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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 25°C (77°F). Expect a pleasant range, with minimums dipping to 12°C (54°F) and maximums reaching up to 37°C (99°F). Precipitation is moderate, with 121 mm (4.7 in) expected over 9 days, and average humidity at a comfortable 78%. Whether you're basking in the warmth or enjoying the cooler evenings, Saint George has something for everyone!

August Temperature in Saint George

In August in Saint George, the average temperature is 25°C (77°F). Maximums can reach 37°C (99°F) and minimums can be as low as 12°C (54°F). Travelers should prepare for warm days and cooler evenings while enjoying a pleasant climate.

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 25°C (77°F), with highs reaching up to 37°C (99°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec313246546578817772564437
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 121 mm (4.7 in) spread over 9 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 121 mm (4.7 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec32298869187868112169983428
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 78%. With an average temperature of 25°C (77°F), this humidity feels like walking through a warm, damp blanket, making travel feel a bit more exhausting and sticky as you navigate the sights.

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 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%78%70%73%82%82%81%78%71%71%81%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 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
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 Weather-1°C (31°F)32 mm (1.3 inches)76%moderate
February Weather0°C (32°F)29 mm (1.1 inches)77%moderate
March Weather8°C (46°F)88 mm (3.5 inches)70%high
April Weather12°C (54°F)69 mm (2.7 inches)73%very high
May Weather19°C (66°F)187 mm (7.4 inches)82%very high
June Weather26°C (78°F)86 mm (3.4 inches)82%extreme
July Weather27°C (81°F)81 mm (3.2 inches)81%extreme
August Weather25°C (77°F)121 mm (4.7 inches)78%very high
September Weather22°C (73°F)69 mm (2.7 inches)71%very high
October Weather14°C (57°F)98 mm (3.8 inches)71%high
November Weather7°C (44°F)34 mm (1.3 inches)81%moderate
December Weather3°C (37°F)28 mm (1.1 inches)84%moderate

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