シラクサ 12月の天気
シラクサの12月:涼しい、ときどき雨、空気がきれい — 訪れるのに絶好の時期。
2026年9月更新 · ERA5再解析による気候平年値
シラクサでは12か月中9位 · 12月に訪れたい旅行先で1413か所中467位 · 快適スコア80/100(Aランク)
- 日中
- 16°C
- 夜
- 12°C
- 雨の日
- 8
- 日照
- 7.5 h
- 湿度
- 77%
- 日の長さ
- 10 h

12月のシラクサについての旅行者の声
シラクサのほかの月
Regulars are consistent that early-to-mid October stays genuinely warm enough for the beach, with the odd quick shower or short thunderstorm passing through before the sun returns rather than settling in for the day. Our row backs that warm, still-showery read, 23.6C over 18.4C nights, with 81.6mm of rain across 8.2 days and humidity at 77 percent. Regulars are specific that some recent Octobers have run gloriously warm and sunny straight through, though the month's weather stays genuinely changeable year to year. A light rain jacket and a warmer layer for evenings remain the standard packing advice regardless. The sea sits at a warm 24.6C, still comfortably swimmable. The record: 9.3 hours of sun, a 19.5 kph wind and AQI 47.
Regulars call this a very good month, the start of the season proper without July's heat or crowds yet arrived - beach season with full services begins now, and the platforms at spots like Forte Vigliena are normally up in time. Our row backs the warmth, 27.9C reading as 31C over 21.1C nights, with rain essentially gone, 11.5mm across just over a day. Sea temperature is the one point of disagreement: our column reads 23C, and regulars sensitive to water temperature still call June a touch cold for swimming, though visitors from colder climates find it acceptable and do swim regardless. Ortigia's free swimming spots - the rocks at Forte Vigliena, the sand below Hotel Royal Maniace, the pebbles at Cala Rossa - are all named specifically rather than just 'the beach'. The record: humidity 66 percent, 13.3 hours of sun, a 15.8 kph wind and AQI 59.
Syracuse-forum threads on winter stays in Siracusa describe January as mild by Sicilian coastal standards, rarely dropping below the high 40s Fahrenheit, but posters are candid that humidity makes the cold feel sharper than the number alone suggests. Rain is genuinely likely this time of year, since winter is the wet season on the island, and posters describe conditions swinging from lovely and sunny right through December into early January before turning colder and damper as January and February wear on. Ortigia's old town is called fully alive despite the low season, restaurants and pizzerias open and busy with local residents rather than tourists, some coming over from nearby Catania just for a day out. Regulars call it a genuinely pleasant, quiet month for anyone not chasing beach weather. The record: 14.9C days feeling like 12C, 9.7C nights, 49mm across 6.1 days, a 16.2C sea, 76 percent humidity and 8.1 hours of sun.
March in Syracuse is low season and, regulars say, a very good time to be in Sicily anyway: the flowers start, the tourist onslaught has not, and the island is at the end of its rainy season. Their Sicilian range of 43 to 64F depending where you stand is our row's 16.7C over 11C, with 44.7mm across 6.3 precipitation days and a 23 kph wind. What they will not promise is consistency - March and early April are transitional, changeable and hard to predict, so the advice is layers. Ortigia itself is small enough that nothing is far from anything, which matters more in a month that can turn wet without warning. The record: feels-like 15C by day and 8C at night, humidity 76 percent and 10.1 hours of sun.
地図のシラクサのカードから自分のメモを追加できます。
シラクサの気候平年値 — 12月
ERA5再解析による月平均値です。AQIはその月の平均US AQI(米国大気質指数)です。
12月のシラクサの混雑
その場所自体の混み具合 — 学校休暇や大型連休、編集部がタグ付けした月、そして天気の良さによる人気の高さ。快適スコアには含まれません。
ピークの混雑Santa Lucia、イタリアのChristmas holidays、主な訪問国のうち6か国で学校休暇(推定)
ピークの混雑混雑ショルダーシーズン閑散
シラクサの天気が良い月
この旅行先自身の一年間の快適スコアでランキングしています — 混み具合とは別のものです(上の「混雑」を参照)。
天気はまずまずシラクサの天気は一年を通じて大きく変わりません — どの月も快適さはほぼ一定です。
12月のシラクサのイベント
毎年の季節のイベント、自然の見どころ、休業、祝日 — 厳選し出典を明記しています。
- 季節
Winter quiet
11月1日〜3月31日 · 例年オフシーズンの休業Once the sea cools, the beach clubs south of the city close, boat trips around Ortigia run only on calm days and some seasonal restaurants shut. Ortigia itself stays lived-in, and rooms are far easier to find.
- 祭り
Santa Lucia
12月13日〜20日宗教祭事混雑The city's own saint. On 13 December the silver statue is carried out of the cathedral and across the bridge to her basilica, and nobody in Syracuse eats bread that day, only cuccia. 出典 ↗
近くで開催中のイベント
シラクサから300 km以内 — 日帰りやちょっとした移動で行けて、今月何かがある場所です。快適スコアには含まれません。
シラクサはどこにある?
12月のシラクサ — よくある質問
- 12月はシラクサを訪れるのに良い時期ですか?
- シラクサの12月:涼しい、ときどき雨、空気がきれい — 訪れるのに絶好の時期。SeasonMapの快適スコアでは、シラクサの12か月中9位です(80/100)。
- 12月のシラクサはどんな天気ですか?
- 12月のシラクサは、平均最高気温16.4°C、最低気温11.5°C、降水量は約45.6 mmで、雨の日はおよそ7.8日です。
- 12月のシラクサの大気質はどうですか?
- 12月のシラクサの米国大気質指数(US AQI)は、平均約35です。
300 km圏内:CataniaのBlood orange harvest(12月15日〜4月15日ごろ)、TaorminaのSnow on Etna(12月15日〜3月31日ごろ)。