Built 2026-10-19 (19 October 2026)

Extreme rain in Japan, 9 to 13 July 2026

Extreme rain in Japan, 9 to 13 July 2026: 19 records at 11 stations, peak on 9 July 2026. Closed.

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

Key Facts

  • Extreme rain in Japan, 9 to 13 July 2026 set or tied 19 station records at 11 stations.
  • It ran from 9 July 2026 to 13 July 2026 (5 days) and its peak day was 9 July 2026.
  • Status: closed.
  • Sapporo set an all-time record daily precipitation of 254.0 mm (10.0 in) on 10 July 2026.
  • The busiest day was 9 July 2026 with 5 records.
  • The oldest broken record in the ranked list had stood for 64 years.

Footprint

9 to 13 July 2026
Footprint of Extreme rain in Japan, 9 to 13 July 2026 The area covered by Extreme rain in Japan, 9 to 13 July 2026 is outlined, with 11 of the stations that set records marked, coloured by record type.
The area covered by Extreme rain in Japan, 9 to 13 July 2026 is outlined, with 11 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Extreme rain in Japan, 9 to 13 July 2026: stations that set records in the event
StationTypeValueDate
SapporoRecord daily precipitation254.0 mm (10.0 in)2026-07-10
TomakomaiRecord daily precipitation369.5 mm (14.5 in)2026-07-11
AkitaRecord daily precipitation268.0 mm (10.6 in)2026-07-11
UrakawaRecord daily precipitation157.5 mm (6.2 in)2026-07-09
HachinoheRecord daily precipitation146.0 mm (5.7 in)2026-07-10
AsahikawaRecord daily precipitation104.0 mm (4.1 in)2026-07-09
SuttsuRecord daily precipitation231.0 mm (9.1 in)2026-07-12
MutsuRecord daily precipitation43.5 mm (1.7 in)2026-07-09
AbashiriRecord daily precipitation42.5 mm (1.7 in)2026-07-13
KutchanRecord daily precipitation36.0 mm (1.4 in)2026-07-13
MombetsuRecord daily precipitation25.5 mm (1.0 in)2026-07-13

Records per Day

Peak day 5
Records per day during Extreme rain in Japan, 9 to 13 July 2026 Records set or tied each day from 9 July 2026 to 13 July 2026. The most in one day was 5 on 9 July 2026. 0 1 3 4 5 07-0907-1007-1107-1207-13
Records set or tied each day from 9 July 2026 to 13 July 2026. The most in one day was 5 on 9 July 2026.
Records per day during Extreme rain in Japan, 9 to 13 July 2026
DateRecords
2026-07-095
2026-07-104
2026-07-114
2026-07-123
2026-07-133

Top Records by Margin

Margin over the record replaced
Top records of Extreme rain in Japan, 9 to 13 July 2026 ranked by margin
Tomakomai, 07-11174.0 mm (6.9 in)
Sapporo, 07-12161.5 mm (6.4 in)
Urakawa, 07-09126.5 mm (5.0 in)
Akita, 07-1168.1 mm (2.7 in)
Asahikawa, 07-0958.0 mm (2.3 in)
Asahikawa, 07-1053.9 mm (2.1 in)
Sapporo, 07-1047.0 mm (1.9 in)
Hachinohe, 07-1037.0 mm (1.5 in)
Sapporo, 07-1128.0 mm (1.1 in)
Urakawa, 07-1126.3 mm (1.0 in)
Mutsu, 07-0923.0 mm (0.9 in)
Suttsu, 07-1219.5 mm (0.8 in)
Akita, 07-1019.5 mm (0.8 in)
Kutchan, 07-1318.2 mm (0.7 in)
Abashiri, 07-1317.1 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

Margin against age of the broken record in Extreme rain in Japan, 9 to 13 July 2026 19 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 20 40 60 80 050100150200 Margin (mm) Years the old record stood
19 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 Japan, 9 to 13 July 2026
Margin (mm)Years the old record stood
4744
17438
6832
16256
12755
3726
5816
2855
5415
2664
200
2341
1715
168
208
1125
1816
141
515

Compared With Other Events

Station records per event
Station records in Extreme rain in Japan, 9 to 13 July 2026 compared with similar events
Extreme rain in United States and Mexico, 23 February to 15 March 20192,223 records
Extreme rain in United States, 3 to 19 January 20242,133 records
Extreme rain in Australia, 7 to 26 March 20212,099 records
Extreme rain in United States and Mexico, 29 September to 19 October 20181,970 records
Extreme rain in United States, 19 December 2022 to 13 January 20231,941 records
Extreme rain in Japan, 9 to 13 July 2026 (this event)19 records

Every Record Set

19 of 19
Every record set or tied during Extreme rain in Japan, 9 to 13 July 2026, in date order
DateStationRecordValueMarginYears stoodSignificance
2026-07-09UrakawaRecord daily precipitation157.5 mm (6.2 in)126.5 mm (5.0 in)5563 of 100 (Major)
2026-07-09AsahikawaRecord daily precipitation104.0 mm (4.1 in)58.0 mm (2.3 in)1650 of 100 (Notable)
2026-07-09MutsuRecord daily precipitation43.5 mm (1.7 in)23.0 mm (0.9 in)4133 of 100 (Routine)
2026-07-09AbashiriRecord daily precipitation36.0 mm (1.4 in)11.1 mm (0.4 in)2526 of 100 (Routine)
2026-07-09HachinoheRecord daily precipitation46.5 mm (1.8 in)1.0 mm (0.04 in)4119 of 100 (Routine)
2026-07-10SapporoRecord daily precipitation254.0 mm (10.0 in)47.0 mm (1.9 in)4480 of 100 (Exceptional)
2026-07-10HachinoheRecord daily precipitation146.0 mm (5.7 in)37.0 mm (1.5 in)2651 of 100 (Notable)
2026-07-10AsahikawaRecord daily precipitation92.0 mm (3.6 in)53.9 mm (2.1 in)1546 of 100 (Notable)
2026-07-10AkitaRecord daily precipitation146.0 mm (5.7 in)19.5 mm (0.8 in)829 of 100 (Routine)
2026-07-11TomakomaiRecord daily precipitation369.5 mm (14.5 in)174.0 mm (6.9 in)3878 of 100 (Major)
2026-07-11AkitaRecord daily precipitation268.0 mm (10.6 in)68.1 mm (2.7 in)3272 of 100 (Major)
2026-07-11SapporoRecord daily precipitation59.0 mm (2.3 in)28.0 mm (1.1 in)5547 of 100 (Notable)
2026-07-11UrakawaRecord daily precipitation116.5 mm (4.6 in)26.3 mm (1.0 in)6442 of 100 (Notable)
2026-07-12SapporoRecord daily precipitation201.0 mm (7.9 in)161.5 mm (6.4 in)5663 of 100 (Major)
2026-07-12SuttsuRecord daily precipitation231.0 mm (9.1 in)19.5 mm (0.8 in)040 of 100 (Notable)
2026-07-12AsahikawaRecord daily precipitation160.0 mm (6.3 in)16.0 mm (0.6 in)829 of 100 (Routine)
2026-07-13AbashiriRecord daily precipitation42.5 mm (1.7 in)17.1 mm (0.7 in)1530 of 100 (Routine)
2026-07-13KutchanRecord daily precipitation36.0 mm (1.4 in)18.2 mm (0.7 in)1626 of 100 (Routine)
2026-07-13MombetsuRecord daily precipitation25.5 mm (1.0 in)5.4 mm (0.21 in)1515 of 100 (Routine)

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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.