パークシティの月別の天気
パークシティを訪れるベストシーズンは12月〜2月です — 1月は93/100、最高0°C、雨の日13日。 ベストな季節は冬(12月〜2月)で、平均89/100です。
最も不向きな月は8月で、12/100です — 暖かい、ときどき雨、空気がきれい。 8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 →
パークシティPark City, United States🇺🇸 アメリカ合衆国 · ロッキー山脈 · スキー93
ベストな季節:12月〜2月(平均89/100) · 最も不向きなのは8月(12/100)
- 日中
- 0°C
- 夜
- -9°C
- 雨の日
- 13
- 日照
- 7 h
- 湿度
- 79%
- 日の長さ
- 10 h

パークシティの月ごとのようす
パークシティ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。
パークシティの年間イベント
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。
1月のパークシティの混雑
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Christmas and New Year peak、アメリカ合衆国のWinter / Christmas 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
パークシティの旅行者の声
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。
Park City-forum threads on January are upfront that snow coverage is a guessing game early in the month - it could snow for several days straight or sit dry for ten - but historically there's plenty of real snow on the mountain by this point, and posters call the skiing colder, snowier and generally excellent compared with March. The bigger variable isn't the snowpack: Sundance Film Festival runs January 19-29 and reshapes the whole month, spiking housing rates even though most Sundance visitors aren't there to ski, and MLK weekend adds its own crowd and price bump on top. The record: 0C days, -9.4C nights, 72cm of snowfall and 115mm of precipitation across 12.5 days, seven hours of sun and an AQI of 36 - properly cold, properly snowy, book around the festival dates either way.
Park City's forum is consistent on one point: February weather swings hard, anywhere from a foot of fresh snow to a sunny 40°F day within the same week. Regulars steer around Presidents' Day weekend specifically if crowds matter more than snow, and note the town itself — Old Main Street's shops and restaurants — is worth a full day even without skiing.
Park City-forum threads on a March visit describe conditions as genuinely a real wildcard, posters naming a range anywhere from sixteen inches of fresh snow to a sunny forty-five degree day within the same month. Regulars call spring break crowds genuinely real but avoidable, several posters naming midweek visits and skipping the busiest chairlifts as standard workarounds. Posters call the weekly Spring Gruv Festival a real bonus, several regulars naming free concerts on the plazas as a fun addition to a March trip. Regulars call layering genuinely tricky to get right, several threads describing skiers in t-shirts with shells off on the slopes but still needing sunscreen and warmer layers for the lifts. Posters recommend checking current conditions rather than assuming typical March patterns hold, several regulars calling this standard given how much the month can swing. The record: 4.9C days, -4.7C nights, an extraordinarily high 123.8mm across nearly 14 days and 75 percent humidity.
Forum posters describe April as spring-skiing conditions rather than deep winter - daytime highs commonly in the high-40s to low-50sF, overnight temps still around freezing, and snow that softens through the day rather than staying powdery. Posters recommend planning for hard-packed snow first thing in the morning that turns soft by mid-morning and heavier, slushier by afternoon if the previous night dropped below freezing, though a late-season storm can still bring some of the best skiing of the year. Posters note most resorts close around the second weekend of April, with locals specifically prizing the tail end of the season for the chance to ski in the morning and eat lunch at an outdoor cafe in the sun the same day.
Forum posters describe August daytime temperatures typically in the mid-70s to low-80sF, cooling into the 40s-60sF at night - genuinely comfortable, and consistently 10-15 degrees cooler than nearby Salt Lake City or Ogden at the same time. On air conditioning, opinions are mixed: several long-time residents say fans and evening breezes are enough most of the time thanks to the dry western climate (unlike Florida-style humidity), though posters acknowledge recent summers have brought the occasional genuine heat wave where AC is welcome - newer rental properties generally have it as standard. August also lines up with the Main Street Arts Festival and outdoor Utah Symphony concerts at Deer Valley, giving the pleasant weather a cultural draw alongside the usual outdoor activities.
Park City-forum threads on a September visit call this genuinely one of the nicer stretches of the year, posters describing the town as pretty quiet after Labor Day outside of weekend day-trippers from the Salt Lake valley. Regulars call mid-to-late September real off season here, some restaurants and shops closed though accommodation rates considerably better as a result. Posters recommend Olympic Park for a bobsled run or zip line, a real option beyond the usual hiking and biking. Regulars call golf a solid September addition, both in Park City itself and nearby Heber City. Posters recommend real layers regardless of a sunny forecast, a passing early storm capable of bringing a brief flurry even this time of year. Regulars call most summer activities still fully in play through September, hiking and biking conditions considered reliable. The record: 21.7C days feeling like 22C, 7.8C nights, an extraordinarily high 54.4mm across nearly 7 days and 45 percent humidity.
Park City's forum describes October as genuinely two-sided — daytime in the 50s-70s°F early in the month with peak fall color, cooling into the 30s at night by later October when a coat becomes necessary. Regulars note real snow doesn't usually arrive until around Thanksgiving, though it's happened earlier some years, and that summer resort activities wind down while Main Street settles into its quieter shoulder season.
Park City-forum threads on December conditions call it genuinely early-season and unpredictable - some Decembers deliver deep, reliable snow, others run lean until later in the month, and posters are candid that year-to-year variation here is real rather than a rare exception. What's dependable regardless: the resorts run extensive snowmaking on the lower runs, so skiing itself is available even in a lighter-snow year, even if natural coverage isn't yet at its deepest. The last week of December consistently gets singled out as more reliable than the first half. Road conditions get a mention too - Utah's plow crews are called efficient enough that only a major storm actually closes roads, so a mid-December trip rarely turns into a logistics problem even if the powder is thinner than a February visit. The record: a frigid 2.3C by day dropping to -7.6C at night, 104mm across 11.3 days, a notably high 58.5cm of fresh snowfall, 78 percent humidity and 6.8 hours of sun.
地図のパークシティのカードから自分のメモを追加できます。