New Castle, CO weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in New Castle now
Loading the National Weather Service forecast…
New Castle weather by the hour
New Castle weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of New Castle.
This week in New Castle
Sunrise, sunset and moon in New Castle
What is the weather usually like in New Castle?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 92°F average high
- Januarycoldest month · 13°F average low
- 10.7 inprecipitation per year · 273 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit New Castle: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station RIFLE GARFIELD CO AP, CO US (USW00003016), adjusted for the elevation of New Castle.
New Castle weather month by month
Sunrise and sunset in New Castle through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:27 AM | 5:12 PM | 9 h 44 min |
| February | 7:00 AM | 5:48 PM | 10 h 47 min |
| March | 7:19 AM | 7:18 PM | 11 h 58 min |
| April | 6:30 AM | 7:49 PM | 13 h 18 min |
| May | 5:53 AM | 8:18 PM | 14 h 24 min |
| June | 5:40 AM | 8:40 PM | 15 h 0 min |
| July | 5:53 AM | 8:38 PM | 14 h 44 min |
| August | 6:21 AM | 8:07 PM | 13 h 46 min |
| September | 6:50 AM | 7:20 PM | 12 h 29 min |
| October | 7:19 AM | 6:32 PM | 11 h 13 min |
| November | 6:53 AM | 4:56 PM | 10 h 3 min |
| December | 7:22 AM | 4:48 PM | 9 h 26 min |
Times for the 15th of each month, local time (America/Denver).
What is the weather like in New Castle?
New Castle has a cold semi-arid climate. The warmest month is July, with an average high of 92°F (33°C), and the coldest is January, with average lows of 13°F (-11°C).
It gets about 10.7 inches (273 mm) of precipitation a year. The wettest month is September and the driest is December.
The best time to visit New Castle is May–June and August–September. At 5,597 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 New Castle
Weather in towns near New Castle
Questions about the weather in New Castle
What is the hottest month in New Castle?
July, with an average high of 92°F (33°C).
What is the coldest month in New Castle?
January, with an average low of 13°F (-11°C).
How much does it rain in New Castle?
About 10.7 inches (273 mm) a year; the wettest month is September.
Does it snow in New Castle?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit New Castle?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does New Castle have?
Cold semi-arid (Köppen BSk).
What is the weather like in New Castle in November?
Highs average 49°F and lows 23°F, with about 0.6 inches of precipitation.
What time is sunrise in New Castle?
Around 6:53 AM in mid-November, and sunset around 4:56 PM. Today’s exact times are shown above.
Where does this New Castle weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of New Castle.
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