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July Weather in Arlington, United States

Last updated: June 24, 2025

In July, the average temperature in Arlington, United States hovers around 17°C (63°F), with a comfortable minimum of 7°C (45°F) and an occasional maximum reaching 34°C (93°F). Expect a bit of rain with a total precipitation of 37 mm (1.5 in) spread over 6 days. The air can feel quite humid, averaging around 85%, making it an ideal time for light clothing and some indoor activities.

July Temperature in Arlington

In July in Arlington, the average temperature is 17°C (63°F). Maximum temperatures can reach 34°C (93°F), while minimums can drop as low as 7°C (45°F). This makes Arlington a great destination for travelers looking for mild weather with the possibility of warm days and cooler nights.

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

The chart illustrates July 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, July typically has an average temperature of 17°C (63°F), with highs reaching up to 34°C (93°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec373541475459636458474136
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.

July Precipitation in Arlington

In Arlington in July, the precipitation amount is 37 mm (1.5 in) over the course of 6 days.

July Precipitation Trends in Arlington

The chart displays monthly precipitation patterns in Arlington, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Arlington, July typically receives around 37 mm (1.5 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec3143252562141131043738175302404365
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Arlington

In Arlington in July humidity is 85%. With an average temperature of 17°C (63°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making outdoor activities a bit stifling and encouraging frequent breaks in shaded areas or air-conditioned spaces for travelers.

July Average Humidity in Arlington

This chart illustrates the average monthly humidity levels in Arlington, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Arlington is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%88%86%82%82%85%77%76%88%88%89%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Arlington

In Arlington in July, 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 July

The chart shows the monthly maximum UV Index (UVI) for Arlington in July, 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 July, the maximum UV index in Arlington typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987531
Data source: Arlington July 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 July 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 July’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 July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)314 mm (12.4 inches)87%low
February Weather2°C (36°F)325 mm (12.8 inches)86%moderate
March Weather5°C (41°F)256 mm (10.1 inches)88%moderate
April Weather8°C (47°F)214 mm (8.4 inches)86%high
May Weather12°C (54°F)113 mm (4.4 inches)82%very high
June Weather15°C (59°F)104 mm (4.1 inches)82%very high
July Weather17°C (63°F)37 mm (1.5 inches)85%very high
August Weather18°C (64°F)38 mm (1.5 inches)77%very high
September Weather14°C (58°F)175 mm (6.9 inches)76%high
October Weather8°C (47°F)302 mm (11.9 inches)88%moderate
November Weather5°C (42°F)404 mm (15.9 inches)88%moderate
December Weather2°C (37°F)365 mm (14.4 inches)89%low

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