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August Weather in Santa Monica, Mexico

Last updated: August 27, 2025

In August, the average temperature in Santa Monica, Mexico hovers around 25°C (78°F). Expect a comfortable range where the minimum dips to 18°C (64°F) and the maximum can reach up to 35°C (95°F). However, be prepared for some rain, as the region sees about 207 mm (8.1 in) of precipitation spread over 23 days. With an average humidity of 70%, it’s wise to embrace the warm, tropical feel of the season!

August Temperature in Santa Monica

In August in Santa Monica, the average temperature is 25°C (78°F), with maximums reaching 35°C (95°F) and minimums dropping as low as 18°C (64°F). This pleasant climate makes it an ideal destination for travelers seeking comfortable temperatures for outdoor activities.

August Weather in Santa Monica: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Santa Monica, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Monica, August typically has an average temperature of 25°C (78°F), with highs reaching up to 35°C (95°F) and lows dropping to around 18°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec737680838479787876777573
Data source: Temperature data for Santa Monica 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 Santa Monica

In Santa Monica in August, the total precipitation amount is 207 mm (8.1 in) over the course of 23 days.

August Precipitation Trends in Santa Monica

The chart displays monthly precipitation patterns in Santa Monica, 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 Santa Monica, August typically receives around 207 mm (8.1 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec223751200157207270108122
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Santa Monica

In Santa Monica in August humidity is 70%. With an average temperature of 25°C (78°F), this humidity feels like a warm embrace, making traveling feel both sultry and invigorating as the air wraps around you, encouraging slower-paced exploration amidst the vibrant surroundings.

August Average Humidity in Santa Monica

This chart illustrates the average monthly humidity levels in Santa Monica, 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 Santa Monica is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%78%75%71%77%76%68%70%82%91%89%88%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Santa Monica

In Santa Monica in August, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Santa Monica.

Maximum UV Index Levels in Santa Monica for August

The chart shows the monthly maximum UV Index (UVI) for Santa Monica 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 Santa Monica typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131413141413131298
Data source: Santa Monica 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 Santa Monica Compares to Other Months

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

This table compares monthly weather conditions in Santa Monica, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (73°F)1 mm (0.1 inches)84%very high
February Weather25°C (77°F)2 mm (0.1 inches)78%extreme
March Weather27°C (81°F)3 mm (0.1 inches)75%extreme
April Weather28°C (84°F)7 mm (0.3 inches)70%extreme
May Weather29°C (84°F)51 mm (2.0 inches)77%extreme
June Weather26°C (79°F)199 mm (7.9 inches)76%extreme
July Weather26°C (78°F)157 mm (6.2 inches)68%extreme
August Weather25°C (78°F)207 mm (8.1 inches)70%extreme
September Weather25°C (77°F)270 mm (10.6 inches)82%extreme
October Weather25°C (77°F)108 mm (4.2 inches)91%extreme
November Weather24°C (75°F)12 mm (0.5 inches)89%very high
December Weather23°C (73°F)1 mm (0.1 inches)88%very high

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