Takamatsu weather by month & the best time to visit
Japan · coastal city break · humid subtropical climate

The best time to visit Takamatsu is May — its sunniest month (Sunshine Score 63/100), with June and July close behind. Takamatsu averages about 1,982 hours of sunshine a year. Daytime highs around 23°C / 73°F and roughly 176 mm of rain in May.
When is the best time to visit Takamatsu?
For sunshine, the best time to visit Takamatsu is May, then June and July. The dullest month is January (0/100, 59 mm of rain). The full month-by-month picture is in the table below.
How sunny is Takamatsu?
Takamatsu gets a moderate 1,982 hours of sunshine a year. 63 Sunshine Score points separate May (63) from January (0), so the month you pick matters. It ranks #6 of 79 destinations in Japan for annual sunshine, above the national median of 1,773 hours. The year's 1,866 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 | 0 | 8° / 46°F | 1° / 34°F | 59 mm | 2 | 12° / 54°F |
| February | 6 | 9° / 48°F | 2° / 36°F | 86 mm | 3 | 11° / 52°F |
| March | 29 | 13° / 55°F | 4° / 39°F | 119 mm | 4 | 11° / 52°F |
| April | 54 | 18° / 64°F | 9° / 48°F | 137 mm | 6 | 15° / 59°F |
| May | 63 | 23° / 73°F | 14° / 57°F | 176 mm | 6 | 18° / 64°F |
| June | 63 | 26° / 79°F | 19° / 66°F | 253 mm | 6 | 22° / 72°F |
| July | 63 | 29° / 84°F | 23° / 73°F | 264 mm | 7 | 27° / 81°F |
| August | 63 | 30° / 86°F | 24° / 75°F | 197 mm | 8 | 30° / 86°F |
| September | 63 | 27° / 81°F | 20° / 68°F | 245 mm | 6 | 29° / 84°F |
| October | 63 | 22° / 72°F | 14° / 57°F | 166 mm | 5 | 25° / 77°F |
| November | 50 | 16° / 61°F | 9° / 48°F | 87 mm | 3 | 20° / 68°F |
| December | 13 | 10° / 50°F | 3° / 37°F | 77 mm | 2 | 14° / 57°F |
Sea temperature in Takamatsu by month
The sea off Takamatsu is warmest in August at around 30°C / 86°F, and coolest in February at 11°C / 52°F. The water sits at a comfortable 21°C or warmer roughly 5 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Head-to-head
How Takamatsu compares month by month: Takamatsu vs Osaka · Takamatsu vs Kobe · Takamatsu vs Okayama · Takamatsu vs Tokushima · all comparisons
Takamatsu: questions and answers
What kind of destination is Takamatsu?
Takamatsu is a coastal city break in Japan with a humid subtropical climate — the sea reaches 30°C at its warmest and is swimmable (21°C+) about 5 months a year.
How many hours of sunshine does Takamatsu get a year?
Takamatsu gets about 1,982 hours of sunshine a year, at its best around May.
When is the best time to visit Takamatsu?
The sunniest time to visit Takamatsu is May, when the Sunshine Score peaks at 63/100 (with June and July close behind). Expect daytime highs around 23°C / 73°F.
What is the least sunny month in Takamatsu?
January is the least sunny month in Takamatsu, scoring 0/100 with about 59 mm of rain.
What is the sea temperature in Takamatsu?
The sea in Takamatsu ranges from about 11°C (February) to 30°C (August). Month-by-month sea temperatures are on this page.
How strong is the sun in Takamatsu?
The typical midday UV index in Takamatsu 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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