August Weather in Carlsbad, United States

Last updated: June 24, 2025

In August, the average temperature in Carlsbad, United States reaches a warm 29°C (84°F). Expect a comfortable minimum of 15°C (59°F), while highs can soar up to a scorching 41°C (107°F). With an average precipitation of 34 mm (1.3 in) spread over 5 days, paired with an average humidity of 60%, this month promises a mix of warm sunshine and occasional showers. Enjoy the variety that August has to offer!

August Temperature in Carlsbad

In August in Carlsbad, the average temperature is 29°C (84°F), with maximums reaching up to 41°C (107°F) and minimums dropping as low as 15°C (59°F). It’s a perfect time to enjoy outdoor activities while staying hydrated and planning for cooler evenings.

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

The chart illustrates August temperature patterns in Carlsbad, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Carlsbad, August typically has an average temperature of 29°C (84°F), with highs reaching up to 41°C (107°F) and lows dropping to around 15°C (59°F).

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

August Precipitation in Carlsbad

In Carlsbad in August, the precipitation amount is 34 mm (1.3 in) over the course of 5 days.

August Precipitation Trends in Carlsbad

The chart displays monthly precipitation patterns in Carlsbad, 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 Carlsbad, August typically receives around 34 mm (1.3 inches) of precipitation spread over approximately 5 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 Carlsbad

In Carlsbad in August humidity is 60%. With an average temperature of 29°C (84°F), this humidity feels like walking through a warm, enveloping blanket, making outdoor activities slightly draining yet still enjoyable if you stay hydrated and take breaks in the shade.

August Average Humidity in Carlsbad

This chart illustrates the average monthly humidity levels in Carlsbad, 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 Carlsbad is approximately 60%, 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 Carlsbad

In Carlsbad in August, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Carlsbad.

Maximum UV Index Levels in Carlsbad for August

The chart shows the monthly maximum UV Index (UVI) for Carlsbad 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 Carlsbad typically reaches 12, which falls under the extreme exposure category.

Data source: Carlsbad 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 Carlsbad Compares to Other Months

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

This table compares monthly weather conditions in Carlsbad, 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 (47°F)	23 mm (0.9 inches)	74%	moderate
February Weather	10°C (50°F)	22 mm (0.9 inches)	74%	high
March Weather	16°C (61°F)	48 mm (1.9 inches)	68%	very high
April Weather	19°C (67°F)	51 mm (2.0 inches)	70%	extreme
May Weather	24°C (75°F)	101 mm (4.0 inches)	77%	extreme
June Weather	27°C (82°F)	47 mm (1.8 inches)	76%	extreme
July Weather	29°C (85°F)	21 mm (0.8 inches)	66%	extreme
August Weather	29°C (84°F)	34 mm (1.3 inches)	60%	extreme
September Weather	25°C (78°F)	73 mm (2.9 inches)	67%	extreme
October Weather	19°C (67°F)	51 mm (2.0 inches)	72%	very high
November Weather	13°C (56°F)	28 mm (1.1 inches)	83%	high
December Weather	10°C (51°F)	25 mm (1.0 inches)	85%	moderate