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August Weather in Denison, United States

Last updated: June 24, 2025

In August, the average temperature in Denison, United States is a warm 28°C (83°F), with the minimum dropping to 19°C (67°F) and the maximum rising to a sizzling 39°C (102°F). During this month, expect 102 mm (4.0 in) of precipitation spread over about 8 days, contributing to an average humidity level of 66%. Enjoy the warmth while staying prepared for the occasional rain!

August Temperature in Denison

In August in Denison, the average temperature is 28°C (83°F). Maximum temperatures can reach 39°C (102°F), while the minimum can dip to as low as 19°C (67°F). With such warm weather, travelers can enjoy a variety of outdoor activities and vibrant local culture.

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

The chart illustrates August temperature patterns in Denison, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Denison, 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 19°C (67°F).
JanFebMarAprMayJunJulAugSepOctNovDec454758637380848378665450
Data source: Temperature data for Denison 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 Denison

In Denison in August, the precipitation amount is 102 mm (4.0 in) over the course of 8 days.

August Precipitation Trends in Denison

The chart displays monthly precipitation patterns in Denison, 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 Denison, August typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec5995129130158109531021041655869
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Denison

In Denison in August humidity is 66%. With an average temperature of 28°C (83°F), this humidity feels like walking through a warm blanket, making travel quite uncomfortable and sticky, requiring frequent breaks to hydrate and seek shade.

August Average Humidity in Denison

This chart illustrates the average monthly humidity levels in Denison, 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 Denison is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%78%78%81%78%73%66%65%72%82%87%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Denison

In Denison 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 Denison.

Maximum UV Index Levels in Denison for August

The chart shows the monthly maximum UV Index (UVI) for Denison 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 Denison typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110864
Data source: Denison 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 Denison Compares to Other Months

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

This table compares monthly weather conditions in Denison, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)59 mm (2.3 inches)80%moderate
February Weather8°C (47°F)95 mm (3.7 inches)79%high
March Weather14°C (58°F)129 mm (5.1 inches)78%very high
April Weather17°C (63°F)130 mm (5.1 inches)78%very high
May Weather23°C (73°F)158 mm (6.2 inches)81%extreme
June Weather27°C (81°F)109 mm (4.3 inches)78%extreme
July Weather29°C (84°F)53 mm (2.1 inches)73%extreme
August Weather28°C (83°F)102 mm (4.0 inches)66%extreme
September Weather25°C (78°F)104 mm (4.1 inches)65%very high
October Weather19°C (66°F)165 mm (6.5 inches)72%very high
November Weather12°C (55°F)58 mm (2.3 inches)82%high
December Weather10°C (50°F)69 mm (2.7 inches)87%moderate

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