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Tosa

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Tosa Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Tosa year round climate

  • Spring (March–May): Average 14.1–19.9°C, mild and rainy climate. The cherry blossom season may be short, but there is still a chance to appreciate them. Common activities: flower viewing, hiking, visiting historical sites. Recommended clothing: light jacket, long-sleeved shirt, rain gear.
  • Summer (June–August): Average 23.0–27.6°C, hot and humid. June has the most rainfall. Be mindful of heatstroke and rain. Common activities: swimming at the beach, mountain climbing for summer escape. Recommended clothing: light and breathable clothing, sun hat, rain gear.
  • Autumn (September–November): Average 21.8–26.4°C, comfortable and pleasant climate with gradually decreasing rainfall. Common activities: maple leaf viewing, outdoor activities, enjoying local cuisine. Recommended clothing: light jacket, long-sleeved shirt.
  • Winter (December–February): Average 10.8–12.9°C, relatively low temperatures with occasional rainfall. Common activities: hot spring bathing, indoor activities. Recommended clothing: warm clothing, jacket, scarf.

Tosa climatological average

Annual average temperature: approx. 19°C / Annual rainfall: approx. 2871 mm / Summer humidity: 70%–80% / Rainiest month: June

Tosa monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
10.8°C
142.2
February
11.2°C
233.2
March
14.1°C
287.9
April
17.5°C
303.9
May
19.9°C
284.3
June
23°C
392.9
July
27°C
122
August
27.6°C
229.7
September
26.4°C
301.4
October
21.8°C
209
November
18.6°C
231.8
December
12.9°C
133

Tosa weather for the next seven days

3/17
Tuesday
Moderate rain
12.9°C/12.4°C
3/18
Wednesday
Moderate rain
15.9°C/13.4°C
3/19
Thursday
Heavy rain
17°C/14.1°C
3/20
Friday
Patchy rain nearby
14.8°C/13.7°C
3/21
Saturday
Patchy rain nearby
14.6°C/12.2°C
3/22
Sunday
Moderate rain
16.9°C/13.7°C
3/23
Monday
Patchy rain nearby
15.5°C/13°C