August Weather in Grayson, United States

Last updated: June 24, 2025

The average temperature in Grayson, United States during August hovers around 26°C (80°F). It can dip to a cool 14°C (58°F) or spike to a sweltering 43°C (109°F). There’s little chance of rain, with 0 mm (0.0 in) of precipitation over the month, and the average humidity remains comfortably balanced at 54%.

August Temperature in Grayson

In August in Grayson, the average temperature is 26°C (80°F). Maximum temperatures can reach 43°C (109°F), while minimums can drop to as low as 14°C (58°F). This climate makes it an ideal destination for travelers seeking warm weather and sunny days, but it's essential to pack accordingly for the wide range of temperatures.

August Weather in Grayson: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Grayson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grayson, August typically has an average temperature of 26°C (80°F), with highs reaching up to 43°C (109°F) and lows dropping to around 14°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec505255616876818075665649
Data source: Temperature data for Grayson 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 Grayson

In Grayson in August, the precipitation amount is 0 mm (0.0 in) during 0 days.

August Precipitation Trends in Grayson

The chart displays monthly precipitation patterns in Grayson, 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 Grayson, August typically receives around 0 mm (0.0 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec93728031182002162978
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Grayson

In Grayson in August, humidity is 54%. With an average temperature of 26°C (80°F), this humidity feels like a warm blanket wrapping around you, making traveling enjoyable but slightly sticky; it's best to stay hydrated and take frequent breaks to appreciate the surroundings.

August Average Humidity in Grayson

This chart illustrates the average monthly humidity levels in Grayson, 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 Grayson is approximately 54%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%84%82%78%71%64%59%54%55%62%78%80%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Grayson

In Grayson 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 Grayson.

Maximum UV Index Levels in Grayson for August

The chart shows the monthly maximum UV Index (UVI) for Grayson 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 Grayson typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3589101111109743
Data source: Grayson 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 Grayson Compares to Other Months

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

This table compares monthly weather conditions in Grayson, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)93 mm (3.7 inches)82%moderate
February Weather11°C (52°F)72 mm (2.8 inches)84%moderate
March Weather13°C (55°F)80 mm (3.1 inches)82%very high
April Weather16°C (61°F)31 mm (1.2 inches)78%very high
May Weather20°C (68°F)18 mm (0.7 inches)71%very high
June Weather25°C (76°F)2 mm (0.1 inches)64%extreme
July Weather27°C (81°F)0 mm (0.0 inches)58%extreme
August Weather26°C (80°F)0 mm (0.0 inches)54%very high
September Weather24°C (75°F)1 mm (0.1 inches)55%very high
October Weather19°C (66°F)16 mm (0.6 inches)62%high
November Weather13°C (56°F)29 mm (1.1 inches)78%moderate
December Weather10°C (50°F)78 mm (3.1 inches)80%moderate

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