Goto weather by month & the best time to visit

🇯🇵 Japan · beach resort · humid subtropical climate

The best time to visit Goto is October — its sunniest month (Sunshine Score 69/100), with May and June close behind. Goto averages about 1,677 hours of sunshine a year. Daytime highs around 22°C / 72°F and roughly 107 mm of rain in October.

Jump to: month-by-month table · sea temperature · nearby alternatives · embed this data

Sun hours / year

1,677

Sunniest month

October

Peak score

69/100

Rain / year

1,945 mm

Midday UV at peak

8 (very high)

Sea at warmest

30°C / 86°F

Population

34k

Elevation

76 m

When is the best time to visit Goto?

For sunshine, the best time to visit Goto is October, then May and June. The dullest month is January (19/100, 69 mm of rain). The full month-by-month picture is in the table below.

How sunny is Goto?

Goto isn't a sunny place by world standards: about 1,677 hours of sunshine a year. 50 Sunshine Score points separate October (69) from January (19), so the month you pick matters. It ranks #49 of 79 destinations in Japan for annual sunshine, below the national median of 1,773 hours. Rain has a clear season: the wettest stretch, around July, carries about 43% of the annual 1,945 mm.

Sunshine Score by month

Sea temperature in Goto by month

The sea off Goto is warmest in August at around 30°C / 86°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 Goto on the interactive sunshine globe →

Nearby places for sunshine

• Nagasaki Japan · 105 km · best in Oct · 1,779 h sun/yr
• Saga Japan · 147 km · best in Oct · 1,752 h sun/yr
• Fukuoka Japan · 182 km · best in Oct · 1,752 h sun/yr
• Kumamoto Japan · 190 km · best in Oct · 1,845 h sun/yr
• Kagoshima Japan · 202 km · best in Oct · 1,843 h sun/yr
• Jeju City South Korea · 237 km · best in Oct · 1,734 h sun/yr

Nearest destinations

• Amakusa Japan · 126 km · 1,845 h sun/yr · best in Oct
• Iki Japan · 149 km · 1,740 h sun/yr · best in Oct
• Tsushima Japan · 186 km · 1,900 h sun/yr · best in Oct