ラグナ・ビーチの月別の天気
ラグナ・ビーチを訪れるベストシーズンは7月〜9月です — 8月は93/100、最高24°C、雨の日1日。 ベストな季節は夏(6月〜8月)で、平均90/100です。
最も不向きな月は1月で、69/100です — 快適、ときどき雨、空気がきれい。 1月を見る →
2026年9月更新 · ERA5再解析による気候平年値
周辺も含めて旅を計画するなら アメリカ合衆国旅行のベストシーズン →
ラグナ・ビーチLaguna Beach, United States🇺🇸 アメリカ合衆国 · カリフォルニア · ビーチ93
ベストな季節:6月〜8月(平均90/100) · 最も不向きなのは1月(69/100)
- 日中
- 24°C
- 夜
- 19°C
- 雨の日
- 1
- 日照
- 12.1 h
- 湿度
- 74%
- 日の長さ
- 13 h

ラグナ・ビーチの月ごとのようす
ラグナ・ビーチに最も合う旅のタイプでの100点満点の快適スコア、気候平年値による平均最高気温・雨の日数・1日の日照時間、そして混雑具合の目安です。
ラグナ・ビーチの年間イベント
祭り、自然の見どころ、祝日、そして注意したい季節 — 厳選し出典を明記しています。詳しくは各月のページで。
- 3月
- Patriots Day Parade3月7日〜15日(例年)祭り
- 5月
- Memorial Day weekend5月23日〜25日祝日
- May gray and June gloom5月10日〜7月10日(例年)季節
- Summer season5月23日〜9月7日季節
- 6月
- Sawdust Art Festival6月24日〜9月6日(例年)祭り
- Summer art festivals7月7日〜9月3日祭り
- 8月
- Labor Day weekend9月5日〜7日祝日
- 11月
- Sawdust Winter Fantasy11月20日〜12月21日(例年)祭り
- 12月
- Gray whale migration12月15日〜4月15日(例年)自然
- Christmas and New Year12月24日〜1月1日祝日
8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、Summer art festivals、アメリカ合衆国のSummer break(推定)
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ピークの混雑混雑ショルダーシーズン閑散
ラグナ・ビーチの旅行者の声
実際に訪れた人たちの声です — 通年のメモを先に、そのあと月ごとに並べています。
Forum posters describe February daytime highs typically in the 60s-70sF, dropping to the 40s-high-40sF at night - genuinely mild even with occasional rain, and posters note some early-morning or evening fog is possible, though not a daily occurrence. Posters recommend layering: warm and pleasant enough for shorts on a sunny afternoon, but a light jacket is needed once the sun goes down. Posters consistently name November, January and February as the quietest months for crowds, with February specifically called out as one of the best times for wildlife viewing at the nearby Upper Newport Bay Ecological Preserve.
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.
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.
Laguna Beach's forum calls August one of the best months for warm ocean swimming, with water temperatures peaking around this time of year along the Southern California coast. Regulars note the sea breeze does most of the work keeping the immediate coastline comfortable even on a hot inland day, with a light sweater worth having once the sun goes down.
September, not August, is southern California's warmest month, and the first half of it is the warmest part - which is the single most useful thing this forum tells visitors, because the summer crowds have gone back to school by then and the beaches are quiet with it. The ocean follows the same curve: the warmer currents peak around 72F in early to mid September, about as warm as this coast ever gets, and our row puts the sea at 21C. The month is effectively rainless - 0.5 precipitation days carrying 3mm. The record: 23.7C days that feel like 26C, 18.4C nights, 11.1 hours of sun and a 15 kph breeze.
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.
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.
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。