Weather Averages for Slidell, LA

7-day Forecast / 10-day Forecast

Latitude: 30°15'N, Longitude: 89°46'W, Elevation: 10.0 ft, Distance: 1.63 mi Slidell, LA Averages »

	Unit	Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average temperature over 30 years	°F	67	50	53	60	67	74	79	81	81	77	68	60	53
Average high temperature over 30 years	°F	77	60	63	70	78	84	89	91	90	87	80	71	63
Average low temperature over 30 years	°F	56	39	42	49	57	64	69	72	71	67	56	48	42
Average precipitation over 30 years	in	59.6	5.3	5.5	5.5	4.3	4.8	4.5	6.2	5.8	5.1	3.0	4.2	5.5
Heating degree days over 30 years	days	1674	477	342	181	41	-	-	-	-	-	50	195	388
Cooling degree days over 30 years	days	2527	18	12	32	122	285	444	521	502	378	149	45	19

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