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August Weather in Clear Lake, United States

Last updated: June 24, 2025

In Clear Lake, United States, the average temperature in August hovers around 18°C (64°F). Expect a range that dips to a brisk 9°C (48°F) and peaks at a warm 33°C (93°F). With an average precipitation of 26 mm (1.0 in) spread over 4 days, you can anticipate a blend of sun and occasional showers, all while enjoying a comfortable average humidity of 77%.

August Temperature in Clear Lake

In August in Clear Lake, the average temperature is 18°C (64°F), with maximums reaching 33°C (93°F) and minimums dipping as low as 9°C (48°F). This pleasant temperature range makes it an ideal time for travelers looking to enjoy a comfortable climate and explore the sights.

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

The chart illustrates August 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, August typically has an average temperature of 18°C (64°F), with highs reaching up to 33°C (93°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec383641475459636459494338
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.

August Precipitation in Clear Lake

In Clear Lake in August, the precipitation amount is 26 mm (1.0 in) over the course of 4 days.

August Precipitation Trends in Clear Lake

The chart displays monthly precipitation patterns in Clear Lake, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Clear Lake, August typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec23624419114683753126146229313271
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Clear Lake

In Clear Lake in August humidity is 77%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making it feel muggy and potentially uncomfortable for traveling, as sweat clings to your skin and the air thickens around you.

August Average Humidity in Clear Lake

This chart illustrates the average monthly humidity levels in Clear Lake, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Clear Lake is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%88%86%82%82%85%77%76%88%88%89%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Clear Lake

In Clear Lake in August, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Clear Lake.

Maximum UV Index Levels in Clear Lake for August

The chart shows the monthly maximum UV Index (UVI) for Clear Lake in August, 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 August, the maximum UV index in Clear Lake typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987522
Data source: Clear Lake August 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 August 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 August’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 August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)236 mm (9.3 inches)87%low
February Weather2°C (36°F)244 mm (9.6 inches)86%moderate
March Weather5°C (42°F)191 mm (7.5 inches)88%moderate
April Weather8°C (47°F)146 mm (5.8 inches)86%high
May Weather12°C (54°F)82 mm (3.2 inches)82%very high
June Weather15°C (59°F)75 mm (3.0 inches)82%very high
July Weather17°C (63°F)31 mm (1.2 inches)85%very high
August Weather18°C (64°F)26 mm (1.0 inches)77%very high
September Weather15°C (59°F)146 mm (5.8 inches)76%high
October Weather9°C (49°F)229 mm (9.0 inches)88%moderate
November Weather6°C (43°F)312 mm (12.3 inches)88%low
December Weather3°C (38°F)271 mm (10.7 inches)89%low

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