Verdict

In Las Vegas, December has a distinct winter feel. As the season moves along, temperatures are dropping quickly. You can usually expect a cool month that feels reliable day to day. Breezes can be part of the character, especially in exposed spots.

It suits travellers who want straightforward weather for sightseeing and day trips. A breeze can shift the feel of the day, especially later on.

Avg High
Avg Low
Rain
Daylight
10h
What to expect
  • Temperature feel - Cooler air with a gentle drop-off once the sun goes down. It often feels a touch cooler in the shade.
  • Showers & dry spells - Low chance of washouts. You’ll get wet windows, then dry windows. You’ll likely see a few passing showers.
  • Midday sun - Moderate sun. You'll feel fine, but it's still easy to get caught out. This is a 'don't forget the hat' month.
  • Exposure - Generally still, and expect sharp gusts that can change plans in exposed areas. It’s the kind of wind you plan around for viewpoints and coastal walks.
December in context

How it compares to the rest of the year in Las Vegas.

Hottest (avg)
#12 / 12
Wettest (avg)
#3 / 12
Daylight Hours
#12 / 12
Windiest (avg)
#12 / 12
Highest UV
#12 / 12
Most Humid
#2 / 12

Temperature

Daytime high
Nighttime low
Feels like (avg)

Sunshine

Daylight
9.7 hours
UV index (max)
4
Typical sun hours
06:43 – 16:28

Rain & Snow

Total
Rainy days
3
Cloud cover
39%
Snowfall

Humidity & Wind

Humidity (avg)
44%
Wind (avg)
Wind (max gusts)

Frequently asked questions

Is December a good time to visit Las Vegas?

Typical December days in Las Vegas reach highs of 13°C (55°F) with nights around 4°C (39°F). It usually feels cool by day and cold after dark. It is among the wetter months, so it is wise to have some indoor backup plans or flexible activities.

What are temperatures like in December?

In December, you can usually expect highs of 13°C (55°F) and lows near 4°C (39°F). That means cool days and cold nights, so pack layers you can add or remove.

How much does it rain in December?

Rainfall in December averages 16 mm (0.63 in) across roughly 3 days. Overall it is a mostly dry time of year, so showers are usually brief rather than all-day downpours.

How many hours of daylight are there in December?

You can expect about 10 hours of daylight in December. Sunrise is typically around 06:43 and sunset near 16:28. Days are on the shorter side, so plan activities around limited daylight.

How strong is the sun in December?

UV levels are moderate (around 4); sunscreen and sunglasses are still a good idea.

Is it windy in December?

In December, average wind speeds are around 7 km/h (4 mph), with gusts on the windiest days reaching about 46 km/h (29 mph). On the ground, it is it often feels breezy, especially in more exposed spots or along the coast.

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