The Mogami River, which runs through the Yamagata Line, has a wide drainage basin. Taking a flat-bottomed boat here, although the river current is fierce, feels very smooth.
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Mogami Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Mogami year round climate
Spring (March–May): Average 3.4–14.9°C, mild climate, but early spring can be quite cold, moderate rainfall. Common activities: Enjoying the scenery, viewing flowers (if available). Recommended clothing: Warm jacket, sweater, long pants, lighter clothing can be worn depending on the weather.
Summer (June–August): Average 19.8–26.0°C, hot and humid, relatively high rainfall, especially in July. Common activities: Escaping the heat, indoor activities. Recommended clothing: Light and breathable clothing, short sleeves, shorts, rain gear is essential.
Autumn (September–November): Average 8.0–22.1°C, pleasant and comfortable climate, rainfall gradually decreases. Common activities: Viewing autumn leaves (if available), outdoor activities. Recommended clothing: Light jacket, long-sleeved shirt, long pants.
Winter (December–February): Average -0.4–1.6°C, cold and dry, relatively high rainfall. Common activities: Skiing (if there are nearby ski resorts), indoor activities. Recommended clothing: Heavy coat, hat, scarf, gloves, warm clothing.
Mogami climatological average
Annual average temperature: approx. 11.7°C / Annual rainfall: approx. 2277 mm / Summer humidity: 70%–80% / Rainiest month: July
Mogami monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
-0.4°C
209.4
February
0.4°C
114.6
March
3.4°C
137.5
April
10.6°C
93.8
May
14.9°C
112.5
June
19.8°C
219.9
July
24.8°C
403.5
August
26°C
216.9
September
22.1°C
127.9
October
13.8°C
126.4
November
8°C
196.5
December
1.6°C
318.6
Mogami weather for the next seven days
12/3
Wednesday
Heavy rain
4.1°C/-0.6°C
12/4
Thursday
Heavy snow
-0.6°C/-4.2°C
12/5
Friday
Moderate or heavy snow showers
0.9°C/-0.8°C
12/6
Saturday
Patchy rain nearby
2.9°C/-1°C
12/7
Sunday
Patchy rain nearby
6.3°C/-4°C
12/8
Monday
Sunny
4.7°C/-0.1°C
12/9
Tuesday
Partly Cloudy
5.4°C/-0.6°C
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