Weather in Naples in October

Prime time. October is about as good as Naples gets. Highs average 23.6 °C, lows 14.8 °C, and rain falls on 10 days — nothing in the month is working against you.

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

Rain on 10 days, 2 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 October reaches 30 °C. Across the twenty years measured, the hottest October day reached 30.6 °C and the coldest night fell to 6.8 °C, and the wettest single day dropped 58 mm — roughly 76% of the month's rain in one day.

October is moderately variable: 8 mm in the driest year against 178 mm in the wettest, around an average of 76 mm. Roughly two Octobers in three land near that average, and the third does something else entirely.

Wind is light at 6.8 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 October sits in the year

The month is on the way down: 4.4 °C cooler than September, with November dropping another 5.4 °C. The first week and the last are not the same trip.

Daylight in October

11.2 hours of daylight, losing 1.3 hours across the month. That is between Naples's extremes of 15.1 and 9.3 hours, so days are long enough not to constrain the plan.

Sea temperature

The sea sits at about 22.1 °C in October — comfortable for a proper swim. The sea peaks at 26.7 °C in August and bottoms out at 14.3 °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.

October in Naples versus nearby

If Naples is one option among several, the nearby comparison is worth making. Positano is close enough to be a coin toss — 2.2 °C cooler, 1 day more rain. Rome is close enough to be a coin toss — within a degree on temperature, the same number of rain days.

So: October is effectively as good as it gets here — 3 points behind May, which is inside the margin where the weather stops being the deciding factor and price starts being it.

Every month in Naples

See all twelve months in Naples, or where else to go in October.