ラグナ・ビーチ 5月の天気
ラグナ・ビーチの5月:快適、雨が少ない、蒸し暑い — 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
ラグナ・ビーチでは12か月中6位 · 5月に訪れたい旅行先で1413か所中454位 · 快適スコア85/100(Aランク)
- 日中
- 19°C
- 夜
- 15°C
- 雨の日
- 2
- 日照
- 11.8 h
- 湿度
- 76%
- 日の長さ
- 14 h

5月のラグナ・ビーチについての旅行者の声
近くのロサンゼルスからのメモ(71 km)
ラグナ・ビーチには5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サンゼルスについてのメモです。
Los Angeles-forum threads on 'May Gray' describe a coastal-only phenomenon: morning low cloud and fog that can keep the beach socked in past midday, while neighborhoods five miles inland sit under blue sky and run 10-20 degrees warmer at the same hour. Regulars call it a legitimate pattern but say it barely changes anyone's plans - people still walk the boardwalk and play volleyball through it, and it typically burns off by early afternoon. May's record backs the two-zone read: 23.8C days, 14.2C nights, almost no precipitation at under two days, 12.1 hours of sun and a 16.7C sea still on the cool side of comfortable.
ラグナ・ビーチのほかの月
Regulars are specific June Gloom, the marine layer of low cloud and fog, is a genuine daily feature here that typically clears by around noon into a sunny afternoon, though some years stay cloudy for much longer stretches than usual. Our row backs that mild, genuinely dry read, 20.6C over 16.5C nights, with rain essentially absent, 0.8mm across half a day, and humidity at 74 percent. Regulars are consistent the sand itself runs noticeably cooler than areas even half a mile inland thanks to the steady ocean breeze, May actually rated as having better beach weather than this month, with July and August the genuinely reliable warm stretch. The sea sits at a cool 17.8C. The record: 12.9 hours of sun, a 14 kph wind and AQI 46.
Laguna Beach-forum threads on December weather describe a genuine range: some visitors catch a beautiful early-month stretch good enough for the beach, while a winter storm rolling through can mean rain for the better part of a week instead. The standing daily rhythm regulars describe is morning and evening marine fog burning off into afternoon sun, a pattern that holds even on an otherwise middling day. Inland temperatures can run a good ten degrees warmer than right on the sand, worth knowing for anyone splitting time between the coast and Orange County further in. The advice across every thread is the same: layer up, since a warm, sunny afternoon can still turn into a genuinely cool evening requiring a proper jacket. Regulars call December a smart trade-off overall - thinner crowds than summer, in exchange for real weather variability. The record: 18C days feeling like 16C, 11C nights, 43mm across 4.1 days, a 16.3C sea, 75 percent humidity and 7.9 hours of sun.
Laguna Beach-forum threads on October weather call it just about perfect: dry, fog-free, not really warm and not cold, sunny days in the 70s Fahrenheit dropping to the upper 50s at night. The standard advice is layering for the day-to-evening swing - shorts and a t-shirt through the afternoon, a light jacket or sweater once the sun goes down - with the end of the month running cooler, windier and drier still, enough that posters specifically recommend extra lotion for dry skin. Being coastal keeps Laguna a touch cooler than inland Orange County the whole month. The record: 23.5C days feeling like 26C, 19C nights, essentially none at all, a 21.1C sea, 74 percent humidity and 12.1 hours of sun - close to the mild, reliable month the forum describes.
July is where Laguna Beach comes out of the gloom. June Gloom is the local name for the marine layer that forms when warming inland air pulls cool ocean air against the hills, and it can hang over the coast into early July; regulars say the cloud thins out noticeably right around the Fourth, and that later July is reliably warm. When it does turn up it usually burns off around midday. The catchy phrase oversells it - not every May or June day is grey - but July and August are the months they name for weather. Our row's 22.4C reads as 26C with the sun out, over an 18.5C night. The record: 0.5 precipitation days, 13 hours of sun, humidity 73 percent and a 20.1C sea.
地図のラグナ・ビーチのカードから自分のメモを追加できます。
ラグナ・ビーチの気候平年値 — 5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。
5月のラグナ・ビーチの混雑
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Summer season、Memorial Day weekend(推定)
ピークの混雑混雑ショルダーシーズン閑散
ラグナ・ビーチの天気が良い月
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)。
天気はまずまずラグナ・ビーチの天気がピークを迎えるのは7月〜9月で、特に良いのは8月ごろです。
天気が最高天気はまずまず天気が厳しい
5月のラグナ・ビーチのイベント
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
May gray and June gloom
5月10日〜7月10日 · 例年霧のシーズンThe marine layer sits on the coast most mornings from mid-May and some days never lifts, while ten miles inland it is clear. It is the reason locals treat September as the real summer here.
- 季節
Summer season
5月23日〜9月7日学校休暇混雑Coast Highway through the village backs up from Memorial Day, the beach lots fill before nine, and the free summer trolley is the only sane way in. Labor Day ends it as abruptly as it started.
- 祝日
Memorial Day weekend
5月23日〜25日国民の祝日混雑早めの予約をMemorial Day, the last Monday of May, opens the summer travel season: over the long weekend campsites and lodging book out, roads are slow, and parking at the most popular spots fills early in the day. 出典 ↗
近くで開催中のイベント
ラグナ・ビーチから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。
ラグナ・ビーチはどこにある?
5月のラグナ・ビーチ — よくある質問
- 5月はラグナ・ビーチを訪れるのに良い時期ですか?
- ラグナ・ビーチの5月:快適、雨が少ない、蒸し暑い — 訪れるのに絶好の時期。SeasonMapの快適スコアでは、ラグナ・ビーチの12か月中6位です(85/100)。
- 5月のラグナ・ビーチはどんな天気ですか?
- 5月のラグナ・ビーチは、平均最高気温18.9°C、最低気温14.8°C、降水量は約5.7 mmで、雨の日はおよそ1.7日です。
- 5月のラグナ・ビーチの大気質はどうですか?
- 5月のラグナ・ビーチの米国大気質指数(US AQI)は、平均約55です。
300 km圏内:Santa BarbaraのBlue and humpback season(5月15日〜9月15日ごろ)、Joshua Tree National ParkのClimbing season(10月1日〜5月15日ごろ)。