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Hamamatsu

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Hamamatsu Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Hamamatsu year round climate

  • Spring (March–May): Average 53–66°F, mild climate but with relatively high rainfall, especially in April and May. Common activities: enjoying nature, flower viewing, visiting Hamamatsu Castle. Recommended clothing: light jacket, long-sleeved shirts and pants.
  • Summer (June–August): Average 73–82°F, hot and humid with relatively high rainfall. July is the rainiest month. Common activities: beach activities, swimming, outdoor sports (pay attention to sun protection and rain protection). Recommended clothing: light and breathable clothing, sun hat, rain gear.
  • Autumn (September–November): Average 59–79°F, comfortable and pleasant climate with gradually decreasing rainfall. Common activities: autumn leaves viewing, outdoor excursions, enjoying autumn cuisine. Recommended clothing: light jacket, long-sleeved shirts and pants.
  • Winter (December–February): Average 43–47°F, cold and dry with low rainfall. Common activities: onsen experience, indoor activities. Recommended clothing: warm jacket, sweater, scarf and gloves.

Hamamatsu climatological average

Annual average temperature: approx. 63.9°F / Annual rainfall: approx. 2344 mm / Summer humidity: 70%–80% / Rainiest month: July

Hamamatsu monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
43.9°F
39.1
February
46.2°F
94.9
March
53.4°F
149.3
April
62.1°F
230.4
May
66.9°F
311.4
June
73.4°F
321.8
July
82.2°F
342.4
August
82.9°F
222.1
September
79.5°F
269.1
October
68°F
185.6
November
59.7°F
137
December
47.5°F
40.9

Hamamatsu weather for the next seven days

12/18
Thursday
Sunny
56.4°F/45.9°F
12/19
Friday
Patchy rain nearby
56.9°F/47.2°F
12/20
Saturday
Heavy rain
58.9°F/55°F
12/21
Sunday
Patchy rain nearby
63.6°F/54.8°F
12/22
Monday
Moderate rain
56°F/50.9°F
12/23
Tuesday
Patchy rain nearby
55.5°F/48.9°F
12/24
Wednesday
Partly Cloudy
53.7°F/46.7°F