August Weather in Downey, United States

Last updated: June 24, 2025

In August, the average temperature in Downey, United States is a pleasant 21°C (70°F). However, be prepared for a range of temperatures—minimums can drop to 3°C (37°F), while maximums can soar to 35°C (95°F). Expect 22 mm (0.9 in) of precipitation spread over 5 days, with an average humidity of 49%. Stay comfortable and enjoy your time!

August Temperature in Downey

In August in Downey, the average temperature is 21°C (70°F), with maximums reaching 35°C (95°F) and minimums dropping to as low as 3°C (37°F). This makes Downey an ideal travel destination for those who enjoy warm days and cool nights.

August Weather in Downey: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Downey, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Downey, August typically has an average temperature of 21°C (70°F), with highs reaching up to 35°C (95°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec222433415163727060433322
Data source: Temperature data for Downey 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 Downey

In Downey in August, the total precipitation amount is 22 mm (0.9 in) spread over a period of 5 days.

August Precipitation Trends in Downey

The chart displays monthly precipitation patterns in Downey, 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 Downey, August typically receives around 22 mm (0.9 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec597850696129142235454654
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Downey

In Downey in August, humidity is 49%. With an average temperature of 21°C (70°F), this humidity feels like a pleasant warmth that enhances the vibrancy of outdoor activities, making it an ideal time for exploring local attractions and enjoying leisurely strolls.

August Average Humidity in Downey

This chart illustrates the average monthly humidity levels in Downey, 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 Downey is approximately 49%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%95%90%81%71%64%59%49%52%69%86%91%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Downey

In Downey 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 Downey.

Maximum UV Index Levels in Downey for August

The chart shows the monthly maximum UV Index (UVI) for Downey 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 Downey typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3589101111109643
Data source: Downey 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 Downey Compares to Other Months

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

This table compares monthly weather conditions in Downey, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)59 mm (2.3 inches)95%moderate
February Weather-4°C (25°F)78 mm (3.1 inches)95%moderate
March Weather1°C (33°F)50 mm (2.0 inches)90%very high
April Weather5°C (41°F)69 mm (2.7 inches)81%very high
May Weather11°C (51°F)60 mm (2.4 inches)71%very high
June Weather17°C (63°F)29 mm (1.1 inches)64%extreme
July Weather22°C (72°F)14 mm (0.6 inches)59%extreme
August Weather21°C (70°F)22 mm (0.9 inches)49%very high
September Weather15°C (60°F)35 mm (1.4 inches)52%very high
October Weather6°C (44°F)45 mm (1.8 inches)69%high
November Weather1°C (33°F)46 mm (1.8 inches)86%moderate
December Weather-5°C (23°F)54 mm (2.1 inches)91%moderate

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