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August Weather in Clear Lake, United States

Last updated: June 24, 2025

In August, the average temperature in Clear Lake, United States hovers around 21°C (69°F), offering a pleasant backdrop for your adventures. Expect a range from a cool 8°C (47°F) to a warm 33°C (92°F), ensuring diverse weather experiences. However, be prepared for 124 mm (4.9 in) of precipitation spread over 11 days, along with an average humidity of 83%, adding a tropical touch to your visit.

August Temperature in Clear Lake

In August in Clear Lake, the average temperature is 21°C (69°F). The maximum can reach 33°C (92°F), while the minimum can drop to as low as 8°C (47°F). This makes it an ideal time for travelers to enjoy a variety of outdoor activities, from warm sunny days to cooler evenings.

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 21°C (69°F), with highs reaching up to 33°C (92°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec151431405670736962453223
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 124 mm (4.9 in) over the course of 11 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 124 mm (4.9 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec2319557298869612491802834
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 83%. With an average temperature of 21°C (69°F), this humidity feels like a heavy blanket enveloping you, making travel feel sticky and challenging as you navigate the damp air.

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 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%89%81%82%76%81%82%83%82%82%87%84%
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 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check 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 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3568910998532
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 Weather-10°C (15°F)23 mm (0.9 inches)85%moderate
February Weather-10°C (15°F)19 mm (0.7 inches)89%moderate
March Weather-1°C (31°F)55 mm (2.2 inches)81%high
April Weather5°C (41°F)72 mm (2.8 inches)82%very high
May Weather13°C (56°F)98 mm (3.9 inches)76%very high
June Weather21°C (70°F)86 mm (3.4 inches)81%very high
July Weather23°C (73°F)96 mm (3.8 inches)82%very high
August Weather21°C (69°F)124 mm (4.9 inches)83%very high
September Weather17°C (63°F)91 mm (3.6 inches)82%very high
October Weather7°C (46°F)80 mm (3.1 inches)82%moderate
November Weather0°C (33°F)28 mm (1.1 inches)87%moderate
December Weather-5°C (24°F)34 mm (1.3 inches)84%low

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