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August Weather in Boulder Creek, United States

Last updated: June 24, 2025

In August, the average temperature in Boulder Creek, United States is a pleasant 19°C (67°F). Expect temperatures to range from a cool 11°C (52°F) to a scorching 39°C (102°F). With 0 mm (0.0 in) of precipitation over 0 days, the weather is likely to be dry, and the average humidity sits at a comfortable 54%. Enjoy your time in this beautiful location!

August Temperature in Boulder Creek

In August in Boulder Creek, the average temperature is 19°C (67°F), with maximums reaching 39°C (102°F) and minimums dropping to as low as 11°C (52°F). This variance makes it essential for travelers to pack versatile clothing suitable for both warm days and cooler evenings.

August Weather in Boulder Creek: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Boulder Creek, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Boulder Creek, August typically has an average temperature of 19°C (67°F), with highs reaching up to 39°C (102°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec505153565964666766635550
Data source: Temperature data for Boulder Creek 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 Boulder Creek

In Boulder Creek in August, the precipitation amount is 0 mm (0.0 in) during 0 days.

August Precipitation Trends in Boulder Creek

The chart displays monthly precipitation patterns in Boulder Creek, 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 Boulder Creek, August typically receives around 0 mm (0.0 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec145133114372410132556116
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Boulder Creek

In Boulder Creek in August, humidity is 54%. With an average temperature of 19°C (67°F), this humidity feels like a gentle embrace—a refreshing yet slightly damp sensation that invigorates while traveling, making it perfect for exploring the sights without feeling too stifled.

August Average Humidity in Boulder Creek

This chart illustrates the average monthly humidity levels in Boulder Creek, 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 Boulder Creek is approximately 54%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%84%82%78%71%64%59%54%55%62%78%80%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Boulder Creek

In Boulder Creek 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 Boulder Creek.

Maximum UV Index Levels in Boulder Creek for August

The chart shows the monthly maximum UV Index (UVI) for Boulder Creek 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 Boulder Creek typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4589111111109753
Data source: Boulder Creek 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 Boulder Creek Compares to Other Months

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

This table compares monthly weather conditions in Boulder Creek, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (51°F)145 mm (5.7 inches)82%moderate
February Weather11°C (52°F)133 mm (5.2 inches)84%moderate
March Weather11°C (53°F)114 mm (4.5 inches)82%very high
April Weather13°C (56°F)37 mm (1.4 inches)78%very high
May Weather15°C (59°F)24 mm (0.9 inches)71%extreme
June Weather18°C (64°F)1 mm (0.0 inches)64%extreme
July Weather19°C (66°F)0 mm (0.0 inches)58%extreme
August Weather19°C (67°F)0 mm (0.0 inches)54%very high
September Weather19°C (67°F)3 mm (0.1 inches)55%very high
October Weather17°C (63°F)25 mm (1.0 inches)62%high
November Weather13°C (56°F)56 mm (2.2 inches)78%moderate
December Weather10°C (50°F)116 mm (4.6 inches)80%moderate

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