Castelló de la Plana weather in October

In October, Castelló de la Plana has daytime highs averaging 22 °C, nights around 15 °C, with 5.8 wet days, and a sea temperature of 22 °C. Figures are 1991–2020 climate normals.

  1. Jan 10°
  2. Feb 10°
  3. Mar 13°
  4. Apr 15°
  5. May 18°
  6. Jun 22°
  7. Jul 25°
  8. Aug 25°
  9. Sep 22°
  10. Oct 18°
  11. Nov 14°
  12. Dec 11°

Daily temperatures through October

11° 19° 27° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 24.3 °C and lows bottom out at 13.1 °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.

Days Avg high Avg low Chance of rain
1–10 October 23.5 °C 16.2 °C 12 %
11–20 October 21.9 °C 15.1 °C 22 %
21–31 October 20.9 °C 13.8 °C 20 %
0% 50% 100% 1 5 10 15 20 25 30
Chance of a wet day (over 1 mm) by date in October. Wettest date over the 30 years: October 14, at 40 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical October Share of the month
Days above 25 °C 4.0 of 31 13 %
Days above 30 °C 0.07 of 31 0 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 5.8 of 31 19 %

Conditions in October

MeasureAverage
Mean temperature 18 °C
Record high (1991–2020) 33 °C
Record low (1991–2020) 6.5 °C
Relative humidity 73 %
Wind speed 16 km/h
Cloud cover 46 %

Where Castelló de la Plana ranks in October

Ranking Position Value
Places with the best weather in Europe in October 3rd of 50 95/100
Best beach destinations in Europe in October 12th of 50 76/100
Warmest sea temperatures in Europe in October 16th of 50 22 °C
The warmest places in Europe in October 21st of 50 22 °C

October compared with the months around it

Month Avg high Rainfall Cloud
August 28.4 °C 19 mm 32 %
September 25.5 °C 47 mm 42 %
October 22.0 °C 50 mm 46 %
November 17.6 °C 43 mm 45 %
December 14.7 °C 35 mm 46 %

See all twelve months for Castelló de la Plana

QuestionsOctober in Castelló de la Plana, answered

How warm is Castelló de la Plana in October?

Daily highs average 22 °C and nights fall to about 15 °C, a spread of 7.0 °C between afternoon and dawn. That makes October the 5th warmest month of the year here.

Does it rain much in Castelló de la Plana in October?

October averages 50 mm of rain, spread over about 6 of the 31 days — 19 % of the month. Cloud cover averages 46 % of the sky.

Is the sea warm enough to swim in October?

The sea averages 22 °C off Castelló de la Plana 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?

Castelló de la Plana 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.