Jackson Hole in August
In August, Jackson Hole averages 26°C (78°F) during the day and 10°C (49°F) at night, with around 6 days of rain (39 mm total).
High seasonConditions are comfortable for sightseeing without being sweltering. Occasional showers are likely but won't dominate.
It's peak hurricane season in Jackson Hole during August. Travel is possible but expect storm risk, possible flight disruption, and generally lower travel insurance coverage.
How August compares to the rest of the year in Jackson Hole
August is one of the warmest months in Jackson Hole (2nd of 12) and one of the driest months (11th of 12). Daytime temperature runs 15°C above the annual average (11°C). August runs 1°C cooler than July (27°C) and cools 5°C in September (21°C).
August sunrise & sunset in Jackson Hole
Times shown for Jackson Hole local time (America/Denver), calculated for the 15th of August. They shift by a few minutes day to day across the month.
Photography light in Jackson Hole — August
Golden-hour and blue-hour windows for the 15th of August, in Jackson Hole's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Jackson Hole in August
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on August's tier (High season) and Jackson Hole's popularity.
Crowds & pricing — August in Jackson Hole
This is a busy month in Jackson Hole — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: excellent tourism weather Northern Hemisphere summer holidays peak hazard season (1 active)
Sun & mosquito risk — August in Jackson Hole
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Jackson Hole in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | -2°C / 29°F | -10°C / 13°F | 71 mm | 13 | — |
| February | 0°C / 31°F | -9°C / 16°F | 88 mm | 15 | — |
| March | 5°C / 40°F | -6°C / 21°F | 72 mm | 14 | — |
| April | 8°C / 46°F | -3°C / 27°F | 66 mm | 14 | — |
| May | 14°C / 56°F | 0°C / 32°F | 53 mm | 12 | — |
| June | 22°C / 71°F | 6°C / 42°F | 46 mm | 9 | — |
| July | 27°C / 80°F | 10°C / 50°F | 17 mm | 5 | — |
| August | 26°C / 78°F | 10°C / 49°F | 39 mm | 6 | — |
| September | 21°C / 69°F | 6°C / 42°F | 59 mm | 8 | — |
| October | 12°C / 53°F | -1°C / 31°F | 59 mm | 10 | — |
| November | 3°C / 37°F | -8°C / 18°F | 77 mm | 11 | — |
| December | -2°C / 28°F | -11°C / 12°F | 77 mm | 14 | — |
Other cities with similar August weather
🌍 See the full ranked list of climate twins for Jackson Hole in August →
Frequently asked questions
How hot is Jackson Hole in August?
In August, Jackson Hole averages a high of 26°C (78°F) and a low of 10°C (49°F) — generally warm.
Does it rain a lot in Jackson Hole in August?
August sees occasional rain in Jackson Hole, with about 6 rainy days on average.
Is August a good time to visit Jackson Hole?
August is warm. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Jackson Hole in August?
Pack light layers for warm days and cooler evenings. See the full August packing list for Jackson Hole for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.