Jackson Hole in December

In December, Jackson Hole averages -2°C (28°F) during the day and -11°C (12°F) at night, with frequent rain — about 14 days of the month see precipitation (77 mm total).

Off-peak

Conditions are deeply cold — proper winter gear is essential. Plan for unsettled weather and bring rain gear.

December is one of the wetter and less comfortable months in Jackson Hole. If your dates are flexible, consider a different time of year.

-2°C
Avg high
-11°C
Avg low
14
Rain days
77 mm
Rainfall

How December compares to the rest of the year in Jackson Hole

12th
warmest month of the 12
4th
wettest month of the 12
11%
of yearly rainfall falls in December
8 h 58 min
daylight on the 15th

December is one of the coolest months in Jackson Hole (12th of 12) and moderately rainy compared to the rest of the year (4th of 12). Daytime temperature runs 13°C below the annual average (11°C). December runs 5°C cooler than November (3°C) and stays flat into January.

December sunrise & sunset in Jackson Hole

🌅
Sunrise (15th)
7:49 AM
🌇
Sunset (15th)
4:47 PM
Day length
8 h 58 min

Times shown for Jackson Hole local time (America/Denver), calculated for the 15th of December. They shift by a few minutes day to day across the month.

Photography light in Jackson Hole — December

Golden-hour and blue-hour windows for the 15th of December, in Jackson Hole's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
6:49 AM – 7:29 AM
🌄 Golden hour (AM)
7:29 AM – 8:29 AM
🌇 Golden hour (PM)
4:07 PM – 5:07 PM
🌆 Blue hour (PM)
5:07 PM – 5:47 PM

📅 When to book — Jackson Hole in December

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 December's tier (Off-peak) and Jackson Hole's popularity.

✈ Flights — lead time
3-6 weeks
Cheapest flights of the year. Last-minute deals are real if you can be flexible.
🏨 Lodging — lead time
2-4 weeks
Last-minute bookings work fine. Some seasonal properties close — call ahead if it's a small boutique or beach resort.
⚠ Christmas / New Year travel is a global premium-pricing event — many destinations 30-50% above normal. Book 4+ months ahead if your dates are Dec 20 - Jan 2.

December in United States — events that affect travel

Known cultural, religious, or national events that surge prices, fill hotels, or close businesses during this month. Plan around them, or build your itinerary around the ones you'd like to see.

🎄
US Christmas/New Year Window
Travel surge · high impact

Major travel surge plus widespread Dec 24-26 and Jan 1 business closures.

Plan: Book flights and hotels well ahead; expect many restaurants/shops closed Dec 25 and Jan 1.

Crowds & pricing — December in Jackson Hole

Off-peak

This is off-peak for Jackson Hole — the lowest prices of the year and the fewest crowds, but with real trade-offs: some restaurants, hotels, and beach businesses may close for the season; weather conditions can make outdoor activities unpredictable; and a handful of seasonal sights run reduced hours or close entirely. Great if you prefer a quiet local rhythm and don't mind the climate giving you reasons to choose indoor activities.

Why this tier: challenging tourism weather Christmas / New Year travel surge

Sun & mosquito risk — December in Jackson Hole

☀️ UV Index (noon, 15th)
3.9
Moderate
Use SPF 15-30 for prolonged outdoor exposure; sunglasses recommended at peak hours.
🦟 Mosquito risk
●●○○○
Low
Mosquitoes present but manageable. Pack repellent (DEET 10-20%) for evenings near water.

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.

🥶 Bitter cold — Jackson Hole in December

Snow days (typical)
0
days/month
Avg low
-11°C
12°F
Avg day high
-2°C
28°F

Gear: Snow rare but air is freezing. Insulated coat, hat, and gloves still required — wind chill is the real enemy.

Jackson Hole in other months

MonthAvg highAvg lowRainfallRain daysSnow 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 December weather

🌍 See the full ranked list of climate twins for Jackson Hole in December →

Frequently asked questions

How hot is Jackson Hole in December?

In December, Jackson Hole averages a high of -2°C (28°F) and a low of -11°C (12°F) — generally cold.

Does it rain a lot in Jackson Hole in December?

December can be fairly wet in Jackson Hole, with about 14 rainy days on average.

Is December a good time to visit Jackson Hole?

December is cold but on the rainy side. It suits travelers who are comfortable with cold weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Jackson Hole in December?

Pack heavy winter layers, a coat, hat and gloves, plus a compact umbrella or rain jacket. See the full December packing list for Jackson Hole for a complete, climate-based checklist.

Open Jackson Hole on the interactive map

Check the live 10-day forecast and sunrise/sunset.