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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 comfortable 22°C (71°F), with a minimum dipping to 8°C (47°F) and a maximum rising to 33°C (91°F). Expect 108 mm (4.3 in) of precipitation over 11 days, contributing to an average humidity of 76%. Plan your activities accordingly to fully enjoy all that this vibrant destination has to offer!

August Temperature in Arlington

In August in Arlington, the average temperature is 22°C (71°F). The maximum can reach 33°C (91°F), while the minimum can drop as low as 8°C (47°F). This pleasant climate makes Arlington an ideal destination for travelers looking to enjoy both warm days and cooler evenings.

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 22°C (71°F), with highs reaching up to 33°C (91°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec212235455970747164513628
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 108 mm (4.3 in) over the course of 11 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 108 mm (4.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec49545894131116921081131184444
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 76%. With an average temperature of 22°C (71°F), this humidity feels like traveling through a warm, dense mist that clings to your skin, making every step feel heavier and the air seem thicker, which can be quite draining for outdoor activities.

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 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
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.
JanFebMarAprMayJunJulAugSepOctNovDec34589101098532
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-6°C (21°F)49 mm (1.9 inches)85%moderate
February Weather-6°C (22°F)54 mm (2.1 inches)85%moderate
March Weather2°C (36°F)57 mm (2.3 inches)85%moderate
April Weather7°C (46°F)94 mm (3.7 inches)85%very high
May Weather15°C (59°F)131 mm (5.2 inches)78%very high
June Weather21°C (70°F)116 mm (4.6 inches)80%very high
July Weather23°C (74°F)92 mm (3.6 inches)78%very high
August Weather22°C (71°F)108 mm (4.3 inches)76%very high
September Weather18°C (65°F)113 mm (4.4 inches)79%very high
October Weather10°C (51°F)118 mm (4.6 inches)83%moderate
November Weather2°C (36°F)43 mm (1.7 inches)88%moderate
December Weather-2°C (29°F)44 mm (1.7 inches)81%low

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