Saint-Louis in May
6.8out of 10
Possible, with caveats
Warm and comfortable: highs around 22°C. Very wet: about 17 rainy days.
22°CAvg high
17°CAvg low
17Rainy days (86 mm)
10:59 hDaylight
06:45Sunrise · 17:44 Sunset
Why this score
- Warm and comfortable: highs around 22°C
- Very wet: about 17 rainy days
What to wear and pack
- T-shirts and light layers
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in May varies a lot between years (±3.8 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 25°C | 21°C | 278 mm | 24 | – | – | 6.1 |
| February | 25°C | 21°C | 266 mm | 23 | – | – | 6.1 |
| March | 25°C | 20°C | 211 mm | 21 | – | – | 6.1 |
| April | 24°C | 19°C | 92 mm | 18 | – | – | 6.6 |
| May | 22°C | 17°C | 86 mm | 17 | – | – | 6.8 |
| June | 20°C | 15°C | 50 mm | 14 | – | – | 7.0 |
| July | 19°C | 14°C | 49 mm | 14 | – | – | 6.8 |
| August | 20°C | 14°C | 45 mm | 13 | – | – | 7.1 |
| September | 21°C | 15°C | 45 mm | 12 | – | – | 7.3 |
| October | 22°C | 16°C | 56 mm | 13 | – | – | 7.3 |
| November | 24°C | 18°C | 96 mm | 17 | – | – | 6.8 |
| December | 25°C | 19°C | 175 mm | 22 | – | – | 6.1 |
Frequently asked questions
How hot is Saint-Louis in May?
Daytime highs average 22°C and nights about 17°C.
When is the best time to visit Saint-Louis?
The best months are September, October, August, June.