Weather in Sicily in October

How October compares

October is the 6th warmest month of the year in Sicily and ranks 69th of 134 destinations we compare for October - see where else is hot in October. Within Italy it is 1st of 16 (Italy in October). Against London's average high of 14.6°C in October, Sicily is 8.8°C warmer by day and 8.2°C warmer at night.

Daytime and night-time in October

The typical October day in Sicily peaks at 23.4°C, but that is an average: the warmest 10% of days reach 26.9°C or more. Roughly 1 in 4 days top 25°C and 1 in 100 pass 30°C. Nights average 16.6°C; one night in ten drops to 13.8°C or lower, so pack a layer for evenings. Between 1991 and 2020 the hottest October day here reached 34.6°C (1999-10-27) and the coldest night 9.6°C (2009-10-20).

Rain in October

Wet (more than 8 rainy days): about 8 days with 1 mm or more, 71 mm in total. Year to year it varies a lot - the wettest October was 2018 with 311 mm, the driest 2004 with 4 mm. Humidity averages 76%.

Sea temperature in October

The sea averages 22.6°C - warm enough to swim (22°c+). Depending on the year it ranges from 21.6°C to 23.7°C. For the warmest sea here, come in August (26.4°C).

Sunshine and daylight

Around 5.9 hours of sunshine a day (estimated from cloud cover), 11.0 hours of daylight: the sun rises about 07:08 and sets about 18:23 local time in mid-October. Average cloud cover is 46%.

Is October a good time to visit Sicily?

It is a reasonable choice: warm days but expect showers. The best months for Sicily on our scoring are July, August, June; months averaging 25°C or more: Jun, Jul, Aug, Sep.

Warm days, with a layer for evenings

Expect warmth rather than persistent heat. The average daytime high is comfortable for spending time outdoors, and 27% of days reach 25°C, so light clothes still deserve space in your bag. Hotter afternoons can call for shade and a slower pace, but days reaching 30°C are unusual. Evenings need a different approach: the average night low is 16.6°C, with the coldest nights dropping to 13.8°C or lower. Pack a jumper or light jacket alongside your daytime clothes. This balance suits travellers who want to be outside without relying on intense heat, but it will not feel like summer around the clock.

Leave room for rain in your plans

Rain is the main compromise, not a reason to rule October out. About 8 days have measurable rain, so a waterproof layer and shoes you are comfortable wearing in wet weather are sensible additions. That figure does not tell you how long any spell will last, so avoid treating a rainy day as automatically lost. There are about 5.9 hours of sunshine a day on average, leaving scope for outdoor plans without promising clear skies throughout your stay. Keep your schedule flexible and make use of dry periods. If reliable sunshine matters more than comfortable temperatures, October is a less convincing choice.

Swimming is realistic, but beach days need flexibility

The sea is a good reason to consider Sicily in October. At an average 22.6°C, it falls in the swimming range rather than the bracing category, although personal comfort varies. The year-to-year range of 22°C to 24°C also supports packing swimwear rather than assuming the swimming season is over. The bigger limitation for a beach-focused trip is the weather above the water: warm sea temperatures do not guarantee a sunny afternoon or comfortable conditions for sitting out afterwards. Plan swims around suitable weather and bring something dry to put on. October works better for swimming as part of a varied break than as its sole purpose.