Average annual temperature is 26.4 °C
Absolute maximum temperature: 37.5 °C
Absolute minimum temperature: 19.7 °C
Number of sunny days: 16 days
Number of rainy days: 349 days
Look at detailed online map of Rockstone
* Weather data for Rockstone 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) | 29.6 | 30.6 | 31.6 | 32.9 | 31.4 | 31.4 | 31.6 | 33.9 | 36.5 | 37.5 | 35.0 | 33.8 |
| Average daytime temperature (°C) | 28.0 | 28.2 | 29.7 | 30.2 | 29.7 | 29.7 | 30.0 | 31.9 | 34.0 | 34.9 | 32.8 | 31.2 |
| Average temperature (°C) | 24.2 | 24.7 | 25.3 | 25.9 | 25.9 | 25.8 | 26.0 | 27.3 | 28.6 | 29.1 | 27.5 | 26.7 |
| Average night temperature (°C) | 21.6 | 22.1 | 21.7 | 22.7 | 23.5 | 23.3 | 23.4 | 23.9 | 24.7 | 25.2 | 24.2 | 23.6 |
| Absolute minimum temperature (°C) | 19.7 | 20.6 | 20.5 | 21.1 | 22.4 | 22.8 | 22.7 | 22.8 | 23.6 | 23.9 | 22.6 | 22.6 |
| 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 | 12.3 | 12.4 | 12.5 | 12.4 | 12.3 | 12.2 | 12.0 | 11.8 | 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) | 7.8 | 8.3 | 10.4 | 9.1 | 7.8 | 7.6 | 9.1 | 10.8 | 11.1 | 10.6 | 10.0 | 9.2 |
| Precipitation (mm) | 317 | 148 | 69 | 250 | 296 | 356 | 273 | 133 | 38 | 52 | 114 | 182 |
| Sunny days | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 3 | 5 | 4 | 1 | 0 |
| Rainy days | 31 | 28 | 30 | 28 | 31 | 30 | 31 | 28 | 25 | 27 | 29 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rockstone is at