Average annual temperature is 21.0 °C
Absolute maximum temperature: 39.0 °C
Absolute minimum temperature: 6.1 °C
Number of sunny days: 186 days
Number of rainy days: 179 days
Look at detailed online map of Calcutta
* Weather data for Calcutta South Africa is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 33.8 | 31.3 | 33.7 | 34.7 | 29.9 | 31.1 | 27.9 | 36.5 | 39.0 | 36.8 | 38.2 | 35.1 |
| Average daytime temperature (°C) | 29.6 | 27.7 | 27.9 | 27.8 | 25.1 | 25.9 | 22.5 | 25.4 | 30.2 | 28.1 | 30.3 | 28.6 |
| Average temperature (°C) | 24.2 | 23.2 | 22.9 | 21.2 | 18.9 | 17.7 | 15.4 | 18.0 | 22.2 | 21.6 | 23.8 | 23.4 |
| Average night temperature (°C) | 19.2 | 20.2 | 18.3 | 15.2 | 13.8 | 10.9 | 9.4 | 10.9 | 14.5 | 15.6 | 17.6 | 18.7 |
| Absolute minimum temperature (°C) | 14.7 | 16.3 | 13.6 | 11.5 | 9.9 | 8.4 | 6.1 | 7.2 | 10.0 | 11.2 | 11.7 | 13.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.5 | 12.9 | 12.2 | 11.5 | 10.9 | 10.6 | 10.7 | 11.3 | 11.9 | 12.7 | 13.3 | 13.7 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 |
| Sunshine mean duration (h) | 10.9 | 8.9 | 10.6 | 9.7 | 9.2 | 9.6 | 8.6 | 9.2 | 9.1 | 8.1 | 10.3 | 8.7 |
| Precipitation (mm) | 112 | 392 | 89 | 20 | 39 | 15 | 68 | 6 | 20 | 67 | 41 | 229 |
| Sunny days | 13 | 1 | 12 | 19 | 15 | 25 | 20 | 21 | 20 | 14 | 17 | 9 |
| Rainy days | 18 | 27 | 19 | 11 | 16 | 5 | 11 | 10 | 10 | 17 | 13 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Calcutta is at