Hamamatsu weather records
Record high and low temperatures for Hamamatsu, 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 42°C on 2020-08-17; its coldest fell to -5°C on 1996-02-19.
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°C2021-01-27
3°C1996-01-09
|
11°C1989-01-08
-5°C1980-01-22
|
| February | 24°C2024-02-20
1°C1981-02-26
|
15°C2024-02-19
-5°C1996-02-19
|
| March | 25°C2024-03-31
5°C1984-03-10
|
17°C2025-03-27
-2°C1984-03-01
|
| April | 28°C2019-04-22
9°C2017-04-01
|
20°C2022-04-13
1°C1996-04-02
|
| May | 34°C2015-05-31
15°C2008-05-10
|
24°C2004-05-30
7°C1991-05-03
|
| June | 36°C2022-06-30
17°C1989-06-09
|
26°C2011-06-30
14°C1981-06-01
|
| July | 40°C2018-07-23
20°C1989-07-02
|
30°C2024-07-28
16°C1992-07-01
|
| August | 42°C2020-08-17
22°C1996-08-27
|
30°C2020-08-15
18°C1986-08-03
|
| September | 36°C2003-09-03
18°C1980-09-26
|
28°C2024-09-20
11°C1992-09-27
|
| October | 32°C2013-10-02
12°C1980-10-31
|
25°C2018-10-06
6°C1988-10-30
|
| November | 26°C2023-11-02
9°C1988-11-25
|
20°C2023-11-06
1°C1985-11-30
|
| December | 23°C2018-12-05
4°C2003-12-20
|
16°C2018-12-04
-3°C2014-12-18
|
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) | 24°C2024-02-20
1°C1981-02-26
|
16°C2018-12-04
-5°C1996-02-19
|
| Spring (Mar–May) | 34°C2015-05-31
5°C1984-03-10
|
24°C2004-05-30
-2°C1984-03-01
|
| Summer (Jun–Aug) | 42°C2020-08-17
17°C1989-06-09
|
30°C2020-08-15
14°C1981-06-01
|
| Autumn (Sep–Nov) | 36°C2003-09-03
9°C1988-11-25
|
28°C2024-09-20
1°C1985-11-30
|
All-time records
The most extreme value Hamamatsu 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.