ハワイ火山国立公園 8月の天気

ハワイ火山国立公園の8月:快適、大雨続き、空気がきれい — 雨の日16日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

ハワイ火山国立公園Hawaii Volcanoes National Park, United States🇺🇸 アメリカ合衆国 · ハワイ · 国立公園78
  1. 841月
  2. 732月
  3. 713月
  4. 724月
  5. 775月
  6. 876月
  7. 867月
  8. 788月
  9. 839月
  10. 7710月
  11. 8211月
  12. 8012月

ハワイ火山国立公園では12か月中7位 · 8月に訪れたい旅行先で1413か所中739位 · 快適スコア78/100(Bランク)

日中
22°C
16°C
雨の日
16
日照
11.5 h
湿度
79%
日の長さ
13 h
ハワイ火山国立公園(アメリカ合衆国)
写真: Brocken Inaglory · CC BY-SA 3.0

8月のハワイ火山国立公園についての旅行者の声

Hawaii Volcanoes-forum threads on August describe warm, breezy conditions overall, though posters are consistent this park runs genuinely cooler than the coastal resorts most visitors are coming from, elevation here making a real difference worth packing a light jacket or even long pants for. A passing shower overnight or in the afternoon is called common enough to expect, part of the park's own rugged, changeable microclimate rather than a sign of an unusually wet stretch. Regulars name an early morning start as the standard way to beat both the day's heat and the crowds along the crater rim trails and lava fields. Fog and low cloud can roll through quickly at this elevation, and posters recommend checking current conditions before committing to a specific overlook for sunset over Halemaumau. The record: 21.6C days feeling like 22C, 16C nights, an extraordinarily high 130mm across nearly 16 days and 79 percent humidity.
HalemaumauAugustRegular · 8月 · 6日前 · Tripadvisorで続きを読む ↗

ハワイ火山国立公園のほかの月

Hawaii Volcanoes-forum threads on a May visit describe eruption timing as genuinely unpredictable, one couple recalling a trip booked before any activity started, posters warning it could end the next day or run longer. Regulars call several stops genuinely worthwhile regardless of lava activity, several posters naming Chain of Craters Road, Devastation Trail, Steam Vents and Sulphur Banks as standard non-lava options. Posters call the Crater Rim Trail a real highlight, several regulars naming the stretch between Volcano House and Kilauea Military Camp reliable regardless of the volcano. Regulars call Kipukapuaulu, also known as Bird Park, a real quieter alternative, several threads naming this a good add for a break from crater views. Posters recommend real flexible expectations around lava, several regulars calling this standard given how much eruption activity varies. The record: 19.4C days, 14.3C nights, an extraordinarily high 229.8mm across over 22 days and 83 percent humidity.
HawaiiVolcanoesMayRegular · 5月 · 5日前 · Tripadvisorで続きを読む ↗
Hawaii Volcanoes-forum threads on February conditions describe the windward east side of the island as genuinely rainy this month, posters recommending the sunnier west side as a base for anyone wanting to balance park visits with drier weather elsewhere. Regulars call the Kilauea Iki Trail and Thurston Lava Tube solid early-morning picks, arriving around eight considered a real advantage for parking at the main lots. Posters recommend Volcano Village as a practical base, Kilauea Lodge and nearby cottages with kitchens both mentioned repeatedly by regulars. Regulars call sunset running between six and six-thirty this time of year, worth factoring into any late-afternoon viewing plans. Posters recommend real waterproof layers regardless of how the morning looks, conditions here shifting fast given the park's exposure and elevation. The record: 17.7C days feeling like 18C, 12.4C nights, an extraordinarily high 301.2mm across nearly 20 days and 84 percent humidity.
HawaiiVolcanoesFebruaryRegular · 2月 · 6日前 · Tripadvisorで続きを読む ↗
Hawaii Volcanoes-forum threads on vog describe it as forming when sulfur dioxide and other volcanic gases react with oxygen and moisture in sunlight, posters calling this a real, ongoing factor for anyone with asthma. Regulars call the Volcano area surprisingly often clear, prevailing trade winds generally pushing the haze toward Kona instead. Posters describe conditions as genuinely variable day to day, wind and weather both real factors in how much vog reaches a given trail. Regulars call checking air quality worthwhile for anyone sensitive, conditions capable of shifting within a day. Posters recommend flexible plans given the visitor center's construction schedule, renovation capable of affecting access as early as September. Regulars call the park still genuinely worth visiting regardless of vog, the volcanic landscape striking on a clear day. The record: 21.2C days feeling like 22C, 15.8C nights, an extraordinarily high 122.8mm across nearly 18 days and 81 percent humidity.
HawaiiVolcanoesSeptemberRegular · 9月 · 6日前 · Tripadvisorで続きを読む ↗
Hawaii Volcanoes-forum threads comparing March against May are consistent March sits within a slightly more active stretch for showers, February through April named repeatedly as the wetter run of months here. Posters describe the four-thousand-foot elevation as a real factor, conditions noticeably cooler than the coastal resorts most visitors come from, a jacket genuinely useful regardless of season. Regulars recommend real waterproof layers, a shower entirely possible even on an otherwise clear day. Posters describe visitors exploring the crater rim and steam vents in a light shower, most calling the park worth seeing in whatever conditions show up. Regulars call fog a real possibility at this elevation, worth checking visibility before a viewpoint-focused itinerary. The record: 18.2C days feeling like 19C, 13.1C nights, an extraordinarily high 301.4mm across over 23 days and 83 percent humidity.
HawaiiVolcanoesMarchRegular · 3月 · 6日前 · Tripadvisorで続きを読む ↗

