August Weather in Clear Lake, United States

Last updated: June 24, 2025

In August, the average temperature in Clear Lake, United States is a pleasant 21°C (71°F). Expect a range from a cool 9°C (49°F) to a warm 36°C (97°F). Be prepared for 121 mm (4.8 in) of precipitation spread over 10 days, with an average humidity of 77%.

August Temperature in Clear Lake

In August, in Clear Lake, the average temperature is 21°C (71°F). Maximums can reach 36°C (97°F), while minimums can drop as low as 9°C (49°F). This makes Clear Lake a great destination for travelers seeking warm days and cooler nights.

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 (71°F), with highs reaching up to 36°C (97°F) and lows dropping to around 9°C (49°F).

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

August Precipitation in Clear Lake

In Clear Lake in August, the precipitation amount is 121 mm (4.8 in) spread over a period of 10 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 121 mm (4.8 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

August Humidity in Clear Lake

In Clear Lake in August, humidity is 77%. With an average temperature of 21°C (71°F), this humidity feels like a warm embrace that envelops you, making it both refreshing and slightly heavy, which can be a bit tiring for traveling.

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.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (19°F)	36 mm (1.4 inches)	82%	moderate
February Weather	-8°C (18°F)	47 mm (1.9 inches)	84%	moderate
March Weather	1°C (35°F)	72 mm (2.9 inches)	80%	moderate
April Weather	7°C (45°F)	83 mm (3.3 inches)	81%	very high
May Weather	15°C (60°F)	159 mm (6.2 inches)	74%	very high
June Weather	22°C (72°F)	133 mm (5.2 inches)	80%	extreme
July Weather	23°C (74°F)	102 mm (4.0 inches)	80%	very high
August Weather	21°C (71°F)	121 mm (4.8 inches)	77%	very high
September Weather	18°C (65°F)	105 mm (4.1 inches)	75%	very high
October Weather	10°C (49°F)	110 mm (4.3 inches)	80%	moderate
November Weather	2°C (35°F)	47 mm (1.9 inches)	87%	moderate
December Weather	-3°C (27°F)	36 mm (1.4 inches)	83%	moderate