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Seiyo
Recommended travel destinations near Seiyo
Seiyo Weather, Climate and Best Time to Visit
Data source：Meteostat
Update date：2025-09
Seiyo year round climate
- Spring (March–May): 52–66°F on average, mild and rainy, occasional overcast and rainy weather. Common activities: Spring outings, flower viewing (depending on blooming conditions). Recommended clothing: Light jacket, long-sleeved shirts and pants.
- Summer (June–August): 73–82°F on average, hot and humid, relatively high rainfall. Common activities: Summer resorts, stream activities, mountain trail hiking (note sun protection and rain gear). Recommended clothing: Breathable and sweat-wicking clothing, rain gear.
- Autumn (September–November): 67–79°F on average, comfortable and pleasant climate, rainfall gradually decreasing. Common activities: Maple leaf viewing (depending on leaf color change), outdoor activities. Recommended clothing: Light jacket, long-sleeved shirts and pants.
- Winter (December–February): 43–46°F on average, cold and dry climate, low rainfall. Common activities: Hot spring bathing, indoor activities. Recommended clothing: Warm jacket, sweater, scarf and gloves.
Seiyo climatological average
Annual average temperature: approx. 63.3°F / Annual rainfall: approx. 2639 mm / Summer humidity: 75%–85% / Rainiest month: June
Seiyo monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
43.3°F
52.1
February
45.7°F
105.8
March
52.5°F
191.6
April
61.7°F
244.9
May
66.9°F
300.6
June
73.2°F
397.3
July
81.7°F
280.1
August
82.8°F
276.6
September
79.3°F
349.2
October
67.8°F
217.7
November
59°F
166.7
December
46.8°F
56.9
Seiyo weather for the next seven days
2/2
Monday
Sunny
48.7°F/31.9°F
2/3
Tuesday
Sunny
49.6°F/30°F
2/4
Wednesday
Cloudy
51.8°F/31.2°F
2/5
Thursday
Sunny
57.1°F/35.6°F
2/6
Friday
Sunny
56.7°F/40.6°F
2/7
Saturday
Sunny
47.8°F/35.4°F
2/8
Sunday
Light freezing rain
39.3°F/28.3°F
