Average annual temperature is 28.1 °C
Absolute maximum temperature: 40.2 °C
Absolute minimum temperature: 17.0 °C
Number of sunny days: 139 days
Number of rainy days: 226 days
Look at detailed online map of Kottayam
* Weather data for Kottayam India is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 33.0 | 35.8 | 38.8 | 40.1 | 40.2 | 38.5 | 36.0 | 38.8 | 36.4 | 38.5 | 32.2 | 33.2 |
| Average daytime temperature (°C) | 31.6 | 33.4 | 35.9 | 37.6 | 37.0 | 36.3 | 33.4 | 36.7 | 34.7 | 34.0 | 30.0 | 30.8 |
| Average temperature (°C) | 25.0 | 25.9 | 28.8 | 30.4 | 30.0 | 30.2 | 28.6 | 30.0 | 28.6 | 27.8 | 25.3 | 25.8 |
| Average night temperature (°C) | 19.2 | 19.2 | 22.6 | 24.4 | 25.1 | 25.9 | 25.2 | 25.2 | 24.4 | 23.0 | 21.8 | 21.6 |
| Absolute minimum temperature (°C) | 17.3 | 17.0 | 19.2 | 22.5 | 22.7 | 24.6 | 23.1 | 23.9 | 23.0 | 21.6 | 20.2 | 19.7 |
| 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) | 11.6 | 11.8 | 12.1 | 12.4 | 12.6 | 12.7 | 12.7 | 12.5 | 12.2 | 11.9 | 11.6 | 11.5 |
| 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) | 10.1 | 10.2 | 11.2 | 11.1 | 9.7 | 10.1 | 9.5 | 11.2 | 10.1 | 10.5 | 8.9 | 8.8 |
| Precipitation (mm) | 6 | 17 | 30 | 29 | 88 | 20 | 91 | 57 | 71 | 168 | 229 | 60 |
| Sunny days | 26 | 24 | 18 | 14 | 4 | 7 | 9 | 13 | 3 | 7 | 4 | 10 |
| Rainy days | 5 | 4 | 13 | 16 | 27 | 23 | 22 | 18 | 27 | 24 | 26 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kottayam is at