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August Weather in Moreno Valley, United States

Last updated: June 24, 2025

In Moreno Valley, United States, the average temperature in August hovers around 26°C (79°F). Expect a comfortable range, with minimums dropping to 15°C (59°F) and maximums soaring up to 40°C (103°F). Precipitation is modest, averaging 10 mm (0.4 in) over just 1 day, while the air remains relatively dry with an average humidity of 42%.

August Temperature in Moreno Valley

In August in Moreno Valley, the average temperature is 26°C (79°F). The maximum can reach 40°C (103°F), and the minimum can be as low as 15°C (59°F). This makes it an ideal destination for travelers seeking warm weather, though it's wise to prepare for a range of temperatures.

August Weather in Moreno Valley: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Moreno Valley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Moreno Valley, August typically has an average temperature of 26°C (79°F), with highs reaching up to 40°C (103°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec515154606472787874665951
Data source: Temperature data for Moreno Valley 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 Moreno Valley

In Moreno Valley in August, the precipitation amount is 10 mm (0.4 in) over the course of 1 day.

August Precipitation Trends in Moreno Valley

The chart displays monthly precipitation patterns in Moreno Valley, 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 Moreno Valley, August typically receives around 10 mm (0.4 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec70707531183111010112870
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Moreno Valley

In Moreno Valley in August, humidity is 42%. With an average temperature of 26°C (79°F), this humidity feels like a comfortable embrace, making it ideal for exploring the sights and sounds of the area without feeling too sticky or uncomfortable.

August Average Humidity in Moreno Valley

This chart illustrates the average monthly humidity levels in Moreno Valley, 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 Moreno Valley is approximately 42%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%77%67%56%46%48%46%42%52%58%66%74%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Moreno Valley

In Moreno Valley in August, 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 Moreno Valley.

Maximum UV Index Levels in Moreno Valley for August

The chart shows the monthly maximum UV Index (UVI) for Moreno Valley 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 Moreno Valley typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469101112121110854
Data source: Moreno Valley 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 Moreno Valley Compares to Other Months

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

This table compares monthly weather conditions in Moreno Valley, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (51°F)70 mm (2.8 inches)72%moderate
February Weather11°C (52°F)70 mm (2.7 inches)77%high
March Weather12°C (54°F)75 mm (2.9 inches)67%very high
April Weather16°C (61°F)31 mm (1.2 inches)56%very high
May Weather18°C (64°F)18 mm (0.7 inches)46%extreme
June Weather22°C (72°F)3 mm (0.1 inches)48%extreme
July Weather26°C (78°F)11 mm (0.4 inches)46%extreme
August Weather26°C (79°F)10 mm (0.4 inches)42%extreme
September Weather23°C (74°F)10 mm (0.4 inches)52%very high
October Weather19°C (66°F)11 mm (0.4 inches)58%very high
November Weather15°C (59°F)28 mm (1.1 inches)66%moderate
December Weather11°C (51°F)70 mm (2.7 inches)74%moderate

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