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Best time to visit · Wyoming, United States
On the climate data, the best time to visit Jackson is June – September, scoring up to 96/100 with highs around 80°F (27°C) and 1.2 in (31 mm) of rain in August. The toughest months are February & March and December, mainly because of cool days.
Highs run from 27°F to 82°F across the year, and the yearly total is about 25.8 in (656 mm) of rain and snow.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 28°F-2°C | 29°F-1°C | 37°F3°C | 46°F8°C | 59°F15°C | 71°F22°C | 82°F28°C | 80°F27°C | 70°F21°C | 52°F11°C | 38°F3°C | 27°F-3°C |
| Avg low | 8°F-13°C | 9°F-13°C | 18°F-8°C | 27°F-3°C | 36°F2°C | 44°F7°C | 54°F12°C | 51°F11°C | 42°F6°C | 31°F0°C | 20°F-7°C | 9°F-13°C |
| Rain/snow | 2.7 in69 mm | 2.4 in62 mm | 2.4 in60 mm | 2.5 in63 mm | 2.5 in63 mm | 2.0 in50 mm | 0.9 in24 mm | 1.2 in31 mm | 1.8 in46 mm | 2.1 in54 mm | 2.4 in61 mm | 2.9 in73 mm |
| Humidity | 96% | 98% | 94% | 80% | 70% | 63% | 51% | 47% | 53% | 67% | 84% | 96% |
| Cloud | 67% | 70% | 70% | 69% | 69% | 53% | 39% | 42% | 44% | 58% | 66% | 71% |
| Comfort | 44 | 44 | 44 | 54 | 75 | 91 | 93 | 96 | 95 | 69 | 46 | 42 |
Source: NASA POWER (public domain), 2001–2025 monthly averages on a ~50 km satellite and reanalysis grid, so coasts and valleys can differ from what's shown. Temperatures were adjusted from the grid cell's ~2,418 m (7,933 ft) to Jackson's ~1,883 m (6,178 ft) elevation using the standard lapse rate of 6.5°C per 1,000 m. Precipitation includes snow as melted water; daylight is calculated from latitude. Check a forecast before you go.
The coldest season, with highs of 27–29°F (-3–-1°C) and lows down to 8°F (-13°C). It's the wettest season, with about 8.0 in (204 mm) of rain or snow, 31% of the year's total. December – February are cold enough for snow. Comfort scores bottom out in February and December; the season averages 43/100.
Temperatures climb through the season, from 37°F highs in March to 59°F by May. About 7.3 in (186 mm) of rain or snow falls across these months, 28% of the year's total. March & April are cold enough for snow. It holds the toughest stretch on our comfort score (March), averaging 58/100.
Peak warmth: highs of 71–82°F (22–28°C). It's the driest season, with only about 4.1 in (105 mm) of rain, 16% of the year's total. Lows bottom out around 44°F (7°C). June – August are among the best-scoring months (season average 93/100).
Temperatures slide from 70°F highs in September to 38°F by November. About 6.3 in (161 mm) of rain or snow falls across these months, 25% of the year's total. November is cold enough for snow. Comfort peaks here: September ranks with the year's best, and the season averages 70/100.
By comfort score: 5 Great, 1 Good, 2 Fair and 4 Tough. Great months: May – September. Tap a month for its own guide.
On the climate data, the best time to visit Jackson is June – September, scoring up to 96/100 with highs around 80°F (27°C) and 1.2 in (31 mm) of rain in August. The toughest months are February & March and December, mainly because of cool days.
December is the wettest month, averaging about 2.9 in (73 mm) of rain or snow. July is the driest, with about 0.9 in (24 mm). The yearly total is around 25.8 in (656 mm).
January is the coldest, with average lows of 8°F (-13°C) and highs of 28°F (-2°C). The warmest is July, with average highs of 82°F (28°C).
Not very: summer (June – August) humidity averages 54%, and highs peak around 82°F (28°C), so heat matters more than mugginess.
On average, yes: lows fall below 32°F (0°C) in October – April, bottoming out around 8°F (-13°C) in January.
Poll the group on June – September dates, then plan the days, packing and costs together.
