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Sanmu City

Travel Info

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Sanmu City Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Sanmu City year round climate

  • Spring (March–May): Average 10.1–18.1°C, mild climate but with relatively high rainfall, especially in April. Common activities: Hiking, flower viewing (e.g., cherry blossoms, depending on actual blooming conditions). Recommended clothing: Light jacket, long-sleeved shirt.
  • Summer (June–August): Average 22.0–27.5°C, hot and humid, with the most rainfall in June and relatively less rain in July and August. Common activities: Beach activities, outdoor cooling activities (sun protection is necessary). Recommended clothing: Light and breathable clothing, short sleeves, shorts.
  • Autumn (September–November): Average 13.3–25.0°C, comfortable and pleasant temperature, with relatively high rainfall in September. Common activities: Maple leaf viewing (depending on actual leaf conditions), outdoor excursions. Recommended clothing: Long-sleeved shirt, light jacket.
  • Winter (December–February): Average 4.3–6.7°C, cold and dry, with low rainfall. Common activities: Indoor activities, hot spring bathing. Recommended clothing: Warm clothing, thick jacket, scarf and gloves.

Sanmu City climatological average

Annual average temperature: approx. 16°C / Annual rainfall: approx. 1441 mm / Summer humidity: 70%–80% / Rainiest month: June

Sanmu City monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
4.3°C
41
February
5.6°C
65.2
March
10.1°C
120.4
April
15.2°C
158.3
May
18.1°C
174.4
June
22°C
216.1
July
27°C
108.4
August
27.5°C
98.8
September
25°C
204.1
October
18.2°C
131.2
November
13.3°C
93.1
December
6.7°C
30.3

Sanmu City weather for the next seven days

12/9
Tuesday
Partly Cloudy
11.2°C/9.3°C
12/10
Wednesday
Sunny
12.5°C/7.5°C
12/11
Thursday
Overcast
14.1°C/8.9°C
12/12
Friday
Sunny
9.5°C/5°C
12/13
Saturday
Partly Cloudy
9°C/3.9°C
12/14
Sunday
Patchy rain nearby
11.6°C/7.6°C
12/15
Monday
Sunny
13°C/9.1°C

Sanmu City Frequently Asked Questions and Useful Information for Travel

What is the best time to visit?

Spring to summer is the best time to visit, suitable for families and couples.

What are the must-see attractions?

There are Nomi Farm and Aiba Berry Farm, which are must-see attractions.