Spring (March–May): Average 1.3–10.6°C, cold and humid climate with relatively high rainfall, fluctuating temperatures; be sure to keep warm. Common activities: Flower viewing (if suitable species are available), indoor museum visits. Recommended clothing: Warm coat, sweater, waterproof jacket.
Summer (June–August): Average 14.9–20.0°C, warm and humid climate with relatively high rainfall, especially in August. Common activities: Sightseeing in cool places, indoor activities. Recommended clothing: Light and breathable clothing, rain gear.
Autumn (September–November): Average 10.0–17.4°C, cool climate with gradually decreasing rainfall. Common activities: Outdoor excursions, enjoying autumn scenery (if suitable scenery is available). Recommended clothing: Light jacket, long-sleeved clothing.
Winter (December–February): Average -3.7–-0.8°C, cold and dry climate with low rainfall. Common activities: Skiing (if nearby resorts are available), indoor activities. Recommended clothing: Heavy coat, hat, scarf, gloves.
Imachi climatological average
Annual average temperature: approx. 7.9°C / Annual rainfall: approx. 1974 mm / Summer humidity: 70%–80% / Rainiest month: August
Imachi monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
-3.7°C
43.3
February
-3°C
60.7
March
1.3°C
142.1
April
7.1°C
148.4
May
10.6°C
254.7
June
14.9°C
232
July
19.9°C
198.4
August
20°C
335.4
September
17.4°C
279.4
October
10°C
145.4
November
5.4°C
107.7
December
-0.8°C
27
Imachi weather for the next seven days
12/15
Monday
Patchy rain nearby
5.8°C/-3.2°C
12/16
Tuesday
Sunny
7.1°C/-3.8°C
12/17
Wednesday
Patchy rain nearby
7.5°C/-1.9°C
12/18
Thursday
Sunny
7.7°C/-3.1°C
12/19
Friday
Sunny
10.8°C/-1.8°C
12/20
Saturday
Partly Cloudy
11.7°C/3.2°C
12/21
Sunday
Patchy rain nearby
10.8°C/5.8°C
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