Ishigaki weather by month & the best time to visit

🇯🇵 Japan · beach resort · tropical rainforest climate

The best time to visit Ishigaki is February — its sunniest month (Sunshine Score 77/100), with January and March close behind. Ishigaki averages about 1,858 hours of sunshine a year. Daytime highs around 21°C / 70°F and roughly 69 mm of rain in February.

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Sun hours / year

1,858

Sunniest month

February

Peak score

77/100

Rain / year

1,491 mm

Midday UV at peak

11 (extreme)

Sea at warmest

31°C / 88°F

Population

48k

Elevation

31 m

When is the best time to visit Ishigaki?

For sunshine, the best time to visit Ishigaki is February, then January and March. The dullest month is May (62/100, 161 mm of rain). The full month-by-month picture is in the table below.

How sunny is Ishigaki?

Ishigaki gets a moderate 1,858 hours of sunshine a year. Conditions barely change through the year — only 15 Sunshine Score points separate February from May. It ranks #20 of 79 destinations in Japan for annual sunshine, above the national median of 1,773 hours. The year's 1,491 mm of rain spreads fairly evenly across the months, with no pronounced dry season.

Sunshine Score by month

Sea temperature in Ishigaki by month

The sea off Ishigaki is warmest in July at around 31°C / 88°F, and coolest in March at 23°C / 73°F. The water sits at a comfortable 21°C or warmer roughly all year round. Month-by-month sea-surface temperatures are in the Sea column of the table above.

See Ishigaki on the interactive sunshine globe →

Nearby places for sunshine

• Miyakojima Japan · 103 km · best in Feb · 2,008 h sun/yr
• Miyakojima Japan · 115 km · best in Feb · 2,008 h sun/yr
• Taoyuan Taiwan · 313 km · best in Dec · 1,334 h sun/yr
• Taichung (Qingshui) Taiwan · 367 km · best in Feb · 1,740 h sun/yr
• Taitung Taiwan · 369 km · best in Feb · 1,763 h sun/yr
• Naha Japan · 395 km · best in Feb · 1,823 h sun/yr

Nearest destinations

• Tarama Japan · 52 km · 1,859 h sun/yr · best in Feb
• Yonaguni Japan · 128 km · 1,466 h sun/yr · best in Feb
• Hualien City Taiwan · 270 km · 1,424 h sun/yr · best in Feb

Head-to-head

How Ishigaki compares month by month: Ishigaki vs Taoyuan · Ishigaki vs Miyakojima · all comparisons