Climate averages 1991–2020
São Luís weather
in February.
A hot, very wet month: the joint 10th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
February is a hot month in São Luís: daytime highs average 28.3°C and nights cool to about 24.4°C. By daytime temperature it is the joint 10th warmest of the 12 months.
Expect about 305 mm of rain on roughly 26 days, which makes February a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 12 min on an average February day.
The nearest other city in this atlas is São José de Ribamar (27 km away). In February its highs average 28.0°C, about as warm as São Luís, with 319 mm of rain.
Among the 448 cities listed in Brazil, São Luís ranks joint 252nd of 448 for the warmest February highs and 426th of 448 for the driest February (rainfall, lowest first). The mean February high of those 448 cities is 28.5°C; São Luís is 0.2°C cooler than that mean.
From February to March, average highs fall by 0.2°C to 28.1°C, and monthly rainfall rises from 305 mm to 440 mm.
The annual picture
February in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
São Luís climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.0°C24.7°C | 24.7°C | 221 | 25.4 | 12.212 h |
| February, selected | 28.3°C24.4°C | 24.4°C | 305 | 26.3 | 12.212 h |
| March | 28.1°C24.2°C | 24.2°C | 440 | 30.3 | 12.112 h |
| April | 28.3°C24.3°C | 24.3°C | 414 | 28.8 | 12.112 h |
| May | 28.8°C24.6°C | 24.6°C | 286 | 26.9 | 12.012 h |
| June | 29.1°C24.7°C | 24.7°C | 153 | 23.0 | 12.012 h |
| July | 29.3°C24.7°C | 24.7°C | 103 | 20.0 | 12.012 h |
| August | 30.6°C25.3°C | 25.3°C | 28 | 9.0 | 12.012 h |
| September | 31.2°C25.5°C | 25.5°C | 11 | 3.2 | 12.112 h |
| October | 31.2°C25.7°C | 25.7°C | 13 | 3.6 | 12.212 h |
| November | 30.9°C25.7°C | 25.7°C | 27 | 6.8 | 12.212 h |
| December | 30.4°C25.5°C | 25.5°C | 73 | 15.2 | 12.312 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
February in nearby cities
- São José de Ribamar in FebruaryBrazil · 27 kmHigh 28.0°C · Low 24.7°C · 319 mm rain
- Pinheiro in FebruaryBrazil · 87 kmHigh 29.4°C · Low 23.5°C · 260 mm rain
- Chapadinha in FebruaryBrazil · 171 kmHigh 30.0°C · Low 23.1°C · 253 mm rain
- Santa Inês in FebruaryBrazil · 174 kmHigh 29.6°C · Low 23.4°C · 278 mm rain
- Bacabal in FebruaryBrazil · 197 kmHigh 29.8°C · Low 23.2°C · 270 mm rain
- Codó in FebruaryBrazil · 219 kmHigh 29.8°C · Low 22.9°C · 252 mm rain
- Caxias in FebruaryBrazil · 279 kmHigh 29.8°C · Low 22.9°C · 274 mm rain
- Parnaíba in FebruaryBrazil · 284 kmHigh 29.4°C · Low 24.7°C · 172 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for São Luís) is explained once on the São Luís year overview and on the Sources, method and limits page.