Average annual temperature is 25.7 °C
Absolute maximum temperature: 37.8 °C
Absolute minimum temperature: 19.5 °C
Number of sunny days: 18 days
Number of rainy days: 347 days
Look at detailed online map of Cuyuni-Mazaruni Region
* Weather data for Cuyuni-Mazaruni Region 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) | 30.5 | 30.5 | 32.5 | 33.5 | 32.2 | 33.1 | 32.5 | 34.5 | 36.2 | 37.8 | 33.7 | 32.5 |
| Average daytime temperature (°C) | 28.1 | 28.2 | 30.5 | 31.0 | 30.3 | 30.4 | 31.1 | 32.6 | 34.2 | 34.7 | 31.7 | 30.6 |
| Average temperature (°C) | 23.5 | 23.8 | 25.1 | 25.6 | 25.3 | 25.2 | 25.5 | 26.8 | 27.9 | 28.2 | 26.4 | 25.6 |
| Average night temperature (°C) | 21.0 | 21.5 | 21.9 | 22.5 | 22.7 | 22.4 | 22.3 | 22.8 | 23.5 | 24.1 | 23.2 | 22.7 |
| Absolute minimum temperature (°C) | 19.5 | 20.1 | 20.4 | 21.0 | 22.0 | 21.7 | 21.3 | 21.5 | 21.9 | 22.8 | 22.0 | 21.3 |
| 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 | 12.4 | 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) | 8.1 | 7.7 | 9.8 | 9.1 | 8.4 | 9.6 | 10.8 | 11.0 | 11.3 | 11.0 | 10.5 | 9.7 |
| Precipitation (mm) | 474 | 346 | 183 | 302 | 502 | 510 | 444 | 258 | 95 | 150 | 217 | 311 |
| Sunny days | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 3 | 4 | 8 | 0 | 0 |
| Rainy days | 31 | 27 | 30 | 29 | 31 | 30 | 31 | 28 | 26 | 23 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Cuyuni-Mazaruni Region is at