Jefferson Barracks, MO
Unincorporated community in St. Louis County, Missouri
Jefferson Barracks is a small unincorporated community in St. Louis County, Missouri. It is 1.8 miles W of Mehlville, the nearest town. Its ZIP code is 63125.
Jefferson Barracks at a glance
- State
- Missouri
- County
- St. Louis County
- ZIP code
- 63125
- Nearest town
- Mehlville (1.8 mi)
- Time zone
- America/Chicago
- Coordinates
- 38.5028, -90.2803
Weather in Jefferson Barracks now
Loading the National Weather Service forecast…
Jefferson Barracks weather by the hour
Jefferson Barracks weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Jefferson Barracks.
This week in Jefferson Barracks
Sunrise, sunset and moon in Jefferson Barracks
What is the weather usually like in Jefferson Barracks?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 89°F average high
- Januarycoldest month · 22°F average low
- 42.8 inprecipitation per year · 1,087 mm
- 13.8 insnowfall per year · 35 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Jefferson Barracks: May–June and September–October, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station CAHOKIA, IL US (USC00111160), adjusted for the elevation of Jefferson Barracks.
Jefferson Barracks weather month by month
Sunrise and sunset in Jefferson Barracks through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:15 AM | 5:05 PM | 9 h 50 min |
| February | 6:49 AM | 5:40 PM | 10 h 50 min |
| March | 7:10 AM | 7:09 PM | 11 h 59 min |
| April | 6:23 AM | 7:39 PM | 13 h 15 min |
| May | 5:47 AM | 8:07 PM | 14 h 19 min |
| June | 5:34 AM | 8:28 PM | 14 h 53 min |
| July | 5:48 AM | 8:26 PM | 14 h 38 min |
| August | 6:14 AM | 7:56 PM | 13 h 42 min |
| September | 6:41 AM | 7:10 PM | 12 h 29 min |
| October | 7:09 AM | 6:24 PM | 11 h 15 min |
| November | 6:41 AM | 4:49 PM | 10 h 7 min |
| December | 7:09 AM | 4:42 PM | 9 h 32 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Jefferson Barracks?
Jefferson Barracks has a hot-summer humid continental climate. The warmest month is July, with an average high of 89°F (31°C), and the coldest is January, with average lows of 22°F (-6°C).
It gets about 42.8 inches (1,087 mm) of precipitation a year. The wettest month is July and the driest is February. Snow is common: about 14 inches fall in an average year.
The best time to visit Jefferson Barracks is May–June and September–October. 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 Barracks
The closest live webcam is Oakville › South, 4.4 miles SW of Jefferson Barracks.
Webcams: Windy.com. Distances in a straight line from Jefferson Barracks.
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Map of Jefferson Barracks, MO
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Jefferson Barracks Street View
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Questions about Jefferson Barracks
Where is Jefferson Barracks, MO?
Jefferson Barracks is an unincorporated community in St. Louis County, Missouri, 1.8 miles W of Mehlville.
What county is Jefferson Barracks in?
Jefferson Barracks is in St. Louis County, Missouri.
What is the ZIP code of Jefferson Barracks, MO?
The ZIP code for Jefferson Barracks is 63125.
What is the nearest town to Jefferson Barracks?
Mehlville, 1.8 miles away.
Are there webcams near Jefferson Barracks?
Yes. The closest is Oakville › South, 4.4 miles away.
What is the hottest month in Jefferson Barracks?
July, with an average high of 89°F (31°C).
What is the coldest month in Jefferson Barracks?
January, with an average low of 22°F (-6°C).
How much does it rain in Jefferson Barracks?
About 42.8 inches (1,087 mm) a year; the wettest month is July.
Does it snow in Jefferson Barracks?
Yes, about 14 inches of snow fall in an average year.
When is the best time to visit Jefferson Barracks?
May–June and September–October, when temperatures are most pleasant and rainy days are fewer.
What climate does Jefferson Barracks have?
Hot-summer humid continental (Köppen Dfa).
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