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Sanmu City

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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 50–64°F, 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 71–81°F, 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 55–77°F, 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 39–44°F, 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. 60.8°F / Annual rainfall: approx. 1441 mm / Summer humidity: 70%–80% / Rainiest month: June

Sanmu City monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
39.7°F
41
February
42.1°F
65.2
March
50.2°F
120.4
April
59.4°F
158.3
May
64.6°F
174.4
June
71.6°F
216.1
July
80.6°F
108.4
August
81.5°F
98.8
September
77°F
204.1
October
64.8°F
131.2
November
55.9°F
93.1
December
44.1°F
30.3

Sanmu City weather for the next seven days

12/16
Tuesday
Patchy rain nearby
53.1°F/45.6°F
12/17
Wednesday
Sunny
55.5°F/45.4°F
12/18
Thursday
Partly Cloudy
53.9°F/48.1°F
12/19
Friday
Patchy rain nearby
58.7°F/47.9°F
12/20
Saturday
Patchy rain nearby
65.8°F/56.5°F
12/21
Sunday
Moderate rain
65.5°F/61.9°F
12/22
Monday
Moderate rain
56.5°F/48.1°F

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.