December Weather in Sour Lake, United States

Last updated: June 24, 2025

In December, the average temperature in Sour Lake, United States hovers around 14°C (57°F), with a minimum dip of -3°C (27°F) and a maximum climb to 28°C (82°F). Expect a fair amount of rain, with 126 mm (5.0 in) of precipitation spread over 11 days. Plus, humidity levels are notably high, averaging at 88%. Be prepared for a mix of conditions!

December Temperature in Sour Lake

In December in Sour Lake, the average temperature is 14°C (57°F). Maximum temperatures can reach 28°C (82°F), while the minimum can drop as low as -3°C (27°F). Overall, travelers should prepare for a wide range of temperatures during this time.

December Weather in Sour Lake: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Sour Lake, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sour Lake, December typically has an average temperature of 14°C (57°F), with highs reaching up to 28°C (82°F) and lows dropping to around -3°C (27°F).

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

December Precipitation in Sour Lake

In Sour Lake in December, the total precipitation amount is 126 mm (5.0 in) spread over 11 days.

December Precipitation Trends in Sour Lake

The chart displays monthly precipitation patterns in Sour Lake, 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 Sour Lake, December typically receives around 126 mm (5.0 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 Sour Lake

In Sour Lake in December humidity is 88%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making every step feel heavier and giving a sense of stickiness that can drain your energy quickly while exploring.

December Average Humidity in Sour Lake

This chart illustrates the average monthly humidity levels in Sour Lake, 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 Sour Lake 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 Sour Lake

In Sour Lake 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 Sour Lake.

Maximum UV Index Levels in Sour Lake for December

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

Data source: Sour Lake 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 Sour Lake Compares to Other Months

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

This table compares monthly weather conditions in Sour Lake, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (54°F)	103 mm (4.1 inches)	81%	moderate
February Weather	14°C (57°F)	97 mm (3.8 inches)	81%	very high
March Weather	18°C (65°F)	94 mm (3.7 inches)	79%	very high
April Weather	20°C (69°F)	117 mm (4.6 inches)	80%	very high
May Weather	24°C (76°F)	198 mm (7.8 inches)	81%	extreme
June Weather	27°C (81°F)	179 mm (7.0 inches)	76%	extreme
July Weather	28°C (83°F)	144 mm (5.7 inches)	73%	extreme
August Weather	28°C (83°F)	239 mm (9.4 inches)	71%	extreme
September Weather	26°C (79°F)	216 mm (8.5 inches)	72%	very high
October Weather	22°C (72°F)	145 mm (5.7 inches)	73%	very high
November Weather	16°C (61°F)	72 mm (2.8 inches)	83%	high
December Weather	14°C (57°F)	126 mm (5.0 inches)	88%	moderate