Saint-Louis (SN) in December
In December, Saint-Louis (SN) averages 32°C (89°F) during the day and 20°C (68°F) at night, with only about 0 rainy days.
High seasonConditions are warm and beach-friendly. Skies are generally dry and clear.
December in Saint-Louis (SN) is outside the typical sweet spot for sightseeing weather. It can still be a great time to visit if you have specific reasons (festivals, off-season pricing, etc.).
How December compares to the rest of the year in Saint-Louis (SN)
December is one of the warmest months in Saint-Louis (SN) (3rd of 12) and one of the driest months (12th of 12). Daytime temperature runs 1°C above the annual average (31°C). December runs 2°C cooler than November (34°C) and cools 1°C in January (30°C).
December sunrise & sunset in Saint-Louis (SN)
Times shown for Saint-Louis (SN) local time (Africa/Dakar), calculated for the 15th of December. They shift by a few minutes day to day across the month.
Photography light in Saint-Louis (SN) — December
Golden-hour and blue-hour windows for the 15th of December, in Saint-Louis (SN)'s local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Saint-Louis (SN) in December
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on December's tier (High season) and Saint-Louis (SN)'s popularity.
Crowds & pricing — December in Saint-Louis (SN)
This is a busy month in Saint-Louis (SN) — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: comfortable tourism weather Christmas / New Year travel surge
Sun & mosquito risk — December in Saint-Louis (SN)
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Saint-Louis (SN) in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 30°C / 87°F | 19°C / 66°F | 1 mm | 0 | — |
| February | 30°C / 86°F | 19°C / 67°F | 0 mm | 0 | — |
| March | 30°C / 87°F | 19°C / 67°F | 0 mm | 0 | — |
| April | 30°C / 86°F | 20°C / 68°F | 0 mm | 0 | — |
| May | 29°C / 84°F | 21°C / 69°F | 1 mm | 0 | — |
| June | 30°C / 85°F | 23°C / 73°F | 4 mm | 1 | — |
| July | 30°C / 85°F | 25°C / 76°F | 16 mm | 3 | — |
| August | 30°C / 86°F | 26°C / 78°F | 58 mm | 8 | — |
| September | 31°C / 89°F | 26°C / 79°F | 60 mm | 9 | — |
| October | 33°C / 92°F | 26°C / 78°F | 9 mm | 2 | — |
| November | 34°C / 92°F | 23°C / 73°F | 0 mm | 0 | — |
| December | 32°C / 89°F | 20°C / 68°F | 0 mm | 0 | — |
Other cities with similar December weather
🌍 See the full ranked list of climate twins for Saint-Louis (SN) in December →
Frequently asked questions
How hot is Saint-Louis (SN) in December?
In December, Saint-Louis (SN) averages a high of 32°C (89°F) and a low of 20°C (68°F) — generally hot.
Does it rain a lot in Saint-Louis (SN) in December?
December is generally dry in Saint-Louis (SN), with about 0 rainy days on average.
Is December a good time to visit Saint-Louis (SN)?
December is hot and mostly dry. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Saint-Louis (SN) in December?
Pack lightweight, breathable clothing, sunglasses and sunscreen. See the full December packing list for Saint-Louis (SN) for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.