August Weather in Crestline, United States

Last updated: June 24, 2025

In Crestline, United States, the average temperature in August reaches a pleasant 26°C (79°F). However, don't be surprised if the mercury dips to a cool 14°C (57°F) or soars to a scorching 39°C (103°F). With an average precipitation of just 11 mm (0.4 in) over 2 days, and a low humidity level of 28%, the weather remains mostly dry, making it an ideal time to explore!

August Temperature in Crestline

In August in Crestline, the average temperature is 26°C (79°F). Maximums can reach 39°C (103°F), and minimums can be as low as 14°C (57°F). This range makes it an ideal time for travelers seeking warm weather while still enjoying cooler, comfortable evenings.

August Weather in Crestline: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Crestline, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Crestline, August typically has an average temperature of 26°C (79°F), with highs reaching up to 39°C (103°F) and lows dropping to around 14°C (57°F).

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

August Precipitation in Crestline

In Crestline in August, the precipitation amount is 11 mm (0.4 in) over the course of 2 days.

August Precipitation Trends in Crestline

The chart displays monthly precipitation patterns in Crestline, 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 Crestline, August typically receives around 11 mm (0.4 inches) of precipitation spread over approximately 2 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 Crestline

In Crestline in August, humidity is 28%. With an average temperature of 26°C (79°F), this humidity feels like a comfortable embrace, making it perfect for leisurely strolls and outdoor adventures.

August Average Humidity in Crestline

This chart illustrates the average monthly humidity levels in Crestline, 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 Crestline is approximately 28%, 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 Crestline

In Crestline in August, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Crestline.

Maximum UV Index Levels in Crestline for August

The chart shows the monthly maximum UV Index (UVI) for Crestline 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 Crestline typically reaches 11, which falls under the extreme exposure category.

Data source: Crestline 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 Crestline Compares to Other Months

Weather in Crestline varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Crestline, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Crestline, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	51 mm (2.0 inches)	76%	moderate
February Weather	9°C (49°F)	56 mm (2.2 inches)	80%	high
March Weather	11°C (52°F)	52 mm (2.1 inches)	69%	very high
April Weather	15°C (60°F)	24 mm (0.9 inches)	57%	extreme
May Weather	17°C (64°F)	13 mm (0.5 inches)	45%	extreme
June Weather	23°C (73°F)	4 mm (0.1 inches)	34%	extreme
July Weather	26°C (79°F)	12 mm (0.5 inches)	29%	extreme
August Weather	26°C (79°F)	11 mm (0.4 inches)	28%	extreme
September Weather	23°C (74°F)	9 mm (0.4 inches)	41%	very high
October Weather	18°C (65°F)	8 mm (0.3 inches)	54%	very high
November Weather	14°C (57°F)	19 mm (0.8 inches)	68%	moderate
December Weather	9°C (49°F)	56 mm (2.2 inches)	75%	moderate