Average annual temperature is 25.9 °C
Absolute maximum temperature: 40.7 °C
Absolute minimum temperature: 9.1 °C
Number of sunny days: 115 days
Number of rainy days: 250 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) | 34.8 | 33.1 | 33.1 | 32.0 | 30.9 | 31.0 | 33.3 | 35.7 | 37.4 | 40.7 | 40.1 | 36.4 |
| Average daytime temperature (°C) | 30.5 | 30.1 | 30.1 | 29.5 | 27.5 | 26.9 | 29.5 | 32.3 | 33.8 | 35.6 | 35.4 | 33.8 |
| Average temperature (°C) | 25.6 | 25.3 | 25.4 | 24.5 | 22.9 | 21.6 | 23.6 | 26.1 | 27.9 | 29.7 | 29.8 | 28.6 |
| Average night temperature (°C) | 21.9 | 22.1 | 22.4 | 20.9 | 19.5 | 17.6 | 19.1 | 21.2 | 23.6 | 24.9 | 25.6 | 24.7 |
| Absolute minimum temperature (°C) | 16.3 | 17.7 | 19.8 | 16.6 | 15.1 | 9.1 | 13.9 | 15.5 | 16.6 | 18.5 | 19.4 | 21.9 |
| 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 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.0 | 12.6 | 12.2 | 11.7 | 11.3 | 11.2 | 11.2 | 11.6 | 12.0 | 12.5 | 12.9 | 13.1 |
| 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 | 13.0 |
| Sunshine mean duration (h) | 9.6 | 8.7 | 8.5 | 9.3 | 7.3 | 9.1 | 9.5 | 9.2 | 8.9 | 10.9 | 10.7 | 10.3 |
| Precipitation (mm) | 402 | 230 | 248 | 103 | 115 | 48 | 19 | 33 | 51 | 64 | 162 | 119 |
| Sunny days | 4 | 4 | 1 | 4 | 8 | 13 | 25 | 21 | 16 | 8 | 9 | 2 |
| Rainy days | 27 | 24 | 30 | 26 | 23 | 17 | 6 | 10 | 14 | 23 | 21 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mejillones is at