Average annual temperature is 13.0 °C
Absolute maximum temperature: 22.9 °C
Absolute minimum temperature: 1.5 °C
Number of sunny days: 35 days
Number of rainy days: 330 days
Look at detailed online map of Bacaú
* Weather data for Bacaú 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) | 18.8 | 20.8 | 22.1 | 22.1 | 22.0 | 22.9 | 19.6 | 21.0 | 20.2 | 21.3 | 22.1 | 19.7 |
| Average daytime temperature (°C) | 15.9 | 15.9 | 18.1 | 19.6 | 19.9 | 20.0 | 18.2 | 18.7 | 18.9 | 18.1 | 16.9 | 16.0 |
| Average temperature (°C) | 10.6 | 10.8 | 12.5 | 13.2 | 14.2 | 14.5 | 13.8 | 14.0 | 13.9 | 13.8 | 12.8 | 11.5 |
| Average night temperature (°C) | 6.3 | 6.4 | 7.7 | 7.7 | 9.1 | 10.0 | 10.4 | 10.4 | 9.9 | 10.8 | 9.9 | 8.2 |
| Absolute minimum temperature (°C) | 3.0 | 4.0 | 5.6 | 5.1 | 7.6 | 7.3 | 7.8 | 7.3 | 7.8 | 9.4 | 7.7 | 1.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.3 | 11.6 | 12.1 | 12.5 | 12.9 | 13.0 | 13.0 | 12.6 | 12.2 | 11.8 | 11.4 | 11.2 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.8 | 10.0 | 10.8 | 11.6 | 11.5 | 10.8 | 10.0 | 9.7 | 10.1 | 8.7 | 7.4 | 8.6 |
| Precipitation (mm) | 52 | 124 | 83 | 62 | 105 | 153 | 369 | 279 | 186 | 291 | 242 | 113 |
| Sunny days | 4 | 0 | 4 | 8 | 7 | 3 | 0 | 1 | 1 | 0 | 2 | 5 |
| Rainy days | 27 | 28 | 27 | 22 | 24 | 27 | 31 | 30 | 29 | 31 | 28 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bacaú is at