December Weather in Lehi, United States

Last updated: June 24, 2025

In December, the average temperature in Lehi, United States hovers around -4°C (24°F). However, temperatures can dip as low as -20°C (-5°F), with highs peaking at 11°C (52°F). Expect about 60 mm (2.3 in) of precipitation spread over 11 days, contributing to an average humidity level of 88%.

December Temperature in Lehi

In December in Lehi, the average temperature is -4°C (24°F). Maximum temperatures can reach 11°C (52°F), while minimums can drop as low as -20°C (-5°F). Travelers should prepare for a wide range of temperatures and dress in layers to ensure comfort during their stay.

December Weather in Lehi: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Lehi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lehi, December typically has an average temperature of -4°C (24°F), with highs reaching up to 11°C (52°F) and lows dropping to around -20°C (-5°F).

Data source: Temperature data for Lehi generated using information from the Copernicus Climate Change Service.

December Precipitation in Lehi

In Lehi in December, the precipitation amount is 60 mm (2.3 in) spread over a total of 11 days.

December Precipitation Trends in Lehi

The chart displays monthly precipitation patterns in Lehi, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Lehi, December typically receives around 60 mm (2.3 inches) of precipitation spread over approximately 11 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Lehi

In Lehi in December, humidity is 88%. With an average temperature of -4°C (24°F), this humidity feels like an icy blanket enveloping you, making every breath feel crisp and biting, which can be quite challenging for traveling.

December Average Humidity in Lehi

This chart illustrates the average monthly humidity levels in Lehi, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Lehi is approximately 88%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Lehi

In Lehi in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Lehi, you can check the information here.

Maximum UV Index Levels in Lehi for December

The chart shows the monthly maximum UV Index (UVI) for Lehi in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Lehi typically reaches 3, which falls under the moderate exposure category.

Data source: Lehi December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How December Weather in Lehi Compares to Other Months

Weather in Lehi varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Lehi, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Lehi, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (24°F)	70 mm (2.8 inches)	91%	moderate
February Weather	-3°C (27°F)	77 mm (3.0 inches)	92%	high
March Weather	2°C (35°F)	74 mm (2.9 inches)	84%	very high
April Weather	5°C (42°F)	68 mm (2.7 inches)	74%	extreme
May Weather	11°C (51°F)	64 mm (2.5 inches)	62%	extreme
June Weather	19°C (66°F)	21 mm (0.8 inches)	56%	extreme
July Weather	24°C (75°F)	20 mm (0.8 inches)	44%	extreme
August Weather	22°C (72°F)	27 mm (1.1 inches)	37%	extreme
September Weather	17°C (62°F)	35 mm (1.4 inches)	46%	very high
October Weather	7°C (45°F)	45 mm (1.8 inches)	67%	high
November Weather	2°C (35°F)	45 mm (1.8 inches)	84%	moderate
December Weather	-4°C (24°F)	60 mm (2.3 inches)	88%	moderate