January Weather in Clear Lake, United States

Last updated: June 24, 2025

In Clear Lake, United States, the average temperature in January hovers around 3°C (38°F). Expect chilly conditions, with minimum temperatures dipping to -11°C (13°F) and peaking at a mild 12°C (54°F). Be prepared for frequent rain, as precipitation averages 236 mm (9.3 in) over 16 days. The air is quite humid, with an average humidity level of 87%, making it a cozy season to bundle up and enjoy the atmosphere!

January Temperature in Clear Lake

In January in Clear Lake, the average temperature is 3°C (38°F). Maximums can reach 12°C (54°F), while minimums can drop to as low as -11°C (13°F). Be sure to pack accordingly to stay warm and enjoy your travels!

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

The chart illustrates January temperature patterns in Clear Lake, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Clear Lake, January typically has an average temperature of 3°C (38°F), with highs reaching up to 12°C (54°F) and lows dropping to around -11°C (13°F).

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

January Precipitation in Clear Lake

In Clear Lake in January, the precipitation amount reaches 236 mm (9.3 in) over a period of 16 days.

January Precipitation Trends in Clear Lake

The chart displays monthly precipitation patterns in Clear 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 Clear Lake, January typically receives around 236 mm (9.3 inches) of precipitation spread over approximately 16 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 Clear Lake

In Clear Lake in January humidity is 87%. With an average temperature of 3°C (38°F), this humidity feels like a chilly blanket wrapped around you, making travel quite uncomfortable as the cold dampness seeps into your clothes and lingers in the air, often leaving you shivering and longing for warmer, drier conditions.

January Average Humidity in Clear Lake

This chart illustrates the average monthly humidity levels in Clear 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 Clear Lake is approximately 87%, 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 Clear Lake

In Clear Lake in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Clear Lake, you can visit Hourly UV Index in Clear Lake.

Maximum UV Index Levels in Clear Lake for January

The chart shows the monthly maximum UV Index (UVI) for Clear 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 Clear Lake typically reaches 2, which falls under the low exposure category.

Data source: Clear 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 Clear Lake Compares to Other Months

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

This table compares monthly weather conditions in Clear Lake, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (38°F)	236 mm (9.3 inches)	87%	low
February Weather	2°C (36°F)	244 mm (9.6 inches)	86%	moderate
March Weather	5°C (42°F)	191 mm (7.5 inches)	88%	moderate
April Weather	8°C (47°F)	146 mm (5.8 inches)	86%	high
May Weather	12°C (54°F)	82 mm (3.2 inches)	82%	very high
June Weather	15°C (59°F)	75 mm (3.0 inches)	82%	very high
July Weather	17°C (63°F)	31 mm (1.2 inches)	85%	very high
August Weather	18°C (64°F)	26 mm (1.0 inches)	77%	very high
September Weather	15°C (59°F)	146 mm (5.8 inches)	76%	high
October Weather	9°C (49°F)	229 mm (9.0 inches)	88%	moderate
November Weather	6°C (43°F)	312 mm (12.3 inches)	88%	low
December Weather	3°C (38°F)	271 mm (10.7 inches)	89%	low