Boulder Junction, CO
Unincorporated community in Boulder County, Colorado
Boulder Junction is a small unincorporated community in Boulder County, Colorado. It is 1.3 miles N of Valmont, the nearest town. Its ZIP code is 80301.
Boulder Junction at a glance
- State
- Colorado
- County
- Boulder County
- ZIP code
- 80301
- Nearest town
- Valmont (1.3 mi)
- Time zone
- America/Denver
- Coordinates
- 40.0167, -105.2083
Weather in Boulder Junction now
Loading the National Weather Service forecast…
Boulder Junction weather by the hour
Boulder Junction weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Boulder Junction.
This week in Boulder Junction
Sunrise, sunset and moon in Boulder Junction
What is the weather usually like in Boulder Junction?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 88°F average high
- Decembercoldest month · 21°F average low
- 21.2 inprecipitation per year · 539 mm
- 92.8 insnowfall per year · 236 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Boulder Junction: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station BOULDER, CO US (USC00050848), adjusted for the elevation of Boulder Junction.
Boulder Junction weather month by month
Sunrise and sunset in Boulder Junction through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:19 AM | 5:01 PM | 9 h 42 min |
| February | 6:51 AM | 5:38 PM | 10 h 46 min |
| March | 7:10 AM | 7:09 PM | 11 h 58 min |
| April | 6:20 AM | 7:40 PM | 13 h 19 min |
| May | 5:43 AM | 8:10 PM | 14 h 27 min |
| June | 5:29 AM | 8:33 PM | 15 h 3 min |
| July | 5:43 AM | 8:30 PM | 14 h 46 min |
| August | 6:11 AM | 7:59 PM | 13 h 47 min |
| September | 6:40 AM | 7:11 PM | 12 h 30 min |
| October | 7:10 AM | 6:22 PM | 11 h 12 min |
| November | 6:44 AM | 4:46 PM | 10 h 1 min |
| December | 7:14 AM | 4:38 PM | 9 h 23 min |
Times for the 15th of each month, local time (America/Denver).
What is the weather like in Boulder Junction?
Boulder Junction has a humid subtropical climate. The warmest month is July, with an average high of 88°F (31°C), and the coldest is December, with average lows of 21°F (-6°C).
It gets about 21.2 inches (539 mm) of precipitation a year. The wettest month is May and the driest is December. Snow is common: about 93 inches fall in an average year.
The best time to visit Boulder Junction is June to September. 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.
Webcams near Boulder Junction
The closest live webcam is Boulder Junction: Boulder, 2.5 miles W of Boulder Junction.
Webcams: Windy.com. Distances in a straight line from Boulder Junction.
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Map of Boulder Junction, CO
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Boulder Junction Street View
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Questions about Boulder Junction
Where is Boulder Junction, CO?
Boulder Junction is an unincorporated community in Boulder County, Colorado, 1.3 miles N of Valmont.
What county is Boulder Junction in?
Boulder Junction is in Boulder County, Colorado.
What is the ZIP code of Boulder Junction, CO?
The ZIP code for Boulder Junction is 80301.
What is the nearest town to Boulder Junction?
Valmont, 1.3 miles away.
Are there webcams near Boulder Junction?
Yes. The closest is Boulder Junction: Boulder, 2.5 miles away.
What is the hottest month in Boulder Junction?
July, with an average high of 88°F (31°C).
What is the coldest month in Boulder Junction?
December, with an average low of 21°F (-6°C).
How much does it rain in Boulder Junction?
About 21.2 inches (539 mm) a year; the wettest month is May.
Does it snow in Boulder Junction?
Yes, about 93 inches of snow fall in an average year.
When is the best time to visit Boulder Junction?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Boulder Junction have?
Humid subtropical (Köppen Cfa).
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