Average annual temperature is 27.9 °C
Absolute maximum temperature: 39.9 °C
Absolute minimum temperature: 20.2 °C
Number of sunny days: 107 days
Number of rainy days: 258 days
Look at detailed online map of Sunnyside
* Weather data for Sunnyside 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) | 34.2 | 33.8 | 36.5 | 37.3 | 34.2 | 33.1 | 32.3 | 35.2 | 38.8 | 39.9 | 38.2 | 37.2 |
| Average daytime temperature (°C) | 31.2 | 31.8 | 34.6 | 33.3 | 31.3 | 30.6 | 30.7 | 33.1 | 36.2 | 36.9 | 36.6 | 35.5 |
| Average temperature (°C) | 25.8 | 26.5 | 28.5 | 27.6 | 26.4 | 25.8 | 26.0 | 27.7 | 30.0 | 30.5 | 30.6 | 29.5 |
| Average night temperature (°C) | 21.8 | 22.5 | 23.4 | 23.3 | 23.3 | 22.6 | 22.8 | 23.3 | 24.6 | 25.2 | 25.2 | 24.7 |
| Absolute minimum temperature (°C) | 20.2 | 21.6 | 21.4 | 21.0 | 22.4 | 21.6 | 21.8 | 22.3 | 22.6 | 23.1 | 23.3 | 23.4 |
| 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) | 11.9 | 12.0 | 12.1 | 12.2 | 12.3 | 12.3 | 12.3 | 12.2 | 12.1 | 12.0 | 12.0 | 11.9 |
| 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) | 9.7 | 9.8 | 10.5 | 9.3 | 8.7 | 10.0 | 9.9 | 10.9 | 11.2 | 11.0 | 11.0 | 10.6 |
| Precipitation (mm) | 164 | 120 | 42 | 229 | 236 | 258 | 312 | 112 | 28 | 25 | 15 | 24 |
| Sunny days | 8 | 5 | 12 | 7 | 2 | 0 | 1 | 10 | 18 | 21 | 15 | 8 |
| Rainy days | 23 | 23 | 19 | 23 | 29 | 30 | 30 | 21 | 12 | 10 | 15 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sunnyside is at