De Lassus, MO
Unincorporated community in St. Francois County, Missouri
De Lassus is a small unincorporated community in St. Francois County, Missouri. It is 2.0 miles NE of Farmington, the nearest town. Its ZIP code is 63640.
De Lassus at a glance
- State
- Missouri
- County
- St. Francois County
- ZIP code
- 63640
- Nearest town
- Farmington (2.0 mi)
- Time zone
- America/Chicago
- Coordinates
- 37.7644, -90.4556
Weather in De Lassus now
Loading the National Weather Service forecast…
De Lassus weather by the hour
De Lassus weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of De Lassus.
This week in De Lassus
Sunrise, sunset and moon in De Lassus
What is the weather usually like in De Lassus?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 89°F average high
- Januarycoldest month · 23°F average low
- 45.2 inprecipitation per year · 1,147 mm
- 8.7 insnowfall per year · 22 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit De Lassus: May–June and September–October, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station FARMINGTON, MO US (USC00232809), adjusted for the elevation of De Lassus.
De Lassus weather month by month
Sunrise and sunset in De Lassus through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:14 AM | 5:08 PM | 9 h 53 min |
| February | 6:49 AM | 5:42 PM | 10 h 52 min |
| March | 7:11 AM | 7:10 PM | 11 h 59 min |
| April | 6:24 AM | 7:38 PM | 13 h 13 min |
| May | 5:50 AM | 8:06 PM | 14 h 15 min |
| June | 5:37 AM | 8:26 PM | 14 h 49 min |
| July | 5:50 AM | 8:24 PM | 14 h 34 min |
| August | 6:16 AM | 7:56 PM | 13 h 39 min |
| September | 6:42 AM | 7:11 PM | 12 h 28 min |
| October | 7:09 AM | 6:25 PM | 11 h 16 min |
| November | 6:40 AM | 4:52 PM | 10 h 11 min |
| December | 7:08 AM | 4:45 PM | 9 h 37 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in De Lassus?
De Lassus has a humid subtropical climate. The warmest month is July, with an average high of 89°F (31°C), and the coldest is January, with average lows of 23°F (-5°C).
It gets about 45.2 inches (1,147 mm) of precipitation a year. The wettest month is May and the driest is January. Snow is common: about 9 inches fall in an average year.
The best time to visit De Lassus 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 De Lassus
The closest live webcam is Perryville, 32.5 miles E of De Lassus.
Webcams: Windy.com. Distances in a straight line from De Lassus.
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Map of De Lassus, MO
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De Lassus Street View
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Questions about De Lassus
Where is De Lassus, MO?
De Lassus is an unincorporated community in St. Francois County, Missouri, 2.0 miles NE of Farmington.
What county is De Lassus in?
De Lassus is in St. Francois County, Missouri.
What is the ZIP code of De Lassus, MO?
The ZIP code for De Lassus is 63640.
What is the nearest town to De Lassus?
Farmington, 2.0 miles away.
Are there webcams near De Lassus?
Yes. The closest is Perryville, 32.5 miles away.
What is the hottest month in De Lassus?
July, with an average high of 89°F (31°C).
What is the coldest month in De Lassus?
January, with an average low of 23°F (-5°C).
How much does it rain in De Lassus?
About 45.2 inches (1,147 mm) a year; the wettest month is May.
Does it snow in De Lassus?
Yes, about 9 inches of snow fall in an average year.
When is the best time to visit De Lassus?
May–June and September–October, when temperatures are most pleasant and rainy days are fewer.
What climate does De Lassus have?
Humid subtropical (Köppen Cfa).
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