バチカン 8月の天気
バチカンの8月:猛暑、雨が少ない — 午後35°Cの暑さが気にならなければ悪くない時期。
2026年9月更新 · ERA5再解析による気候平年値
バチカンでは12か月中8位 · 8月に訪れたい旅行先で1413か所中782位 · 快適スコア77/100(Bランク)
- 日中
- 33°C
- 夜
- 21°C
- 雨の日
- 5
- 日照
- 12.4 h
- 湿度
- 63%
- 日の長さ
- 14 h

8月のバチカンについての旅行者の声
近くのローマからのメモ(5 km)
バチカンには8月のメモがまだありません — これは季節を共にする近くのローマについてのメモです。
Rome-forum threads asking for August weather advice are consistent it runs genuinely intense, temperatures regularly climbing past the mid-90s Fahrenheit, and posters call out the city's stone streets and buildings as radiators that hold and re-emit heat well after sunset, keeping nights uncomfortably warm too. The standing strategy is front-loading open-air sights like the Colosseum and Forum for early morning, retreating into shade through the worst midday hours, and using the city's public fountains to refill water bottles all day. Many long-time residents do leave for the coast this month, but posters are clear the city itself stays fully open and busy regardless. Regulars call August workable with real planning, just not a month for a packed, non-stop itinerary. The record: a scorching 32.9C by day feeling like a punishing 35C, 20.8C nights, just 30mm across 5.3 days, a 25.6C sea, 63 percent humidity and 12.4 hours of sun.
バチカンのほかの月
Regulars are clear this remains high season for the Vatican Museums specifically, with significant crowds still the norm even as the wider city's summer peak eases - advance booking is called worth arranging for the Museums, the dome and nearby sights rather than a last-minute plan. Our row backs a still-warm first half of the month, 27.6C reading as a real 29C, over 17.1C nights, with 96.8mm of rain across 8.8 days - regulars note rain tends to pick up more in the back half of the month as the shift toward October's wetter pattern begins. The record: humidity 73 percent, 10.3 hours of sun, a 13.2 kph wind and AQI 51.
June here sets a problem the dress code and the thermometer create together: shoulders and knees must be covered, and our row reads 29.8C as a felt 32C with 13.4 hours of sun. The board's answer is a large scarf or pashmina rather than a jacket - carried, not worn, and put on at the door. Their other standing advice is the clock: buy tickets in advance, and take the earliest slot, because the basilica opens at seven and the queues in high season are long by mid-morning. Rain has effectively stopped at 28.3mm across 4.7 days. Nights fall to 17.9C, which is the pleasant part of the day. The record: humidity 67 percent, a 14.3 kph wind and AQI 57.
Regulars are blunt that October is not a quiet month here - it is high season, the museum queues are long and the advice is to book online and consider a Friday evening slot if one is offered. The basilica line moves fast; the museums are the bottleneck. What October does give is walkable weather: 23C by day over 13.2C nights, and mornings and evenings cool enough that layers get carried rather than worn. The trade is rain, 98.9mm across 9.7 days, so a hooded waterproof and shoes that manage wet cobbles. Sun is down to 8.7 hours inside 11.1 of daylight. The record: humidity 78 percent, a 12.9 kph wind and AQI 53.
Rome-forum threads on Holy Week are unambiguous about the Vatican specifically: when Easter lands in April, the Museums are 'one of the most crowded places on earth' for the surrounding week and there is no best day to go, though posters note the crowd pressure is more a Monday problem than Easter Sunday itself, since many visitors go home for the holiday. A second, recurring warning: Italian school groups flood the Museums every Tuesday and Thursday morning regardless of the date, Easter or not. Weather-wise, April is mild but unsettled - daytime highs near 20C with sudden showers rolling through. The record: 20C days feeling like 19C, 8.9C nights, 56mm of rain across 9.6 days and 10.9 hours of sun - book well ahead and go early, whichever week you land in.
地図のバチカンのカードから自分のメモを追加できます。
バチカンの気候平年値 — 8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。
8月のバチカンの混雑
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Free entry, last Sunday、Wednesday papal audience、主な訪問国のうち7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
バチカンの天気が良い月
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)。
天気はまずまずバチカンの天気が最も良いのは4月、5月、10月です — ひと続きのシーズンではなく、別々の時期です。
天気が最高天気はまずまず天気が厳しい
8月のバチカンのイベント
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。
- ルール
Free entry, last Sunday
1月1日〜12月31日混雑The museums are shut on Sundays except the last of each month, when they open free until early afternoon. The queue for that starts before dawn and wraps most of the wall. 出典 ↗
- ルール
Wednesday papal audience
1月1日〜12月31日混雑休業The general audience is held on Wednesday mornings, outdoors in St Peter's Square for most of the year. Tickets are free but the square is closed to sightseers while it runs. 出典 ↗
- オープン
Friday evening museum openings
4月15日〜10月31日 · 例年夏季営業スタート早めの予約をThe museums open on Friday evenings from spring to late October, online booking only and capped in number. It is the one slot where the Sistine Chapel is not shoulder to shoulder. 出典 ↗
- 季節
Summer queue on the wall
6月15日〜9月5日酷暑混雑In high summer the unbooked entrance queue runs along an unshaded wall for hours and the Sistine Chapel is packed shoulder to shoulder. A timed ticket or the first slot of the day is the only fix. 出典 ↗
- 休業
Assumption closures
8月14日〜16日The museums shut on 15 August with the rest of Italy, and the surrounding streets are as empty as they ever get. The basilica itself stays open. 出典 ↗
近くで開催中のイベント
バチカンから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。
バチカンはどこにある?
8月のバチカン — よくある質問
- 8月はバチカンを訪れるのに良い時期ですか?
- バチカンの8月:猛暑、雨が少ない — 午後35°Cの暑さが気にならなければ悪くない時期。SeasonMapの快適スコアでは、バチカンの12か月中8位です(77/100)。
- 8月のバチカンはどんな天気ですか?
- 8月のバチカンは、平均最高気温32.8°C、最低気温21°C、降水量は約29.6 mmで、雨の日はおよそ5.3日です。
- 8月のバチカンの大気質はどうですか?
- 8月のバチカンの米国大気質指数(US AQI)は、平均約58です。
300 km圏内:RomeのEstate Romana(6月1日〜9月30日ごろ)、SienaのPalio of 16 August(8月13日〜16日)。