Jefferson, CO
Unincorporated community in Summit County, Colorado
Jefferson is a small unincorporated community in Summit County, Colorado. It is 13.6 miles W of Blue River, the nearest town. Its ZIP code is 80448.
Jefferson at a glance
- State
- Colorado
- County
- Summit County
- ZIP code
- 80448
- Nearest town
- Blue River (13.6 mi)
- Time zone
- America/Denver
- Coordinates
- 39.3772, -105.8000
Weather in Jefferson now
Loading the National Weather Service forecast…
Jefferson weather by the hour
Jefferson weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Jefferson.
This week in Jefferson
Sunrise, sunset and moon in Jefferson
What is the weather usually like in Jefferson?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 75°F average high
- Januarycoldest month · 9°F average low
- 15.4 inprecipitation per year · 391 mm
- 82.0 insnowfall per year · 208 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Jefferson: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station GRANT, CO US (USC00053530), adjusted for the elevation of Jefferson.
Jefferson weather month by month
Sunrise and sunset in Jefferson through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:19 AM | 5:05 PM | 9 h 45 min |
| February | 6:53 AM | 5:41 PM | 10 h 48 min |
| March | 7:12 AM | 7:11 PM | 11 h 58 min |
| April | 6:24 AM | 7:42 PM | 13 h 18 min |
| May | 5:47 AM | 8:11 PM | 14 h 23 min |
| June | 5:34 AM | 8:33 PM | 14 h 59 min |
| July | 5:47 AM | 8:30 PM | 14 h 43 min |
| August | 6:14 AM | 8:00 PM | 13 h 45 min |
| September | 6:43 AM | 7:13 PM | 12 h 29 min |
| October | 7:12 AM | 6:25 PM | 11 h 13 min |
| November | 6:45 AM | 4:49 PM | 10 h 4 min |
| December | 7:14 AM | 4:42 PM | 9 h 27 min |
Times for the 15th of each month, local time (America/Denver).
What is the weather like in Jefferson?
Jefferson has a warm-summer humid continental climate. The warmest month is July, with an average high of 75°F (24°C), and the coldest is January, with average lows of 9°F (-13°C).
It gets about 15.4 inches (391 mm) of precipitation a year. The wettest month is July and the driest is January. Snow is common: about 82 inches fall in an average year.
The best time to visit Jefferson 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 Jefferson
The closest live webcam is Wild Irishman › South-west: Mount Guyot Circle, 14.3 miles NW of Jefferson.
Webcams: Windy.com. Distances in a straight line from Jefferson.
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Map of Jefferson, CO
Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Jefferson Street View
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Open in Google Maps ›Towns near Jefferson
Other communities near Jefferson
Questions about Jefferson
Where is Jefferson, CO?
Jefferson is an unincorporated community in Summit County, Colorado, 13.6 miles W of Blue River.
What county is Jefferson in?
Jefferson is in Summit County, Colorado.
What is the ZIP code of Jefferson, CO?
The ZIP code for Jefferson is 80448.
What is the nearest town to Jefferson?
Blue River, 13.6 miles away.
Are there webcams near Jefferson?
Yes. The closest is Wild Irishman › South-west: Mount Guyot Circle, 14.3 miles away.
What is the hottest month in Jefferson?
July, with an average high of 75°F (24°C).
What is the coldest month in Jefferson?
January, with an average low of 9°F (-13°C).
How much does it rain in Jefferson?
About 15.4 inches (391 mm) a year; the wettest month is July.
Does it snow in Jefferson?
Yes, about 82 inches of snow fall in an average year.
When is the best time to visit Jefferson?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Jefferson have?
Warm-summer humid continental (Köppen Dfb).
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