地図のハワイ火山国立公園のカードから自分のメモを追加できます。

ハワイ火山国立公園の気候平年値 — 8月

日中の最高気温22°C / 71°F😎 快適
夜の最低気温16°C / 61°F
体感温度(最高)23°C / 73°F
海水温26°C / 79°F😎 暖かい海
降水量181 mm / 7.1 in⛈ 大雨続き
雨の日数16日
湿度79%💦 非常に多湿
露点15°C / 59°F
日照11.5時間/日
日の長さ12.8時間
20 km/h / 12 mph
大気質(US AQI)17🍃 良好

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月のハワイ火山国立公園の混雑

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Kilauea eruption episodes、アメリカ合衆国のSummer break、主な訪問国のうち2か国で学校休暇(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

ハワイ火山国立公園の天気が良い月

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)。

天気はまずまずハワイ火山国立公園の天気は一年を通じて大きく変わりません — どの月も快適さはほぼ一定です。

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8月のハワイ火山国立公園のイベント

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。

  • 要注意

    Kilauea eruption episodes

    1月1日〜12月31日火山活動混雑

    The summit has been erupting in episodes since December 2024, each one a matter of hours rather than weeks, with the alert level moving between watch and advisory. Check the observatory the morning of your visit, not the week before. 出典 ↗

  • 要注意

    Central Pacific hurricane season

    6月1日〜11月30日休業

    Direct hits are rare but August and September bring the near misses. When a storm approaches the park shuts the backcountry, Chain of Craters Road and the visitor centres, as it did for Iselle in 2014. 出典 ↗

8月の世界のイベント →

近くで開催中のイベント

ハワイ火山国立公園から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。

ハワイ火山国立公園はどこにある?

地図を読み込み中…

8月のハワイ火山国立公園 — よくある質問

8月はハワイ火山国立公園を訪れるのに良い時期ですか?
ハワイ火山国立公園の8月:快適、大雨続き、空気がきれい — 雨の日16日が気にならなければ悪くない時期。SeasonMapの快適スコアでは、ハワイ火山国立公園の12か月中7位です(78/100)。
8月のハワイ火山国立公園はどんな天気ですか?
8月のハワイ火山国立公園は、平均最高気温21.6°C、最低気温16°C、降水量は約180.7 mmで、雨の日はおよそ15.7日です。
8月のハワイ火山国立公園の大気質はどうですか?
8月のハワイ火山国立公園の米国大気質指数(US AQI)は、平均約17です。

300 km圏内:HiloのMango and tropical fruit harvest(6月1日〜9月30日ごろ)、MauiのTrade wind and windsurf season(5月1日〜9月30日ごろ)。

ハワイ火山国立公園 8月の天気:22°C、雨の日16日、日照12時間 | SeasonMap