Castle Rock, CO weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Castle Rock now
Loading the National Weather Service forecast…
Castle Rock weather by the hour
Castle Rock weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Castle Rock.
This week in Castle Rock
Sunrise, sunset and moon in Castle Rock
What is the weather usually like in Castle Rock?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 86°F average high
- Januarycoldest month · 18°F average low
- 17.6 inprecipitation per year · 447 mm
- 57.5 insnowfall per year · 146 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Castle Rock: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station CASTLE ROCK, CO US (USC00051401), adjusted for the elevation of Castle Rock.
Castle Rock weather month by month
Sunrise and sunset in Castle Rock through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:15 AM | 5:01 PM | 9 h 45 min |
| February | 6:49 AM | 5:37 PM | 10 h 48 min |
| March | 7:08 AM | 7:07 PM | 11 h 58 min |
| April | 6:20 AM | 7:38 PM | 13 h 18 min |
| May | 5:43 AM | 8:07 PM | 14 h 23 min |
| June | 5:30 AM | 8:29 PM | 14 h 59 min |
| July | 5:43 AM | 8:27 PM | 14 h 43 min |
| August | 6:11 AM | 7:56 PM | 13 h 45 min |
| September | 6:39 AM | 7:09 PM | 12 h 29 min |
| October | 7:08 AM | 6:21 PM | 11 h 13 min |
| November | 6:42 AM | 4:46 PM | 10 h 4 min |
| December | 7:10 AM | 4:38 PM | 9 h 27 min |
Times for the 15th of each month, local time (America/Denver).
What is the weather like in Castle Rock?
Castle Rock has a cold semi-arid climate. The warmest month is July, with an average high of 86°F (30°C), and the coldest is January, with average lows of 18°F (-8°C).
It gets about 17.6 inches (447 mm) of precipitation a year. The wettest month is August and the driest is January. Snow is common: about 58 inches fall in an average year.
The best time to visit Castle Rock is June to September. At 6,224 ft of elevation, nights are cool even in summer. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Castle Rock
Weather in towns near Castle Rock
Questions about the weather in Castle Rock
What is the hottest month in Castle Rock?
July, with an average high of 86°F (30°C).
What is the coldest month in Castle Rock?
January, with an average low of 18°F (-8°C).
How much does it rain in Castle Rock?
About 17.6 inches (447 mm) a year; the wettest month is August.
Does it snow in Castle Rock?
Yes, about 58 inches of snow fall in an average year.
When is the best time to visit Castle Rock?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Castle Rock have?
Cold semi-arid (Köppen BSk).
What is the weather like in Castle Rock in November?
Highs average 54°F and lows 26°F, with about 0.8 inches of precipitation.
What time is sunrise in Castle Rock?
Around 6:42 AM in mid-November, and sunset around 4:46 PM. Today’s exact times are shown above.
Where does this Castle Rock weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Castle Rock.
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