Naples weather in October

In October, Naples has daytime highs averaging 21 °C, nights around 14 °C, with 11 wet days, and a sea temperature of 22 °C. Figures are 1991–2020 climate normals.

  1. Jan
  2. Feb
  3. Mar 11°
  4. Apr 14°
  5. May 18°
  6. Jun 22°
  7. Jul 25°
  8. Aug 25°
  9. Sep 22°
  10. Oct 18°
  11. Nov 14°
  12. Dec 10°

Daily temperatures through October

10°18°26°18152229
Daily highDaily low Day of month on the horizontal axis. Highs peak at 23.2 °C and lows bottom out at 12.7 °C.

How October develops

Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.

DaysAvg highAvg lowChance of rain
1–10 October22.4 °C15.6 °C35 %
11–20 October21.4 °C14.2 °C33 %
21–31 October20.0 °C13.3 °C33 %
0%50%100%151015202530
Chance of a wet day (over 1 mm) by date in October. Wettest date over the 30 years: October 21, at 53 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical October Share of the month
Days above 25 °C 1.8 of 31 6 %
Days above 30 °C 0 of 31 0 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 11 of 31 34 %

Conditions in October

MeasureAverage
Mean temperature 18 °C
Record high (1991–2020) 28 °C
Record low (1991–2020) 6.4 °C
Relative humidity 78 %
Wind speed 13 km/h
Cloud cover 50 %

Where Naples ranks in October

RankingPositionValue
Warmest sea temperatures in Europe in October18thof 5022 °C
Best beach destinations in Europe in October23rdof 5063/100
The warmest places in Europe in October30thof 5021 °C
Places with the best weather in Europe in October37thof 5087/100

October compared with the months around it

Month Avg high Rainfall Cloud
August 29.5 °C 23 mm 22 %
September 25.3 °C 90 mm 41 %
October 21.2 °C 134 mm 50 %
November 16.7 °C 174 mm 58 %
December 13.0 °C 134 mm 55 %

See all twelve months for Naples

QuestionsOctober in Naples, answered

How warm is Naples in October?

Daily highs average 21 °C and nights fall to about 14 °C, a spread of 6.9 °C between afternoon and dawn. That makes October the 6th warmest month of the year here.

Does it rain much in Naples in October?

October averages 134 mm of rain, spread over about 11 of the 31 days — 34 % of the month. Cloud cover averages 50 % of the sky.

Is the sea warm enough to swim in October?

The sea averages 22 °C off Naples in October. Most people find water below 20 °C bracing and above 25 °C comfortable for a long swim; this figure is a monthly surface average, so a sheltered bay on a still afternoon can be warmer.

How long are the days in October?

Naples averages 11 hours between sunrise and sunset in October. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.