Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Jackson is from June, July, August. — consistent weather climate
🌥Mild
| Score | 12 | 13 | 14 | 20 | 45 | 86 | 95 | 93 | 84 | 32 | 14 | 11 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Polar | Polar | Polar | Cold | Cold | Mild | Pleasant | Mild | Mild | Cold | Polar | Polar |
| Temperature | -11–-2°C | -10–0°C | -7–4°C | -4–8°C | -1–13°C | 5–21°C | 10–26°C | 9–25°C | 5–20°C | -1–12°C | -8–3°C | -12–-2°C |
| Feels like | -15–-6°C | -14–-4°C | -11–1°C | -7–5°C | -4–11°C | 3–20°C | 8–26°C | 8–24°C | 3–18°C | -4–9°C | -12–-1°C | -16–-6°C |
| Precipitation | 70mm 17 days | 82mm 19 days | 70mm 16 days | 61mm 14 days | 55mm 12 days | 42mm 7 days | 17mm 3 days | 30mm 4 days | 56mm 8 days | 58mm 11 days | 68mm 13 days | 77mm 17 days |
| Sunshine | 5.1h ☀︎ 55% | 6.0h ☀︎ 57% | 8.4h ☀︎ 70% | 10.3h ☀︎ 76% | 12.0h ☀︎ 82% | 13.5h ☀︎ 88% | 14.2h ☀︎ 94% | 12.4h ☀︎ 89% | 11.0h ☀︎ 88% | 8.8h ☀︎ 80% | 6.2h ☀︎ 64% | 4.3h ☀︎ 48% |
| Wind | SW · 9 km/h | SW · 11 km/h | SW · 11 km/h | SW · 12 km/h | W · 10 km/h | SW · 13 km/h | W · 12 km/h | SW · 12 km/h | SW · 12 km/h | SW · 11 km/h | SW · 9 km/h | SW · 9 km/h |
| Humidity (%) | 74% | 72% | 69% | 68% | 69% | 61% | 51% | 53% | 61% | 71% | 77% | 76% |
| Day length | 9.4h | 10.5h | 12.0h | 13.5h | 14.7h | 15.4h | 15.0h | 13.9h | 12.5h | 11.0h | 9.7h | 9.0h |
This two-week celebration each September brings together painters, sculptors, and Western and wildlife artists from acro…
Each summer, orchestral musicians from major symphonies around the country gather in Jackson Hole for weeks of concerts,…
Held on Jackson's Town Square each May, this community event auctions off elk antlers shed on the nearby National Elk Re…
Jackson's calendar harbors a genuine paradox: its single most crowded month arrives in the slushy, raw grip of April, while midsummer delivers alpine perfection without the town-choking congestion you would anticipate.
Jackson exists as a springboard to scale that defies everyday comprehension. Tucked into the valley floor beneath the jagged, glacier-gouged granite of the Tetons, this town is the primary launching pad for Grand Teton National Park and Yellowstone National Park. Travelers come here not for an urban getaway, but because the wild North American continent suddenly rears up in front of them in sharp relief. Yet when you choose to go dictates whether you encounter a sun-drenched valley alive with wild music and mountain air, or a freezing, mud-bound town overwhelmed by visiting throngs.
Midsummer in Jackson is as close to outdoor perfection as the Rocky Mountain West can offer. By July, the high valley shrugs off its chill, settling into afternoon highs around 26 degrees Celsius with crisp, dry air and endless sunlight. The sky stays vast and blue well past nine in the evening, and afternoon rain rarely amounts to more than a passing mountain scent. You can spend twelve hours outdoors without ever feeling taxed by humidity or scorched by oppressive heat.
What catches travelers off guard is that town feels surprisingly open during this peak weather window. While trailheads into Grand Teton National Park fill before dawn, the footpaths around Jackson itself remain easy to navigate. July and August bring the Grand Teton Music Festival, filling the valley with world-class orchestral musicians between mornings spent hiking rocky switchbacks and afternoons floating along the river.
Late June acts as the threshold, where snowpack retreats from the mid-elevations and wildflowers flood the slopes of Snow King Mountain. If your priority is seeing the Tetons in their postcard splendor—lakes ice-free, granite crests sharp against sapphire skies, and evenings comfortable in light sleeves—midsummer is the undeniable high-water mark.
September is the month locals whisper about. The air turns sharply crystalline, dropping morning temperatures near freezing while afternoons hover in the easy, invigorating twenties. Along the river bottoms and mountain gullies, the aspens ignite in blazing yellows, set against the first dustings of early summit snow.
Town slows down to a deeply comfortable pace as overall foot traffic drops considerably. This is when the Jackson Hole Fall Arts Festival arrives, bringing open studios, gallery walks, and wildlife painters into the heart of town. You can wander through local galleries, talk with sculptors, and cross Jackson's Town Square under the iconic elk antler arches without having to dodge shoulder-to-shoulder tour groups.
The days are noticeably shorter than in midsummer, and you will need a substantial fleece by late afternoon, but the reward is empty viewpoints and a serene, golden stillness across the entire valley floor.
Winter in the valley is long, unforgiving, and deeply cold. From November through March, the thermometer regularly struggles to crawl past freezing, and apparent temperatures routinely dip well into the negative single digits. The light contracts, and heavy gray squalls drop relentless powder over the surrounding peaks, smothering the valley in white.
This is ski country in its truest form. Jackson Hole Mountain, Snow King Mountain, and Grand Targhee come alive with skiers hunting legendary steeps and deep Rocky Mountain snow. The town takes on an insular, boot-clomping rhythm centered on steaming wool, roaring hearths, and sub-zero night air that bites into exposed skin within seconds.
If you are not here specifically on boards or skis, however, the season is a test of endurance. Road closures slice off northern routes into Yellowstone National Park, and winter storms turn simple drives into white-knuckle crawls. The cold is not the kind you stroll through casually; it demands serious insulated gear, relentless planning, and a genuine appetite for frozen weather.
Conventional wisdom suggests visiting in the shoulder season to beat the crowds, but in Jackson, that advice backfires completely. April is the single busiest month on the calendar, and it collides head-on with some of the grimmest weather of the year. Apparent temperatures linger around five degrees, snow turns into deep, dirty slush, and the high-elevation trails remain hopelessly locked in wet drift.
Crowds arrive in massive numbers just as the valley is trapped in 'mud season,' when ski lifts begin winding down operations and hiking trails are closed to prevent erosion. The skies are frequently overcast, the landscape looks barren and exhausted from winter, and the cold carries a damp, penetrating chill that keeps you indoors.
May brings a modest improvement in temperature, along with the Jackson Hole Elk Fest & Antler Auction in Jackson's Town Square, where antlers gathered from the nearby National Elk Refuge are auctioned to bustling crowds. Yet even May remains cool, unpredictable, and crowded. Coming here in spring expecting mild mountain serenity will leave you navigating heavy foot traffic through cold, gray mountain rain.