December Weather in Lamar, United States

Last updated: June 24, 2025

In December, the average temperature in Lamar, United States hovers around 16°C (61°F). Expect a temperature range with a chilly minimum of 1°C (33°F) and a warm maximum of 27°C (80°F). Be prepared for a bit of rain, as the area experiences about 55 mm (2.2 in) of precipitation over 6 days. With an average humidity level of 84%, it's advisable to keep cool and stay hydrated!

December Temperature in Lamar

In December in Lamar, the average temperature is 16°C (61°F), with maximums reaching 27°C (80°F) and minimums dropping as low as 1°C (33°F). It's essential to pack layers and prepare for varying weather conditions during your travels.

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

The chart illustrates December temperature patterns in Lamar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lamar, December typically has an average temperature of 16°C (61°F), with highs reaching up to 27°C (80°F) and lows dropping to around 1°C (33°F).

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

December Precipitation in Lamar

In Lamar in December, the total precipitation amount is 55 mm (2.2 in) spread over 6 days.

December Precipitation Trends in Lamar

The chart displays monthly precipitation patterns in Lamar, 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 Lamar, December typically receives around 55 mm (2.2 inches) of precipitation spread over approximately 6 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 Lamar

In Lamar in December, humidity is 84%. With an average temperature of 16°C (61°F), this humidity feels like a blanket of warmth, making travel slightly sticky but overall comfortable, as long as you stay hydrated and take breaks in the shade.

December Average Humidity in Lamar

This chart illustrates the average monthly humidity levels in Lamar, 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 Lamar is approximately 84%, 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 Lamar

In Lamar in December, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Lamar.

Maximum UV Index Levels in Lamar for December

The chart shows the monthly maximum UV Index (UVI) for Lamar 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 Lamar typically reaches 5, which falls under the moderate exposure category.

Data source: Lamar 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 Lamar Compares to Other Months

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

This table compares monthly weather conditions in Lamar, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	14°C (58°F)	42 mm (1.7 inches)	78%	moderate
February Weather	15°C (60°F)	44 mm (1.8 inches)	81%	very high
March Weather	20°C (68°F)	53 mm (2.1 inches)	76%	very high
April Weather	22°C (73°F)	56 mm (2.2 inches)	79%	extreme
May Weather	26°C (79°F)	128 mm (5.0 inches)	79%	extreme
June Weather	28°C (83°F)	139 mm (5.5 inches)	74%	extreme
July Weather	29°C (84°F)	104 mm (4.1 inches)	71%	extreme
August Weather	29°C (85°F)	98 mm (3.8 inches)	68%	extreme
September Weather	27°C (82°F)	148 mm (5.8 inches)	73%	extreme
October Weather	24°C (75°F)	76 mm (3.0 inches)	75%	very high
November Weather	19°C (66°F)	55 mm (2.2 inches)	78%	high
December Weather	16°C (61°F)	55 mm (2.2 inches)	84%	moderate