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August Weather in Saint George, United States

Last updated: June 24, 2025

In August, the average temperature in Saint George, United States hovers around 28°C (83°F). You can expect a minimum of 25°C (77°F) and a maximum of 32°C (90°F). Be prepared for 221 mm (8.7 in) of precipitation spread over 25 days, contributing to an average humidity of 74%.

August Temperature in Saint George

In August in Saint George, the average temperature is 28°C (83°F). Maximum temperatures can reach 32°C (90°F), while minimums may drop to 25°C (77°F). This warm climate makes Saint George an ideal destination for travelers seeking sun and pleasant weather during this time.

August Weather in Saint George: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Saint George, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint George, August typically has an average temperature of 28°C (83°F), with highs reaching up to 32°C (90°F) and lows dropping to around 25°C (77°F).
JanFebMarAprMayJunJulAugSepOctNovDec616568727781828281787065
Data source: Temperature data for Saint George 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 Saint George

In Saint George in August, the precipitation amount is 221 mm (8.7 in), occurring over the course of 25 days.

August Precipitation Trends in Saint George

The chart displays monthly precipitation patterns in Saint George, 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 Saint George, August typically receives around 221 mm (8.7 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec43572066103159210221135714771
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Saint George

In Saint George in August, humidity is 74%. With an average temperature of 28°C (83°F), this humidity feels like a heavy blanket enveloping you, making travel feel more tiring as every step is met with a warm, sticky embrace that can drain your energy quickly.

August Average Humidity in Saint George

This chart illustrates the average monthly humidity levels in Saint George, 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 Saint George is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%82%79%78%76%75%74%75%78%80%82%84%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Saint George

In Saint George 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 Saint George.

Maximum UV Index Levels in Saint George for August

The chart shows the monthly maximum UV Index (UVI) for Saint George 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 Saint George typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec689111112121111975
Data source: Saint George 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 Saint George Compares to Other Months

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

This table compares monthly weather conditions in Saint George, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (61°F)43 mm (1.7 inches)82%high
February Weather18°C (65°F)57 mm (2.2 inches)82%very high
March Weather20°C (68°F)20 mm (0.8 inches)79%very high
April Weather22°C (73°F)66 mm (2.6 inches)78%extreme
May Weather25°C (77°F)103 mm (4.0 inches)76%extreme
June Weather27°C (81°F)159 mm (6.3 inches)75%extreme
July Weather28°C (82°F)210 mm (8.3 inches)74%extreme
August Weather28°C (83°F)221 mm (8.7 inches)74%extreme
September Weather27°C (82°F)135 mm (5.3 inches)78%extreme
October Weather26°C (78°F)71 mm (2.8 inches)79%very high
November Weather21°C (70°F)46 mm (1.8 inches)82%high
December Weather18°C (65°F)70 mm (2.8 inches)84%moderate

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