Average annual temperature is 6.9 °C
Absolute maximum temperature: 21.2 °C
Absolute minimum temperature: -5.5 °C
Number of sunny days: 162 days
Number of rainy days: 202 days
Number of snow days: 1 day
Look at detailed online map of Rosario
* Weather data for Rosario Peru is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 17.4 | 15.5 | 17.6 | 16.0 | 15.3 | 14.2 | 16.8 | 17.7 | 19.1 | 21.1 | 21.2 | 17.3 |
| Average daytime temperature (°C) | 13.7 | 12.5 | 12.8 | 13.5 | 13.0 | 12.7 | 14.4 | 14.4 | 16.8 | 17.0 | 16.8 | 14.5 |
| Average temperature (°C) | 7.3 | 6.6 | 6.8 | 6.1 | 5.6 | 4.6 | 5.8 | 5.8 | 8.0 | 8.8 | 8.9 | 8.4 |
| Average night temperature (°C) | 1.6 | 1.7 | 1.7 | -1.0 | -1.4 | -2.9 | -1.9 | -2.4 | -0.3 | 1.3 | 1.9 | 2.9 |
| Absolute minimum temperature (°C) | -2.5 | -1.8 | -1.0 | -3.8 | -5.2 | -5.5 | -4.1 | -5.4 | -4.0 | -4.1 | -1.8 | -0.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.0 | 12.6 | 12.2 | 11.7 | 11.3 | 11.1 | 11.2 | 11.6 | 12.0 | 12.5 | 12.9 | 13.1 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 |
| Sunshine mean duration (h) | 10.7 | 9.6 | 10.1 | 10.7 | 10.2 | 10.4 | 10.4 | 10.7 | 11.0 | 11.2 | 11.1 | 10.6 |
| Precipitation (mm) | 114 | 178 | 155 | 29 | 19 | 0 | 7 | 2 | 5 | 53 | 101 | 174 |
| Sunny days | 2 | 0 | 0 | 15 | 18 | 30 | 28 | 26 | 22 | 12 | 9 | 0 |
| Rainy days | 29 | 28 | 31 | 15 | 13 | 0 | 3 | 4 | 8 | 19 | 21 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rosario is at