Average annual temperature is 7.6 °C
Absolute maximum temperature: 18.9 °C
Absolute minimum temperature: -2.7 °C
Number of sunny days: 99 days
Number of rainy days: 266 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) | 13.9 | 13.8 | 15.0 | 14.6 | 14.8 | 16.8 | 17.6 | 18.9 | 16.2 | 15.3 | 15.2 | 15.6 |
| Average daytime temperature (°C) | 11.8 | 12.3 | 12.0 | 12.8 | 13.0 | 14.6 | 15.8 | 16.2 | 14.3 | 13.5 | 13.7 | 13.8 |
| Average temperature (°C) | 6.6 | 7.2 | 7.1 | 7.1 | 7.1 | 7.5 | 8.3 | 8.5 | 8.0 | 7.9 | 7.8 | 8.4 |
| Average night temperature (°C) | 2.9 | 3.9 | 3.8 | 2.4 | 1.6 | 0.8 | 1.4 | 1.4 | 2.4 | 3.3 | 3.5 | 4.2 |
| Absolute minimum temperature (°C) | 0.5 | 0.1 | 0.2 | -0.8 | -2.7 | -1.0 | -1.8 | -0.9 | -1.8 | 0.9 | 0.5 | 1.7 |
| 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) | 12.7 | 12.5 | 12.2 | 11.8 | 11.6 | 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) | 9.0 | 8.7 | 8.7 | 10.1 | 10.0 | 10.5 | 10.6 | 10.5 | 10.4 | 10.2 | 9.6 | 9.6 |
| Precipitation (mm) | 193 | 253 | 214 | 88 | 42 | 3 | 5 | 8 | 79 | 162 | 162 | 203 |
| Sunny days | 0 | 0 | 0 | 4 | 11 | 26 | 26 | 18 | 5 | 5 | 4 | 0 |
| Rainy days | 31 | 28 | 31 | 26 | 20 | 4 | 5 | 13 | 25 | 26 | 26 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Arma is at