Average annual temperature is 26.9 °C
Absolute maximum temperature: 36.1 °C
Absolute minimum temperature: 19.6 °C
Number of sunny days: 58 days
Number of rainy days: 307 days
Look at detailed online map of Duncan
* Weather data for Duncan Trinidad and Tobago is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 31.3 | 31.8 | 33.0 | 34.8 | 32.8 | 31.8 | 32.0 | 33.6 | 36.1 | 35.0 | 33.9 | 32.9 |
| Average daytime temperature (°C) | 29.4 | 30.1 | 31.3 | 31.1 | 31.4 | 30.3 | 30.7 | 31.4 | 33.6 | 33.4 | 30.6 | 30.9 |
| Average temperature (°C) | 25.2 | 25.5 | 26.4 | 26.7 | 27.4 | 26.7 | 26.7 | 27.5 | 28.6 | 28.6 | 26.7 | 26.6 |
| Average night temperature (°C) | 22.5 | 22.3 | 23.0 | 23.9 | 24.6 | 24.1 | 23.9 | 24.7 | 25.4 | 25.5 | 24.1 | 23.7 |
| Absolute minimum temperature (°C) | 20.1 | 19.6 | 21.3 | 22.8 | 23.7 | 22.4 | 22.9 | 23.3 | 24.3 | 23.5 | 22.7 | 22.9 |
| 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 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.6 | 11.8 | 12.1 | 12.4 | 12.6 | 12.7 | 12.7 | 12.5 | 12.2 | 11.9 | 11.7 | 11.5 |
| 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) | 10.0 | 10.5 | 10.6 | 9.3 | 10.7 | 10.2 | 10.3 | 10.1 | 10.7 | 10.3 | 10.0 | 10.3 |
| Precipitation (mm) | 33 | 25 | 31 | 150 | 79 | 170 | 220 | 123 | 66 | 88 | 100 | 50 |
| Sunny days | 4 | 8 | 10 | 8 | 6 | 0 | 1 | 4 | 8 | 5 | 2 | 2 |
| Rainy days | 27 | 20 | 21 | 22 | 25 | 30 | 30 | 27 | 22 | 26 | 28 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Duncan is at