Sicily weather in January
Sicily averages 15°C by day and 9°C at night in January, with the sea at 16°C and about 86 mm of rain in the month. That is about 2°C cooler than December.
Day
15°C
Night
9°C
Sea
16°C
Rain
86 mm
Flight from London
2½h
What January feels like
January is cool in Sicily: bring a proper jacket.
The sea is 16°C: cold for swimming, so plan on a heated pool.
Expect some rainy spells: about 86 mm falls in the month.
That is 7°C warmer than an average January day in London.
Of the 56 sun destinations we track, Sicily is the #54 warmest in January, and #21 of 23 within 5½ hours of the UK.
Going to Sicily in January?
Share the TikToks and Instagram Reels you've saved for Sicily to Dream Trip. It finds the places, pins them on a map and builds your days around them.
Want it warmer in January?
These are hotter than Sicily this month for at most an hour and a half more flying:
Sicily weather by month
January is highlighted. Compare with December and February, or see the full year in Sicily.
Sicily in January: quick answers
Is Sicily hot in January?
January is cool in Sicily: bring a proper jacket. Average highs are 15°C and lows 9°C.
Can you swim in Sicily in January?
The sea is 16°C: cold for swimming, so plan on a heated pool.
Does it rain in Sicily in January?
Expect some rainy spells: about 86 mm falls in the month.
What is the warmest month in Sicily?
July, at an average high of 31°C. The coolest is January at 15°C.
How long is the flight to Sicily from the UK?
About 2½h direct from London, estimated from the 1,835 km distance. Check your airline for exact times.
Still choosing? See where is hot in January for every destination ranked by temperature, sea and flight time.
How we measured this
Averages of every day in January from 2016 to 2025, from the Open-Meteo historical weather archive (ECMWF ERA5 reanalysis). Sea temperature is the 2023 to 2025 average from the Open-Meteo marine archive. Rain is the average monthly total. Reanalysis describes an area about 25 km across, so sheltered resorts can run a degree or two warmer. Flight time is a distance-based estimate from London Heathrow.
Planning Sicily in January?
Save the restaurants, beaches and views you find on TikTok and Instagram for Sicily straight to a map, then let Dream Trip turn them into a day-by-day plan.
