Slidell, MD
Unincorporated community in Montgomery County, Maryland
Slidell is a small unincorporated community in Montgomery County, Maryland. It is 1.6 miles E of Ten Mile Creek, the nearest town. Its ZIP code is 20838.
Slidell at a glance
- State
- Maryland
- County
- Montgomery County
- ZIP code
- 20838
- Nearest town
- Ten Mile Creek (1.6 mi)
- Time zone
- America/New York
- Coordinates
- 39.2194, -77.3322
Weather in Slidell now
Loading the National Weather Service forecast…
Slidell weather by the hour
Slidell weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Slidell.
This week in Slidell
Sunrise, sunset and moon in Slidell
What is the weather usually like in Slidell?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 84°F average high
- Januarycoldest month · 24°F average low
- 47.9 inprecipitation per year · 1,216 mm
- 31.4 insnowfall per year · 80 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Slidell: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station DAMASCUS 3 SSW, MD US (USC00182336), adjusted for the elevation of Slidell.
Slidell weather month by month
Sunrise and sunset in Slidell through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:25 AM | 5:12 PM | 9 h 46 min |
| February | 6:59 AM | 5:47 PM | 10 h 48 min |
| March | 7:18 AM | 7:17 PM | 11 h 58 min |
| April | 6:30 AM | 7:48 PM | 13 h 17 min |
| May | 5:54 AM | 8:17 PM | 14 h 23 min |
| June | 5:40 AM | 8:38 PM | 14 h 58 min |
| July | 5:54 AM | 8:36 PM | 14 h 42 min |
| August | 6:21 AM | 8:06 PM | 13 h 45 min |
| September | 6:49 AM | 7:19 PM | 12 h 29 min |
| October | 7:17 AM | 6:32 PM | 11 h 14 min |
| November | 6:51 AM | 4:56 PM | 10 h 4 min |
| December | 7:20 AM | 4:48 PM | 9 h 28 min |
Times for the 15th of each month, local time (America/New York).
What is the weather like in Slidell?
Slidell has a hot-summer humid continental climate. The warmest month is July, with an average high of 84°F (29°C), and the coldest is January, with average lows of 24°F (-4°C).
It gets about 47.9 inches (1,216 mm) of precipitation a year. The wettest month is September and the driest is February. Snow is common: about 31 inches fall in an average year.
The best time to visit Slidell is May–June and August–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 Slidell
The closest live webcam is University Center: VA-7 - EB - VA-28, 13.1 miles SW of Slidell.
Webcams: Windy.com. Distances in a straight line from Slidell.
Do you know Slidell? Tell us about it
Help other travelers: share what makes Slidell special. We review every message before publishing it.
Map of Slidell, MD
Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Slidell Street View
Drag the image to look around and tap the arrows on the ground to move. If it says there is no imagery, tap a nearby street on the map above.
Open in Google Maps ›Towns near Slidell
Other communities near Slidell
Questions about Slidell
Where is Slidell, MD?
Slidell is an unincorporated community in Montgomery County, Maryland, 1.6 miles E of Ten Mile Creek.
What county is Slidell in?
Slidell is in Montgomery County, Maryland.
What is the ZIP code of Slidell, MD?
The ZIP code for Slidell is 20838.
What is the nearest town to Slidell?
Ten Mile Creek, 1.6 miles away.
Are there webcams near Slidell?
Yes. The closest is University Center: VA-7 - EB - VA-28, 13.1 miles away.
What is the hottest month in Slidell?
July, with an average high of 84°F (29°C).
What is the coldest month in Slidell?
January, with an average low of 24°F (-4°C).
How much does it rain in Slidell?
About 47.9 inches (1,216 mm) a year; the wettest month is September.
Does it snow in Slidell?
Yes, about 31 inches of snow fall in an average year.
When is the best time to visit Slidell?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does Slidell have?
Hot-summer humid continental (Köppen Dfa).
Last updated: