Wetter in Sun Valley im Mai

Mai in Sun Valley: kühl, etwas Regen, mit sicherem Schnee – nicht die beste Reisezeit.

Aktualisiert: September 2026 · Klimanormalwerte aus der ERA5-Reanalyse

Sun Valley🇺🇸 Vereinigte Staaten · Rocky Mountains · Ski34
  1. 86Jan.
  2. 91Feb.
  3. 83März
  4. 58Apr.
  5. 34Mai
  6. 20Juni
  7. 12Juli
  8. 14Aug.
  9. 18Sep.
  10. 45Okt.
  11. 72Nov.
  12. 88Dez.

Platz 8 von 12 Monaten in Sun Valley · Platz 1366 von 1413 Reisezielen im Mai · Komfort 34/100 (Stufe F)

Tagsüber
16°C
Nachts
1°C
Regentage
8
Sonne
12.4 h
Luftfeuchte
70%
Tageslicht
15 h

Notizen von Reisenden zu Sun Valley im Mai

Sun Valley-forum threads on a mid-May visit describe the Prospector Loop as typically clear by this point, posters calling it a reliable lower-elevation option while cover still lingers higher up. Regulars call Adams Gulch and Fox Creek generally good bets too, though conditions here shift year to year depending on how the winter went. Posters call late May and early June still capable of trail closures at altitude, several routes not fully clearing until closer to summer. Regulars recommend checking current trail status directly before a May hike, local knowledge considered more reliable than a generic forecast this time of year. Posters call wildflowers a real May and June highlight worth timing a return trip around, conditions varying by elevation and exposure. The record: 15.6C days feeling like 15C, 1.3C nights, an extraordinarily high 55.2mm across over 8 days and 51 percent humidity.
SunValleyMayRegular · Mai · vor 3 Tagen · Mehr auf Tripadvisor lesen ↗

Andere Monate in Sun Valley

Sun Valley-forum threads on an April visit describe closing dates as genuinely variable year to year, posters naming Bald Mountain's typical second-weekend-of-April closure and Dollar Mountain's last-weekend-of-March finish as standard but conditions-dependent. Regulars call a thirty-six-year local's take that timing is always different a real reflection of how much this shifts season to season. Posters call early April genuinely still active beyond skiing, several regulars naming snowshoeing, skate skiing, thermal pools and shopping as standard alongside whatever terrain remains open. Regulars call the Dollar Dayz Cold Bowl Pond Skim a real end-of-season tradition, several threads naming live music and prizes as part of the closing celebration. Posters recommend checking current lift status before an April trip, several regulars calling this standard given how much dates can shift. The record: 10.5C days, -3.3C nights, 32.6mm across nearly 6 days and 71 percent humidity.
SunValleyAprilRegular · April · vor 2 Tagen · Mehr auf Tripadvisor lesen ↗
Sun Valley-forum threads on planning a solo ski trip describe the resort as a genuinely comfortable choice for someone traveling alone, posters calling the town small enough to navigate easily and the ski school well set up for pairing solo skiers into groups. Regulars call March a mixed month by reputation, February generally considered the stronger snow month, March conditions dependent on whether the sun or a fresh system dominates the week. Posters describe a freeze-thaw pattern as a real risk this late in the season, slopes turning icy overnight and staying difficult until the sun properly softens them. Regulars recommend checking the current snow report closely rather than assuming a typical March. Posters call the town's restaurant scene and thermal springs a genuine bonus for a non-ski afternoon. Regulars recommend layering for real morning-to-afternoon swings. The record: 4.6C days feeling like 1C, -8.3C nights, 54.6mm across nearly 8 days and 75 percent humidity.
SunValleyMarchRegular · März · vor 3 Tagen · Mehr auf Tripadvisor lesen ↗
Sun Valley-forum threads on September describe this as a genuine local favorite, mornings running crisp and cold while afternoons turn comfortably sunny and mild, the classic shoulder-season contrast. Posters call mid-September through mid-October a particularly strong stretch, aspen groves through the valley changing color by then. Regulars are direct the ski lifts close after Labor Day for the season, but call hiking and biking on the mountain still genuinely excellent, trails staying open well into autumn. Posters recommend the Sawtooth range as worth building a day around, conditions there called consistently good this time of year. Regulars describe layering as the standing advice given how much the temperature swings between morning and afternoon. Posters call September the month local regulars themselves recommend over the busier summer stretch. The record: 21.6C days feeling like 19C, 3.3C nights, a notably high 2.7cm of fresh accumulation and 52 percent humidity.
SunValleySeptemberRegular · September · vor 3 Tagen · Mehr auf Tripadvisor lesen ↗
Sun Valley-forum threads on July trips describe an idyllic stretch, comfortable daytime temperatures paired with an unusually low humidity that regulars call a real point of pride locally, and an expansive resort campus that rarely feels crowded even at the height of summer. Posters call evenings genuinely cool, a real jacket worth packing even after a warm afternoon, since the desert-adjacent air loses heat fast once the sun sets. The Sun Valley Music Festival, running through July and August with free open-air symphony performances against the alpine backdrop, is repeatedly named a genuine summer highlight worth timing a visit around. Regulars call hiking, biking and fly fishing all in prime shape this time of year, trails clear and streams running well. The record: 27.2C days feeling like 28C, 8.2C nights, a very low 41 percent humidity and 14.5 hours of daylight.
KetchumJulyRegular · Juli · vor 3 Tagen · Mehr auf Tripadvisor lesen ↗

