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July Weather in Aliso Viejo, United States

Last updated: June 24, 2025

In Aliso Viejo, United States, the average temperature in July hovers around 21°C (70°F). With minimums dipping to 17°C (62°F) and maximums soaring to 33°C (91°F), the weather offers a pleasant range. Expect minimal precipitation of only 3 mm (0.1 in) over the course of 0 days, while average humidity sits comfortably at 73%.

July Temperature in Aliso Viejo

In July in Aliso Viejo, the average temperature is 21°C (70°F). The maximum can reach 33°C (91°F), and the minimum can be as low as 17°C (62°F). This pleasant climate makes Aliso Viejo an ideal destination for travelers seeking comfortable weather and outdoor activities.

July Weather in Aliso Viejo: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Aliso Viejo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Aliso Viejo, July typically has an average temperature of 21°C (70°F), with highs reaching up to 33°C (91°F) and lows dropping to around 17°C (62°F).
JanFebMarAprMayJunJulAugSepOctNovDec575758616265707170686358
Data source: Temperature data for Aliso Viejo 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 Aliso Viejo

In Aliso Viejo in July, the precipitation amount is 3 mm (0.1 in) during a total of 0 days.

July Precipitation Trends in Aliso Viejo

The chart displays monthly precipitation patterns in Aliso Viejo, 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 Aliso Viejo, July typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec6055542514333392269
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Aliso Viejo

In Aliso Viejo in July, humidity is 73%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace that can make outdoor activities feel sweltering, so it's essential to stay hydrated and take breaks in the shade while exploring.

July Average Humidity in Aliso Viejo

This chart illustrates the average monthly humidity levels in Aliso Viejo, 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 Aliso Viejo is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%79%75%71%70%72%73%69%68%67%68%71%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Aliso Viejo

In Aliso Viejo 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 Aliso Viejo.

Maximum UV Index Levels in Aliso Viejo for July

The chart shows the monthly maximum UV Index (UVI) for Aliso Viejo 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 Aliso Viejo typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111010754
Data source: Aliso Viejo 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 Aliso Viejo Compares to Other Months

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

This table compares monthly weather conditions in Aliso Viejo, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather14°C (58°F)60 mm (2.3 inches)74%moderate
February Weather14°C (57°F)55 mm (2.2 inches)79%high
March Weather14°C (58°F)54 mm (2.1 inches)75%very high
April Weather16°C (61°F)25 mm (1.0 inches)70%very high
May Weather16°C (62°F)14 mm (0.5 inches)70%extreme
June Weather18°C (65°F)3 mm (0.1 inches)72%extreme
July Weather21°C (70°F)3 mm (0.1 inches)73%extreme
August Weather22°C (71°F)3 mm (0.1 inches)69%very high
September Weather21°C (70°F)3 mm (0.1 inches)68%very high
October Weather20°C (68°F)9 mm (0.4 inches)67%high
November Weather17°C (63°F)22 mm (0.8 inches)68%moderate
December Weather14°C (58°F)69 mm (2.7 inches)71%moderate

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