Average annual temperature is 5.9 °C
Absolute maximum temperature: 31.0 °C
Absolute minimum temperature: -12.3 °C
Number of sunny days: 155 days
Number of rainy days: 187 days
Number of snow days: 23 days
Look at detailed online map of Lago Rosario
* Weather data for Lago Rosario 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) | 30.8 | 31.0 | 21.8 | 17.5 | 16.1 | 8.3 | 9.3 | 8.7 | 14.4 | 20.6 | 23.3 | 27.9 |
| Average daytime temperature (°C) | 20.7 | 19.4 | 15.7 | 12.3 | 7.3 | 3.4 | 3.4 | 4.4 | 6.0 | 10.5 | 11.2 | 18.3 |
| Average temperature (°C) | 13.9 | 12.7 | 9.7 | 7.2 | 3.5 | 0.0 | -0.2 | 0.5 | 0.9 | 4.8 | 6.4 | 11.5 |
| Average night temperature (°C) | 7.8 | 6.7 | 4.8 | 3.2 | 0.2 | -3.1 | -3.5 | -2.9 | -3.5 | -0.2 | 2.2 | 5.0 |
| Absolute minimum temperature (°C) | 2.3 | 1.3 | -1.2 | -0.9 | -11.8 | -9.7 | -10.5 | -8.4 | -12.3 | -5.8 | -3.5 | -1.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 | 11.0 | 12.0 | 13.0 | 15.0 | 15.0 |
| Daylight mean duration (h) | 14.9 | 13.8 | 12.4 | 10.9 | 9.7 | 9.0 | 9.3 | 10.4 | 11.8 | 13.3 | 14.6 | 15.3 |
| Daylight minimum duration (h) | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 |
| Sunshine mean duration (h) | 12.0 | 11.5 | 8.1 | 7.7 | 5.3 | 3.9 | 4.7 | 6.5 | 8.5 | 10.3 | 9.3 | 13.1 |
| Precipitation (mm) | 21 | 28 | 73 | 61 | 127 | 201 | 226 | 161 | 173 | 110 | 101 | 12 |
| Sunny days | 19 | 16 | 14 | 19 | 10 | 9 | 8 | 6 | 7 | 16 | 12 | 19 |
| Rainy days | 12 | 12 | 17 | 11 | 20 | 16 | 19 | 18 | 20 | 14 | 16 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 1 | 5 | 4 | 7 | 3 | 1 | 2 | 0 |
The best time to visit Lago Rosario during the most sunny months:
Months with the longest average daylight duration in Lago Rosario:
The largest precipitation sum in Lago Rosario is at