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August Weather in Arlington, United States

Last updated: June 24, 2025

In August, the average temperature in Arlington, United States is a pleasant 23°C (73°F). However, temperatures can swing from a cool 9°C (48°F) to a sizzling 34°C (93°F). With an average precipitation of 87 mm (3.4 in) spread over 12 days, you might want to keep an umbrella handy. Additionally, expect a humid atmosphere with an average humidity level of 78%.

August Temperature in Arlington

In August in Arlington, the average temperature is 23°C (73°F), with maximums reaching up to 34°C (93°F) and minimums dropping as low as 9°C (48°F). It's a great time for travelers to enjoy pleasant weather while exploring the rich offerings of Arlington.

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 23°C (73°F), with highs reaching up to 34°C (93°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec293141506272757368574135
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 87 mm (3.4 in) over the course of 12 days.

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 87 mm (3.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec7285951031361251128770918764
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 78%. With an average temperature of 23°C (73°F), this humidity feels like a warm, sticky embrace, making outdoor activities a little challenging but still enjoyable for travelers who appreciate a tropical atmosphere.

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 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%87%88%81%82%81%78%78%82%89%86%
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.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
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 Weather-2°C (29°F)72 mm (2.8 inches)88%moderate
February Weather0°C (32°F)85 mm (3.3 inches)87%moderate
March Weather5°C (41°F)95 mm (3.7 inches)87%high
April Weather10°C (50°F)103 mm (4.1 inches)87%very high
May Weather17°C (63°F)136 mm (5.3 inches)81%very high
June Weather22°C (72°F)125 mm (4.9 inches)82%very high
July Weather24°C (76°F)112 mm (4.4 inches)81%very high
August Weather23°C (73°F)87 mm (3.4 inches)78%very high
September Weather20°C (68°F)70 mm (2.7 inches)78%very high
October Weather14°C (57°F)91 mm (3.6 inches)82%high
November Weather5°C (42°F)87 mm (3.4 inches)89%moderate
December Weather2°C (35°F)64 mm (2.5 inches)86%low

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