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Niihama

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Niihama Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Niihama year round climate

  • Spring (March–May): Average 52–67°F, mild and comfortable climate, but with more rainfall. Common activities: Hiking, flower viewing. Recommended clothing: Light jacket, long-sleeved shirt.
  • Summer (June–August): Average 74–84°F, hot and humid, with rainfall concentrated in June and July. Common activities: Swimming, summer resort travel. Recommended clothing: Light and breathable clothing, sunscreen.
  • Autumn (September–November): Average 68–80°F, comfortable and pleasant climate, with less rainfall. Common activities: Hiking, autumn leaf viewing. Recommended clothing: Light jacket, long-sleeved shirt.
  • Winter (December–February): Average 43–47°F, relatively low temperatures, low rainfall. Common activities: Indoor activities, hot spring trips. Recommended clothing: Warm jacket, sweater, scarf.

Niihama climatological average

Annual average temperature: approx. 64.0°F / Annual rainfall: approx. 1496 mm / Summer humidity: 70%–80% / Rainiest month: July

Niihama monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
43.9°F
45
February
45.1°F
64
March
52.9°F
122.7
April
61.3°F
173.3
May
67.1°F
200.7
June
74.5°F
246.3
July
82.9°F
292.7
August
84.7°F
103.7
September
81°F
53
October
68.2°F
69.3
November
59.2°F
101.3
December
47.1°F
24.3

Niihama weather for the next seven days

3/17
Tuesday
Sunny
52.4°F/46.4°F
3/18
Wednesday
Moderate rain
52.6°F/49.2°F
3/19
Thursday
Patchy rain nearby
56.8°F/49.2°F
3/20
Friday
Sunny
53.9°F/46°F
3/21
Saturday
Sunny
50.5°F/43.3°F
3/22
Sunday
Sunny
53.9°F/46.1°F
3/23
Monday
Patchy rain nearby
55.6°F/50.4°F

Niihama Frequently Asked Questions and Useful Information for Travel

What is the best time to visit?

The best times to visit Niihama City are spring and autumn, when the weather is warm and the scenery is beautiful. Summer is great for beach activities and winter is great for light festivals.

What are the must-see attractions?

Must-see attractions in Niihama City include beaches, forests, hot spring areas, and historical monuments. Among them, the beach is a popular activity spot in summer, and the forest provides a variety of outdoor activity options.