Average annual temperature is 2.1 °C
Absolute maximum temperature: 13.3 °C
Absolute minimum temperature: -9.6 °C
Number of sunny days: 80 days
Number of rainy days: 258 days
Number of snow days: 27 days
Look at detailed online map of Atcas
* Weather data for Atcas 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) | 9.1 | 8.6 | 9.2 | 9.4 | 9.7 | 9.4 | 11.7 | 13.3 | 10.2 | 10.4 | 10.8 | 10.5 |
| Average daytime temperature (°C) | 6.3 | 6.2 | 6.5 | 7.5 | 7.3 | 7.8 | 9.6 | 9.8 | 8.0 | 8.5 | 8.5 | 8.5 |
| Average temperature (°C) | 1.2 | 1.8 | 1.8 | 1.7 | 1.6 | 1.4 | 2.5 | 2.6 | 2.0 | 2.8 | 2.9 | 3.4 |
| Average night temperature (°C) | -2.7 | -1.1 | -1.7 | -3.0 | -3.2 | -3.8 | -3.5 | -3.6 | -3.3 | -1.6 | -1.3 | -0.5 |
| Absolute minimum temperature (°C) | -6.2 | -5.7 | -5.7 | -6.8 | -9.1 | -7.8 | -8.0 | -7.8 | -9.6 | -5.7 | -4.9 | -4.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.8 | 12.5 | 12.2 | 11.8 | 11.5 | 11.4 | 11.5 | 11.7 | 12.0 | 12.4 | 12.7 | 12.8 |
| 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) | 9.1 | 8.5 | 8.7 | 9.8 | 9.8 | 10.4 | 10.6 | 10.4 | 10.4 | 9.6 | 9.0 | 9.1 |
| Precipitation (mm) | 198 | 202 | 178 | 87 | 38 | 5 | 4 | 14 | 70 | 142 | 201 | 207 |
| Sunny days | 0 | 0 | 0 | 4 | 9 | 21 | 24 | 13 | 5 | 1 | 1 | 2 |
| Rainy days | 31 | 28 | 31 | 25 | 18 | 1 | 4 | 10 | 22 | 30 | 29 | 29 |
| Snow days | 0 | 0 | 0 | 1 | 4 | 8 | 3 | 8 | 3 | 0 | 0 | 0 |
The largest precipitation sum in Atcas is at