Average annual temperature is 26.7 °C
Absolute maximum temperature: 38.6 °C
Absolute minimum temperature: 13.1 °C
Number of sunny days: 144 days
Number of rainy days: 221 days
Look at detailed online map of Guantánamo
* Weather data for Guantánamo Cuba is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 33.6 | 33.5 | 34.4 | 34.4 | 34.7 | 34.7 | 38.6 | 37.5 | 37.1 | 35.7 | 33.7 | 32.3 |
| Average daytime temperature (°C) | 30.8 | 32.1 | 32.3 | 31.9 | 31.3 | 31.7 | 35.8 | 35.1 | 35.4 | 33.3 | 31.1 | 29.6 |
| Average temperature (°C) | 24.3 | 25.3 | 25.8 | 25.9 | 26.6 | 27.3 | 29.4 | 29.0 | 28.6 | 27.3 | 26.0 | 24.5 |
| Average night temperature (°C) | 19.3 | 19.9 | 20.1 | 21.1 | 22.9 | 23.6 | 24.2 | 24.6 | 24.0 | 23.4 | 22.2 | 20.6 |
| Absolute minimum temperature (°C) | 13.1 | 17.0 | 17.6 | 17.7 | 21.3 | 21.9 | 22.4 | 23.1 | 22.8 | 20.5 | 19.0 | 17.2 |
| 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 | 13.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.1 | 11.5 | 12.0 | 12.6 | 13.1 | 13.3 | 13.2 | 12.8 | 12.3 | 11.7 | 11.2 | 10.9 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 11.0 | 10.0 |
| Sunshine mean duration (h) | 10.2 | 10.5 | 10.9 | 11.4 | 10.4 | 10.2 | 11.7 | 11.3 | 10.5 | 9.9 | 9.5 | 9.4 |
| Precipitation (mm) | 8 | 5 | 4 | 62 | 124 | 131 | 24 | 86 | 64 | 122 | 134 | 39 |
| Sunny days | 19 | 22 | 22 | 10 | 3 | 6 | 14 | 9 | 2 | 5 | 10 | 22 |
| Rainy days | 12 | 6 | 9 | 20 | 28 | 24 | 17 | 22 | 28 | 26 | 20 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Guantánamo is at