May weather forecast and climate
Castle Rock, CO

What is the average temperature in May in Castle Rock?

In May, the average high-temperature is 69.1°F (20.6°C), and the average low-temperature is 42.1°F (5.6°C).
Average temperature in May - Castle Rock, CO
  • Average high temperature in May: 69°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 May: 42°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 May - Castle Rock, CO
  • Average rainfall in May: 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 May - Castle Rock, CO
  • Average rainfall days in May: 7.9 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 May - Castle Rock, CO
  • Average snowfall in May: 0.7"

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 May - Castle Rock, CO
  • Average snowfall days in May: 0.4 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 May - Castle Rock, CO
  • Average daylight in May: 14.4h

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

deutscheenglishespañolрусский中文