ナント 4月の天気
ナントの4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
ナントでは12か月中6位 · 4月に訪れたい旅行先で1413か所中577位 · 快適スコア81/100(Aランク)
- 日中
- 17°C
- 夜
- 7°C
- 雨の日
- 8
- 日照
- 9.9 h
- 湿度
- 74%
- 日の長さ
- 14 h

4月のナントについての旅行者の声
Regulars describe this month as genuinely fifty-fifty, warm or cold and sunny or rainy with no reliable way to predict which combination a trip will get, though they're consistent that flowers are everywhere by this point, making gardens and walks along the Loire especially rewarding regardless of the forecast. Our row backs that mild, genuinely wet read, 17.1C over 6.9C nights feeling 4C, with 49.9mm of rain across 8.3 days and humidity at 74 percent. Regulars are consistent layers remain the standard advice given the real coin-flip nature of the month, a light rain jacket worth having even on a promising-looking morning. The record: 9.9 hours of sun, an 18.7 kph wind and AQI 37.
ナントのほかの月
Regulars call May the start of the better half of the year here, running through September, when the seaside day trips this city is known for become genuinely pleasant and the days stretch out. The nearby month they describe most vividly is unpredictable rather than settled - warm and cold, sunny and rainy in roughly equal measure - and our row backs that with 20.7C reading as 19C over 10.3C nights and 56.6mm of rain across 8.7 days. The compensation regulars name specifically is the Jardin des Plantes, where camellias and other spring flowers are in bloom by now, a reliable outdoor draw whatever the sky decides on a given day. The record: humidity 73 percent, 11.2 hours of sun, an 18.8 kph wind and AQI 39.
Asked which month, regulars give May to September and their reasons are the coast and the light rather than the city itself - this is an Atlantic town with beaches within reach, and it wants long evenings to use them. September is the last month of that window and shows it: daylight is down to 12.6 hours from midsummer's sixteen. The trade is a gentler set of numbers, 23.1C days over 12.4C nights with 57.9mm across 8.7 days, the driest stretch of this coast's year. An 18.1 kph westerly keeps it feeling a degree under the reading. One local point worth knowing: the castles people picture on the Loire are upriver, a train ride away, not here. The record: 9.4 hours of sun and AQI 35.
The worry regulars hear most about a French August is whether everything will be shut, and their answer is that this stopped being true a long time ago: some French take July and some take August, and in places that see tourists the opening hours actually lengthen rather than disappear. May to September is the window they name for Nantes, partly because the coast is close and the evenings are long - our row gives 14.2 hours of daylight and 11.1 hours of sun. August here is mild rather than fierce at 26.3C, dropping to 14.8C at night, with 37.3mm across 7.3 precipitation days. The record: humidity 69 percent, a 17.4 kph wind and AQI 33.
June in Nantes is a coin toss on the Nantes forum's account - visitors report overcast, windy and wet Junes as readily as the late-June weeks that come out 20 to 30C - and the local answer is that the city is built for either. Les Machines de l'Ile, the mechanical elephant and the Marine Carousel, is largely weatherproof and is what regulars send people to first; book ahead and go in the morning, when it is quieter. The Chateau des Ducs de Bretagne, the cathedral and the Jardin des Plantes fill the rest. This part of the Loire is not crowded even in July and August, and less so in June. The record: 24.3C days, 13.9C nights, 9 precipitation days, 11.4 hours of sun in a 16-hour day, AQI 39.
地図のナントのカードから自分のメモを追加できます。
ナントの気候平年値 — 4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。
4月のナントの混雑
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Carnaval de Nantes、フランスのSpring holidays、主な訪問国のうち5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
ナントの天気が良い月
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)。
天気はまずまずナントの天気がピークを迎えるのは6月〜8月です。
天気が最高天気はまずまず天気が厳しい
4月のナントのイベント
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。
- 祭り
Carnaval de Nantes
3月20日〜4月20日 · 例年カーニバル混雑Giant floats built by volunteers over the winter parade through the city centre from Place Foch on a spring Sunday afternoon, with a separate night parade a couple of weeks later. 出典 ↗
- 祭り
Marathon de Nantes
4月15日〜30日 · 例年スポーツイベントA late-April running weekend: a 10 km night race from the Machines de l'Ile on the Saturday, then the marathon and half on Sunday, with road closures along the Loire. 出典 ↗
近くで開催中のイベント
ナントから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。
ナントはどこにある?
4月のナント — よくある質問
- 4月はナントを訪れるのに良い時期ですか?
- ナントの4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、ナントの12か月中6位です(81/100)。
- 4月のナントはどんな天気ですか?
- 4月のナントは、平均最高気温17.1°C、最低気温6.9°C、降水量は約49.9 mmで、雨の日はおよそ8.3日です。
- 4月のナントの大気質はどうですか?
- 4月のナントの米国大気質指数(US AQI)は、平均約37です。
300 km圏内:La RochelleのOyster and mussel season(9月1日〜4月30日ごろ)、BordeauxのOyster season on the Bassin(9月1日〜4月30日ごろ)。