Saint-Louis weather in May
Senegal
May in Saint-Louis: warm, dry — an excellent time to visit.
#6 of 12 months in Saint-Louis · #592 of 1383 destinations to visit in May · comfort 82/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Saint-Louis in May
No notes yet. Open Saint-Louis on the map to add the first one.
Saint-Louis climate normals — May
| Daytime high | 28°C / 83°F | 🌤 warm |
|---|---|---|
| Nighttime low | 21°C / 69°F | |
| Sea temperature | 22°C / 71°F | 🌊 fresh |
| Rainfall | 0 mm / 0 in | ☀️ dry |
| Rainy days | 0 days | |
| Humidity | 64% | 💧 humid |
| Dew point | 17°C / 63°F | |
| Sunshine | 11.9 h/day | |
| Daylight | 12.9 h | |
| Wind | 24 km/h / 15 mph | |
| Air quality (US AQI) | 97 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Saint-Louis in May
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Peak crowdsTabaski, Saint-Louis Jazz, school holidays in 3 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Saint-Louis's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherSaint-Louis's best weather comes in January, March and April — separate windows, not one continuous season.
Best weatherFair weatherToughest weather
What's on in Saint-Louis in May
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Holiday
Tabaski
5 May – 5 Jun · usuallyRamadan & EidClosuresCrowdedEid al-Adha shuts the town for a couple of days and sends everyone home to family. Sheep occupy the vacant ground on the mainland side for weeks beforehand and prices rise with them. Source ↗
- Festival
Saint-Louis Jazz
13–17 MayMajor festivalCrowdedBook earlyWest Africa's longest-running jazz festival takes over the island for five nights in May, with the free off-programme in the streets doing as much work as the main stage. Rooms on the island go early. Source ↗
Where is Saint-Louis?
Saint-Louis in May — FAQ
- Is May a good time to visit Saint-Louis?
- May in Saint-Louis: warm, dry — an excellent time to visit. It ranks #6 of 12 months for Saint-Louis on SeasonMap's comfort score (82/100).
- What is the weather like in Saint-Louis in May?
- In May, Saint-Louis averages a daily high of 28.4°C and a low of 20.7°C, with about 0.2 mm of rain over roughly 0 rainy days.
- What is the air quality in Saint-Louis in May?
- Saint-Louis has a mean US Air Quality Index of about 97 in May.