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August Weather in Arlington, United States

Last updated: June 24, 2025

In Arlington, United States, the average temperature in August hovers around 24°C (76°F). Expect a comfortable range, with minimums dipping to 13°C (56°F) and maximums soaring to 34°C (94°F). Be prepared for some rain, as 115 mm (4.5 in) of precipitation typically falls over 12 days, accompanied by an average humidity of 66%.

August Temperature in Arlington

In August in Arlington, the average temperature is 24°C (76°F). Maximums can reach 34°C (94°F), while minimums can dip as low as 13°C (56°F). This mild weather makes Arlington an ideal destination for travelers seeking comfortable temperatures.

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 24°C (76°F), with highs reaching up to 34°C (94°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec404550586773787671624843
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 total precipitation amount is 115 mm (4.5 in) over a span 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 115 mm (4.5 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec8411687133133908111513413685109
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 66%. With an average temperature of 24°C (76°F), this humidity feels like a warm, tropical embrace, making travel both invigorating and slightly exhausting, as you immerse yourself in the vibrant atmosphere while constantly seeking shade and refreshment.

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 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%86%84%83%83%79%66%68%78%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 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 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111110109853
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 Weather4°C (40°F)84 mm (3.3 inches)87%moderate
February Weather7°C (45°F)116 mm (4.6 inches)87%high
March Weather10°C (50°F)87 mm (3.4 inches)86%very high
April Weather15°C (59°F)133 mm (5.2 inches)84%very high
May Weather19°C (67°F)133 mm (5.2 inches)83%extreme
June Weather23°C (74°F)90 mm (3.6 inches)83%extreme
July Weather26°C (78°F)81 mm (3.2 inches)79%very high
August Weather24°C (76°F)115 mm (4.5 inches)66%very high
September Weather22°C (72°F)134 mm (5.3 inches)68%very high
October Weather17°C (62°F)136 mm (5.3 inches)78%very high
November Weather9°C (48°F)85 mm (3.3 inches)89%moderate
December Weather6°C (44°F)109 mm (4.3 inches)86%moderate

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