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November Weather in Simi Valley, United States

Last updated: June 24, 2025

In November, the average temperature in Simi Valley, United States hovers around 16°C (62°F), with extremes ranging from a cozy 4°C (39°F) to a warm 32°C (90°F). Expect a modest amount of precipitation at 19 mm (0.7 in) over just 1 day, while the humidity maintains a comfortable average of 72%. Enjoy the delightful climate!

November Temperature in Simi Valley

In November in Simi Valley, the average temperature is 16°C (62°F), with maximums reaching 32°C (90°F) and minimums dropping as low as 4°C (39°F). This makes Simi Valley a great destination for travelers seeking a mix of warm days and cooler nights.

November Weather in Simi Valley: Daily Temperature Highs, Lows, and Averages

The chart illustrates November temperature patterns in Simi Valley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Simi Valley, November typically has an average temperature of 16°C (62°F), with highs reaching up to 32°C (90°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec555557626369747572686154
Data source: Temperature data for Simi Valley 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.

November Precipitation in Simi Valley

In Simi Valley in November, the precipitation amount is 19 mm (0.7 in) over a duration of 1 day.

November Precipitation Trends in Simi Valley

The chart displays monthly precipitation patterns in Simi Valley, with values for each month alongside November’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how November’s conditions compare to those of other months. In Simi Valley, November typically receives around 19 mm (0.7 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec79638020152112101986
Data source: Precipitation data for November generated using information from the Copernicus Climate Change Service.
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November Humidity in Simi Valley

In Simi Valley in November, humidity is 72%. With an average temperature of 16°C (62°F), this humidity feels like a warm blanket wrapped around you, making it slightly uncomfortable for traveling as you might find yourself sweating more than usual, especially during outdoor activities.

November Average Humidity in Simi Valley

This chart illustrates the average monthly humidity levels in Simi Valley, with November’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In November, average humidity in Simi Valley is approximately 72%, 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 November generated using information from the Copernicus Climate Change Service.

November UV Index in Simi Valley

In Simi Valley in November, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Simi Valley.

Maximum UV Index Levels in Simi Valley for November

The chart shows the monthly maximum UV Index (UVI) for Simi Valley in November, 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 November, the maximum UV index in Simi Valley typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121110754
Data source: Simi Valley November 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 November Weather in Simi Valley Compares to Other Months

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

This table compares monthly weather conditions in Simi Valley, showing how November’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather13°C (55°F)79 mm (3.1 inches)78%moderate
February Weather13°C (55°F)63 mm (2.5 inches)82%high
March Weather14°C (57°F)80 mm (3.2 inches)75%very high
April Weather17°C (62°F)20 mm (0.8 inches)68%very high
May Weather17°C (64°F)15 mm (0.6 inches)57%extreme
June Weather20°C (69°F)2 mm (0.1 inches)52%extreme
July Weather23°C (74°F)1 mm (0.0 inches)46%extreme
August Weather24°C (75°F)1 mm (0.0 inches)39%extreme
September Weather22°C (73°F)2 mm (0.1 inches)48%very high
October Weather20°C (68°F)10 mm (0.4 inches)59%high
November Weather16°C (62°F)19 mm (0.7 inches)72%moderate
December Weather12°C (55°F)86 mm (3.4 inches)76%moderate

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