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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 (70°F). However, temperatures can vary significantly, with a minimum of 10°C (50°F) and a maximum reaching up to 32°C (90°F). Be prepared for some rain, as the region sees about 146 mm (5.8 in) of precipitation spread over 12 days during the month. Additionally, the average humidity remains high at 81%, adding to the overall tropical feel.

August Temperature in Clear Lake

In August in Clear Lake, the average temperature is 21°C (70°F). Maximums can reach 32°C (90°F), while minimums can dip as low as 10°C (50°F). This makes it an ideal time for exploring and enjoying outdoor activities in Clear Lake.

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 (70°F), with highs reaching up to 32°C (90°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec141531415871737063473121
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 146 mm (5.8 in) spread over 12 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 146 mm (5.8 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec192651849672961461181053145
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 81%. With an average temperature of 21°C (70°F), this humidity feels like a warm, sticky embrace, making outdoor activities slightly uncomfortable and necessitating frequent breaks in the shade or air conditioning for a refreshing escape.

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 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%90%85%84%78%80%81%81%81%84%88%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.
JanFebMarAprMayJunJulAugSepOctNovDec2457910997532
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)19 mm (0.7 inches)87%low
February Weather-10°C (15°F)26 mm (1.0 inches)90%moderate
March Weather0°C (32°F)51 mm (2.0 inches)85%moderate
April Weather5°C (42°F)84 mm (3.3 inches)84%high
May Weather14°C (58°F)96 mm (3.8 inches)78%very high
June Weather21°C (71°F)72 mm (2.8 inches)80%very high
July Weather23°C (74°F)96 mm (3.8 inches)81%very high
August Weather21°C (70°F)146 mm (5.8 inches)81%very high
September Weather17°C (63°F)118 mm (4.6 inches)81%high
October Weather8°C (47°F)105 mm (4.2 inches)84%moderate
November Weather0°C (32°F)30 mm (1.2 inches)88%moderate
December Weather-6°C (22°F)45 mm (1.8 inches)84%low

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