Average annual temperature is 4.1 °C
Absolute maximum temperature: 15.1 °C
Absolute minimum temperature: -9.6 °C
Number of sunny days: 107 days
Number of rainy days: 217 days
Number of snow days: 41 days
Look at detailed online map of Arma
* Weather data for Arma 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) | 12.0 | 12.2 | 12.0 | 11.8 | 11.3 | 11.6 | 13.1 | 14.1 | 14.2 | 15.1 | 14.2 | 14.6 |
| Average daytime temperature (°C) | 8.9 | 8.7 | 8.7 | 9.6 | 8.4 | 9.5 | 11.1 | 10.5 | 12.2 | 11.5 | 11.3 | 11.7 |
| Average temperature (°C) | 3.6 | 4.2 | 3.8 | 2.9 | 2.4 | 3.1 | 4.2 | 3.7 | 5.1 | 5.2 | 5.0 | 6.1 |
| Average night temperature (°C) | -1.6 | 0.1 | -0.9 | -3.9 | -2.9 | -2.0 | -1.5 | -2.0 | -0.9 | -0.9 | -0.8 | 0.5 |
| Absolute minimum temperature (°C) | -7.3 | -5.2 | -5.6 | -8.6 | -6.8 | -4.3 | -2.9 | -4.6 | -3.6 | -9.6 | -5.6 | -3.8 |
| 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 | 11.7 | 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) | 8.8 | 8.6 | 8.8 | 10.1 | 10.2 | 10.4 | 10.5 | 10.8 | 11.2 | 10.6 | 10.9 | 10.0 |
| Precipitation (mm) | 151 | 197 | 173 | 55 | 46 | 0 | 7 | 15 | 22 | 94 | 94 | 113 |
| Sunny days | 1 | 0 | 0 | 1 | 12 | 28 | 23 | 16 | 15 | 1 | 5 | 5 |
| Rainy days | 28 | 27 | 31 | 25 | 11 | 0 | 1 | 2 | 11 | 30 | 25 | 26 |
| Snow days | 2 | 1 | 0 | 4 | 8 | 2 | 7 | 13 | 4 | 0 | 0 | 0 |
The largest precipitation sum in Arma is at