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Sasayama

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Sasayama Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Sasayama year round climate

  • Spring (March–May): Average 55–67°F, warm and rainy climate. Temperatures gradually warm from March, with heavier rainfall in April and May. Common activities: Hiking, flower viewing. Suggested clothing: Light jacket, long-sleeved shirts and pants.
  • Summer (June–August): Average 73–82°F, hot and humid. June has the most rainfall, while July and August are relatively drier. Common activities: Avoiding the heat, playing in streams. Suggested clothing: Light and breathable clothing, short sleeves, and shorts.
  • Autumn (September–November): Average 68–60°F, comfortable and pleasant climate. September has more rainfall, followed by gradually cooler and drier conditions. Common activities: Maple viewing, mountain climbing. Suggested clothing: Light jacket, long-sleeved shirts and pants.
  • Winter (December–February): Average 48–46°F, cold and dry climate with low rainfall. Common activities: Hot spring bathing, enjoying winter scenery. Suggested clothing: Warm jacket, sweater, long pants.

Sasayama climatological average

Annual average temperature: approx. 64.0°F / Annual rainfall: approx. 1952 mm / Summer humidity: 70%–80% / Rainiest month: June

Sasayama monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
46.4°F
55
February
47.8°F
90.2
March
55°F
181.4
April
62.6°F
199.8
May
67.3°F
243.6
June
73.9°F
324.7
July
81.7°F
197.1
August
82.8°F
176.7
September
79.5°F
287.6
October
68.7°F
76
November
60.6°F
88.3
December
48.7°F
32.2

Sasayama weather for the next seven days

3/30
Monday
Heavy rain
69°F/54.5°F
3/31
Tuesday
Heavy rain
69.8°F/52.3°F
4/1
Wednesday
Patchy rain nearby
57.7°F/49.4°F
4/2
Thursday
Sunny
64.2°F/47.5°F
4/3
Friday
Patchy rain nearby
65.1°F/45.8°F
4/4
Saturday
Heavy rain
68°F/57.1°F
4/5
Sunday
Patchy rain nearby
68.1°F/53.5°F