Spring (March–May): 41–59°F on average, mild climate but with relatively high rainfall, especially in April. Common activities: flower viewing, hot spring bathing, hiking. Recommended attire: light jacket, comfortable long pants, rain gear.
Summer (June–August): 68–77°F on average, hot and humid, with relatively high rainfall, peaking in July. Common activities: playing in streams, hot spring bathing, sightseeing in cool mountain resorts. Recommended attire: light and breathable clothing, rain gear, sun hat.
Autumn (September–November): 46–73°F on average, pleasant climate, but with a large temperature difference between morning and evening, moderate rainfall. Common activities: autumn leaves viewing, hot spring bathing, hiking. Recommended attire: light jacket, long-sleeved shirt, comfortable long pants.
Winter (December–February): -33–46°F on average, cold and dry, occasional snowfall. Common activities: skiing, hot spring bathing, snow scenery viewing. Recommended attire: warm clothing, thick jacket, scarf, gloves, hat.
Weather in Gero Onsen
Annual average temperature: approx. 53.6°F / Annual rainfall: approx. 1883 mm / Summer humidity: 70%–80% / Rainiest month: July
Gero Onsen weather by month
Month
Temperature (°F)
Rainfall (mm)
January
30°F
85.6
February
32.7°F
85.1
March
41°F
159.9
April
53.8°F
174.3
May
59.4°F
216.8
June
68.2°F
213.6
July
76.5°F
222.8
August
77.2°F
145.9
September
73°F
218.2
October
57°F
160.6
November
46.9°F
123.2
December
35.2°F
77.8
7-day weather forecast for Gero Onsen
11/7
Saturday
Light rain shower
45°F/36.1°F
11/8
Sunday
Overcast
51°F/28.2°F
11/9
Monday
Overcast
56.4°F/36.3°F
11/10
Tuesday
Patchy rain nearby
45.3°F/28.3°F
11/11
Wednesday
Sunny
54.9°F/27.2°F
11/12
Thursday
Sunny
58.4°F/30.1°F
11/13
Friday
Cloudy
58.2°F/34.4°F
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