Spring (March–May): Average 55–69°F, mild climate but with relatively high rainfall, especially in March and April. Common activities: Flower viewing (specify flower type if applicable), countryside walks. Recommended clothing: Light jacket, long-sleeved shirts, rain gear essential.
Summer (June–August): Average 76–85°F, hot and humid, rainfall concentrated in June and July. Common activities: Swimming, visiting summer resorts. Recommended clothing: Light and breathable clothing, sun hat, sunglasses.
Autumn (September–November): Average 68–59°F, pleasant and comfortable climate, less rainfall. Common activities: Hiking, autumn leaves viewing (specify if maple leaves are prominent). Recommended clothing: Comfortable long-sleeved shirts, light jacket.
Winter (December–February): Average 45–46°F, cold and dry, low rainfall. Common activities: Hot spring visits, indoor activities. Recommended clothing: Warm coat, sweater, scarf, hat.
Tamanashi climatological average
Annual average temperature: approx. 64.9°F / Annual rainfall: approx. 2079 mm / Summer humidity: 70%–80% / Rainiest month: July
Tamanashi monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
43.9°F
56.5
February
46.9°F
92.7
March
55°F
226.3
April
63.9°F
215.9
May
69.8°F
274
June
76.1°F
369.8
July
83.5°F
371.5
August
85.8°F
165.2
September
81.7°F
92.3
October
68.7°F
96
November
59.2°F
81.8
December
45.7°F
37.8
Tamanashi weather for the next seven days
1/28
Wednesday
Sunny
48.9°F/37.2°F
1/29
Thursday
Sunny
47.8°F/36.3°F
1/30
Friday
Patchy rain nearby
46.8°F/39°F
1/31
Saturday
Overcast
47.3°F/36.3°F
2/1
Sunday
Cloudy
47.6°F/41.7°F
2/2
Monday
Partly Cloudy
50.7°F/40.8°F
2/3
Tuesday
Sunny
53.1°F/40.2°F
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