Average annual temperature is 27.1 °C
Absolute maximum temperature: 38.6 °C
Absolute minimum temperature: 20.5 °C
Number of sunny days: 72 days
Number of rainy days: 293 days
Look at detailed online map of Annai
* Weather data for Annai 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) | 31.5 | 32.1 | 34.8 | 35.7 | 33.1 | 32.6 | 32.2 | 34.4 | 37.8 | 38.6 | 37.0 | 35.4 |
| Average daytime temperature (°C) | 29.6 | 30.0 | 32.8 | 32.0 | 30.5 | 30.3 | 30.3 | 32.4 | 35.3 | 35.9 | 35.2 | 33.7 |
| Average temperature (°C) | 25.0 | 25.4 | 27.1 | 26.8 | 26.0 | 25.7 | 25.6 | 27.1 | 29.0 | 29.7 | 29.4 | 28.2 |
| Average night temperature (°C) | 21.8 | 22.4 | 22.8 | 22.9 | 23.2 | 22.5 | 22.3 | 22.9 | 23.9 | 24.7 | 24.8 | 24.1 |
| Absolute minimum temperature (°C) | 20.7 | 21.1 | 21.5 | 20.5 | 22.3 | 21.2 | 21.5 | 21.7 | 21.4 | 22.6 | 23.1 | 22.7 |
| 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 | 11.9 | 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) | 9.5 | 9.4 | 10.5 | 9.2 | 8.9 | 10.0 | 10.2 | 11.1 | 11.3 | 11.0 | 10.7 | 10.0 |
| Precipitation (mm) | 109 | 114 | 28 | 162 | 262 | 304 | 348 | 122 | 31 | 39 | 29 | 68 |
| Sunny days | 5 | 4 | 13 | 5 | 0 | 0 | 1 | 6 | 13 | 16 | 5 | 4 |
| Rainy days | 26 | 24 | 18 | 25 | 31 | 30 | 30 | 25 | 17 | 15 | 25 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Annai is at