Average temperature in May is 23.6 °C
Average daytime temperature is 29.5 °C
Average night temperature is 19.6 °C
Absolute maximum temperature: 33.8 °C
Absolute minimum temperature: 18.4 °C
Number of sunny days: 4
Number of rainy days: 27
Number of snow days:
Precipitation sum: 198 mm
* Weather data for Santa Tecla El Salvador is based on climate observations for 2023 year
| May (°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 | 28.7 | 27.4 | 28.9 | 32.5 | 33.2 | 33.4 | 33.8 | 32.9 | 30.2 | 29.9 | 29.4 | 28.6 | 27.2 | 27.6 | 29.4 | 28.3 | 29 | 27.6 | 31.9 | 32.5 | 31.8 | 31.1 | 29.4 | 27.4 | 27.9 | 26.7 | 29.2 | 26.9 | 28.7 | 27.7 | 26 |
| Apparent max temperature | 32 | 31.5 | 32.9 | 35 | 34.7 | 34.9 | 35.5 | 35.5 | 33.7 | 34 | 32.8 | 31.7 | 30.8 | 31.3 | 32.3 | 33.1 | 32.3 | 32 | 34.7 | 33.3 | 33.7 | 33.4 | 32.8 | 31.7 | 30.6 | 31 | 32.9 | 30.6 | 33.8 | 32.2 | 30.4 |
| Mean temperature | 23.4 | 23.6 | 23.7 | 25.3 | 25.4 | 25.3 | 25.2 | 24.7 | 24.2 | 23.8 | 23.5 | 23 | 22.6 | 22.3 | 24 | 23.4 | 23 | 23.3 | 24.4 | 25.1 | 24.7 | 24 | 23.4 | 22.9 | 22.8 | 22.2 | 23.3 | 22.4 | 23.1 | 22.1 | 21.8 |
| Apparent mean temperature | 20.5 | 24.1 | 22.1 | 22.3 | 22.7 | 21.8 | 21.5 | 20.9 | 22 | 22.1 | 22.3 | 20.7 | 21.1 | 20.7 | 21.1 | 22.3 | 20.8 | 22.8 | 22.3 | 21.1 | 21 | 20.9 | 22.1 | 22.3 | 22.3 | 21.9 | 22.2 | 22.1 | 22.4 | 21.6 | 21.6 |
| Minimum temperature | 18.6 | 21 | 19.8 | 20 | 20 | 20.1 | 19.8 | 19.7 | 19.9 | 19.7 | 19.7 | 18.4 | 18.8 | 18.6 | 19.5 | 20 | 18.7 | 19.9 | 19.8 | 20.7 | 19.8 | 19.8 | 19.5 | 19.7 | 19.4 | 19.4 | 19.2 | 19.6 | 19.5 | 19.3 | 19.1 |
| Apparent min temperature | 26.1 | 26.4 | 26.7 | 27.9 | 27.9 | 27.2 | 27.2 | 27 | 26.8 | 26.9 | 26.5 | 26 | 25.8 | 25.3 | 26 | 26.3 | 25.8 | 26.7 | 27.5 | 26.6 | 26.6 | 26 | 26.1 | 25.9 | 26 | 25.6 | 26.5 | 25.7 | 26.6 | 25.5 | 25.2 |
| May | 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) | 12.6 | 12.6 | 12.6 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.9 | 12.9 | 12.9 | 12.9 |
| Sunshine duration (h) | 11.5 | 9 | 11 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.2 | 11.9 | 11 | 11.9 | 9.3 | 11.9 | 11.9 | 11.1 | 11.9 | 11.9 | 11.9 | 11.6 | 11.9 | 11.9 | 11.9 | 10.3 | 6.1 | 11.2 | 11.1 | 10.4 | 7.9 | 9.8 |
| Precipitation (mm) | 6.6 | 13.9 | 2.3 | 0.3 | 3 | 0 | 0 | 0.2 | 3.8 | 3 | 10.8 | 9.6 | 20.1 | 19.1 | 1.6 | 8.3 | 4.3 | 5.1 | 2.4 | 0 | 0 | 1.1 | 3.8 | 5.4 | 3.8 | 16.4 | 2.1 | 12.9 | 5 | 22.3 | 11 |
| Precipitation hours | 10 | 6 | 5 | 3 | 2 | 0 | 0 | 2 | 6 | 9 | 12 | 8 | 13 | 12 | 5 | 6 | 9 | 13 | 3 | 0 | 0 | 2 | 7 | 9 | 8 | 10 | 8 | 9 | 3 | 14 | 9 |
| Wind speed (m/s) | 9.5 | 6.5 | 7.2 | 9.9 | 10.9 | 9.7 | 11 | 10.9 | 10.5 | 10.7 | 8.9 | 8.7 | 8 | 8.4 | 9.8 | 8.2 | 10.9 | 7.6 | 10.5 | 11.4 | 11.9 | 12.7 | 13.2 | 11.3 | 10.3 | 8.4 | 8.5 | 8.6 | 7.2 | 8.7 | 6.2 |
In May 2023, the highest daytime temperature in Santa Tecla was 33.8°C.
While the minimum temperature at night dropped to 18.4°C.
The average nighttime and daytime temperatures during May in Santa Tecla are 19.6°C and 29.5°C respectively.
The precipitation sum in May is about 198 mm.