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 39°C on 2026-07-23; its coldest fell to -12°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 | 17°C2021-01-27
-1°C1996-01-09
|
10°C1989-01-08
-11°C1980-01-22
|
| February | 22°C2024-02-20
-2°C1981-02-26
|
12°C2024-02-20
-12°C1996-02-19
|
| March | 24°C2023-03-24
2°C1984-03-10
|
16°C2025-03-27
-6°C1981-03-02
|
| April | 28°C2023-04-21
7°C2017-04-01
|
18°C1998-04-13
-1°C1996-04-02
|
| May | 32°C2015-05-31
12°C1991-05-04
|
22°C2004-05-30
4°C1991-05-03
|
| June | 36°C2022-06-30
14°C2011-06-01
|
24°C2005-06-27
11°C1981-06-01
|
| July | 39°C2026-07-23
19°C1989-07-02
|
28°C2026-07-23
15°C1982-07-03
|
| August | 38°C2020-08-16
18°C1996-08-27
|
27°C2026-08-25
16°C1981-08-06
|
| September | 35°C2003-09-03
15°C1996-09-30
|
25°C2024-09-20
8°C1992-09-27
|
| October | 30°C2021-10-06
9°C1980-10-31
|
22°C2018-10-06
3°C1982-10-25
|
| November | 23°C2023-11-02
6°C1988-11-25
|
18°C2023-11-06
-2°C2013-11-28
|
| December | 21°C2018-12-05
0°C1980-12-28
|
14°C2018-12-04
-7°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) | 22°C2024-02-20
-2°C1981-02-26
|
14°C2018-12-04
-12°C1996-02-19
|
| Spring (Mar–May) | 32°C2015-05-31
2°C1984-03-10
|
22°C2004-05-30
-6°C1981-03-02
|
| Summer (Jun–Aug) | 39°C2026-07-23
14°C2011-06-01
|
28°C2026-07-23
11°C1981-06-01
|
| Autumn (Sep–Nov) | 35°C2003-09-03
6°C1988-11-25
|
25°C2024-09-20
-2°C2013-11-28
|
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.