Average temperature in May is 26.8 °C
Average daytime temperature is 29.5 °C
Average night temperature is 24.7 °C
Absolute maximum temperature: 31.6 °C
Absolute minimum temperature: 23.1 °C
Number of sunny days: 1
Number of rainy days: 30
Number of snow days:
Precipitation sum: 222 mm
* Weather data for São Luís Brazil is based on climate observations for 2023 year
| Maggio (°C) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperature | 28.9 | 29.1 | 28.7 | 29.2 | 29.8 | 31.1 | 31.3 | 29.8 | 30.4 | 30.5 | 28.7 | 28.9 | 28.8 | 29.5 | 29.8 | 28.7 | 28.6 | 29.6 | 28 | 29.8 | 28.9 | 31.6 | 31.6 | 27.2 | 29.7 | 29.3 | 29.3 | 29.4 | 29.3 | 29.7 | 29.6 |
| Apparent max temperature | 35.4 | 35.1 | 34.5 | 34.6 | 35.2 | 36.7 | 37.2 | 37.6 | 37.5 | 36.8 | 34.3 | 35.5 | 34.2 | 35.3 | 35.7 | 33.3 | 34.7 | 36.5 | 33.6 | 36 | 34.5 | 36.1 | 36.6 | 32.6 | 34.4 | 34.6 | 35.1 | 36.5 | 34.7 | 34.3 | 35.3 |
| Mean temperature | 26.1 | 25.7 | 26.5 | 26.7 | 27.1 | 27.4 | 27.9 | 27.5 | 27.3 | 27.6 | 27.1 | 26.6 | 26.7 | 27.1 | 27.3 | 26.2 | 25.9 | 26.7 | 25.7 | 26.7 | 26.3 | 27.8 | 27.6 | 25.6 | 26.8 | 26.6 | 26.9 | 26.2 | 27 | 27.3 | 27.1 |
| Apparent mean temperature | 29 | 27.4 | 29.2 | 29.2 | 29.7 | 29.2 | 30.4 | 30.8 | 30.6 | 31.4 | 28.9 | 29.1 | 30.2 | 30.1 | 29.2 | 29.1 | 28.6 | 29.2 | 27.7 | 28.7 | 28.7 | 30.6 | 30.1 | 27.6 | 29.8 | 28.5 | 29.7 | 28.2 | 29.9 | 29.9 | 28.5 |
| Minimum temperature | 24.1 | 23.1 | 24.8 | 24.6 | 25.2 | 24.5 | 25.2 | 25.1 | 24.9 | 26.1 | 25.5 | 24 | 24.7 | 25.2 | 24.7 | 24.4 | 23.9 | 24.6 | 23.9 | 24.7 | 24.7 | 25.6 | 24.6 | 23.6 | 25.3 | 24.5 | 25.1 | 23.8 | 25 | 25.8 | 25.2 |
| Apparent min temperature | 31.1 | 30.3 | 31.2 | 31.3 | 31.8 | 32.2 | 33.1 | 33.5 | 33.1 | 32.9 | 32 | 32.2 | 32 | 32.1 | 32.2 | 31.2 | 30.9 | 31.6 | 30.7 | 31.5 | 31.2 | 32.9 | 32.8 | 30.1 | 31.4 | 31.7 | 31.9 | 31.8 | 31.7 | 31.5 | 31.8 |
| Maggio | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight duration (h) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Sunshine duration (h) | 9.7 | 9.7 | 10 | 11 | 11.3 | 11.3 | 11.3 | 11.2 | 11.1 | 11.3 | 11.2 | 10.9 | 11 | 11 | 11.1 | 9.6 | 7.9 | 9.1 | 4.7 | 10.9 | 10.1 | 11.3 | 11.3 | 2.1 | 10.6 | 10.7 | 7.4 | 10.5 | 11 | 11.3 | 11.3 |
| Precipitation (mm) | 12.2 | 10.4 | 9.3 | 3 | 1.6 | 0.6 | 0.4 | 4.8 | 2.8 | 2.7 | 4.1 | 20.2 | 12.1 | 5.3 | 2.9 | 15.2 | 17.8 | 13 | 14.3 | 5.1 | 14.7 | 0 | 0.9 | 9.1 | 2.3 | 13.8 | 8.7 | 6.7 | 2.1 | 3 | 3.1 |
| Precipitation hours | 14 | 12 | 8 | 14 | 10 | 3 | 3 | 10 | 9 | 6 | 10 | 14 | 15 | 12 | 7 | 16 | 14 | 20 | 19 | 14 | 13 | 0 | 7 | 19 | 8 | 11 | 15 | 11 | 6 | 6 | 8 |
| Wind speed (m/s) | 13.6 | 11 | 15.2 | 18.6 | 17.1 | 16.4 | 13.3 | 12.6 | 12.8 | 13.3 | 15.9 | 11.9 | 12 | 16.6 | 16.6 | 15 | 12.8 | 17.9 | 12.5 | 15.4 | 13.8 | 17.1 | 16.6 | 15.6 | 18 | 14.3 | 14.6 | 9.7 | 15.2 | 21.3 | 16.4 |
In May 2023, the highest daytime temperature in São Luís was 31.6°C.
While the minimum temperature at night dropped to 23.1°C.
The average nighttime and daytime temperatures during May in São Luís are 24.7°C and 29.5°C respectively.
The precipitation sum in May is about 222 mm.