Average annual temperature is 17.3 °C
Absolute maximum temperature: 35.8 °C
Absolute minimum temperature: 0.0 °C
Number of sunny days: 261 days
Number of rainy days: 104 days
Look at detailed online map of Merlo
* Weather data for Merlo Argentina is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 32.9 | 32.6 | 32.8 | 25.8 | 23.6 | 21.6 | 22.9 | 26.9 | 30.9 | 31.5 | 35.8 | 35.7 |
| Average daytime temperature (°C) | 29.3 | 27.6 | 27.4 | 20.9 | 18.5 | 15.6 | 16.2 | 20.0 | 21.4 | 24.6 | 27.9 | 29.3 |
| Average temperature (°C) | 23.5 | 21.6 | 22.1 | 16.2 | 13.5 | 10.4 | 10.7 | 13.3 | 15.0 | 17.9 | 20.9 | 23.1 |
| Average night temperature (°C) | 18.0 | 16.3 | 17.6 | 12.5 | 9.5 | 6.3 | 6.3 | 7.7 | 9.6 | 11.8 | 14.4 | 17.4 |
| Absolute minimum temperature (°C) | 13.0 | 4.6 | 13.5 | 7.2 | 5.5 | 0.0 | 1.1 | 2.4 | 3.1 | 5.1 | 4.3 | 12.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 |
| Daylight mean duration (h) | 14.0 | 13.2 | 12.3 | 11.3 | 10.5 | 10.1 | 10.3 | 11.0 | 11.9 | 12.9 | 13.8 | 14.2 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 12.3 | 12.0 | 10.0 | 8.5 | 8.0 | 8.0 | 7.9 | 9.4 | 9.6 | 11.4 | 12.4 | 12.2 |
| Precipitation (mm) | 96 | 56 | 81 | 25 | 22 | 0 | 7 | 0 | 10 | 9 | 55 | 54 |
| Sunny days | 11 | 20 | 19 | 18 | 24 | 28 | 26 | 30 | 25 | 23 | 21 | 16 |
| Rainy days | 20 | 8 | 12 | 12 | 7 | 2 | 5 | 1 | 5 | 8 | 9 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Merlo is at