Slidell December Weather

Averages and records for weather in Slidell, Louisiana in the month of December.
Typical Slidell December Weather
1991–2020
Average daily high 63.2 °F
Average daily low 43.8 °F
Average monthly precipitation 4.9 inches
Average monthly snow none
Daily chance of precipitation 33.0%
Daily chance of snow 0%
Slidell December Weather Records
1956–2024
Highest temperature 86 °F December 5, 1961
Lowest temperature 9 °F December 23, 1989
Highest daily low 73 °F December 3, 1982
Lowest daily high 27 °F December 23, 1989
Hottest average high temperature 71.6 °F 1971
Coldest average high temperature 56.1 °F 1989
Most daily precipitation 4.8 inches December 2, 2023
Most monthly precipitation 21.2 inches 2009
Most daily snow none -
Most monthly snow none -
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
December 1 66.4 45.8 81 24
December 2 66.2 45.7 83 25
December 3 66.1 45.6 79 27
December 4 65.9 45.4 81 27
December 5 65.7 45.2 86 26
December 6 65.4 45.0 81 29
December 7 65.2 44.9 80 25
December 8 64.9 44.8 82 25
December 9 64.7 44.7 81 25
December 10 64.4 44.6 80 25
December 11 64.3 44.4 79 24
December 12 64.0 44.2 79 19
December 13 63.7 44.1 80 11
December 14 63.6 44.0 79 25
December 15 63.3 43.9 78 25
December 16 63.1 43.8 79 22
December 17 63.0 43.8 79 22
December 18 62.9 43.9 78 22
December 19 62.7 43.6 81 19
December 20 62.5 43.5 78 19
December 21 62.3 43.3 80 23
December 22 62.1 43.2 82 13
December 23 62.2 43.1 81 9
December 24 62.1 43.0 79 10
December 25 61.9 42.9 80 12
December 26 61.8 42.9 78 17
December 27 61.8 42.9 78 23
December 28 61.7 42.8 79 24
December 29 61.7 42.7 79 22
December 30 61.6 42.7 80 17
December 31 61.5 42.6 79 17
Weather Station Details
Years Station Coordinates
1956–2024 Slidell location