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August Weather in Pomona, United States

Last updated: June 24, 2025

In August, the average temperature in Pomona, United States is a pleasant 25°C (77°F). However, temperatures can range from a cool 17°C (63°F) to a warm 35°C (96°F). Visitors can expect about 132 mm (5.2 in) of precipitation over 15 days, contributing to an average humidity of 77%. Whether you're exploring or relaxing, be prepared for a mix of weather!

August Temperature in Pomona

In August in Pomona, the average temperature is 25°C (77°F). The maximum can reach 35°C (96°F), while the minimum can be as low as 17°C (63°F). This moderate climate makes Pomona an ideal destination for travelers seeking pleasant weather and outdoor activities.

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

The chart illustrates August temperature patterns in Pomona, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pomona, August typically has an average temperature of 25°C (77°F), with highs reaching up to 35°C (96°F) and lows dropping to around 17°C (63°F).
JanFebMarAprMayJunJulAugSepOctNovDec374045546373797772634942
Data source: Temperature data for Pomona 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 Pomona

In Pomona in August, the precipitation amount is 132 mm (5.2 in), occurring over a span of 15 days.

August Precipitation Trends in Pomona

The chart displays monthly precipitation patterns in Pomona, 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 Pomona, August typically receives around 132 mm (5.2 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec65102109981099012513211213680106
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Pomona

In Pomona in August, humidity is 77%. With an average temperature of 25°C (77°F), this humidity feels like a warm blanket wrapping around you, making travel feel slightly heavy but still pleasant, as long as you stay hydrated and take frequent breaks in the shade.

August Average Humidity in Pomona

This chart illustrates the average monthly humidity levels in Pomona, 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 Pomona is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%82%81%79%74%77%76%77%74%75%80%81%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Pomona

In Pomona 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 Pomona.

Maximum UV Index Levels in Pomona for August

The chart shows the monthly maximum UV Index (UVI) for Pomona 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 Pomona typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3568101010108743
Data source: Pomona 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 Pomona Compares to Other Months

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

This table compares monthly weather conditions in Pomona, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)65 mm (2.5 inches)83%moderate
February Weather5°C (41°F)102 mm (4.0 inches)82%moderate
March Weather7°C (45°F)109 mm (4.3 inches)81%high
April Weather12°C (54°F)98 mm (3.9 inches)79%very high
May Weather17°C (63°F)109 mm (4.3 inches)74%very high
June Weather23°C (73°F)90 mm (3.5 inches)77%very high
July Weather26°C (79°F)125 mm (4.9 inches)76%very high
August Weather25°C (77°F)132 mm (5.2 inches)77%very high
September Weather22°C (72°F)112 mm (4.4 inches)74%very high
October Weather17°C (63°F)136 mm (5.4 inches)75%high
November Weather9°C (49°F)80 mm (3.1 inches)80%moderate
December Weather5°C (42°F)106 mm (4.2 inches)81%moderate

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