October weather forecast and climate
Castle Rock, CO

What is the average temperature in October in Castle Rock?

In Castle Rock, Colorado, in October, the average high-temperature is 64.6°F (18.1°C), and the average low-temperature is 34.5°F (1.4°C).
Average temperature in October - Castle Rock, CO
  • Average high temperature in October: 64.6°F

The warmest month (with the highest average high temperature) is July (85.2°F).
The month with the lowest average high temperature is December (44.7°F).

  • Average low temperature in October: 34.6°F

The month with the highest average low temperature is July (55.7°F).
The coldest month (with the lowest average low temperature) is December (17.6°F).

Average rainfall in October - Castle Rock, CO
  • Average rainfall in October: 1.1"

The wettest month (with the highest rainfall) is August (2.7").
The driest month (with the lowest rainfall) is January (0.6").

Average rainfall days in October - Castle Rock, CO
  • Average rainfall days in October: 3.8 days

The month with the highest number of rainy days is August (9.4 days).
The month with the lowest number of rainy days is January (3.5 days).

Average snowfall in October - Castle Rock, CO
  • Average snowfall in October: 3.5"

The month with the highest snowfall is March (14.7").
Months with the lowest snowfall are June, July and August (0").

Average snowfall days in October - Castle Rock, CO
  • Average snowfall days in October: 1.1 days

The month with the highest number of snowfall days is March (3.9 days).
Months with the lowest number of snowfall days are June, July and August (0 days).

Average daylight in October - Castle Rock, CO
  • Average daylight in October: 11.1h

The month with the longest days is June (Average daylight: 14.9h).
The month with shortest days is December (Average daylight: 9.4h).

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