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
12/28
Sunday
Sunny
51.7°F/37.2°F
12/29
Monday
Sunny
54.8°F/38.1°F
12/30
Tuesday
Partly Cloudy
59.5°F/45.3°F
12/31
Wednesday
Sunny
47.1°F/38°F
1/1
Thursday
Partly Cloudy
47.5°F/36.5°F
1/2
Friday
Sunny
48.9°F/34.1°F
1/3
Saturday
Sunny
52.8°F/40°F
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