Average annual temperature is 25.9 °C
Absolute maximum temperature: 38.5 °C
Absolute minimum temperature: 19.2 °C
Number of sunny days: 18 days
Number of rainy days: 347 days
Look at detailed online map of Issano Terminus
* Weather data for Issano Terminus Guyana is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 30.6 | 30.9 | 32.2 | 33.6 | 32.4 | 33.1 | 32.1 | 34.4 | 37.2 | 38.5 | 33.6 | 32.7 |
| Average daytime temperature (°C) | 28.0 | 28.3 | 30.2 | 30.8 | 30.0 | 30.1 | 30.7 | 32.5 | 34.4 | 34.8 | 31.6 | 30.6 |
| Average temperature (°C) | 23.7 | 24.1 | 25.1 | 25.6 | 25.3 | 25.4 | 25.6 | 27.0 | 28.2 | 28.5 | 26.6 | 25.8 |
| Average night temperature (°C) | 21.1 | 21.5 | 21.8 | 22.5 | 22.9 | 22.7 | 22.6 | 23.2 | 23.8 | 24.4 | 23.4 | 23.0 |
| Absolute minimum temperature (°C) | 19.2 | 20.4 | 20.6 | 20.9 | 22.0 | 21.8 | 21.3 | 22.1 | 22.7 | 23.1 | 22.0 | 21.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.8 | 11.9 | 12.1 | 12.2 | 12.4 | 12.5 | 12.4 | 12.3 | 12.1 | 12.0 | 11.9 | 11.8 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 7.9 | 7.9 | 9.9 | 8.9 | 8.1 | 9.0 | 10.4 | 11.0 | 11.0 | 10.6 | 10.0 | 8.6 |
| Precipitation (mm) | 408 | 255 | 128 | 327 | 502 | 476 | 426 | 167 | 82 | 140 | 165 | 261 |
| Sunny days | 1 | 1 | 1 | 2 | 0 | 0 | 0 | 3 | 3 | 7 | 0 | 0 |
| Rainy days | 30 | 27 | 30 | 28 | 31 | 30 | 31 | 28 | 27 | 24 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Issano Terminus is at