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October Weather in Santa Clara, United States

Last updated: June 24, 2025

In October, the average temperature in Santa Clara, United States hovers around 16°C (60°F). Expect to experience a range from a chilly -6°C (22°F) to a warm 33°C (92°F). The month typically sees about 13 mm (0.5 in) of precipitation spread over just 2 days, and the average humidity rests at a comfortable 62%. Enjoy the variety that this month's weather brings!

October Temperature in Santa Clara

In October in Santa Clara, the average temperature is 16°C (60°F). The maximum can reach 33°C (92°F), while the minimum can drop to as low as -6°C (22°F). Be prepared for a wide range of temperatures when traveling to Santa Clara during this time.

October Weather in Santa Clara: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Santa Clara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Clara, October typically has an average temperature of 16°C (60°F), with highs reaching up to 33°C (92°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec394350606881868576605040
Data source: Temperature data for Santa Clara 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.

October Precipitation in Santa Clara

In Santa Clara in October, the precipitation amount is 13 mm (0.5 in) over a span of 2 days.

October Precipitation Trends in Santa Clara

The chart displays monthly precipitation patterns in Santa Clara, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Santa Clara, October typically receives around 13 mm (0.5 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec45384411141895132734
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Santa Clara

In Santa Clara in October, humidity is 62%. With an average temperature of 16°C (60°F), this humidity feels like a damp embrace, making travel slightly uncomfortable as the air can feel heavier and more stifling, potentially leading to a lingering sense of stickiness while exploring.

October Average Humidity in Santa Clara

This chart illustrates the average monthly humidity levels in Santa Clara, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Santa Clara is approximately 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%82%72%62%45%34%30%31%47%62%77%80%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Santa Clara

In Santa Clara in October, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Santa Clara.

Maximum UV Index Levels in Santa Clara for October

The chart shows the monthly maximum UV Index (UVI) for Santa Clara in October, 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 October, the maximum UV index in Santa Clara typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101112121110754
Data source: Santa Clara October 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 October Weather in Santa Clara Compares to Other Months

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

This table compares monthly weather conditions in Santa Clara, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)45 mm (1.8 inches)80%moderate
February Weather6°C (43°F)38 mm (1.5 inches)82%high
March Weather10°C (51°F)44 mm (1.7 inches)72%very high
April Weather16°C (61°F)11 mm (0.4 inches)62%very high
May Weather20°C (68°F)14 mm (0.5 inches)45%extreme
June Weather27°C (82°F)1 mm (0.0 inches)34%extreme
July Weather30°C (86°F)8 mm (0.3 inches)30%extreme
August Weather29°C (85°F)9 mm (0.4 inches)31%extreme
September Weather25°C (76°F)5 mm (0.2 inches)47%very high
October Weather16°C (60°F)13 mm (0.5 inches)62%high
November Weather10°C (50°F)27 mm (1.1 inches)77%moderate
December Weather5°C (40°F)34 mm (1.3 inches)80%moderate

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