Average temperature in May is 29.7 °C
Average daytime temperature is 34.7 °C
Average night temperature is 25.7 °C
Absolute maximum temperature: 38.9 °C
Absolute minimum temperature: 24.2 °C
Number of sunny days: 11
Number of rainy days: 20
Number of snow days:
Precipitation sum: 123 mm
* Weather data for La Unión 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 | 34.3 | 34.9 | 35.4 | 37.6 | 38.9 | 38.1 | 38.7 | 37.6 | 36 | 35 | 34.5 | 35.1 | 33.5 | 35.4 | 36.3 | 33.5 | 33.5 | 34.2 | 35.6 | 36.3 | 35.3 | 34.9 | 33.8 | 33.4 | 32.1 | 32 | 33.1 | 33.1 | 32.6 | 32.1 | 28.7 |
| Apparent max temperature | 38.4 | 39.4 | 41.4 | 41.5 | 40.9 | 40.2 | 41.4 | 40.5 | 40.2 | 40.3 | 40.4 | 39.9 | 39.2 | 40.4 | 40.9 | 39.3 | 39.4 | 40.8 | 41.5 | 40.6 | 40.6 | 38.9 | 39.2 | 38.4 | 38.7 | 38.3 | 38.4 | 38.7 | 39.5 | 36.8 | 35.1 |
| Mean temperature | 29.4 | 30.2 | 30.6 | 31.1 | 31.2 | 31.1 | 30.6 | 30.5 | 30.6 | 30.3 | 30.1 | 29.5 | 28.9 | 30 | 30.6 | 29.6 | 29.2 | 29.9 | 29.8 | 30.7 | 30.6 | 29.7 | 29.2 | 29.1 | 28.7 | 27.5 | 28.5 | 28.9 | 29.1 | 27.8 | 26.7 |
| Apparent mean temperature | 30.5 | 33.1 | 33.5 | 33.1 | 29.8 | 28.4 | 29 | 29.6 | 30.8 | 32.3 | 31.7 | 30 | 29.7 | 28.4 | 32 | 31.9 | 30.6 | 32.4 | 29.9 | 32.8 | 33.4 | 32.5 | 28.6 | 30.9 | 30.5 | 29.8 | 29.5 | 29.6 | 31.7 | 29.4 | 30.5 |
| Minimum temperature | 25.3 | 26.4 | 26.6 | 26.5 | 26.5 | 25.8 | 25.6 | 26.1 | 26.2 | 26.1 | 26.2 | 24.6 | 24.2 | 25 | 26.4 | 26.2 | 25.5 | 26.4 | 25.2 | 26.3 | 27.2 | 26.5 | 24.6 | 25.5 | 24.8 | 24.5 | 24.8 | 25.2 | 25.6 | 24.5 | 25.2 |
| Apparent min temperature | 34.6 | 35.5 | 36.5 | 36.5 | 34.9 | 33.9 | 34.1 | 34.3 | 34.6 | 35.2 | 35.3 | 34.5 | 34.4 | 35.3 | 35.5 | 35.1 | 34.3 | 36.1 | 35.8 | 36.1 | 35.9 | 35 | 34.3 | 34.2 | 34.4 | 33.1 | 33.9 | 34.8 | 35.2 | 33.1 | 32.5 |
| 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 | 12.6 | 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 | 12.8 | 12.9 |
| Sunshine duration (h) | 11.1 | 10.5 | 11.5 | 11.4 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.7 | 10.5 | 11.4 | 11.7 | 11.7 | 11.8 | 11.8 | 11.8 | 11.8 | 10.8 | 11.8 | 11.8 | 11.8 | 10.8 | 10.1 | 10.9 | 11.3 | 9.7 | 2.9 |
| Precipitation (mm) | 8.8 | 0 | 0.7 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0 | 6.7 | 21.4 | 0.2 | 0 | 4.1 | 0.4 | 0.8 | 16.7 | 0 | 0 | 1.8 | 1 | 0.4 | 8.2 | 12.8 | 1 | 3.5 | 8.4 | 8.5 | 17.7 |
| Precipitation hours | 5 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 7 | 9 | 2 | 0 | 10 | 2 | 2 | 5 | 0 | 0 | 6 | 4 | 2 | 8 | 9 | 4 | 10 | 9 | 10 | 18 |
| Wind speed (m/s) | 10.7 | 13 | 12.5 | 16.6 | 16.5 | 15.1 | 20.9 | 18.3 | 16 | 14.2 | 15.1 | 12.1 | 12.4 | 14.3 | 15.1 | 11.7 | 13.1 | 12.3 | 14.1 | 15.3 | 17 | 16.8 | 18.7 | 14.5 | 13.7 | 11.6 | 10.4 | 9.4 | 9.2 | 13.9 | 10.5 |
In May 2023, the highest daytime temperature in La Unión was 38.9°C.
While the minimum temperature at night dropped to 24.2°C.
The average nighttime and daytime temperatures during May in La Unión are 25.7°C and 34.7°C respectively.
The precipitation sum in May is about 123 mm.