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Niimi
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Niimi Weather, Climate and Best Time to Visit
Data source：Meteostat
Update date：2025-09
Niimi year round climate
- Spring (March–May): 8.7–17.2°C on average, mild climate but with relatively high rainfall, especially frequent in April and May. Common activities: picnics, flower viewing (if applicable locally). Recommended clothing: light jacket, long-sleeved shirt, rain gear essential.
- Summer (June–August): 21.4–27.0°C on average, hot and humid, abundant rainfall, with the most rainfall in July. Common activities: summer resort activities (if applicable), indoor activities. Recommended clothing: light and breathable clothing, sun hat, rain gear.
- Autumn (September–November): 17.3–24.1°C on average, comfortable and pleasant climate, rainfall gradually decreases. Common activities: outdoor excursions, autumn scenery viewing. Recommended clothing: comfortable long-sleeved shirts or light jackets.
- Winter (December–February): 3.5–5.2°C on average, cold and dry, less rainfall. Common activities: indoor activities, such as visiting museums or onsen. Recommended clothing: warm clothing, thick coat, scarf and gloves.
Niimi climatological average
Annual average temperature: approx. 14.5°C / Annual rainfall: approx. 1531 mm / Summer humidity: 70%–80% / Rainiest month: July
Niimi monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
3.5°C
30.8
February
4.1°C
58.8
March
8.7°C
114.6
April
14.1°C
149.1
May
17.2°C
213.9
June
21.4°C
211.2
July
26.1°C
219.5
August
27°C
197.1
September
24.1°C
153.5
October
17.3°C
75.2
November
12°C
74.8
December
5.2°C
32.8
Niimi weather for the next seven days
12/19
Friday
Sunny
9.5°C/0.2°C
12/20
Saturday
Patchy rain nearby
12.2°C/3.7°C
12/21
Sunday
Moderate rain
9.4°C/2°C
12/22
Monday
Patchy rain nearby
3.8°C/-0.5°C
12/23
Tuesday
Patchy rain nearby
8.8°C/-1.1°C
12/24
Wednesday
Moderate rain
8.7°C/3.4°C
12/25
Thursday
Patchy rain nearby
3.8°C/-1.2°C
