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August Weather in Grover Beach, United States

Last updated: June 24, 2025

In Grover Beach, United States, the average temperature in August hovers around 18°C (65°F), creating a pleasant climate for outdoor activities. However, temperatures can dip to a minimum of 13°C (55°F) and soar to a maximum of 29°C (85°F). Expect minimal precipitation, with only 1 mm (0.0 in) falling over 0 days, and enjoy a comfortable average humidity of 72%.

August Temperature in Grover Beach

In August in Grover Beach, the average temperature is 18°C (65°F). The maximum can reach 29°C (85°F), while the minimum can drop as low as 13°C (55°F). This pleasant climate makes Grover Beach an ideal destination for outdoor activities and leisurely exploration during this time of year.

August Weather in Grover Beach: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Grover Beach, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grover Beach, August typically has an average temperature of 18°C (65°F), with highs reaching up to 29°C (85°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec545354565761646464635854
Data source: Temperature data for Grover Beach 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 Grover Beach

In Grover Beach in August, the precipitation amount is 1 mm (0.0 in) during a span of 0 days.

August Precipitation Trends in Grover Beach

The chart displays monthly precipitation patterns in Grover Beach, 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 Grover Beach, August typically receives around 1 mm (0.0 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec100818824122112103372
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Grover Beach

In Grover Beach in August humidity is 72%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace, making traveling somewhat uncomfortable as the air clings to your skin and the heat can be stifling, yet it's perfect for enjoying leisurely strolls under the shade.

August Average Humidity in Grover Beach

This chart illustrates the average monthly humidity levels in Grover Beach, 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 Grover Beach is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%83%80%76%75%74%75%72%70%70%74%77%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Grover Beach

In Grover Beach 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 Grover Beach.

Maximum UV Index Levels in Grover Beach for August

The chart shows the monthly maximum UV Index (UVI) for Grover Beach 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 Grover Beach typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101112121110753
Data source: Grover Beach 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 Grover Beach Compares to Other Months

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

This table compares monthly weather conditions in Grover Beach, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)100 mm (3.9 inches)80%moderate
February Weather12°C (53°F)81 mm (3.2 inches)83%high
March Weather12°C (54°F)88 mm (3.5 inches)80%very high
April Weather13°C (57°F)24 mm (1.0 inches)76%very high
May Weather14°C (58°F)12 mm (0.5 inches)75%extreme
June Weather16°C (61°F)2 mm (0.1 inches)74%extreme
July Weather18°C (64°F)1 mm (0.0 inches)75%extreme
August Weather18°C (65°F)1 mm (0.0 inches)72%extreme
September Weather18°C (64°F)1 mm (0.1 inches)70%very high
October Weather17°C (63°F)10 mm (0.4 inches)70%high
November Weather14°C (58°F)33 mm (1.3 inches)74%moderate
December Weather12°C (54°F)72 mm (2.8 inches)76%moderate

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