Average temperature in May is 27.8 °C
Average daytime temperature is 34 °C
Average night temperature is 23.7 °C
Absolute maximum temperature: 36.8 °C
Absolute minimum temperature: 22 °C
Number of sunny days: 1
Number of rainy days: 30
Number of snow days:
Precipitation sum: 157 mm
* Weather data for San Sebastián 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 | 35.5 | 33.8 | 34.3 | 36.2 | 36 | 36.8 | 36.8 | 35.9 | 35.3 | 33.9 | 32.2 | 33.4 | 34.5 | 32.7 | 33.6 | 34 | 34 | 34.7 | 35 | 36.1 | 35.2 | 34.2 | 32.5 | 33.8 | 34.2 | 32.2 | 31.9 | 33 | 32.2 | 30.8 | 30.1 |
| Apparent max temperature | 38.6 | 38.3 | 38.8 | 41.8 | 40.7 | 40.4 | 40.7 | 39.5 | 39.3 | 38.4 | 36.8 | 37.1 | 38.9 | 38.1 | 38.3 | 38.7 | 38.2 | 39.6 | 41 | 40.1 | 39 | 38.6 | 37.4 | 38 | 39.2 | 37.5 | 37.9 | 38.7 | 37.7 | 37.9 | 35.7 |
| Mean temperature | 28.4 | 27.1 | 28.1 | 29.3 | 29.2 | 29.7 | 29.6 | 29.3 | 28.5 | 27.6 | 26.7 | 28.1 | 27.2 | 27 | 28.1 | 27.9 | 27.7 | 28.3 | 28.6 | 29.2 | 28.6 | 27.7 | 27.1 | 28 | 27.5 | 26.3 | 26.5 | 26.2 | 26.6 | 25.6 | 25.2 |
| Apparent mean temperature | 25.2 | 26 | 26.9 | 26.8 | 26.7 | 25.8 | 23.8 | 27.2 | 26 | 26.9 | 27.5 | 26.8 | 26.4 | 25.9 | 25.1 | 26.4 | 25.8 | 26.1 | 26.8 | 24.7 | 25.5 | 27.3 | 26.3 | 26.7 | 26.8 | 25.7 | 25.6 | 26.3 | 25.9 | 25.1 | 26 |
| Minimum temperature | 23.6 | 23.5 | 24.2 | 25 | 25.1 | 24.7 | 23.8 | 24.9 | 24.4 | 24.1 | 23.7 | 24.3 | 23.3 | 23.2 | 23.9 | 24.2 | 23.1 | 23.9 | 24.4 | 23.7 | 24.4 | 24.3 | 23.4 | 24.4 | 23.9 | 22.3 | 22.4 | 23.2 | 22.4 | 22.3 | 22 |
| Apparent min temperature | 30.4 | 30.8 | 31.7 | 33 | 32.3 | 33 | 32.6 | 32.8 | 32.1 | 31.4 | 30.9 | 31.5 | 31 | 30.4 | 31.4 | 31.3 | 31.2 | 32 | 32.4 | 32.3 | 31.9 | 31.1 | 30.8 | 31.6 | 32 | 31.3 | 31.2 | 30.4 | 30.7 | 30.2 | 29.9 |
| 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 | 12.7 | 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 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 |
| Sunshine duration (h) | 11.9 | 8.7 | 10.9 | 11.9 | 11.8 | 11.9 | 11.7 | 12 | 12 | 11.6 | 9.7 | 11.1 | 11.1 | 11.8 | 11.9 | 11.7 | 11.9 | 11.8 | 12 | 12 | 10.1 | 11.1 | 7 | 10.6 | 11.2 | 10.3 | 11.3 | 9 | 11.1 | 8.5 | 8.4 |
| Precipitation (mm) | 0.4 | 9.3 | 2.7 | 1.3 | 1.2 | 0.5 | 0 | 2.5 | 1.4 | 1.4 | 1.1 | 0.1 | 5.6 | 0.2 | 1 | 2.2 | 0.9 | 0.8 | 1.9 | 0.5 | 4.1 | 3.8 | 5.7 | 0.8 | 2.6 | 16.6 | 3.8 | 16.6 | 11.6 | 45.8 | 11 |
| Precipitation hours | 1 | 8 | 4 | 3 | 3 | 2 | 0 | 3 | 4 | 4 | 7 | 1 | 6 | 2 | 4 | 3 | 3 | 2 | 4 | 3 | 5 | 7 | 9 | 4 | 4 | 10 | 10 | 7 | 8 | 15 | 12 |
| Wind speed (m/s) | 13.7 | 11.7 | 9.4 | 11.8 | 13.7 | 14.4 | 15.1 | 15.3 | 14 | 10.6 | 9.2 | 11.8 | 10.7 | 12.3 | 9.8 | 12.4 | 11.7 | 8.8 | 8.9 | 11.8 | 13.5 | 13.3 | 11.7 | 12.9 | 10.7 | 10.5 | 10.2 | 15 | 13.7 | 14.3 | 8.9 |
In May 2023, the highest daytime temperature in San Sebastián was 36.8°C.
While the minimum temperature at night dropped to 22°C.
The average nighttime and daytime temperatures during May in San Sebastián are 23.7°C and 34°C respectively.
The precipitation sum in May is about 157 mm.