August Weather in La Crescenta-Montrose, United States

Last updated: June 24, 2025

In August, the average temperature in La Crescenta-Montrose, United States is a pleasant 25°C (78°F). However, enjoy the warmth while you can, as temperatures can swing from a cool 15°C (59°F) to a sizzling 40°C (105°F). With only 2 mm (0.1 in) of precipitation over 0 days and an average humidity of 39%, this month is perfect for outdoor adventures!

August Temperature in La Crescenta-Montrose

In August in La Crescenta-Montrose, the average temperature is 25°C (78°F). Maximums can reach 40°C (105°F), and minimums can be as low as 15°C (59°F). It's an ideal time for travelers to enjoy warm weather while also being prepared for cooler evenings.

August Weather in La Crescenta-Montrose: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in La Crescenta-Montrose, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Crescenta-Montrose, August typically has an average temperature of 25°C (78°F), with highs reaching up to 40°C (105°F) and lows dropping to around 15°C (59°F).

Data source: Temperature data for La Crescenta-Montrose generated using information from the Copernicus Climate Change Service.

August Precipitation in La Crescenta-Montrose

In La Crescenta-Montrose in August, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.

August Precipitation Trends in La Crescenta-Montrose

The chart displays monthly precipitation patterns in La Crescenta-Montrose, 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 La Crescenta-Montrose, August typically receives around 2 mm (0.1 inches) of precipitation spread over approximately 0 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 La Crescenta-Montrose

In La Crescenta-Montrose in August, humidity is 39%. With an average temperature of 25°C (78°F), this humidity feels like a pleasant embrace, making it comfortable for traveling while allowing for enjoyable outdoor exploration without feeling overly sticky or oppressive.

August Average Humidity in La Crescenta-Montrose

This chart illustrates the average monthly humidity levels in La Crescenta-Montrose, 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 La Crescenta-Montrose is approximately 39%, 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 La Crescenta-Montrose

In La Crescenta-Montrose 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 La Crescenta-Montrose.

Maximum UV Index Levels in La Crescenta-Montrose for August

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

Data source: La Crescenta-Montrose 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 La Crescenta-Montrose Compares to Other Months

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

This table compares monthly weather conditions in La Crescenta-Montrose, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (53°F)	75 mm (3.0 inches)	78%	moderate
February Weather	12°C (54°F)	65 mm (2.6 inches)	82%	high
March Weather	13°C (56°F)	85 mm (3.4 inches)	75%	very high
April Weather	17°C (62°F)	22 mm (0.9 inches)	68%	very high
May Weather	18°C (64°F)	16 mm (0.6 inches)	57%	extreme
June Weather	22°C (71°F)	1 mm (0.1 inches)	52%	extreme
July Weather	25°C (77°F)	2 mm (0.1 inches)	46%	extreme
August Weather	25°C (78°F)	2 mm (0.1 inches)	39%	extreme
September Weather	23°C (74°F)	4 mm (0.1 inches)	48%	very high
October Weather	20°C (68°F)	9 mm (0.4 inches)	59%	high
November Weather	16°C (61°F)	24 mm (0.9 inches)	72%	moderate
December Weather	12°C (53°F)	77 mm (3.1 inches)	76%	moderate