What is the national average of Typhoon proximity frequency (center within 100km, yearly average)?

The simple average across all 47 prefectures is 0.75times/yr (2026), based on JMA — RSMC Tokyo best-track data.

Climate · National ranking

Typhoon proximity frequency (center within 100km, yearly average)

2026Unit: times/yrlower is better

Average yearly count of typhoons whose center passed within 100km of the prefectural capital (close to a direct hit) over the past 30 years. Geographically higher along the coast.

Source: JMA — RSMC Tokyo best-track data

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In 2026, Okinawa recorded the highest Typhoon proximity frequency (center within 100km, yearly average) (1.47times/yr) and Hokkaido the lowest (0.17times/yr) among Japan's 47 prefectures. The simple 47-prefecture average is 0.75times/yr. Source: JMA — RSMC Tokyo best-track data.

47OkinawaOkinawa1.47times/yr
45WakayamaKinki1.13times/yr
45KochiShikoku1.13times/yr
43ShizuokaChubu1.10

FAQ — Typhoon proximity frequency (center within 100km, yearly average)

Which prefecture has the highest Typhoon proximity frequency (center within 100km, yearly average) in Japan?: As of 2026, Okinawa has the highest Typhoon proximity frequency (center within 100km, yearly average) at 1.47times/yr among all 47 prefectures.
Which prefecture has the lowest Typhoon proximity frequency (center within 100km, yearly average)?: Hokkaido has the lowest Typhoon proximity frequency (center within 100km, yearly average) at 0.17times/yr (2026).
What is the national average of Typhoon proximity frequency (center within 100km, yearly average)?: The simple average across all 47 prefectures is 0.75times/yr (2026), based on JMA — RSMC Tokyo best-track data.

▲ The top 5 prefectures are tinted sky, ▼ the bottom 5 amber — just enough colour to follow the two ends of the “desirable direction.”

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FAQ — Typhoon proximity frequency (center within 100km, yearly average)

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