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Slidell, LA Weather


Slidell, LA climate is hot during summer when temperatures tend to be in the 80's and cool during winter when temperatures tend to be in the 50's.

The warmest month of the year is July with an average maximum temperature of 91.10 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 40.20 degrees Fahrenheit.

Temperature variations between night and day tend to be fairly limited during summer with a difference that can reach 18 degrees Fahrenheit, and moderate during winter with an average difference of 21 degrees Fahrenheit.

The annual average precipitation at Slidell is 62.66 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is July with an average rainfall of 6.55 Inches.

Weather Data

Weather Warnings

Dense fog advisory in effect until 9 am cst this morning .

Current Conditions

(Updated: 4:53 AM CST TUE NOV 24 2009)

Fair Fair, 48°F Humidity: 89% Dewpoint: 45°F
Wind Speed: CALM Heat Index: 48°F
Barometer: 30.11 in. Wind Chill: 48°F

Weather Forecast

(Generated: 4:02 AM CST TUE NOV 24 2009)
Hi: 70°F Today: Partly cloudy. Patchy dense fog in the morning. Highs around 70. Southeast winds to 10 mph.
Lo: 49°F
Hi: 65°F Wednesday: Partly cloudy in the morning then becoming sunny. Highs in the mid 60s. North winds 5 to 10 mph.
Lo: 41°F
Hi: 61°F Thanksgiving day: Sunny. Highs in the lower 60s. Northwest winds 5 to 15 mph.
Lo: 35°F
Hi: 61°F Friday: Sunny. Highs in the lower 60s.
Lo: 39°F
Hi: 69°F Saturday: Sunny in the morning then becoming partly cloudy. Highs in the upper 60s.
Lo: 45°F
Hi: 69°F Sunday: Partly cloudy with a 20 percent chance of rain showers. Highs in the upper 60s.
Lo: 51°F

Moon, Sunrise and Sunset

Waxing Gibbous Moon Moon Phase: Waxing Gibbous Moon Civil Twilight:
6:05 AM CST
Sunrise:
6:31 AM CST
Sunset:
4:59 PM CST
Civil Twilight:
5:25 PM CST

Normal Climate

Normal Temperatures

(SLIDELL Weather station, 0.74 miles from Slidell)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 61.2 64.3 71.0 77.2 84.2 89.3 91.1 91.0 87.6 80.0 70.9 63.6 77.6
Mean °F 50.7 53.6 60.6 66.8 74.4 80.0 82.1 81.7 78.0 68.6 60.0 52.9 67.5
Min °F 40.2 42.8 50.2 56.3 64.5 70.7 73.0 72.4 68.3 57.1 49.0 42.2 57.2

Normal Precipitation

(SLIDELL Weather station, 0.74 miles from Slidell)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 6.42 5.03 5.94 4.76 5.76 4.27 6.55 5.85 5.16 3.10 5.13 4.69 62.66