Kochi (Japan) weather by month & the best time to visit
Japan · beach resort · humid subtropical climate
The best time to visit Kochi (Japan) is May — its sunniest month (Sunshine Score 62/100), with June and July close behind. Kochi (Japan) averages about 1,922 hours of sunshine a year. Daytime highs around 23°C / 73°F and roughly 212 mm of rain in May.
When is the best time to visit Kochi (Japan)?
For sunshine, the best time to visit Kochi (Japan) is May, then June and July. The dullest month is January (13/100, 68 mm of rain). The full month-by-month picture is in the table below.
How sunny is Kochi (Japan)?
Kochi (Japan) gets a moderate 1,922 hours of sunshine a year. 49 Sunshine Score points separate May (62) from January (13), so the month you pick matters. It ranks #11 of 79 destinations in Japan for annual sunshine, above the national median of 1,773 hours. The year's 2,190 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 13 | 10° / 50°F | 5° / 41°F | 68 mm | 2 | 17° / 63°F |
| February | 24 | 12° / 54°F | 6° / 43°F | 103 mm | 3 | 17° / 63°F |
| March | 38 | 15° / 59°F | 8° / 46°F | 137 mm | 4 | 17° / 63°F |
| April | 57 | 19° / 66°F | 13° / 55°F | 169 mm | 6 | 19° / 66°F |
| May | 62 | 23° / 73°F | 17° / 63°F | 212 mm | 6 | 21° / 70°F |
| June | 62 | 26° / 79°F | 21° / 70°F | 298 mm | 6 | 24° / 75°F |
| July | 62 | 29° / 84°F | 25° / 77°F | 291 mm | 7 | 28° / 82°F |
| August | 62 | 30° / 86°F | 26° / 79°F | 236 mm | 8 | 31° / 88°F |
| September | 62 | 28° / 82°F | 23° / 73°F | 286 mm | 6 | 30° / 86°F |
| October | 62 | 23° / 73°F | 18° / 64°F | 194 mm | 5 | 27° / 81°F |
| November | 58 | 18° / 64°F | 13° / 55°F | 110 mm | 3 | 24° / 75°F |
| December | 31 | 13° / 55°F | 7° / 45°F | 86 mm | 2 | 20° / 68°F |
Sea temperature in Kochi (Japan) by month
The sea off Kochi (Japan) is warmest in August at around 31°C / 88°F, and coolest in January at 17°C / 63°F. The water sits at a comfortable 21°C or warmer roughly 7 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Head-to-head
How Kochi (Japan) compares month by month: Kochi (Japan) vs Matsuyama · Kochi (Japan) vs Tokushima · Kochi (Japan) vs Takamatsu · all comparisons
Kochi (Japan): questions and answers
What kind of destination is Kochi (Japan)?
Kochi (Japan) is a beach resort in Japan with a humid subtropical climate — the sea reaches 31°C at its warmest and is swimmable (21°C+) about 7 months a year.
How many hours of sunshine does Kochi (Japan) get a year?
Kochi (Japan) gets about 1,922 hours of sunshine a year, at its best around May.
When is the best time to visit Kochi (Japan)?
The sunniest time to visit Kochi (Japan) is May, when the Sunshine Score peaks at 62/100 (with June and July close behind). Expect daytime highs around 23°C / 73°F.
What is the least sunny month in Kochi (Japan)?
January is the least sunny month in Kochi (Japan), scoring 13/100 with about 68 mm of rain.
What is the sea temperature in Kochi (Japan)?
The sea in Kochi (Japan) ranges from about 17°C (January) to 31°C (August). Month-by-month sea temperatures are on this page.
How strong is the sun in Kochi (Japan)?
The typical midday UV index in Kochi (Japan) peaks around 8 (very high) in August, easing to about 2 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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