Schreib deine eigene Notiz – direkt auf der Karte, bei Sun Valley.

Klimanormalwerte Sun Valley – Mai

Tageshöchstwert16°C / 60°F🙂 kühl
Tiefstwert nachts1°C / 34°F
Gefühlt (Höchstwert)14°C / 57°F
Niederschlag55 mm / 2.2 in🌦 etwas Regen
Regentage8 Tage
Luftfeuchtigkeit70 %💧 feucht
Taupunkt1°C / 34°F
Sonnenschein12.4 h/Tag
Tageslicht14.7 h
Wind12 km/h / 7 mph
Schneefall16.1 cm / 6.3 in
Luftqualität (US AQI)53🙂 mäßig

Monatliche Durchschnittswerte aus der ERA5-Reanalyse. Der AQI ist der mittlere US-Luftqualitätsindex des Monats.

Andrang in Sun Valley im Mai

Wie voll der Ort selbst ist – Schul- und Massenferien, die Monate, die die Redaktion markiert hat, und wie begehrt das Wetter sie macht. Fließt nie in den Komfort-Score ein.

Zwischensaisonein gewöhnlicher Monat(geschätzt)

JFMAMJJASOND

HochbetriebViel losZwischensaisonRuhig

Die besten Monate fürs Wetter in Sun Valley

Gerankt nach dem Klimakomfort-Score dieses Reiseziels übers Jahr – etwas anderes als der Andrang (siehe Andrang oben).

Ordentliches WetterDie beste Wetterphase in Sun Valley reicht von Dezember bis Februar.

JFMAMJJASOND

Bestes WetterOrdentliches WetterSchwierigstes Wetter

In der Nähe ist was los

Im Umkreis von 300 km um Sun Valley – ein Tagesausflug oder ein kurzer Abstecher – mit etwas, das diesen Monat los ist. Fließt nie in den Komfort-Score ein.

Wo liegt Sun Valley?

Karte wird geladen …

Sun Valley im Mai – häufige Fragen

Ist der Mai eine gute Reisezeit für Sun Valley?
Mai in Sun Valley: kühl, etwas Regen, mit sicherem Schnee – nicht die beste Reisezeit. Beim Komfort-Score von SeasonMap liegt der Monat für Sun Valley auf Platz 8 von 12 (34/100).
Wie ist das Wetter in Sun Valley im Mai?
Im Mai liegen die Tageshöchstwerte in Sun Valley im Schnitt bei 15.6°C und die Tiefstwerte bei 1.3°C, mit rund 55.2 mm Regen an etwa 8 Regentagen.
Wie ist die Luftqualität in Sun Valley im Mai?
Sun Valley hat im Mai einen mittleren US-Luftqualitätsindex (AQI) von etwa 53.
Schneit es in Sun Valley im Mai?
In Sun Valley fallen im Mai rund 16.1 cm Schnee.

Im Umkreis von 300 km: Big Sky: Yellowstone roads open, etwa 15. Apr. – 5. Nov. und Grand Teton National Park: Memorial Day weekend, 23.–25. Mai.

Wetter in Sun Valley im Mai: 16°C, 8 Regentage, 12 h Sonne | SeasonMap