Weather in Kagoshima in March

Shoulder season. March is shoulder season in Kagoshima — cheaper, quieter, and a genuine gamble. Highs average 16.6 °C, lows 9.5 °C, and rain falls on 12 days — nothing in the month is working against you.

March ranks 6 of 12 in Kagoshima: past the worst of the year but short of October, which is the month to book if the dates are open.

This is wet-season rain: 12 wet days and 6 genuinely heavy ones, which in this climate means concentrated downpours rather than all-day grey. The pattern is usually a clear morning and a loud afternoon, so front-load the day and stop fighting the 3pm hour. Pack for 16.6 °C days and 9.5 °C nights; the spread matters more here than any single number.

What the averages hide

The averages here are honest — no hidden extremes worth planning around. Across the twenty years measured, the hottest March day reached 24.5 °C and the coldest night fell to 1.7 °C, and the wettest single day dropped 74 mm — roughly 47% of the month's rain in one day.

March is statistically steady but not small: the year-to-year variation is modest in relative terms, yet the wettest March on record still delivered 286 mm against 51 mm in the driest. In a month this wet, even a tame spread is a lot of rain in absolute terms — the 158 mm average is a reasonable planning figure, not a promise.

Wind is light at 15.2 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 75%, high enough to notice on the warm days without dominating them.

How March sits in the year

The month is on the way up: 2.5 °C warmer than February, and April adds another 3.9 °C. Late in the month feels noticeably different from the start of it, which is worth knowing if the trip is short.

Daylight in March

11.9 hours of daylight, gaining 1 hours across the month. That is between Kagoshima's extremes of 14.2 and 10.1 hours, so days are long enough not to constrain the plan.

Sea temperature

The sea sits at about 20.6 °C in March — swimmable, but it takes a moment to commit. The sea peaks at 29.2 °C in August and bottoms out at 20.1 °C — water lags the air by a month or two, which is why the best swimming often comes after the best weather.

How busy it gets

Shoulder. The value months — prices ease off and you get the place closer to itself.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

March in Kagoshima versus nearby

If Kagoshima is one option among several, the nearby comparison is worth making. Fukuoka is close enough to be a coin toss — within a degree on temperature, 1 day less rain. Kitakyushu is the weaker option in March — 3.8 °C cooler, the same number of rain days.

So: March works, with October the better month by 15 points if the dates can move. If they cannot, nothing here should stop you booking.

Every month in Kagoshima

See all twelve months in Kagoshima, or where else to go in March.