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Nankoku

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Nankoku Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Nankoku year round climate

  • Spring (March–May): 49–65°F on average, the climate transitions from cool to warm, with increasing rainfall. Cherry blossoms bloom in March, while April and May are lush with greenery. Common activities: Cherry blossom viewing, hiking, outings. Suggested clothing: Spring jacket, long-sleeved shirts, comfortable shoes.
  • Summer (June–August): 71–82°F on average, hot and humid, with more rainfall from June to August, occasional afternoon thunderstorms. Common activities: Swimming at the beach, hiking (avoid afternoons). Suggested clothing: Light and breathable clothing, sun hat, sunscreen.
  • Autumn (September–November): 56–77°F on average, pleasant and comfortable climate, gradually decreasing rainfall, crisp autumn air. Common activities: Maple leaf viewing, outdoor activities. Suggested clothing: Light jacket, long-sleeved shirts, comfortable shoes.
  • Winter (December–February): 39–45°F on average, cold and dry, with the least rainfall. Common activities: Indoor activities, hot spring bathing. Suggested clothing: Warm jacket, sweater, scarf, gloves.

Nankoku climatological average

Annual average temperature: approx. 60.8°F / Annual rainfall: approx. 1576 mm / Summer humidity: 70%–80% / Rainiest month: June

Nankoku monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
39.9°F
34.1
February
41.5°F
68.6
March
49.8°F
134.3
April
59.2°F
157.5
May
65.1°F
191.9
June
72°F
238.6
July
81.3°F
116.6
August
82.8°F
196.6
September
77.9°F
182.6
October
64.8°F
136.4
November
56.1°F
90.2
December
45.5°F
29.2

Nankoku weather for the next seven days

8/18
Tuesday
Patchy rain nearby
88°F/75.4°F
8/19
Wednesday
Sunny
90.3°F/75.1°F
8/20
Thursday
Overcast
89.1°F/75.5°F
8/21
Friday
Overcast
88°F/76.6°F
8/22
Saturday
Light rain shower
85.1°F/76.2°F
8/23
Sunday
Patchy rain nearby
85.7°F/75°F
8/24
Monday
Sunny
86°F/77.3°F

Nankoku Frequently Asked Questions and Useful Information for Travel

When is the best travel season?

The best tourist season is usually the dry season (November to April of the following year), with moderate temperatures and low rainfall.

What are the must-see attractions?

Must-see attractions include an in-depth experience of local culture, unique museums and temples, and a wide range of water sports like snorkeling and diving.