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January Weather in Clear Lake, United States

Last updated: June 24, 2025

In Clear Lake, United States, the average temperature in January hovers around -9°C (16°F), with a minimum dipping as low as -34°C (-28°F) and a maximum reaching 7°C (45°F). Expect 28 mm (1.1 in) of precipitation over approximately 6 days, accompanied by a notably high average humidity of 88%.

January Temperature in Clear Lake

In January in Clear Lake, the average temperature is -9°C (16°F), with maximums reaching 7°C (45°F) and minimums plummeting as low as -34°C (-28°F). Travelers should be prepared for extreme winter conditions and dress warmly to enjoy their visit.

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 -9°C (16°F), with highs reaching up to 7°C (45°F) and lows dropping to around -34°C (-28°F).
JanFebMarAprMayJunJulAugSepOctNovDec151632425769726962473222
Data source: Temperature data for Clear Lake generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Clear Lake

In Clear Lake in January, the precipitation amount is 28 mm (1.1 in) over the course of 6 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 28 mm (1.1 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec283956901351101051251021014160
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Clear Lake

In Clear Lake in January humidity is 88%. With an average temperature of -9°C (16°F), this humidity feels like a biting cold that seeps into your bones, making travel outside feel much more daunting and uncomfortable, as each breath turns into a cloud of mist in the frigid air.

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 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%89%86%85%79%80%80%78%80%84%89%85%
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.
JanFebMarAprMayJunJulAugSepOctNovDec2457910997532
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.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)28 mm (1.1 inches)88%low
February Weather-9°C (16°F)39 mm (1.5 inches)89%moderate
March Weather0°C (32°F)56 mm (2.2 inches)86%moderate
April Weather6°C (42°F)90 mm (3.5 inches)85%high
May Weather14°C (58°F)135 mm (5.3 inches)79%very high
June Weather21°C (69°F)110 mm (4.3 inches)80%very high
July Weather22°C (73°F)105 mm (4.1 inches)80%very high
August Weather20°C (69°F)125 mm (4.9 inches)78%very high
September Weather17°C (63°F)102 mm (4.0 inches)80%high
October Weather8°C (47°F)101 mm (4.0 inches)84%moderate
November Weather0°C (32°F)41 mm (1.6 inches)89%moderate
December Weather-6°C (22°F)60 mm (2.3 inches)85%low

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