Kumamoto weather records
Record high and low temperatures for Kumamoto, by month, by season, and all-time, with the dates they occurred, across 1980–2026 of daily climate history. Its hottest day on record reached 35°C on 2025-07-30; its coldest fell to -9°C on 1981-01-22.
Records by month
The warmest (▲) and coldest (▼) both the daytime high and the overnight low have ever been in each calendar month, so each column shows its record high and its record low. Tap a month for its full averages and typical range.
| Month | Daytime high | Overnight low |
|---|---|---|
| January | 18°C1989-01-19
-2°C2016-01-24
|
14°C1989-01-19
-9°C1981-01-22
|
| February | 21°C2004-02-21
-2°C1981-02-26
|
16°C2024-02-20
-7°C1984-02-09
|
| March | 23°C2010-03-20
3°C2015-03-10
|
17°C2025-03-26
-3°C1987-03-01
|
| April | 27°C1983-04-27
7°C1996-04-02
|
20°C1983-04-28
2°C1993-04-09
|
| May | 29°C2026-05-25
13°C1981-05-03
|
22°C2023-05-29
7°C1980-05-01
|
| June | 31°C2025-06-30
19°C2008-06-02
|
25°C2022-06-23
11°C1981-06-01
|
| July | 35°C2025-07-30
21°C1993-07-01
|
28°C2022-07-31
17°C1982-07-01
|
| August | 35°C2016-08-23
23°C2019-08-25
|
28°C2017-08-04
18°C1981-08-05
|
| September | 34°C2020-09-01
18°C1980-09-25
|
28°C2020-09-01
9°C1987-09-27
|
| October | 30°C2021-10-09
11°C1997-10-31
|
25°C2016-10-04
4°C1997-10-31
|
| November | 25°C2023-11-05
6°C1996-11-30
|
20°C2011-11-04
1°C1981-11-09
|
| December | 22°C2018-12-04
1°C1980-12-29
|
15°C2018-12-03
-8°C1980-12-31
|
Records by season
The warmest (▲) and coldest (▼) both the daytime high and the overnight low have reached in each meteorological season (Northern Hemisphere, each a three-month span).
| Season | Daytime high | Overnight low |
|---|---|---|
| Winter (Dec–Feb) | 22°C2018-12-04
-2°C1981-02-26
|
16°C2024-02-20
-9°C1981-01-22
|
| Spring (Mar–May) | 29°C2026-05-25
3°C2015-03-10
|
22°C2023-05-29
-3°C1987-03-01
|
| Summer (Jun–Aug) | 35°C2025-07-30
19°C2008-06-02
|
28°C2017-08-04
11°C1981-06-01
|
| Autumn (Sep–Nov) | 34°C2020-09-01
6°C1996-11-30
|
28°C2020-09-01
1°C1981-11-09
|
All-time records
The most extreme value Kumamoto has recorded for each metric across its entire history.
High
Low
Feels-like
Humidity
Wind
Gust
Precip
For rainfall, the “driest” figure is the longest run of consecutive days without measurable rain, dated to when that dry spell began.