Weather in Marseille in April

Prime time. April is about as good as Marseille gets. Highs average 19.9 °C, lows 9.2 °C, and rain falls on 8 days — nothing in the month is working against you.

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

Rain on 8 days, 1 of them heavy. Enough to need a plan B, not enough to need a plan around it. 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 29.4 °C and the coldest night fell to 1.2 °C, and the wettest single day dropped 31 mm — roughly 66% of the month's rain in one day.

April is moderately variable: 7 mm in the driest year against 90 mm in the wettest, around an average of 47 mm. Roughly two Aprils in three land near that average, and the third does something else entirely.

Wind is light at 11.6 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 71%.

How April sits in the year

The month is on the way up: 3.6 °C warmer than March, and May adds another 4.2 °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

13.4 hours of daylight, gaining 1.4 hours across the month. That is between Marseille's extremes of 15.4 and 9 hours, so days are long enough not to constrain the plan.

Sea temperature

The sea sits at about 14.1 °C in April — cold — a quick dip rather than a swim, and a wetsuit if you are in for longer. The sea peaks at 22.3 °C in August and bottoms out at 12.6 °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. If the dates are flexible, March is the trade worth considering — 10 points weaker on weather, and materially quieter.

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

April in Marseille versus nearby

If Marseille is one option among several, the nearby comparison is worth making. Montpellier is close enough to be a coin toss — within a degree on temperature, the same number of rain days. Nice is the weaker option in April — 4.1 °C cooler, the same number of rain days.

So: April is effectively as good as it gets here — 2 points behind May, which is inside the margin where the weather stops being the deciding factor and price starts being it.

Every month in Marseille

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