Slidell Weather in December

December in Slidell brings pleasant temperatures, with highs of 18°C (64°F) and nights dropping to 7°C (45°F). Rainfall is on the higher side this month, averaging around 158 mm (6.2 in), so keep a rain jacket handy.

Rainfall in Slidell in December

Typically, you can expect about 12 days of rain this month, with 158 mm (6.2 in) on average. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Slidell in December

Daytime highs in Slidell in December reach 18°C (64°F), with nights around 7°C (45°F). This month falls in the winter season. Even when the weather is stable, mornings and evenings can still feel distinctly cool. At 7°C (45°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Slidell in December

The city usually sees around 157 hours of sunlight, indicating a moderately sunny period.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. October and November typically offer the best weather for Slidell.

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Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit the United States of America, check out our Slidell's climate page.

Slidell Temperature in December

Min Temperature 7°C (45°F)

Max Temperature 18°C (64°F)

Chance of Rain 39%

Precipitation 158 mm (6.2 in)

Rainy days 12 days

Humidity 76% *

Sunshine 157 hours *

Percentage Sunshine 50% *

* Data from: New Orleans, the United States of America (55 KM, 34 Miles).

Best Places in the United States of America in December

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in December →

Weather conditions Weather

Temperatures

Precipitation

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Legend

perfect weather

pleasant

tolerable

unpleasant

poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Slidell in December

Pleasant temperatures in December mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Slidell in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Camping

3/10

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit the United States of America, check out our Slidell's climate page.