レイク・クラーク国立公園 5月の天気
レイク・クラーク国立公園の5月:極寒、雨が多い、空気がきれい — 訪れるのに良い時期。
2026年9月更新 · ERA5再解析による気候平年値
レイク・クラーク国立公園では12か月中5位 · 5月に訪れたい旅行先で1413か所中1089位 · 快適スコア66/100(Cランク)
- 日中
- 1°C
- 夜
- -3°C
- 雨の日
- 16
- 日照
- 10.6 h
- 湿度
- 85%
- 日の長さ
- 17 h

5月のレイク・クラーク国立公園についての旅行者の声
Lake Clark National Park-forum threads on a May visit call this genuinely the start of the bear-viewing season at Chinitna Bay, posters describing the window as running from May through August for the best sightings. Regulars call Port Alsworth the practical hub for most visits, a small town on the park's southwest side with basic facilities and access to half-day or full-day trails. Posters recommend an air or water taxi as the only realistic way in, no road connecting the park to the wider Alaska highway system. Regulars call combining Lake Clark with nearby Katmai a real option for anyone with the time and budget, both known for bear viewing though with somewhat different logistics. Posters recommend real cold-weather layers regardless of a sunny May forecast, conditions here still capable of a sharp overnight drop this early in the season. The record: 1C days feeling like -2C, -3.4C nights, an extraordinarily high 109.4mm across over 16 days and 74 percent humidity.
レイク・クラーク国立公園のほかの月
Lake Clark-forum threads on the best time to visit describe summer, specifically late June and August, as the real focus for most given the park's reputation for bear viewing at Chinitna Bay. Regulars call February genuinely difficult by comparison, real winter photography and wilderness solitude possible though access is challenging given heavy accumulation and limited daylight. Posters call temperatures capable of dropping below zero Fahrenheit through December into February, conditions demanding serious cold-weather preparation. Regulars call flight access the only realistic way in during winter, no roads reaching the park and conditions adding real complexity to limited scheduling. Posters recommend contacting an experienced local operator well ahead of a February trip, winter logistics here considered genuinely specialized compared with a summer visit. The record: -10.4C days feeling like -16C, -15.5C nights, an extraordinarily high 116.5mm across 15 days and 74 percent humidity.
Lake Clark-forum threads on the best time to visit are consistent bear viewing and the summer lodges run June through early fall, April sitting well before that window opens. Posters describe the park as reachable only by small plane out of Anchorage, Soldotna or Homer regardless of season, no road access at any time of year. Regulars call weather here genuinely hard to predict even in the established summer window, April conditions correspondingly less charted since so few visitors attempt it. Posters describe winter as lingering long into what would be spring further south, real accumulation still building this deep into the year most seasons. Regulars recommend a summer trip for anyone chasing the lodges or bear activity, April better suited to a remote, self-planned visit. Posters call real cold-weather preparation essential for any off-season trip. The record: -3.7C days feeling like -7C, -8C nights, a notably high 96.5cm of fresh accumulation and 79 percent humidity.
Lake Clark-forum threads on the best time to visit call early summer the pick for the mildest, sunniest stretch, temperatures reaching into the high seventies on the best July days. Posters describe August as genuinely cooler and damper by comparison, though regulars call it a real tradeoff worth making, mosquitoes dropping sharply and berries and fishing both at their peak. Regulars describe conditions as capable of turning windy without warning. Posters call brown bear viewing along the coast the singular highlight regardless of dates, sightings consistently strong through summer. Regulars recommend a float plane charter as the only realistic access, no road system reaching this park. Posters recommend real waterproof layers regardless of forecast, conditions here always capable of shifting fast. The record: 9.4C days feeling like 7C, 4.2C nights, an extraordinarily high 159mm across 18 days and 83 percent humidity.
Lake Clark-forum threads comparing it to nearby Katmai in September describe conditions as genuinely mixed - some visitors report properly cold, windy stretches with frost and ice on walkways most mornings, occasional snow flurries mixed in, while others catch a run of pleasant fall weather instead. Posters are consistent bear viewing is still active early in the month, particularly for females with cubs, but activity at coastal spots like Chinitna Bay tapers off noticeably by month's end. Regulars flag the back half of September as when weather genuinely starts turning, worth an earlier-month trip if reliable conditions matter more than avoiding crowds. Flexible dates and full cold-weather gear are standing advice regardless of which week is booked. The record: 4.3C days feeling like 1C, -0.5C nights, a notably high 160mm across nearly 18 days, a notably high 21.2cm of fresh snowfall and 86 percent humidity.
地図のレイク・クラーク国立公園のカードから自分のメモを追加できます。
レイク・クラーク国立公園の気候平年値 — 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月のレイク・クラーク国立公園の混雑
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。
ショルダーシーズン天気は平年並みの月(推定)
ピークの混雑混雑ショルダーシーズン閑散
レイク・クラーク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)。
天気はまずまずレイク・クラーク国立公園の天気がピークを迎えるのは6月〜8月で、特に良いのは7月ごろです。
天気が最高天気はまずまず天気が厳しい
5月のレイク・クラーク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。
- オープン
Proenneke's cabin open
5月25日〜9月25日 · 例年夏季営業スタートDick Proenneke's hand-built cabin on Upper Twin Lake is open daily in summer, from late May once the lake ice allows to late September; the only ways in are a floatplane landing on the lake or a long backcountry trek. 出典 ↗
- 季節
Winter: no services, ski planes
9月20日〜5月31日 · 例年オフシーズンの休業休業The park never closes, but most lodges and outfitters in Port Alsworth shut around mid-September, and winter access is by wheeled or ski plane only when the weather allows. Expect to arrange everything yourself. 出典 ↗
- 季節
Snow season
スキーシーズンAbout 62 cm of snow falls in the month.
気候の平年値から算出
近くで開催中のイベント
レイク・クラーク国立公園から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。
レイク・クラーク国立公園はどこにある?
5月のレイク・クラーク国立公園 — よくある質問
- 5月はレイク・クラーク国立公園を訪れるのに良い時期ですか?
- レイク・クラーク国立公園の5月:極寒、雨が多い、空気がきれい — 訪れるのに良い時期。SeasonMapの快適スコアでは、レイク・クラーク国立公園の12か月中5位です(66/100)。
- 5月のレイク・クラーク国立公園はどんな天気ですか?
- 5月のレイク・クラーク国立公園は、平均最高気温1°C、最低気温-3.4°C、降水量は約109.4 mmで、雨の日はおよそ16.2日です。
- 5月のレイク・クラーク国立公園の大気質はどうですか?
- 5月のレイク・クラーク国立公園の米国大気質指数(US AQI)は、平均約36です。
- 5月のレイク・クラーク国立公園は雪が降りますか?
- 5月のレイク・クラーク国立公園の降雪量は、およそ62.2 cmです。
300 km圏内:AnchorageのSalmon runs(5月15日〜9月15日ごろ)。