ボーズマン 4月の天気
ボーズマンの4月:涼しい、ときどき雨、雪が確実 — 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
ボーズマンでは12か月中7位 · 4月に訪れたい旅行先で1413か所中544位 · 快適スコア81/100(Aランク)
- 日中
- 13°C
- 夜
- -1°C
- 雨の日
- 11
- 日照
- 10.7 h
- 湿度
- 71%
- 日の長さ
- 14 h
4月のボーズマンについての旅行者の声
近くのBig Skyからのメモ(51 km)
ボーズマンには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Big Skyについてのメモです。
Big Sky-forum threads on an April visit describe closing as genuinely landing around the tenth or eleventh of the month, posters naming this timing as often falling near Easter. Regulars call steady late-season snowfall genuinely still standard, several posters naming warmer, longer days alongside notably thinner crowds as real advantages of visiting this late. Posters call the resort genuinely feeling local by April, several regulars naming this a real contrast to the busier winter peak. Regulars call spring corn snow genuinely some of the best value and conditions of the entire season, several threads naming this a real reason not to overlook April. Posters recommend Closing Weekend specifically if timing allows, several regulars calling this a real notable on-mountain event worth planning a trip around. The record: 6.6C days, -3.3C nights, 79.9mm across nearly 15 days and 72 percent humidity.
ボーズマンのほかの月
Bozeman-forum threads on a February visit describe Explore Rentals as genuinely the only local agency putting dedicated snow tires on its entire winter fleet, worth considering when renting a car. Regulars call only the Gardiner to Cooke City entrance road genuinely open to wheeled vehicles in February, several posters naming a snow coach or snowmobile tour as required for the rest of Yellowstone. Posters call snow coach day tours genuinely reaching Canyon, covering the Upper and Lower Falls, and Norris Geyser Basin, several regulars naming these the standard winter routes. Regulars call Bozeman genuinely not a great day-trip base for the park, several threads naming a roughly four-hour snow coach ride from Mammoth to the snow lodge as the reason. Posters recommend real planning around snow coach schedules, several regulars calling this standard given how limited winter access is. The record: 1.6C days, -10.1C nights, 32mm across over 8 days and 74 percent humidity.
Bozeman-forum threads on an October visit describe hiking and biking as still rewarding on a good sunny day, posters calling conditions capable of turning cold and blustery with real snow flurries just as easily. Regulars call state park campgrounds typically open through October even as higher-elevation sites close after Labor Day, a real option for camping this late in the season. Regulars call Yellowstone's interior roads closed on the first Monday of November, posters suggesting late-October dates like the twenty-fourth or twenty-fifth as still reasonably safe. Posters call local services genuinely starting to shut down through October, several businesses running reduced hours ahead of the off-season. Regulars recommend checking Bozone.com for a current events calendar, a real resource for planning around whatever's still running this time of year. The record: 14.8C days feeling like 14C, 0.6C nights, an extraordinarily high 55.4mm across nearly 9 days and 58 percent humidity.
Bozeman-forum threads comparing June and July land firmly on July as the better bet, June still carrying real odds of a wet, unsettled stretch while July settles into warm, mostly clear days ideal for rafting, paddleboarding and getting out on the water generally. Posters describe nights cooling off substantially even after a warm afternoon, mountain-town temperature swings that make an evening layer worth packing regardless of how hot the day ran. The Gallatin Divide and surrounding trails are repeatedly named a top summer backpacking draw, conditions here about as reliable as this part of Montana gets. Regulars call July the genuine start of the settled summer weather window that holds through August before things start turning again in September. The record: 29.4C days feeling like 29C, 12.1C nights, 56 percent humidity, a clean 46 AQI and 13.7 hours of sun.
Bozeman-forum threads on January driving conditions are direct that winter here demands real preparation: long stretches of highway between towns with little civilization in between, and posters recommend carrying tire chains and confirming good winter tires before setting out regardless of how clear the forecast looks that morning. Stormy stretches are a real possibility though by no means guaranteed for any given week. Regulars flag January and February as the likeliest months to hit a genuine subzero cold snap, meaningfully more probable than in March. The upside: this is peak season for nearby Bridger Bowl and Big Sky skiing, powder conditions at their best precisely because of the cold. Anyone driving on to Yellowstone is warned road closures and reduced access are standard for the season. The record: a brutal 1.4C by day dropping to -9.6C at night, 25mm across 6.5 days, a notably high 38.5cm of fresh snowfall, 77 percent humidity and 6.7 hours of sun.
地図のボーズマンのカードから自分のメモを追加できます。
ボーズマンの気候平年値 — 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月のボーズマンの混雑
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
ボーズマンの天気が良い月
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)。
天気はまずまずボーズマンの天気が最も良いのは5月、6月、9月です — ひと続きのシーズンではなく、別々の時期です。
天気が最高天気はまずまず天気が厳しい
4月のボーズマンのイベント
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
Mud season and the bears waking
3月25日〜5月20日 · 例年オフシーズンの休業休業リスクThe lifts shut, the valley trails turn to mud and the grizzlies come out of the dens onto the same low ground. Carry spray from April, and expect half the mountain-town businesses to take their own holiday. 出典 ↗
- 休業
Yellowstone roads closed to cars
11月1日〜4月20日 · 例年Everything but the Gardiner-to-Cooke City road shuts to wheeled traffic for the winter. From mid-December the interior reopens to snowcoach and snowmobile only, which is a booked trip rather than a drive. 出典 ↗
- 季節
Ski season
12月5日〜4月15日 · 例年早めの予約をBridger Bowl runs twenty minutes from town from early December to mid-April, and Big Sky an hour south holds on later. The Ridge at Bridger needs an avalanche transceiver, not a lift ticket. 出典 ↗
近くで開催中のイベント
ボーズマンから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。
ボーズマンはどこにある?
4月のボーズマン — よくある質問
- 4月はボーズマンを訪れるのに良い時期ですか?
- ボーズマンの4月:涼しい、ときどき雨、雪が確実 — 訪れるのに絶好の時期。SeasonMapの快適スコアでは、ボーズマンの12か月中7位です(81/100)。
- 4月のボーズマンはどんな天気ですか?
- 4月のボーズマンは、平均最高気温13°C、最低気温-0.9°C、降水量は約66.7 mmで、雨の日はおよそ10.5日です。
- 4月のボーズマンの大気質はどうですか?
- 4月のボーズマンの米国大気質指数(US AQI)は、平均約52です。
- 4月のボーズマンは雪が降りますか?
- 4月のボーズマンの降雪量は、およそ29.4 cmです。
300 km圏内:Big SkyのYellowstone roads open(4月15日〜11月5日ごろ)、Yellowstone National ParkのSpring wildlife on the northern range(4月15日〜6月15日ごろ)。