Average annual temperature is 27.0 °C
Absolute maximum temperature: 34.6 °C
Absolute minimum temperature: 21.9 °C
Number of sunny days: 24 days
Number of rainy days: 341 days
Look at detailed online map of Nismes
* Weather data for Nismes 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) | 28.3 | 28.7 | 29.0 | 30.0 | 30.3 | 30.5 | 31.1 | 32.5 | 33.6 | 34.6 | 31.5 | 31.0 |
| Average daytime temperature (°C) | 27.2 | 27.5 | 28.2 | 28.8 | 28.8 | 29.1 | 29.8 | 30.8 | 31.8 | 32.0 | 30.5 | 29.6 |
| Average temperature (°C) | 25.1 | 25.7 | 26.2 | 26.5 | 26.6 | 26.6 | 27.0 | 27.8 | 28.7 | 28.9 | 28.0 | 27.2 |
| Average night temperature (°C) | 23.3 | 24.1 | 24.5 | 24.7 | 24.8 | 24.4 | 24.4 | 25.0 | 26.4 | 26.7 | 26.0 | 25.0 |
| Absolute minimum temperature (°C) | 21.9 | 22.5 | 22.0 | 23.2 | 23.5 | 22.5 | 23.0 | 23.5 | 23.7 | 24.3 | 23.0 | 23.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 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 | 12.3 | 12.4 | 12.5 | 12.5 | 12.3 | 12.2 | 12.0 | 11.8 | 11.7 |
| 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) | 9.2 | 9.7 | 10.9 | 9.9 | 9.1 | 10.4 | 11.3 | 11.1 | 11.2 | 11.0 | 10.5 | 10.4 |
| Precipitation (mm) | 244 | 170 | 64 | 157 | 306 | 342 | 246 | 134 | 60 | 87 | 135 | 133 |
| Sunny days | 1 | 2 | 7 | 2 | 0 | 0 | 0 | 1 | 3 | 5 | 3 | 0 |
| Rainy days | 30 | 26 | 24 | 28 | 31 | 30 | 31 | 30 | 27 | 26 | 27 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Nismes is at