Spring (March–May): Average 48–64°F, 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 70–81°F, 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 63–77°F, 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 39–41°F, 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. 59.9°F / Annual rainfall: approx. 1332 mm / Summer humidity: 70%–80% / Rainiest month: June
Sera monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
39.2°F
32.6
February
40.3°F
68.9
March
48.7°F
119.1
April
58.5°F
138.9
May
64°F
154.7
June
70.9°F
197
July
79.2°F
170.5
August
81.7°F
163.9
September
77.4°F
103.4
October
63.7°F
72.7
November
54.5°F
87.6
December
41.9°F
23.3
Sera weather for the next seven days
12/18
Thursday
Sunny
54°F/42.2°F
12/19
Friday
Sunny
55.3°F/40.4°F
12/20
Saturday
Partly Cloudy
61.5°F/42.8°F
12/21
Sunday
Moderate rain
53.9°F/47.6°F
12/22
Monday
Partly Cloudy
51.2°F/41.5°F
12/23
Tuesday
Partly Cloudy
53.7°F/38.5°F
12/24
Wednesday
Moderate rain
57.5°F/49.4°F
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