Average annual temperature is 7.9 °C
Absolute maximum temperature: 25.3 °C
Absolute minimum temperature: -7.9 °C
Number of sunny days: 257 days
Number of rainy days: 106 days
Number of snow days: 2 days
Look at detailed online map of Mejillones
* Weather data for Mejillones Bolivia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 22.1 | 22.1 | 23.5 | 19.5 | 18.1 | 17.1 | 16.8 | 18.2 | 23.1 | 24.0 | 23.7 | 25.3 |
| Average daytime temperature (°C) | 18.9 | 16.5 | 18.3 | 16.6 | 14.5 | 13.2 | 14.0 | 15.1 | 18.1 | 20.6 | 20.3 | 21.6 |
| Average temperature (°C) | 10.1 | 8.5 | 10.1 | 7.3 | 5.4 | 3.2 | 3.7 | 4.9 | 7.5 | 10.0 | 10.9 | 12.6 |
| Average night temperature (°C) | 2.5 | 1.8 | 2.6 | -1.2 | -2.6 | -4.5 | -3.9 | -3.6 | -2.3 | -0.1 | 2.4 | 4.7 |
| Absolute minimum temperature (°C) | -3.7 | -2.0 | 0.1 | -4.1 | -6.0 | -7.9 | -6.3 | -5.8 | -6.6 | -3.9 | -2.7 | 0.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.3 | 12.8 | 12.2 | 11.6 | 11.1 | 10.8 | 11.0 | 11.4 | 12.0 | 12.6 | 13.1 | 13.4 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 |
| Sunshine mean duration (h) | 11.5 | 10.5 | 10.7 | 10.8 | 10.1 | 10.0 | 10.2 | 10.6 | 11.2 | 11.8 | 11.8 | 11.5 |
| Precipitation (mm) | 81 | 94 | 70 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 30 | 58 |
| Sunny days | 8 | 10 | 12 | 22 | 31 | 30 | 31 | 29 | 30 | 25 | 17 | 12 |
| Rainy days | 23 | 18 | 19 | 8 | 0 | 0 | 0 | 0 | 0 | 6 | 13 | 19 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mejillones is at