Average temperature in May is 26.6 °C
Average daytime temperature is 34.3 °C
Average night temperature is 20.6 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: 19 °C
Number of sunny days: 20
Number of rainy days: 11
Number of snow days:
Precipitation sum: 29 mm
* Weather data for Unión Guatemala 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 | 36.4 | 35.7 | 35 | 33.4 | 34.6 | 33.6 | 33.4 | 33.3 | 36.5 | 36.3 | 36 | 34.5 | 35.4 | 32.6 | 32.3 | 32.8 | 35.3 | 36 | 35.1 | 33.7 | 30.5 | 31.9 | 33 | 35 | 34.2 | 34.2 | 33.6 | 34.3 | 35.6 | 34.4 | 34.4 |
| Apparent max temperature | 37 | 36.2 | 35.6 | 32.7 | 36 | 34.1 | 33.5 | 33.5 | 38.1 | 37.4 | 36.7 | 35.5 | 37.4 | 34.7 | 33.7 | 34.9 | 35.4 | 37.6 | 34 | 32.5 | 31.9 | 32.8 | 36.8 | 36.2 | 36 | 35.8 | 34.8 | 33.9 | 37.2 | 36.8 | 36.4 |
| Mean temperature | 26.2 | 27.4 | 26.9 | 27.1 | 27.1 | 26.8 | 26.3 | 26.6 | 27.1 | 27.4 | 26.2 | 26.6 | 27.8 | 25.6 | 25.7 | 25.8 | 26.4 | 27.6 | 27.8 | 26.8 | 26 | 25.5 | 25.9 | 26.7 | 26.7 | 26.9 | 26.1 | 26.2 | 27.1 | 26.9 | 26.7 |
| Apparent mean temperature | 19.5 | 22.2 | 22.1 | 21.8 | 21.8 | 19.5 | 18.9 | 19.3 | 19.9 | 21.1 | 23.2 | 21.7 | 22.3 | 21.3 | 21.1 | 22 | 20.4 | 22.3 | 21.6 | 20.4 | 23.5 | 22.6 | 22.8 | 20.9 | 21.7 | 20.7 | 19.9 | 19.8 | 22.6 | 23.1 | 22.3 |
| Minimum temperature | 19 | 21.1 | 20.9 | 20.9 | 21.4 | 20.3 | 19.8 | 20 | 20 | 20.5 | 21.9 | 20.5 | 21.2 | 19.5 | 19.9 | 20.6 | 19.2 | 21.3 | 21.7 | 20.6 | 22.4 | 21 | 20.3 | 20.3 | 20.7 | 20.4 | 20 | 19.6 | 21.2 | 22 | 20.5 |
| Apparent min temperature | 26.3 | 28 | 27.7 | 26.9 | 27.1 | 25.8 | 25 | 25.6 | 26.8 | 28 | 28.1 | 28 | 28.2 | 26.5 | 26.2 | 26.6 | 27 | 28 | 26.8 | 26.1 | 26.5 | 26.8 | 27.8 | 27.4 | 27.6 | 27.3 | 25.9 | 26.2 | 28 | 27.7 | 28.1 |
| 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) | 12.7 | 12.7 | 12.7 | 12.7 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
| Sunshine duration (h) | 11.9 | 10.9 | 11.2 | 11.9 | 12 | 12 | 12 | 12 | 12 | 12 | 11.2 | 12 | 12 | 9 | 12 | 12 | 12 | 12 | 12 | 12 | 9.8 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12.3 | 0.6 | 0 | 3.2 | 1.3 | 1.5 | 0 | 0 | 0 | 0 | 1 | 0.5 | 1.3 | 0 | 0 | 0 | 0.6 | 0 | 0.1 | 6.9 | 0 |
| Precipitation hours | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 2 | 0 | 6 | 2 | 3 | 0 | 0 | 0 | 0 | 4 | 1 | 3 | 0 | 0 | 0 | 2 | 0 | 1 | 3 | 0 |
| Wind speed (m/s) | 30.8 | 26.5 | 29 | 32.6 | 32.4 | 37 | 35.2 | 35.9 | 30.9 | 29.5 | 15.5 | 17.7 | 22.3 | 28.6 | 26.6 | 19.2 | 19.3 | 29.3 | 36.6 | 34.4 | 34.4 | 18.1 | 20.4 | 25.2 | 24.5 | 26.9 | 27 | 25.5 | 25.1 | 20.8 | 13.6 |
In May 2023, the highest daytime temperature in Unión was 36.5°C.
While the minimum temperature at night dropped to 19°C.
The average nighttime and daytime temperatures during May in Unión are 20.6°C and 34.3°C respectively.
The precipitation sum in May is about 29 mm.