São Luís in March
6.1out of 10
Possible, with caveats
Warm and comfortable: highs around 27°C. Very wet: about 30 rainy days.
27°CAvg high
25°CAvg low
30Rainy days (439 mm)
12:01 hDaylight
06:06Sunrise · 18:07 Sunset
Why this score
- Warm and comfortable: highs around 27°C
- Very wet: about 30 rainy days
What to wear and pack
- T-shirts and light layers
- Shorts or a light skirt
- Rain jacket or compact umbrella
How reliable is the forecast?
Rainfall in March is fairly consistent from year to year (1.3 days). 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 | 28°C | 25°C | 221 mm | 25 | – | – | 6.1 |
| February | 28°C | 25°C | 305 mm | 26 | – | – | 6.1 |
| March | 27°C | 25°C | 439 mm | 30 | – | – | 6.1 |
| April | 28°C | 25°C | 416 mm | 29 | – | – | 6.1 |
| May | 28°C | 26°C | 286 mm | 27 | – | – | 6.1 |
| June | 28°C | 26°C | 153 mm | 23 | – | – | 6.1 |
| July | 29°C | 26°C | 103 mm | 20 | – | – | 6.3 |
| August | 29°C | 26°C | 28 mm | 9 | – | – | 7.9 |
| September | 29°C | 26°C | 11 mm | 3 | – | – | 8.7 |
| October | 28°C | 26°C | 13 mm | 4 | – | – | 8.6 |
| November | 28°C | 26°C | 27 mm | 7 | – | – | 8.2 |
| December | 28°C | 26°C | 73 mm | 15 | – | – | 7.1 |
Frequently asked questions
How hot is São Luís in March?
Daytime highs average 27°C and nights about 25°C.
When is the best time to visit São Luís?
The best months are September, October, November.