Average annual temperature is 28.7 °C
Absolute maximum temperature: 40.9 °C
Absolute minimum temperature: 17.9 °C
Number of sunny days: 140 days
Number of rainy days: 225 days
Look at detailed online map of Mettumārnattam
* Weather data for Mettumārnattam 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) | 34.3 | 38.1 | 39.0 | 40.9 | 39.6 | 39.7 | 38.8 | 40.0 | 37.4 | 38.9 | 34.5 | 34.5 |
| Average daytime temperature (°C) | 32.3 | 34.9 | 36.8 | 38.1 | 36.6 | 37.4 | 35.0 | 38.2 | 35.3 | 33.9 | 31.3 | 32.0 |
| Average temperature (°C) | 25.7 | 27.1 | 29.4 | 31.1 | 30.5 | 30.4 | 28.9 | 30.8 | 28.9 | 28.4 | 26.3 | 26.7 |
| Average night temperature (°C) | 19.7 | 20.0 | 22.9 | 25.3 | 25.8 | 25.8 | 24.9 | 25.5 | 24.8 | 23.9 | 22.5 | 22.2 |
| Absolute minimum temperature (°C) | 18.1 | 17.9 | 18.1 | 23.2 | 24.2 | 24.8 | 23.7 | 24.5 | 23.7 | 22.5 | 21.1 | 19.9 |
| 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 | 12.8 | 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) | 9.9 | 10.4 | 11.1 | 11.2 | 10.1 | 9.8 | 8.8 | 10.8 | 10.0 | 10.3 | 9.1 | 8.7 |
| Precipitation (mm) | 2 | 21 | 71 | 68 | 128 | 35 | 81 | 72 | 110 | 153 | 231 | 51 |
| Sunny days | 27 | 25 | 20 | 18 | 8 | 7 | 2 | 12 | 1 | 4 | 4 | 12 |
| Rainy days | 4 | 3 | 11 | 12 | 23 | 23 | 29 | 19 | 29 | 27 | 26 | 19 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mettumārnattam is at