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.
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
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 19 | 11° / 52°F | 9° / 48°F | 69 mm | 2 | 17° / 63°F |
| February | 24 | 12° / 54°F | 9° / 48°F | 84 mm | 3 | 17° / 63°F |
| March | 34 | 14° / 57°F | 11° / 52°F | 116 mm | 5 | 17° / 63°F |
| April | 46 | 17° / 63°F | 15° / 59°F | 154 mm | 6 | 18° / 64°F |
| May | 61 | 20° / 68°F | 18° / 64°F | 193 mm | 6 | 20° / 68°F |
| June | 61 | 23° / 73°F | 21° / 70°F | 340 mm | 6 | 22° / 72°F |
| July | 61 | 26° / 79°F | 25° / 77°F | 286 mm | 8 | 26° / 79°F |
| August | 61 | 28° / 82°F | 27° / 81°F | 217 mm | 8 | 30° / 86°F |
| September | 61 | 26° / 79°F | 24° / 75°F | 212 mm | 7 | 29° / 84°F |
| October | 69 | 22° / 72°F | 21° / 70°F | 107 mm | 5 | 26° / 79°F |
| November | 60 | 18° / 64°F | 16° / 61°F | 91 mm | 3 | 24° / 75°F |
| December | 37 | 14° / 57°F | 11° / 52°F | 76 mm | 2 | 19° / 66°F |
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.
Nearest destinations
Goto: questions and answers
What kind of destination is Goto?
Goto is a beach resort in Japan with a humid subtropical climate — the sea reaches 30°C at its warmest and is swimmable (21°C+) about 6 months a year.
How many hours of sunshine does Goto get a year?
Goto gets about 1,677 hours of sunshine a year, at its best around October.
When is the best time to visit Goto?
The sunniest time to visit Goto is October, when the Sunshine Score peaks at 69/100 (with May and June close behind). Expect daytime highs around 22°C / 72°F.
What is the least sunny month in Goto?
January is the least sunny month in Goto, scoring 19/100 with about 69 mm of rain.
What is the sea temperature in Goto?
The sea in Goto ranges from about 17°C (January) to 30°C (August). Month-by-month sea temperatures are on this page.
How strong is the sun in Goto?
The typical midday UV index in Goto peaks around 8 (very high) in July, easing to about 2 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
Put the Goto sunshine badge on your site
A compact badge showing Goto's sunshine at a glance — free to embed under CC BY 4.0. Paste this wherever you'd like it to appear:
Live preview — this is exactly what your readers see: