Shirahama weather by month & the best time to visit

🇯🇵 Japan · beach resort · humid subtropical climate

The best time to visit Shirahama is November — its sunniest month (Sunshine Score 64/100), with May and June close behind. Shirahama averages about 1,967 hours of sunshine a year. Daytime highs around 19°C / 66°F and roughly 113 mm of rain in November.

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Sun hours / year

1,967

Sunniest month

November

Peak score

64/100

Rain / year

1,966 mm

Midday UV at peak

8 (very high)

Sea at warmest

29°C / 84°F

Population

23k

Elevation

89 m

When is the best time to visit Shirahama?

For sunshine, the best time to visit Shirahama is November, then May and June. The dullest month is January (19/100, 70 mm of rain). The full month-by-month picture is in the table below.

How sunny is Shirahama?

Shirahama gets a moderate 1,967 hours of sunshine a year. 45 Sunshine Score points separate November (64) from January (19), so the month you pick matters. It ranks #8 of 79 destinations in Japan for annual sunshine, above the national median of 1,773 hours. The year's 1,966 mm of rain spreads fairly evenly across the months, with no pronounced dry season.

Sunshine Score by month

Sea temperature in Shirahama by month

The sea off Shirahama is warmest in August at around 29°C / 84°F, and coolest in January at 17°C / 63°F. The water sits at a comfortable 21°C or warmer roughly 6 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.

See Shirahama on the interactive sunshine globe →

Nearby places for sunshine

• Osaka Japan · 86 km · best in May · 1,831 h sun/yr
• Tokushima Japan · 87 km · best in Apr · 1,982 h sun/yr
• Kobe Japan · 109 km · best in May · 1,831 h sun/yr
• Takamatsu Japan · 139 km · best in May · 1,982 h sun/yr
• Kochi (Japan) Japan · 157 km · best in May · 1,922 h sun/yr
• Okayama Japan · 185 km · best in Aug · 1,914 h sun/yr