December weather forecast
Lehi, UT

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The Church of Jesus Christ of Latter-Day located in Lehi, Utah, in the scenic area with a large mountain in the back view
The Church of Jesus Christ of Latter-Day located in Lehi, Utah, in the scenic area with a large mountain in the back view

Weather in December

The year in Lehi concludes with a wintry December, characterized by fresh snowfall, frosty temperatures, and festive holiday ambiance. The charming snowfall returns with a pronounced increase from November's 4.69" (119mm) to 10.16" (258mm) indicating the start of winter. The city transforms into a white wonderland, decorated with holiday spirit, offering a sight to remember during Christmas. The long nights paired with the short daylight of 9.3 hours bring a sense of serenity, perfect for cozy indoor gatherings. Despite the cold exterior, December pulls everyone into the warm heart of holiday celebrations, culminating the year on a high note.

Temperature

January and December, with an average high-temperature of 32.4°F (0.2°C), are the coldest months in Lehi.

Humidity

In Lehi, the average relative humidity in December is 81%.

Rainfall

The months with the most rainfall are April and December, with an average 1.93" (49mm) of precipitation.

Snowfall

Months with snowfall in Lehi, Utah, are January through May, October through December. In Lehi, during December, snow falls for 13 days and regularly aggregates up to 10.16" (258mm) of snow. Throughout the year, there are 58.5 snowfall days, and 44.49" (1130mm) of snow is accumulated.

Daylight

The month with the shortest days in Lehi is December, with an average of 9h and 18min of daylight.
On the first day of December in Lehi, sunrise is at 7:31 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 5:11 pm MST.

Sunshine

The average sunshine in December in Lehi, Utah, is 5.7h.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: In December, a regular UV index of 1 translates into these guidelines:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.

Frequently asked questions

What is the coldest time of year in Lehi?

Lehi sees its lowest temperatures during January and December, with an average high-temperature of 32.4°F (0.2°C).

How cold is December in Lehi?

In Lehi, 32.4°F (0.2°C) is the average high-temperature and 17.2°F (-8.2°C) is the average low-temperature during December.

What is the average humidity in December in Lehi?

In Lehi, Utah, the average relative humidity in December is 81%.

What is the wettest month in Lehi?

The months with the most rainfall in Lehi, Utah, are April and December, with an average 1.93" (49mm) of precipitation.

How much does it rain in Lehi in December?

In Lehi, in December, during 10.2 rainfall days, 1.93" (49mm) of precipitation is typically accumulated.

How many days does it snow in December in Lehi?

In Lehi, Utah, in December, during 13 snowfall days, 10.16" (258mm) of snow is typically accumulated.

What is the month with the shortest days in Lehi?

With an average of 9h and 18min of daylight, December has the shortest days of the year.

How many hours of daylight does Lehi have in December?

In Lehi, the average day length in December is 9h and 21min.

What time are sunrise and sunset in December in Lehi?

On the first day of December in Lehi, Utah, sunrise is at 7:31 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 5:11 pm MST.

How long on average sun shines in December in Lehi?

In December, the average sunshine duration in Lehi is 5.7h.

When is the lowest UV index in Lehi?

With an average maximum UV index of 1, December is the month with the lowest UV index in Lehi, Utah.

How high is the UV index in December in Lehi?

In Lehi, the average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Lehi, UT

Average temperature in December - Lehi, UT
  • Average high temperature in December: 32.4°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The months with the lowest average high temperature are January and December (32.4°F).

  • Average low temperature in December: 17.2°F

The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).

Average pressure in December
Lehi, UT

Average pressure in December - Lehi, UT
  • Average pressure in December: 30.21"Hg

The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in December
Lehi, UT

Average wind speed in December - Lehi, UT
  • Average wind speed in December: 5.2mph

The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is January (4.6mph).

Average humidity in December
Lehi, UT

Average humidity in December - Lehi, UT
  • Average humidity in December: 81%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is July (38%).

Average rainfall in December
Lehi, UT

Average rainfall in December - Lehi, UT
  • Average rainfall in December: 1.93"

The wettest months (with the highest rainfall) are April and December (1.93").
The driest month (with the least rainfall) is June (0.75").

Average rainfall days in December
Lehi, UT

Average rainfall days in December - Lehi, UT
  • Average rainfall days in December: 10.2 days

The month with the highest number of rainy days is May (14.3 days).
The months with the least rainy days are June and November (7.3 days).

Average snowfall in December
Lehi, UT

Average snowfall in December - Lehi, UT
  • Average snowfall in December: 10.16"

The month with the highest snowfall is January (11.06").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Lehi, UT

Average snowfall days in December - Lehi, UT
  • Average snowfall days in December: 13 days

The month with the highest number of snowfall days is December (13 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Lehi, UT

Average daylight in December / Average sunshine in December - Lehi, UT
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 5h and 4min

The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

Average sunshine days in December
Lehi, UT

Average sunshine days in December - Lehi, UT
  • Average sunshine days in December: 13.9 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is February (11.4 days).

Average UV index in December
Lehi, UT

Average UV index in December - Lehi, UT
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Lehi, UT

Average cloud cover in December - Lehi, UT
  • Average cloud cover in December: 40

The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 10).

Average visibility in December
Lehi, UT

Average visibility in December - Lehi, UT
  • Average visibility in December: 5mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

Lehi, Utah, USA

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