Average annual temperature is 2.3 °C
Absolute maximum temperature: 14.0 °C
Absolute minimum temperature: -8.2 °C
Number of sunny days: 112 days
Number of rainy days: 216 days
Number of snow days: 37 days
Look at detailed online map of Arca
* Weather data for Arca 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) | 10.1 | 9.9 | 11.0 | 10.5 | 9.3 | 9.2 | 11.8 | 12.6 | 12.6 | 14.0 | 11.5 | 11.8 |
| Average daytime temperature (°C) | 7.7 | 7.6 | 7.4 | 8.3 | 7.1 | 7.8 | 9.8 | 9.1 | 10.3 | 10.8 | 9.7 | 9.9 |
| Average temperature (°C) | 1.5 | 2.2 | 2.0 | 1.7 | 0.9 | 1.3 | 2.6 | 2.0 | 3.0 | 3.5 | 3.1 | 3.6 |
| Average night temperature (°C) | -3.4 | -1.5 | -1.9 | -3.8 | -4.4 | -4.5 | -3.1 | -4.0 | -3.2 | -2.0 | -2.0 | -0.8 |
| Absolute minimum temperature (°C) | -7.7 | -4.4 | -3.8 | -6.3 | -8.2 | -6.3 | -6.1 | -7.6 | -6.2 | -5.8 | -4.8 | -3.2 |
| 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 | 12.0 | 13.0 |
| Daylight mean duration (h) | 12.9 | 12.6 | 12.2 | 11.8 | 11.4 | 11.2 | 11.3 | 11.6 | 12.0 | 12.4 | 12.8 | 13.0 |
| 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 | 12.0 |
| Sunshine mean duration (h) | 10.1 | 9.8 | 9.9 | 10.3 | 10.1 | 10.4 | 10.3 | 10.6 | 10.8 | 10.9 | 10.2 | 10.1 |
| Precipitation (mm) | 180 | 163 | 177 | 54 | 33 | 0 | 5 | 12 | 33 | 104 | 136 | 180 |
| Sunny days | 1 | 0 | 0 | 5 | 14 | 29 | 28 | 17 | 12 | 4 | 2 | 0 |
| Rainy days | 27 | 28 | 31 | 19 | 10 | 0 | 0 | 1 | 15 | 27 | 28 | 30 |
| Snow days | 3 | 0 | 0 | 6 | 7 | 1 | 3 | 13 | 3 | 0 | 0 | 1 |
The largest precipitation sum in Arca is at