Big Sky weather in June

June in Big Sky: nice, rainy, with clean air — not the best time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Big Sky🇺🇸 United States · Rockies · Ski20
  1. 90Jan
  2. 94Feb
  3. 83Mar
  4. 77Apr
  5. 50May
  6. 20Jun
  7. 14Jul
  8. 12Aug
  9. 23Sep
  10. 59Oct
  11. 74Nov
  12. 87Dec

#10 of 12 months in Big Sky · #1348 of 1413 destinations to visit in June · comfort 20/100 (tier F)

Days
20°C
Nights
7°C
Wet days
15
Sun
12.9 h
Humidity
64%
Daylight
16 h
Big Sky, United States
Photo: Alex Moliski · Pexels

Traveller notes on Big Sky in June

Notes from nearby Bozeman (51 km away)

Big Sky doesn't have its own notes for June yet — these are about Bozeman, close enough to share the season.

Bozeman-forum threads on May-into-June weather describe a month split by a rough date: early June can be gorgeous with just the usual short afternoon shower, or it can turn blustery enough to bring snow, and posters are candid that June is one of the wettest months of the year here - one regular's standing advice is simply to come after June 25th, when the weather turns reliably good. The upside through the unsettled stretch: the sun doesn't set until after 9pm, so even a rainy day still runs long. Trails at higher elevations stay snow-covered well into the month regardless of what the valley floor is doing. The record: 24.2C days, 8.9C nights, 70mm of rain across 9.7 days, a touch of snowfall still possible and 13 hours of sun - warm at the surface, unsettled underneath, and better the later in June you land.
GallatinValleyJuneRegular · June · 1 month ago · about Bozeman · Read more on Tripadvisor ↗

Other months in Big Sky

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.
BigSkyAprilRegular · April · 1 month ago · Read more on Tripadvisor ↗
Big Sky-forum threads on a late May visit describe this as shoulder season, posters using it as a base for Yellowstone while asking whether local businesses would be open given the timing. Regulars call biking, horseback riding and rafting on the Gallatin River all real May options once conditions allow, several posters recommending these over anything snow-dependent this late in spring. Posters recommend checking the Big Sky and Bozeman Chamber event calendars directly, several regulars calling this the best way to confirm what's actually running during shoulder weeks. Regulars call lodging genuinely varied this time of year, ski-in options and condo complexes both mentioned as available even outside peak season. Posters recommend real flexibility around exact May plans, some businesses here still on reduced or seasonal schedules this early. The record: 11.8C days feeling like 10C, 1.2C nights, an extraordinarily high 93.8mm across over 16 days and 61 percent humidity.
BigSkyMayRegular · May · 1 month ago · Read more on Tripadvisor ↗
Big Sky-forum threads on a July visit describe this as genuinely peak season, posters recommending the chairlift or gondola up the mountain for anyone wanting the views without a full hike. Regulars call Beehive Basin the standout hike close to town, Ousel Falls named the easier first outing for anyone easing into the altitude. Posters recommend a ranch experience or horseback outing as a genuine change of pace from the trail-heavy itinerary most visitors default to. Regulars call late July the calendar's busiest stretch, Music in the Meadows, the farmers market and the PBR Rodeo all real draws worth timing a trip around. Posters recommend real bear spray for hikes further from town like Upper Beehive, wildlife encounters here a genuine possibility. Regulars call the daytime warmth genuinely comfortable, evenings still cool enough for a real layer once the sun drops. The record: 25.7C days feeling like 25C, 12C nights, 38.4mm across over 10 days and 53 percent humidity.
BigSkyJulyRegular · July · 1 month ago · Read more on Tripadvisor ↗
Big Sky-forum threads on March skiing are consistently enthusiastic, posters calling snow conditions rarely a problem this time of year and early March frequently named among the best stretches of the entire season. Regulars describe peak snowpack as typically landing around the first week of March, conditions often surpassing January simply because more has accumulated by then. Posters call the freeze-thaw cycle that defines classic spring skiing as not yet fully underway in March, a real advantage over April. Regulars recommend early-to-mid March as the more dependable target, temperatures generally sitting comfortably in the twenties and thirties Fahrenheit. Posters describe days as noticeably longer and milder than deep winter without sacrificing snow quality. Regulars recommend checking conditions before an April trip. The record: 3.1C days feeling like -1C, -6.3C nights, a notably high 47.1cm of fresh accumulation and 74 percent humidity.
BigSkyMarchRegular · March · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Big Sky's card on the map.

Big Sky climate normals — June

Daytime high20°C / 67°F😎 nice
Nighttime low7°C / 44°F
Feels like (high)18°C / 64°F
Rainfall94 mm / 3.7 in🌧 rainy
Rainy days15 days
Humidity64%💧 humid
Dew point6°C / 43°F
Sunshine12.9 h/day
Daylight15.6 h
Wind14 km/h / 8 mph
Snowfall7.4 cm / 2.9 in
Air quality (US AQI)46🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Big Sky in June

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

BusySummer break in United States, school holidays in 2 of the markets that fill it(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for Big Sky's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Toughest weatherBig Sky's weather peaks December–February.

JFMAMJJASOND

Best weatherFair weatherToughest weather

What's on in Big Sky in June

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Opening

    Yellowstone roads open

    15 Apr – 5 Nov · usuallyTrail seasonClosures

    The interior roads out of West Yellowstone are ploughed open in stages from mid-April and close again to cars in early November, after which it is snowcoach or nothing. Big Sky is an hour from that gate. Source ↗

  • Season

    Spring mud season

    20 Apr – 10 JunOff-season shutdownClosures

    Lifts stop, half the restaurants close, the trails are wet snow and the Yellowstone roads are still shut. Locals leave; the few who come get an empty valley at the cheapest rates of the year.

  • Festival

    Music in the Mountains

    1 Jun – 10 Sep · usuallyMusic festival

    Free Thursday-evening concerts in Town Center park from early June to the start of September. Bring a blanket and something warm; the temperature drops the moment the sun goes behind Lone Peak. Source ↗

What's on around the world in June →

Nearby, and something's on

Within 300 km of Big Sky — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Big Sky?

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Big Sky in June — FAQ

Is June a good time to visit Big Sky?
June in Big Sky: nice, rainy, with clean air — not the best time to visit. It ranks #10 of 12 months for Big Sky on SeasonMap's comfort score (20/100).
What is the weather like in Big Sky in June?
In June, Big Sky averages a daily high of 19.7°C and a low of 6.9°C, with about 94.2 mm of rain over roughly 15.4 rainy days.
What is the air quality in Big Sky in June?
Big Sky has a mean US Air Quality Index of about 46 in June.
Does it snow in Big Sky in June?
Big Sky sees roughly 7.4 cm of snowfall in June.

Within 300 km: Bozeman's Mountain wildflowers around 20 Jun – 5 Aug, and Yellowstone National Park's Spring wildlife on the northern range around 15 Apr – 15 Jun.