Saint-Louis (SN) in May

In May, Saint-Louis (SN) averages 29°C (84°F) during the day and 21°C (69°F) at night, with only about 0 rainy days.

High season

Conditions are warm and beach-friendly. Skies are generally dry and clear.

May is a great month to visit Saint-Louis (SN): pleasant temperatures and relatively few wet days.

29°C
Avg high
21°C
Avg low
0
Rain days
1 mm
Rainfall

How May compares to the rest of the year in Saint-Louis (SN)

12th
warmest month of the 12
10th
wettest month of the 12
1%
of yearly rainfall falls in May
12 h 52 min
daylight on the 15th

May is one of the coolest months in Saint-Louis (SN) (12th of 12) and one of the driest months (10th of 12). Daytime temperature runs 2°C below the annual average (31°C). May runs 1°C cooler than April (30°C) and warms a further 1°C into June (30°C).

May sunrise & sunset in Saint-Louis (SN)

🌅
Sunrise (15th)
6:36 AM
🌇
Sunset (15th)
7:28 PM
Day length
12 h 52 min

Times shown for Saint-Louis (SN) local time (Africa/Dakar), calculated for the 15th of May. They shift by a few minutes day to day across the month.

Photography light in Saint-Louis (SN) — May

Golden-hour and blue-hour windows for the 15th of May, in Saint-Louis (SN)'s local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
5:36 AM – 6:16 AM
🌄 Golden hour (AM)
6:16 AM – 7:16 AM
🌇 Golden hour (PM)
6:48 PM – 7:48 PM
🌆 Blue hour (PM)
7:48 PM – 8:28 PM
Milky Way galactic core
Good
Galactic core is up but lower on the horizon; head well outside city limits for a clean view.

📅 When to book — Saint-Louis (SN) in May

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 May's tier (High season) and Saint-Louis (SN)'s popularity.

✈ Flights — lead time
2-3 months
Prices are above off-season but not the absolute peak. Tuesday/Wednesday departures are usually cheaper than weekend ones.
🏨 Lodging — lead time
2-3 months
Wide selection still available at this lead time. Premium properties book first; consider 'last-minute deal' availability at 2-week mark if your dates are flexible.

Crowds & pricing — May in Saint-Louis (SN)

High season

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: excellent tourism weather

Sun & mosquito risk — May in Saint-Louis (SN)

☀️ UV Index (noon, 15th)
13
Extreme
Stay indoors during midday hours; SPF 50+ even briefly outside, UPF clothing, wide-brim hat, sunglasses essential.
🦟 Mosquito risk
●●●●○
High
Peak mosquito activity. DEET 30%+, long sleeves at dawn/dusk, sleep under nets if rural. Check current dengue/malaria advisories for the destination.

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

MonthAvg highAvg lowRainfallRain daysSnow 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 May weather

🌍 See the full ranked list of climate twins for Saint-Louis (SN) in May →

Frequently asked questions

How hot is Saint-Louis (SN) in May?

In May, Saint-Louis (SN) averages a high of 29°C (84°F) and a low of 21°C (69°F) — generally warm.

Does it rain a lot in Saint-Louis (SN) in May?

May is generally dry in Saint-Louis (SN), with about 0 rainy days on average.

Is May a good time to visit Saint-Louis (SN)?

May is warm and mostly dry. It suits travelers who are comfortable with warm 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 May?

Pack lightweight, breathable clothing, sunglasses and sunscreen. See the full May packing list for Saint-Louis (SN) for a complete, climate-based checklist.

Open Saint-Louis (SN) on the interactive map

Check the live 10-day forecast and sunrise/sunset.