mali and 8 other countries, 26 December 2020 to 14 January 2021 compared with similar events
Heat wave in United States and Mexico, 16 January to 14 February 20249,869 records
Heat wave in United States, 28 January to 24 February 20266,528 records
Heat wave in United States and Mexico, 24 May to 19 June 20205,047 records
Heat wave in United States and Mexico, 26 March to 17 April 20213,669 records
Heat wave in Germany and 49 other countries, 18 December 2021 to 15 January 20223,626 records
Heat wave in Mali and 8 other countries, 26 December 2020 to 14 January 2021 (this event)339 records

Every Record Set

20 of 339
Every record set or tied during Heat wave in Mali and 8 other countries, 26 December 2020 to 14 January 2021, in date order
DateStationRecordValueMarginYears stoodSignificance
2021-01-04N'GuigniRecord high maximum temperature37.2 C (99.0 F)2.2 C (4.0 F)8338 of 100 (Notable)
2021-01-04Niamey AeroRecord high maximum temperature38.7 C (101.7 F)0.6 C (1.1 F)8034 of 100 (Routine)
2021-01-05ZinderRecord high maximum temperature37.7 C (99.9 F)0.1 C (0.2 F)8334 of 100 (Routine)
2021-01-06N'GuigniRecord high maximum temperature39.0 C (102.2 F)2.0 C (3.6 F)8337 of 100 (Notable)
2021-01-06SokodeRecord high maximum temperature37.4 C (99.3 F)1.4 C (2.5 F)7537 of 100 (Notable)
2021-01-06N'GuigniRecord high minimum temperature19.2 C (66.6 F)0.2 C (0.4 F)9336 of 100 (Notable)
2021-01-06ZinderRecord high maximum temperature38.0 C (100.4 F)1.0 C (1.8 F)8336 of 100 (Notable)
2021-01-07N'GuigniRecord high maximum temperature38.0 C (100.4 F)2.0 C (3.6 F)8337 of 100 (Notable)
2021-01-07Birni N'KonniRecord high maximum temperature40.0 C (104.0 F)2.0 C (3.6 F)6834 of 100 (Routine)
2021-01-07NatitingouRecord high maximum temperature38.5 C (101.3 F)1.0 C (1.8 F)6731 of 100 (Routine)
2021-01-07AgadezRecord high maximum temperature37.0 C (98.6 F)3.1 C (5.6 F)5631 of 100 (Routine)
2021-01-07SokodeRecord high maximum temperature37.5 C (99.5 F)0.4 C (0.7 F)7531 of 100 (Routine)
2021-01-08Niamey AeroRecord high maximum temperature39.5 C (103.1 F)1.0 C (1.8 F)8035 of 100 (Notable)
2021-01-08Birni N'KonniRecord high minimum temperature21.6 C (70.9 F)1.6 C (2.9 F)7135 of 100 (Notable)
2021-01-08Birni N'KonniRecord high maximum temperature39.5 C (103.1 F)1.3 C (2.3 F)6831 of 100 (Routine)
2021-01-09Kayes/Dag-DagRecord high maximum temperature40.1 C (104.2 F)2.9 C (5.2 F)6333 of 100 (Routine)
2021-01-09SokodeRecord high maximum temperature37.5 C (99.5 F)1.0 C (1.8 F)7233 of 100 (Routine)
2021-01-09Niamey AeroRecord high maximum temperature39.0 C (102.2 F)1.0 C (1.8 F)7232 of 100 (Routine)
2021-01-10TillaberyRecord high maximum temperature38.4 C (101.1 F)0.4 C (0.7 F)8233 of 100 (Routine)
2021-01-10SanRecord high maximum temperature40.0 C (104.0 F)2.8 C (5.0 F)5431 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 339 records the event counts. The counts above use the full total.

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.