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October Weather in Pasadena Hills, United States

Last updated: June 24, 2025

In Pasadena Hills, United States, the average temperature in October hovers around 15°C (59°F). You can expect a range from a chilly -4°C (26°F) to a warm 34°C (93°F). This month sees 105 mm (4.1 in) of precipitation spread over 11 days, contributing to the average humidity of 76%. 🌦️

October Temperature in Pasadena Hills

In October in Pasadena Hills, the average temperature is 15°C (59°F). The maximum can reach 34°C (93°F), while the minimum can drop as low as -4°C (26°F). This variety in temperatures means travelers should be prepared for both warm days and potentially chilly nights.

October Weather in Pasadena Hills: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Pasadena Hills, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pasadena Hills, October typically has an average temperature of 15°C (59°F), with highs reaching up to 34°C (93°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec323547556777807672594439
Data source: Temperature data for Pasadena Hills 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 Pasadena Hills

In Pasadena Hills in October, the precipitation amount is 105 mm (4.1 in) over the course of 11 days.

October Precipitation Trends in Pasadena Hills

The chart displays monthly precipitation patterns in Pasadena Hills, 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 Pasadena Hills, October typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec768013112914510197130561057559
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Pasadena Hills

In Pasadena Hills in October humidity is 76%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities less enjoyable and often leading to a quick sense of fatigue while traveling.

October Average Humidity in Pasadena Hills

This chart illustrates the average monthly humidity levels in Pasadena Hills, 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 Pasadena Hills is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%80%82%83%81%80%76%76%85%86%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Pasadena Hills

In Pasadena Hills in October, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Pasadena Hills, you can refer to this Hourly UV Index in Pasadena Hills.

Maximum UV Index Levels in Pasadena Hills for October

The chart shows the monthly maximum UV Index (UVI) for Pasadena Hills 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 Pasadena Hills typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101110109643
Data source: Pasadena Hills 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 Pasadena Hills Compares to Other Months

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

This table compares monthly weather conditions in Pasadena Hills, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)76 mm (3.0 inches)82%moderate
February Weather2°C (35°F)80 mm (3.2 inches)80%moderate
March Weather8°C (47°F)131 mm (5.2 inches)80%high
April Weather13°C (55°F)129 mm (5.1 inches)80%very high
May Weather20°C (68°F)145 mm (5.7 inches)82%very high
June Weather25°C (77°F)101 mm (4.0 inches)83%extreme
July Weather26°C (80°F)97 mm (3.8 inches)81%very high
August Weather25°C (76°F)130 mm (5.1 inches)80%very high
September Weather22°C (73°F)56 mm (2.2 inches)76%very high
October Weather15°C (59°F)105 mm (4.1 inches)76%high
November Weather7°C (44°F)75 mm (2.9 inches)85%moderate
December Weather4°C (39°F)59 mm (2.3 inches)86%moderate

Compare Pasadena Hills's Climate with Cities Worldwide