Salt Lake City in December
In December, Salt Lake City averages 3°C (38°F) during the day and -5°C (22°F) at night, with around 13 days of rain (62 mm total).
Off-peakConditions are cold — pack winter layers. Plan for unsettled weather and bring rain gear.
December in Salt Lake City is outside the typical sweet spot for sightseeing weather. It can still be a great time to visit if you have specific reasons (festivals, off-season pricing, etc.).
How December compares to the rest of the year in Salt Lake City
December is one of the coolest months in Salt Lake City (12th of 12) and moderately rainy compared to the rest of the year (6th of 12). Daytime temperature runs 14°C below the annual average (17°C). December runs 6°C cooler than November (9°C) and stays flat into January.
December sunrise & sunset in Salt Lake City
Times shown for Salt Lake City 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 Salt Lake City — December
Golden-hour and blue-hour windows for the 15th of December, in Salt Lake City's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Salt Lake City 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 Salt Lake City's popularity.
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.
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 Salt Lake City
This is off-peak for Salt Lake City — 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 Salt Lake City
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 — Salt Lake City in December
Gear: Snow rare but air is freezing. Insulated coat, hat, and gloves still required — wind chill is the real enemy.
Salt Lake City in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 3°C / 38°F | -5°C / 22°F | 56 mm | 14 | — |
| February | 6°C / 42°F | -4°C / 25°F | 48 mm | 14 | — |
| March | 11°C / 52°F | 0°C / 31°F | 71 mm | 15 | — |
| April | 16°C / 60°F | 3°C / 37°F | 72 mm | 15 | — |
| May | 21°C / 70°F | 8°C / 46°F | 46 mm | 16 | — |
| June | 29°C / 84°F | 14°C / 57°F | 18 mm | 6 | — |
| July | 34°C / 93°F | 20°C / 67°F | 8 mm | 7 | — |
| August | 32°C / 89°F | 18°C / 64°F | 20 mm | 7 | — |
| September | 26°C / 79°F | 13°C / 55°F | 41 mm | 8 | — |
| October | 18°C / 64°F | 5°C / 42°F | 39 mm | 9 | — |
| November | 9°C / 49°F | -1°C / 30°F | 45 mm | 11 | — |
| December | 3°C / 38°F | -5°C / 22°F | 62 mm | 13 | — |
Other cities with similar December weather
🌍 See the full ranked list of climate twins for Salt Lake City in December →
Frequently asked questions
How hot is Salt Lake City in December?
In December, Salt Lake City averages a high of 3°C (38°F) and a low of -5°C (22°F) — generally cold.
Does it rain a lot in Salt Lake City in December?
December can be fairly wet in Salt Lake City, with about 13 rainy days on average.
Is December a good time to visit Salt Lake City?
December is cold. 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 Salt Lake City 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 Salt Lake City for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.