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August Weather in Santa Barbara, Guatemala

Last updated: August 23, 2025

In August, the average temperature in Santa Barbara, Guatemala is a pleasant 24°C (75°F). Expect a minimum of 19°C (66°F) and a maximum of 31°C (88°F), making it ideal for outdoor activities. However, be prepared for an average precipitation of 414 mm (16.3 in) over the month, coupled with an average humidity of 82%. Don’t forget your umbrella!

August Temperature in Santa Barbara

In August in Santa Barbara, the average temperature is 24°C (75°F). Maximum temperatures can reach 31°C (88°F), while the minimum can drop to as low as 19°C (66°F). This makes Santa Barbara an ideal destination for travelers seeking warm and pleasant weather.

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

The chart illustrates August temperature patterns in Santa Barbara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Barbara, August typically has an average temperature of 24°C (75°F), with highs reaching up to 31°C (88°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec737475767575757574747473
Data source: Temperature data for Santa Barbara 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 Barbara

In Santa Barbara in August, the total precipitation amount reaches 414 mm (16.3 in) over the course of 30 days.

August Precipitation Trends in Santa Barbara

The chart displays monthly precipitation patterns in Santa Barbara, 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 Barbara, August typically receives around 414 mm (16.3 inches) of precipitation spread over approximately 30 days.
JanFebMarAprMayJunJulAugSepOctNovDec31205114748045635541448452319838
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Santa Barbara

In Santa Barbara in August, humidity is 82%. With an average temperature of 24°C (75°F), this humidity feels like a warm embrace, making travel feel sticky and heavy on the skin, often requiring more frequent breaks and hydration.

August Average Humidity in Santa Barbara

This chart illustrates the average monthly humidity levels in Santa Barbara, 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 Barbara is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%68%59%57%65%66%75%82%82%83%80%76%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Santa Barbara

In Santa Barbara 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 Barbara.

Maximum UV Index Levels in Santa Barbara for August

The chart shows the monthly maximum UV Index (UVI) for Santa Barbara 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 Barbara typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11121414141413131312109
Data source: Santa Barbara 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 Barbara Compares to Other Months

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

This table compares monthly weather conditions in Santa Barbara, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (73°F)31 mm (1.2 inches)76%extreme
February Weather23°C (75°F)20 mm (0.8 inches)68%extreme
March Weather24°C (76°F)51 mm (2.0 inches)59%extreme
April Weather24°C (76°F)147 mm (5.8 inches)57%extreme
May Weather24°C (76°F)480 mm (18.9 inches)65%extreme
June Weather24°C (75°F)456 mm (18.0 inches)66%extreme
July Weather24°C (75°F)355 mm (14.0 inches)75%extreme
August Weather24°C (75°F)414 mm (16.3 inches)82%extreme
September Weather23°C (74°F)484 mm (19.1 inches)82%extreme
October Weather23°C (74°F)523 mm (20.6 inches)83%extreme
November Weather23°C (74°F)198 mm (7.8 inches)80%very high
December Weather23°C (73°F)38 mm (1.5 inches)76%very high

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