Rainiest Cities in Nagano

Top 50 cities ranked by rainiest cities

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All Countries · Japan · Nagano

Rainiest Cities — Nagano

1 Iida 73.7"

2 Komaba 72.4"

3 Kiso 65.1"

4 Iiyama 62.5"

5 Ajima 62.1"

6 Ichiba 62.1"

7 Kamikatagiri 62.1"

8 Yamabuki 62.1"

9 Miyada 61.9"

10 Ina 61.9"

11 Iijima 61.9"

12 Komagane 61.9"

13 Takanomachi 59.0"

14 Tatsuno 58.9"

15 Minamiminowa 58.9"

16 Kinoshita 58.9"

17 Hakuba 57.9"

18 Miyota 57.1"

19 Karuizawa 57.1"

20 Fujimi 56.6"

21 Nakazawa 56.6"

22 Hirao 56.1"

23 Nakano 56.1"

24 Nakayama 56.1"

25 Tōmi 55.9"

26 Chino 55.5"

27 Shimosuwa 53.2"

28 Suwa 53.2"

29 Okaya 53.2"

30 Shiojiri 52.1"

31 Kashiwabara 49.8"

32 Mure 49.8"

33 Obuse 49.8"

34 Suzaka 46.5"

35 Nagano 46.5"

36 Nagawa 46.3"

37 Ashida 46.3"

38 Kamimaruko 46.3"

39 Hotaka 45.5"

40 Ikeda 45.5"

41 Ōmachi 45.5"

42 Chikuma 45.2"

43 Matsumoto 44.9"

44 Toyoshina 44.9"

45 Kamitakeda 44.9"

46 Azumino 44.9"

47 Saku 43.4"

48 Komoro 43.4"

49 Ueda 42.6"

50 Sakaki 42.6"

The rainiest cities in Nagano receive the highest annual precipitation, creating lush green landscapes and abundant water resources. Iida leads with 73.7 inches of precipitation annually.

High rainfall supports diverse ecosystems, extensive park systems, and reliable water supplies. These cities often feature vibrant gardens, green spaces, and agricultural communities that benefit from consistent moisture throughout the year.

While abundant rainfall supports lush environments, it can also bring challenges including flooding risks, high humidity, and more frequent overcast days. Many rainy cities have adapted with robust drainage systems, covered public spaces, and a cultural embrace of indoor activities.

Did You Know?

1. Iida receives 73.7" of precipitation annually — that's about 6.1 feet of water.
2. The rainiest cities in the U.S. are primarily in the Southeast and Pacific Northwest, though for very different reasons — tropical moisture vs. marine influence.
3. High rainfall areas tend to have lower wildfire risk and more reliable municipal water supplies.

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