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August Weather in Arlington, United States

Last updated: June 24, 2025

The average temperature in Arlington, United States during August is a pleasant 25°C (77°F). However, temperatures can fluctuate, with a minimum of 8°C (47°F) and soaring to a maximum of 41°C (106°F). Expect 4 mm (0.2 in) of precipitation over the course of just 1 day, and enjoy an average humidity level of 62%.

August Temperature in Arlington

In August in Arlington, the average temperature is 25°C (77°F). The maximum can reach 41°C (106°F), and the minimum can be as low as 8°C (47°F). Travelers should prepare for a wide range of temperatures while enjoying the warm days and cooler nights.

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

The chart illustrates August temperature patterns in Arlington, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arlington, August typically has an average temperature of 25°C (77°F), with highs reaching up to 41°C (106°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec363744526169777666524336
Data source: Temperature data for Arlington 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 Arlington

In Arlington in August, the precipitation amount is 4 mm (0.2 in) during 1 day.

August Precipitation Trends in Arlington

The chart displays monthly precipitation patterns in Arlington, 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 Arlington, August typically receives around 4 mm (0.2 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec485931301881512284051
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Arlington

In Arlington in August humidity is 62%. With an average temperature of 25°C (77°F), this humidity feels like a warm embrace, making travel enjoyable yet slightly sticky, so staying hydrated and taking breaks in the shade is essential for a comfortable experience.

August Average Humidity in Arlington

This chart illustrates the average monthly humidity levels in Arlington, 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 Arlington is approximately 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%87%86%85%80%82%79%63%59%78%88%88%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Arlington

In Arlington 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 Arlington.

Maximum UV Index Levels in Arlington for August

The chart shows the monthly maximum UV Index (UVI) for Arlington 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 Arlington typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24579101098532
Data source: Arlington 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 Arlington Compares to Other Months

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

This table compares monthly weather conditions in Arlington, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)48 mm (1.9 inches)86%low
February Weather3°C (37°F)58 mm (2.3 inches)87%moderate
March Weather7°C (45°F)31 mm (1.2 inches)86%moderate
April Weather11°C (52°F)30 mm (1.2 inches)85%high
May Weather16°C (62°F)18 mm (0.7 inches)80%very high
June Weather21°C (69°F)8 mm (0.3 inches)82%very high
July Weather25°C (77°F)1 mm (0.0 inches)78%very high
August Weather25°C (77°F)4 mm (0.2 inches)62%very high
September Weather19°C (67°F)12 mm (0.5 inches)59%very high
October Weather11°C (53°F)28 mm (1.1 inches)78%moderate
November Weather6°C (43°F)40 mm (1.6 inches)88%moderate
December Weather2°C (36°F)51 mm (2.0 inches)88%low

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