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August Weather in Santa Barbara, Guatemala

Last updated: August 23, 2025

In Santa Barbara, Guatemala, the average temperature in August hovers around 17°C (64°F). Expect a minimum of 9°C (49°F) and a maximum of 27°C (82°F). You might also want to prepare for some wet weather, as precipitation averages 214 mm (8.4 in) over a span of 28 days, contributing to a high humidity level of 82%.

August Temperature in Santa Barbara

In August in Santa Barbara, the average temperature is 17°C (64°F). Maximum temperatures can reach 27°C (82°F), while minimums can dip as low as 9°C (49°F). This pleasant weather makes Santa Barbara a great destination for outdoor activities and exploration.

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 17°C (64°F), with highs reaching up to 27°C (82°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec606264656564636363636160
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 is 214 mm (8.4 in) over a span of 28 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 214 mm (8.4 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec181126682293331232142592496722
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 17°C (64°F), this humidity feels like a damp embrace that can make traveling quite uncomfortable, as the sticky air clings to your skin and leaves you yearning for a cool breeze.

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 an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. 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 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121416161515161514141110
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 Weather15°C (60°F)18 mm (0.7 inches)76%extreme
February Weather17°C (62°F)11 mm (0.4 inches)68%extreme
March Weather18°C (64°F)26 mm (1.0 inches)59%extreme
April Weather18°C (65°F)68 mm (2.7 inches)57%extreme
May Weather18°C (65°F)229 mm (9.0 inches)65%extreme
June Weather18°C (64°F)333 mm (13.1 inches)66%extreme
July Weather17°C (64°F)123 mm (4.8 inches)75%extreme
August Weather17°C (64°F)214 mm (8.4 inches)82%extreme
September Weather17°C (63°F)259 mm (10.2 inches)82%extreme
October Weather17°C (63°F)249 mm (9.8 inches)83%extreme
November Weather16°C (62°F)67 mm (2.6 inches)80%extreme
December Weather16°C (60°F)22 mm (0.9 inches)76%very high

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