January Weather in Sour Lake, United States

Last updated: June 24, 2025

In Sour Lake, United States, the average temperature in January hovers around 12°C (54°F), creating a mild climate perfect for exploration. Visitors should be prepared for temperature fluctuations, with minimums dipping to -7°C (19°F) and maximums soaring to 27°C (82°F). Expect 103 mm (4.1 in) of precipitation over approximately 9 days, contributing to an average humidity of 81% that gives the air a refreshing feel.

January Temperature in Sour Lake

In January in Sour Lake, the average temperature is 12°C (54°F), with maximums reaching 27°C (82°F) and minimums dipping as low as -7°C (19°F). It's essential to pack layers to accommodate the varying temperatures during your travels.

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

The chart illustrates January 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, January typically has an average temperature of 12°C (54°F), with highs reaching up to 27°C (82°F) and lows dropping to around -7°C (19°F).

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

January Precipitation in Sour Lake

In Sour Lake in January, the precipitation amount is 103 mm (4.1 in) distributed over 9 days.

January Precipitation Trends in Sour Lake

The chart displays monthly precipitation patterns in Sour Lake, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Sour Lake, January typically receives around 103 mm (4.1 inches) of precipitation spread over approximately 9 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Sour Lake

In Sour Lake in January humidity is 81%. With an average temperature of 12°C (54°F), this humidity feels like a damp blanket enveloping you, making travel sluggish and uncomfortable as you battle the stickiness while trying to enjoy your surroundings.

January Average Humidity in Sour Lake

This chart illustrates the average monthly humidity levels in Sour Lake, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Sour Lake is approximately 81%, offering insight into how humid the weather typically is during this month.

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

January UV Index in Sour Lake

In Sour Lake in January, 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 January

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

Data source: Sour Lake January 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 January 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 January’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 January’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