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August Weather in Saint Elmo, United States

Last updated: June 24, 2025

In August, the average temperature in Saint Elmo, United States hovers around 24°C (76°F). Expect a range from a cool 12°C (54°F) to a warm 34°C (94°F). With an average humidity of 82%, the air can feel quite muggy during this time. Additionally, prepare for about 105 mm (4.2 in) of rainfall spread over 10 days, adding a refreshing twist to the warm days.

August Temperature in Saint Elmo

In August, in Saint Elmo, the average temperature is 24°C (76°F), with maximums reaching 34°C (94°F) and minimums dropping as low as 12°C (54°F). This makes Saint Elmo an ideal destination for travelers seeking warm weather and pleasant conditions.

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

The chart illustrates August temperature patterns in Saint Elmo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Elmo, August typically has an average temperature of 24°C (76°F), with highs reaching up to 34°C (94°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec323546556776797672594338
Data source: Temperature data for Saint Elmo 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 Elmo

In Saint Elmo in August, the precipitation amount is 105 mm (4.2 in) over a span of 10 days.

August Precipitation Trends in Saint Elmo

The chart displays monthly precipitation patterns in Saint Elmo, 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 Elmo, August typically receives around 105 mm (4.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec828613412615310799105651168875
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Saint Elmo

In Saint Elmo in August, humidity is 82%. With an average temperature of 24°C (76°F), this humidity feels like wearing a warm, damp blanket, making travel uncomfortable and sticky as you explore.

August Average Humidity in Saint Elmo

This chart illustrates the average monthly humidity levels in Saint Elmo, 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 Elmo is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%84%83%80%83%82%83%79%79%88%87%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Saint Elmo

In Saint Elmo in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Saint Elmo.

Maximum UV Index Levels in Saint Elmo for August

The chart shows the monthly maximum UV Index (UVI) for Saint Elmo 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 Elmo typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357911111098643
Data source: Saint Elmo 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 Elmo Compares to Other Months

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

This table compares monthly weather conditions in Saint Elmo, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)82 mm (3.2 inches)84%moderate
February Weather2°C (35°F)86 mm (3.4 inches)82%moderate
March Weather8°C (46°F)134 mm (5.3 inches)84%high
April Weather13°C (55°F)126 mm (5.0 inches)83%very high
May Weather20°C (67°F)153 mm (6.0 inches)80%extreme
June Weather25°C (77°F)107 mm (4.2 inches)83%extreme
July Weather26°C (79°F)99 mm (3.9 inches)82%very high
August Weather24°C (76°F)105 mm (4.2 inches)82%very high
September Weather22°C (72°F)65 mm (2.6 inches)79%very high
October Weather15°C (59°F)116 mm (4.5 inches)79%high
November Weather6°C (43°F)88 mm (3.5 inches)88%moderate
December Weather3°C (38°F)75 mm (2.9 inches)87%moderate

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