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October Weather in Castle Pines, United States

Last updated: June 24, 2025

In October, the average temperature in Castle Pines, United States hovers around 8°C (47°F). The weather can be quite variable, with minimums dipping to -19°C (-3°F) and maximums soaring to 29°C (84°F). Expect 38 mm (1.5 in) of precipitation spread over approximately 7 days, and enjoy the relatively high average humidity of 76% that characterizes this month's climate.

October Temperature in Castle Pines

In October in Castle Pines, the average temperature is 8°C (47°F). Maximum temperatures can reach up to 29°C (84°F), while minimums can drop as low as -19°C (-3°F). Pack accordingly to enjoy a wide range of weather conditions during your travels!

October Weather in Castle Pines: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Castle Pines, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castle Pines, October typically has an average temperature of 8°C (47°F), with highs reaching up to 29°C (84°F) and lows dropping to around -19°C (-3°F).
JanFebMarAprMayJunJulAugSepOctNovDec272736435365716963463830
Data source: Temperature data for Castle Pines 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 Castle Pines

In Castle Pines in October, the precipitation amount is 38 mm (1.5 in) over the course of 7 days.

October Precipitation Trends in Castle Pines

The chart displays monthly precipitation patterns in Castle Pines, 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 Castle Pines, October typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec2328645711856573736382314
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Castle Pines

In Castle Pines in October, humidity is 76%. With an average temperature of 8°C (47°F), this humidity feels like traveling through a thick, damp blanket that clings to your skin, making every stroll feel heavier and more exhausting than it should.

October Average Humidity in Castle Pines

This chart illustrates the average monthly humidity levels in Castle Pines, 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 Castle Pines is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%81%76%67%58%52%56%65%76%82%89%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Castle Pines

In Castle Pines 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 Castle Pines.

Maximum UV Index Levels in Castle Pines for October

The chart shows the monthly maximum UV Index (UVI) for Castle Pines 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 Castle Pines typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469111212121110754
Data source: Castle Pines 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 Castle Pines Compares to Other Months

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

This table compares monthly weather conditions in Castle Pines, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)23 mm (0.9 inches)88%moderate
February Weather-3°C (27°F)28 mm (1.1 inches)87%high
March Weather2°C (37°F)64 mm (2.5 inches)81%very high
April Weather6°C (44°F)57 mm (2.2 inches)76%extreme
May Weather11°C (53°F)118 mm (4.6 inches)66%extreme
June Weather19°C (66°F)56 mm (2.2 inches)58%extreme
July Weather21°C (71°F)57 mm (2.2 inches)52%extreme
August Weather21°C (69°F)37 mm (1.4 inches)56%extreme
September Weather17°C (64°F)36 mm (1.4 inches)65%very high
October Weather8°C (47°F)38 mm (1.5 inches)76%high
November Weather3°C (38°F)23 mm (0.9 inches)82%moderate
December Weather-1°C (31°F)14 mm (0.6 inches)89%moderate

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