April weather forecast and climate
Castle Rock, CO

What is the average temperature in April in Castle Rock?

In April, in Castle Rock, the average high-temperature is 59.2°F (15.1°C), and the average low-temperature is 32.7°F (0.4°C).
Average temperature in April - Castle Rock, CO
  • Average high temperature in April: 59.2°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 April: 32.7°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 April - Castle Rock, CO
  • Average rainfall in April: 2.2"

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 April - Castle Rock, CO
  • Average rainfall days in April: 5.7 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 April - Castle Rock, CO
  • Average snowfall in April: 9.2"

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 April - Castle Rock, CO
  • Average snowfall days in April: 3.1 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 April - Castle Rock, CO
  • Average daylight in April: 13.3h

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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