Average annual temperature is 25.2 °C
Absolute maximum temperature: 39.8 °C
Absolute minimum temperature: 12.9 °C
Number of sunny days: 73 days
Number of rainy days: 292 days
Look at detailed online map of Arroyo Santa María
* Weather data for Arroyo Santa María Guatemala is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 30.7 | 31.0 | 34.4 | 39.7 | 37.8 | 39.8 | 32.7 | 33.1 | 32.3 | 34.8 | 30.5 | 30.6 |
| Average daytime temperature (°C) | 27.3 | 27.6 | 31.3 | 34.4 | 34.5 | 35.9 | 30.9 | 31.1 | 31.0 | 30.1 | 27.3 | 25.9 |
| Average temperature (°C) | 22.3 | 22.7 | 25.4 | 27.4 | 27.9 | 29.2 | 25.6 | 25.9 | 25.5 | 25.3 | 23.6 | 22.1 |
| Average night temperature (°C) | 18.8 | 19.1 | 20.9 | 22.2 | 23.0 | 24.1 | 22.3 | 22.4 | 22.0 | 21.9 | 21.2 | 19.6 |
| Absolute minimum temperature (°C) | 12.9 | 15.7 | 19.2 | 19.4 | 21.1 | 22.2 | 20.9 | 21.3 | 21.0 | 19.4 | 19.3 | 13.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.3 | 11.6 | 12.0 | 12.5 | 12.9 | 13.1 | 13.0 | 12.7 | 12.2 | 11.8 | 11.4 | 11.2 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.2 | 9.4 | 10.7 | 11.2 | 11.3 | 11.0 | 9.2 | 9.8 | 10.3 | 9.4 | 6.9 | 6.9 |
| Precipitation (mm) | 88 | 125 | 39 | 43 | 88 | 136 | 360 | 311 | 411 | 335 | 537 | 224 |
| Sunny days | 11 | 3 | 13 | 15 | 9 | 10 | 0 | 0 | 0 | 3 | 4 | 5 |
| Rainy days | 20 | 25 | 18 | 15 | 22 | 20 | 31 | 31 | 30 | 28 | 26 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Arroyo Santa María is at