Weather in Fukuoka in April

A good month. April is a solid month to be in Fukuoka. Highs average 19.9 °C, lows 8.9 °C, and rain falls on 10 days — nothing in the month is working against you.

April ranks 2 of 12 in Fukuoka. Only October scores clearly higher, and the difference is small enough to be settled by price rather than weather.

The rain arrives in bursts — 5 of the 10 wet days are heavy ones. Mornings tend to hold; build the outdoor half of each day before lunch and keep the afternoon flexible. Nothing specialised needed — this is the month you pack for the trip rather than for the weather.

What the averages hide

Averages flatten a month, and this one hides a few things: it never really gets hot: not one day in an average April reaches 30 °C. Across the twenty years measured, the hottest April day reached 29.1 °C and the coldest night fell to 0.9 °C, and the wettest single day dropped 82 mm — roughly 59% of the month's rain in one day.

April is moderately variable: 56 mm in the driest year against 250 mm in the wettest, around an average of 140 mm. Roughly two Aprils in three land near that average, and the third does something else entirely.

Wind is light at 4.8 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 78%, high enough to notice on the warm days without dominating them.

How April sits in the year

The month is on the way up: 5.2 °C warmer than March, and May adds another 4.9 °C. Late in the month feels noticeably different from the start of it, which is worth knowing if the trip is short.

Daylight in April

13 hours of daylight, gaining 1 hours across the month. That is between Fukuoka's extremes of 14.4 and 9.9 hours, so days are long enough not to constrain the plan.

Sea temperature

The sea sits at about 15.4 °C in April — cold — a quick dip rather than a swim, and a wetsuit if you are in for longer. The sea peaks at 27.4 °C in August and bottoms out at 14.4 °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

Peak season. Expect the highest prices of the year and to be booking well ahead.

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

April in Fukuoka versus nearby

If Fukuoka is one option among several, the nearby comparison is worth making. Kitakyushu is the weaker option in April — 3 °C cooler, 1 day more rain. Hiroshima is close enough to be a coin toss — within a degree on temperature, 1 day more rain.

So: April is effectively as good as it gets here — 4 points behind October, which is inside the margin where the weather stops being the deciding factor and price starts being it.

Every month in Fukuoka

See all twelve months in Fukuoka, or where else to go in April.