セコイア国立公園 4月の天気
セコイア国立公園の4月:寒い、ときどき雨、雪が確実 — 訪れるのにとても良い時期。
2026年9月更新 · ERA5再解析による気候平年値
セコイア国立公園では12か月中7位 · 4月に訪れたい旅行先で1413か所中985位 · 快適スコア73/100(Bランク)
- 日中
- 5°C
- 夜
- -4°C
- 雨の日
- 7
- 日照
- 11.8 h
- 湿度
- 67%
- 日の長さ
- 13 h

4月のセコイア国立公園についての旅行者の声
近くのキングズ・キャニオン国立公園からのメモ(42 km)
セコイア国立公園には4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キングズ・キャニオン国立公園についてのメモです。
Kings Canyon National Park-forum threads on a mid-April visit describe the road down into the canyon itself as typically opening the fourth Friday of the month, posters calling the route into Cedar Grove usually still closed for most of April. Regulars recommend focusing an early-to-mid-April trip on Grant Grove and the Sequoia side rather than the canyon floor, access there considerably more reliable this early. Posters describe trails through the giant sequoia groves as capable of staying muddy, slushy or icy well into April, real caution warranted on shaded sections. Regulars recommend checking current road and visitor center status directly before finalizing plans, some services and ranger programs still running reduced April hours. Posters recommend real cold-weather layers regardless of a sunny lowland forecast, elevation here delivering a genuinely different climate. The record: 4.5C days feeling like 3C, -4.5C nights, 36.5mm across over 6 days and 56 percent humidity.
セコイア国立公園のほかの月
Sequoia-forum threads on a January visit describe this as genuinely the snowiest stretch of the year, posters naming January through March as when snow odds peak alongside the most frequent road closures. Regulars call conditions genuinely variable year to year, several posters naming warm years with surprisingly little snow as a real possibility. Posters call driving into ten-foot snow walls a real experience, one visitor describing roads that stayed open but created a genuine tunnel effect. Regulars call checking the park's current-conditions page and calling the road hotline genuinely essential, several threads naming this the standard way to confirm access before driving up. Posters recommend seeing the General Sherman Tree in snow or snowshoeing Giant Forest, several regulars calling this a real highlight worth the effort given how few crowds January brings. The record: -0.1C days, -8.2C nights, an extraordinarily high 162.6mm across nearly 9 days and 60 percent humidity.
Sequoia-forum threads on a February visit describe conditions as genuinely cold and snowy, posters calling roads to Moro Rock and Crescent Meadow likely closed along with the connecting road through to Kings Canyon. Regulars call Lodgepole, the General Sherman Tree, Round Meadow, the History Center and Beetle Rock all realistically open, trails into the Giant Forest passable for some distance beyond those points. Posters recommend Grant Grove as the best and most accessible sequoia grove to see in winter, a real alternative when the higher areas are closed. Regulars call tire chains a genuine requirement in places, a real complication for anyone driving a rental car where chains aren't permitted. Posters recommend checking current road status directly before a February trip, conditions here changing fast after any fresh storm. The record: -0.1C days feeling like -3C, -8.5C nights, an extraordinarily high 131.2mm across over 8 days and 61 percent humidity.
Sequoia-forum threads on a September visit call crowds a real relief compared with summer, posters describing the drop-off once kids return to school as considerably more noticeable than any other seasonal shift. Regulars call early September still genuinely warm, temperatures cooling steadily toward October. Posters recommend late September or early October for anyone chasing fewer crowds and possible fall color, regulars calling that window a genuinely strong combination. Regulars call this stretch also less likely affected by wildfire smoke than peak summer, though never fully guaranteed given how variable fire seasons run. Posters describe the giant sequoia groves as worth visiting regardless of exact timing within the month, crowds considerably thinner than a July or August visit. Regulars recommend real layers for the cooler mornings and evenings at this elevation. The record: 16.7C days feeling like 15C, 5.9C nights, 27.6mm across nearly 6 days and 44 percent humidity.
Sequoia-forum threads on October weather are consistent this is one of the favorite local months, dry, clear and sunny by day with a real chill setting in fast once the sun drops. Posters describe daytime readings typically in the sixties Fahrenheit with overnight lows dropping into the thirties, one visitor reporting a comfortable seventy-degree afternoon followed by a properly cold low around thirty the same trip. Regulars call accumulation genuinely unlikely this early, only a serious system capable of bringing a dusting this soon. Posters recommend real warm layers for mornings and evenings regardless of how mild midday feels. Regulars describe the giant sequoia groves as worth the trip regardless of conditions, October's clearer air often rewarding photographers well. Posters recommend layering rather than a single heavy jacket. The record: 12.3C days feeling like 9C, 1.5C nights, a notably high 6.3cm of fresh accumulation and 42 percent humidity.
地図のセコイア国立公園のカードから自分のメモを追加できます。
セコイア国立公園の気候平年値 — 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月のセコイア国立公園の混雑
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
セコイア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)。
天気はまずまずセコイア国立公園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
4月のセコイア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。
- 自然
Foothill wildflowers
3月1日〜4月25日 · 例年野の花・花の見頃The low chaparral along the road up from Three Rivers flowers weeks before anything at the sequoias' elevation, so early spring means walking the bottom of the park and looking up at snow.
- ルール
Winter chain controls
11月1日〜4月30日 · 例年冬季の通行止め休業Chains have to be carried on the Generals Highway all winter, four-wheel drive included, and the road closes outright during storms. The sequoias under snow are the reward for the drive up. 出典 ↗
近くで開催中のイベント
セコイア国立公園から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。
セコイア国立公園はどこにある?
4月のセコイア国立公園 — よくある質問
- 4月はセコイア国立公園を訪れるのに良い時期ですか?
- セコイア国立公園の4月:寒い、ときどき雨、雪が確実 — 訪れるのにとても良い時期。SeasonMapの快適スコアでは、セコイア国立公園の12か月中7位です(73/100)。
- 4月のセコイア国立公園はどんな天気ですか?
- 4月のセコイア国立公園は、平均最高気温5.1°C、最低気温-4.4°C、降水量は約47.1 mmで、雨の日はおよそ7.4日です。
- 4月のセコイア国立公園の大気質はどうですか?
- 4月のセコイア国立公園の米国大気質指数(US AQI)は、平均約54です。
- 4月のセコイア国立公園は雪が降りますか?
- 4月のセコイア国立公園の降雪量は、およそ26.9 cmです。
300 km圏内:Death Valley National ParkのDesert wildflower bloom(2月10日〜4月15日ごろ)、Yosemite National ParkのDogwood in the valley(4月15日〜5月20日ごろ)。