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July Weather in Allen, United States

Last updated: June 24, 2025

In July, the average temperature in Allen, United States is a warm 28°C (83°F). Expect a minimum of 18°C (65°F) and the possibility of soaring highs up to 43°C (110°F). During this month, the area sees an average precipitation of 68 mm (2.7 in), typically spread over 7 days, with an average humidity level of 78%. Stay cool and hydrated!

July Temperature in Allen

In July in Allen, the average temperature is 28°C (83°F). Maximum temperatures can reach 43°C (110°F), while minimum temperatures can drop as low as 18°C (65°F). Travelers should be prepared for warm days and cooler nights when visiting during this time.

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

The chart illustrates July temperature patterns in Allen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Allen, July typically has an average temperature of 28°C (83°F), with highs reaching up to 43°C (110°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec414355617079838176635246
Data source: Temperature data for Allen 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 Allen

In Allen in July, the precipitation amount is 68 mm (2.7 in) over the course of 7 days.

July Precipitation Trends in Allen

The chart displays monthly precipitation patterns in Allen, 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 Allen, July typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec6881891361717769701061175157
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Allen

In Allen in July, humidity is 78%. With an average temperature of 28°C (83°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities perspire more quickly and requiring frequent breaks in the shade for comfort.

July Average Humidity in Allen

This chart illustrates the average monthly humidity levels in Allen, 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 Allen is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%78%75%75%83%82%78%68%64%71%82%87%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Allen

In Allen in July, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Allen.

Maximum UV Index Levels in Allen for July

The chart shows the monthly maximum UV Index (UVI) for Allen 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 Allen typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46710101111119754
Data source: Allen 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 Allen Compares to Other Months

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

This table compares monthly weather conditions in Allen, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)68 mm (2.7 inches)79%moderate
February Weather6°C (44°F)81 mm (3.2 inches)78%high
March Weather13°C (56°F)89 mm (3.5 inches)75%high
April Weather16°C (61°F)136 mm (5.4 inches)75%very high
May Weather21°C (71°F)171 mm (6.7 inches)83%very high
June Weather26°C (79°F)77 mm (3.0 inches)81%extreme
July Weather28°C (83°F)68 mm (2.7 inches)78%extreme
August Weather27°C (82°F)70 mm (2.8 inches)68%extreme
September Weather25°C (77°F)106 mm (4.2 inches)64%very high
October Weather17°C (64°F)117 mm (4.6 inches)71%high
November Weather11°C (52°F)51 mm (2.0 inches)82%moderate
December Weather8°C (47°F)57 mm (2.2 inches)87%moderate

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