Average annual temperature is 27.1 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: 22.0 °C
Number of sunny days: 25 days
Number of rainy days: 340 days
Look at detailed online map of Calcutta
* Weather data for Calcutta 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) | 28.5 | 28.8 | 29.5 | 30.1 | 31.0 | 31.3 | 31.2 | 32.0 | 33.1 | 33.6 | 31.9 | 30.7 |
| Average daytime temperature (°C) | 27.4 | 27.8 | 28.6 | 29.2 | 29.1 | 29.6 | 30.1 | 31.1 | 32.0 | 32.2 | 30.7 | 29.8 |
| Average temperature (°C) | 25.1 | 25.6 | 26.3 | 26.6 | 26.7 | 26.7 | 27.1 | 27.8 | 28.8 | 29.0 | 28.0 | 27.1 |
| Average night temperature (°C) | 23.2 | 23.8 | 24.6 | 24.7 | 24.6 | 24.2 | 24.3 | 25.2 | 26.6 | 27.0 | 26.2 | 24.9 |
| Absolute minimum temperature (°C) | 22.3 | 22.0 | 22.8 | 23.4 | 23.4 | 22.6 | 23.0 | 22.5 | 24.1 | 24.8 | 23.5 | 22.6 |
| 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 | 11.8 |
| 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) | 9.1 | 9.3 | 10.7 | 9.9 | 8.9 | 10.3 | 11.0 | 11.0 | 11.1 | 10.9 | 10.5 | 10.5 |
| Precipitation (mm) | 251 | 197 | 67 | 139 | 341 | 407 | 222 | 136 | 50 | 69 | 130 | 126 |
| Sunny days | 0 | 2 | 8 | 2 | 0 | 0 | 0 | 3 | 5 | 5 | 0 | 0 |
| Rainy days | 31 | 26 | 23 | 28 | 31 | 30 | 31 | 28 | 25 | 26 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Calcutta is at