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August Weather in Glendora, United States

Last updated: June 24, 2025

In Glendora, United States, the average temperature in August typically hovers around 25°C (77°F). You can expect a temperature range with a minimum of 14°C (57°F) and a maximum peaking at 38°C (101°F). During this month, there's an average precipitation of just 9 mm (0.4 in), occurring over 2 days, and the average humidity sits comfortably at 39%.

August Temperature in Glendora

In August in Glendora, the average temperature is 25°C (77°F). Maximums can reach 38°C (101°F), and minimums can be as low as 14°C (57°F). This makes it an ideal time for travelers seeking warm weather while still enjoying cooler evenings.

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

The chart illustrates August temperature patterns in Glendora, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Glendora, August typically has an average temperature of 25°C (77°F), with highs reaching up to 38°C (101°F) and lows dropping to around 14°C (57°F).
JanFebMarAprMayJunJulAugSepOctNovDec505052596270777773655850
Data source: Temperature data for Glendora 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 Glendora

In Glendora in August, the precipitation amount is 9 mm (0.4 in) over the course of 2 days.

August Precipitation Trends in Glendora

The chart displays monthly precipitation patterns in Glendora, 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 Glendora, August typically receives around 9 mm (0.4 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec777379252136106112579
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Glendora

In Glendora in August, humidity is 39%. With an average temperature of 25°C (77°F), this humidity feels like a comfortable embrace, making it pleasant for traveling as you can enjoy the outdoors without feeling too sticky or weighed down.

August Average Humidity in Glendora

This chart illustrates the average monthly humidity levels in Glendora, 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 Glendora is approximately 39%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%82%76%68%58%52%46%39%48%59%72%76%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Glendora

In Glendora 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 Glendora.

Maximum UV Index Levels in Glendora for August

The chart shows the monthly maximum UV Index (UVI) for Glendora 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 Glendora typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469101112121110754
Data source: Glendora 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 Glendora Compares to Other Months

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

This table compares monthly weather conditions in Glendora, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)77 mm (3.0 inches)78%moderate
February Weather10°C (50°F)73 mm (2.9 inches)82%high
March Weather11°C (53°F)79 mm (3.1 inches)75%very high
April Weather15°C (59°F)25 mm (1.0 inches)68%very high
May Weather17°C (62°F)20 mm (0.8 inches)57%extreme
June Weather21°C (71°F)3 mm (0.1 inches)52%extreme
July Weather25°C (77°F)6 mm (0.2 inches)46%extreme
August Weather25°C (77°F)9 mm (0.4 inches)39%extreme
September Weather23°C (73°F)6 mm (0.2 inches)48%very high
October Weather18°C (65°F)11 mm (0.4 inches)59%high
November Weather14°C (58°F)25 mm (1.0 inches)72%moderate
December Weather10°C (50°F)79 mm (3.1 inches)76%moderate

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