Kitakyushu weather by month & the best time to visit
Japan · coastal city break · humid subtropical climate
The best time to visit Kitakyushu is October — its sunniest month (Sunshine Score 69/100), with May and June close behind. Kitakyushu averages about 1,801 hours of sunshine a year. Daytime highs around 22°C / 72°F and roughly 108 mm of rain in October.
When is the best time to visit Kitakyushu?
For sunshine, the best time to visit Kitakyushu is October, then May and June. The dullest month is January (6/100, 76 mm of rain). The full month-by-month picture is in the table below.
How sunny is Kitakyushu?
Kitakyushu gets a moderate 1,801 hours of sunshine a year. 63 Sunshine Score points separate October (69) from January (6), so the month you pick matters. It ranks #36 of 79 destinations in Japan for annual sunshine, above the national median of 1,773 hours. Rain has a clear season: the wettest stretch, around July, carries about 43% of the annual 1,822 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 6 | 9° / 48°F | 3° / 37°F | 76 mm | 2 | 9° / 48°F |
| February | 12 | 10° / 50°F | 3° / 37°F | 85 mm | 3 | 10° / 50°F |
| March | 34 | 14° / 57°F | 5° / 41°F | 120 mm | 4 | 11° / 52°F |
| April | 58 | 19° / 66°F | 9° / 48°F | 139 mm | 5 | 16° / 61°F |
| May | 62 | 23° / 73°F | 14° / 57°F | 156 mm | 6 | 20° / 68°F |
| June | 62 | 26° / 79°F | 19° / 66°F | 266 mm | 6 | 24° / 75°F |
| July | 62 | 30° / 86°F | 23° / 73°F | 330 mm | 7 | 29° / 84°F |
| August | 62 | 31° / 88°F | 24° / 75°F | 180 mm | 8 | 32° / 90°F |
| September | 62 | 27° / 81°F | 21° / 70°F | 194 mm | 6 | 30° / 86°F |
| October | 69 | 22° / 72°F | 15° / 59°F | 108 mm | 5 | 24° / 75°F |
| November | 55 | 17° / 63°F | 10° / 50°F | 84 mm | 3 | 19° / 66°F |
| December | 18 | 11° / 52°F | 5° / 41°F | 84 mm | 2 | 12° / 54°F |
Sea temperature in Kitakyushu by month
The sea off Kitakyushu is warmest in August at around 32°C / 90°F, and coolest in January at 9°C / 48°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.
Nearest destinations
Head-to-head
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Kitakyushu: questions and answers
What kind of destination is Kitakyushu?
Kitakyushu is a coastal city break in Japan with a humid subtropical climate — the sea reaches 32°C at its warmest and is swimmable (21°C+) about 5 months a year.
How many hours of sunshine does Kitakyushu get a year?
Kitakyushu gets about 1,801 hours of sunshine a year, at its best around October.
When is the best time to visit Kitakyushu?
The sunniest time to visit Kitakyushu 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 Kitakyushu?
January is the least sunny month in Kitakyushu, scoring 6/100 with about 76 mm of rain.
What is the sea temperature in Kitakyushu?
The sea in Kitakyushu ranges from about 9°C (January) to 32°C (August). Month-by-month sea temperatures are on this page.
How strong is the sun in Kitakyushu?
The typical midday UV index in Kitakyushu 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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