Toshima Island Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Toshima Island year round climate
Spring (March–May): Average 53–65°F, warm and humid climate with abundant rainfall, especially in April. Common activities: flower viewing, outdoor walks (rain gear recommended). Suggested clothing: light jacket, long-sleeved shirt and pants.
Summer (June–August): Average 71–81°F, hot and humid with relatively high rainfall. Common activities: swimming at the beach, sightseeing in summer resorts. Suggested clothing: light and breathable clothing, sun hat.
Autumn (September–November): Average 67–60°F, comfortable and pleasant climate with decreasing rainfall. Common activities: hiking, viewing autumn leaves (depending on altitude). Suggested clothing: light jacket, long-sleeved shirt and pants.
Winter (December–February): Average 46–51°F, cold and humid with less rainfall. Common activities: hot spring trips, indoor activities. Suggested clothing: warm jacket, sweater, scarf.
Toshima Island climatological average
Annual average temperature: approx. 63.9°F / Annual rainfall: approx. 2774 mm / Summer humidity: 70%–80% / Rainiest month: April
Toshima Island monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
46.9°F
57
February
47.7°F
206.3
March
54°F
274.7
April
61°F
351.3
May
65.8°F
271.3
June
71.8°F
335
July
79.9°F
167
August
81.7°F
299
September
78.1°F
295.7
October
67.5°F
265
November
61°F
196.3
December
51.1°F
55.7
Toshima Island weather for the next seven days
5/7
Thursday
Patchy rain nearby
66.4°F/63.5°F
5/8
Friday
Patchy rain nearby
68°F/63°F
5/9
Saturday
Patchy rain nearby
66.7°F/60.5°F
5/10
Sunday
Patchy rain nearby
65.7°F/63.8°F
5/11
Monday
Patchy rain nearby
67.4°F/64.3°F
5/12
Tuesday
Sunny
66.3°F/64°F
5/13
Wednesday
Sunny
66.4°F/64°F
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