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August Weather in Sam Rayburn, United States

Last updated: June 24, 2025

In August, the average temperature in Sam Rayburn, United States is a warm 28°C (83°F). Temperatures can vary, with a minimum of 21°C (69°F) and soaring to a maximum of 39°C (102°F). Expect some precipitation, as 183 mm (7.2 in) typically falls over 16 days. With an average humidity of 71%, it's a great idea to stay hydrated and enjoy the vibrant atmosphere!

August Temperature in Sam Rayburn

In August in Sam Rayburn, the average temperature is 28°C (83°F). Maximums can reach 39°C (102°F) and minimums can be as low as 21°C (69°F). This makes it a great time for travelers to enjoy warm weather activities while being prepared for the occasional heatwave.

August Weather in Sam Rayburn: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Sam Rayburn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sam Rayburn, August typically has an average temperature of 28°C (83°F), with highs reaching up to 39°C (102°F) and lows dropping to around 21°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec525563677681838379705955
Data source: Temperature data for Sam Rayburn 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 Sam Rayburn

In Sam Rayburn in August, the precipitation amount is 183 mm (7.2 in) over a period of 16 days.

August Precipitation Trends in Sam Rayburn

The chart displays monthly precipitation patterns in Sam Rayburn, 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 Sam Rayburn, August typically receives around 183 mm (7.2 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec1071141011331841519818316014468133
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Sam Rayburn

In Sam Rayburn in August, humidity is 71%. With an average temperature of 28°C (83°F), this humidity feels like a warm, enveloping blanket that can make traveling quite uncomfortable if you're not prepared for the stickiness and sweat that accompany such conditions.

August Average Humidity in Sam Rayburn

This chart illustrates the average monthly humidity levels in Sam Rayburn, 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 Sam Rayburn is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%81%79%80%81%76%73%72%72%73%83%88%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Sam Rayburn

In Sam Rayburn 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 Sam Rayburn.

Maximum UV Index Levels in Sam Rayburn for August

The chart shows the monthly maximum UV Index (UVI) for Sam Rayburn 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 Sam Rayburn typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589101112121110864
Data source: Sam Rayburn 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 Sam Rayburn Compares to Other Months

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

This table compares monthly weather conditions in Sam Rayburn, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)107 mm (4.2 inches)81%moderate
February Weather13°C (55°F)114 mm (4.5 inches)81%very high
March Weather17°C (64°F)101 mm (4.0 inches)79%very high
April Weather20°C (68°F)132 mm (5.2 inches)80%very high
May Weather24°C (76°F)184 mm (7.2 inches)81%extreme
June Weather27°C (81°F)150 mm (5.9 inches)76%extreme
July Weather28°C (83°F)98 mm (3.8 inches)73%extreme
August Weather28°C (83°F)183 mm (7.2 inches)71%extreme
September Weather26°C (80°F)160 mm (6.3 inches)72%very high
October Weather21°C (71°F)144 mm (5.7 inches)73%very high
November Weather15°C (59°F)68 mm (2.7 inches)83%high
December Weather13°C (55°F)133 mm (5.3 inches)88%moderate

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