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Hamamatsu

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Hamamatsu Weather and climate

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
10/15
Wednesday
Moderate rain
68.8°F/65.9°F
10/16
Thursday
Patchy rain nearby
72.3°F/68.5°F
10/17
Friday
Patchy rain nearby
72.8°F/66.7°F
10/18
Saturday
Patchy rain nearby
76.3°F/67.1°F
10/19
Sunday
Patchy rain nearby
77.1°F/67.1°F
10/20
Monday
Moderate rain
66.2°F/62.9°F
10/21
Tuesday
Moderate rain
61.6°F/60.2°F