ジャクソンビル 4月の天気
ジャクソンビルの4月:暑い、雨が多い、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
ジャクソンビルでは12か月中4位 · 4月に訪れたい旅行先で1413か所中465位 · 快適スコア83/100(Aランク)
- 日中
- 28°C
- 夜
- 17°C
- 雨の日
- 8
- 日照
- 10.6 h
- 湿度
- 69%
- 日の長さ
- 13 h

4月のジャクソンビルについての旅行者の声
Regulars are candid that this Florida month can genuinely deliver hot, cold, sunny and rainy conditions within a single day, and the practical advice is to come prepared for all of it and stay willing to change plans on short notice - early April is called more of a mixed bag than the more reliably good beach days of late April. Our row backs the warm-but-changeable read, 27.9C reading as 29C over 16.7C nights, with 93.6mm of rain across 8 days. Regulars are more confident recommending late-month dates specifically for beach plans, while early-month visitors are steered toward flexible, weather-independent activities like the Riverside Arts Market as a backup. The record: humidity 69 percent, 10.6 hours of sun, a 16.8 kph wind and AQI 48.
ジャクソンビルのほかの月
Regulars are consistent this is cold-by-Florida-standards weather, good for strolling the beach rather than sitting on it, with surfers and walkers out but few sunbathers even on a nice day. Our row backs that cool read, 20.8C over 10.7C nights feeling 9C, with 95.2mm of rain across 6.2 days. Regulars are specific this runs noticeably cooler than the Gulf Coast or Miami, a real 10-15 degree Fahrenheit gap from Orlando alone, so anyone chasing genuine beach weather in December is pointed further south instead. Visitors coming from colder Northern climates are just as consistent that they find this same weather wonderful rather than cold, a real perspective gap regulars call out directly. The record: humidity 79 percent, 7.2 hours of sun, a 14.9 kph wind and AQI 37.
Regulars refuse to predict this month and say so: February here can run anywhere from 80F down to 30F, usually mid-forties to mid-sixties, and the only sensible advice is to pack for both. Our row's 23.6C over 12C is the middle of that spread. The beach follows the same rule - too windy and cold one day, beautiful the next - and the water is at its coldest of the year, about 56F, so this is a walking, dog-and-kite month rather than a swimming one. Late February brings the compensation: the sand is clean and close to empty. Our 87.3mm falls across 8.4 days. The record: humidity 77 percent, 8.3 hours of sun and AQI 46.
November in Jacksonville is mild and mostly pleasant - regulars give the 65 to 75F range for early November, with cool fronts pulling nights into the 50s later in the month, which our row renders as 23.7C days over 14C nights. The question they get asked is about water, and the answer is a qualified no: the ocean off Jacksonville Beach sits in the high 60s Fahrenheit falling into the low 60s, chilly for most people, and an unheated hotel pool will be the same. Nearby Ponte Vedra reports a 72F high and 57F low as the November average. So: layers, a light jacket for the evening, and treat the beach as somewhere to walk. The record: 5.8 precipitation days carrying 66.1mm, humidity 77 percent and 8 hours of sun.
Jacksonville forum threads describe January as relatively mild, with posters citing typical temperatures around 70F but genuinely variable week to week - not unheard of to see days anywhere from the 30s to the 80s depending on the specific stretch. It isn't beach-and-swimsuit weather for most visitors, with the water itself described as too cold to swim comfortably without a wetsuit, but posters were clear it isn't snowy winter either - walking the beach in warm clothes was called a genuinely nice January activity. One posted a historical outlier, a real ice and snow event just before Christmas in 1989, as proof the far edges are possible, though posters agreed a typical January here stays comfortably mild with plenty to do outdoors.
地図のジャクソンビルのカードから自分のメモを追加できます。
ジャクソンビルの気候平年値 — 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月のジャクソンビルの混雑
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。
混雑Springing the Blues(推定)
ピークの混雑混雑ショルダーシーズン閑散
ジャクソンビルの天気が良い月
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)。
天気はまずまずジャクソンビルの天気が最も良いのは2月、3月、11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
4月のジャクソンビルのイベント
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
Springing the Blues
4月10日〜12日音楽祭混雑A free blues festival on the oceanfront at Jacksonville Beach, running since 1990, usually over a weekend in early to mid April. The beach town's hotels and parking fill for the three days. 出典 ↗
近くで開催中のイベント
ジャクソンビルから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。
ジャクソンビルはどこにある?
4月のジャクソンビル — よくある質問
- 4月はジャクソンビルを訪れるのに良い時期ですか?
- ジャクソンビルの4月:暑い、雨が多い、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、ジャクソンビルの12か月中4位です(83/100)。
- 4月のジャクソンビルはどんな天気ですか?
- 4月のジャクソンビルは、平均最高気温27.9°C、最低気温16.7°C、降水量は約93.6 mmで、雨の日はおよそ8日です。
- 4月のジャクソンビルの大気質はどうですか?
- 4月のジャクソンビルの米国大気質指数(US AQI)は、平均約48です。
300 km圏内:SavannahのAzaleas and spring bloom(3月10日〜4月15日ごろ)、OrlandoのPuerto Rican Parade & Festival(4月25日)。