Spring (March–May): Average 9.3–17.8°C, mild climate with increasing rainfall. Flowers, plants, and trees begin to flourish from March to May. Common activities: Hiking, flower viewing, mountain climbing. Recommended clothing: Light jacket, long-sleeved shirt and pants.
Summer (June–August): Average 21.6–27.6°C, hot and humid with abundant rainfall and occasional thunderstorms. Common activities: Sightseeing in summer resorts, playing in streams. Recommended clothing: Light and breathable clothing, short sleeves, rain gear.
Autumn (September–November): Average 17.6–25.2°C, pleasant and comfortable climate with decreasing rainfall. Common activities: Maple viewing, hiking, fruit picking. Recommended clothing: Light jacket, long-sleeved shirt and pants.
Winter (December–February): Average 4.0–5.5°C, cold and dry with less rainfall. Common activities: Hot spring bathing, indoor activities. Recommended clothing: Warm clothing, thick jacket, scarf and gloves.
Sera climatological average
Annual average temperature: approx. 15.5°C / Annual rainfall: approx. 1332 mm / Summer humidity: 70%–80% / Rainiest month: June
Sera monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
4°C
32.6
February
4.6°C
68.9
March
9.3°C
119.1
April
14.7°C
138.9
May
17.8°C
154.7
June
21.6°C
197
July
26.2°C
170.5
August
27.6°C
163.9
September
25.2°C
103.4
October
17.6°C
72.7
November
12.5°C
87.6
December
5.5°C
23.3
Sera weather for the next seven days
2/13
Friday
Sunny
10.7°C/1.8°C
2/14
Saturday
Sunny
12.4°C/3.6°C
2/15
Sunday
Sunny
15.3°C/5.6°C
2/16
Monday
Partly Cloudy
8.6°C/2°C
2/17
Tuesday
Cloudy
8.9°C/0.5°C
2/18
Wednesday
Sunny
10.3°C/2.6°C
2/19
Thursday
Partly Cloudy
9.5°C/0.8°C
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