Bars — La Mesa
Climate — La Mesa: monthly averages
| Month | Day (max) | Night (min) | Monthly precipitation |
|---|---|---|---|
| January | 30°C | -6°C | 24 mm |
| February | 33°C | -9°C | 20 mm |
| March | 35°C | -1°C | 16 mm |
| April | 38°C | 0°C | 5 mm |
| May | 43°C | 6°C | 2 mm |
| June | 45°C | 13°C | 22 mm |
| July | 43°C | 18°C | 144 mm |
| August | 40°C | 16°C | 110 mm |
| September | 39°C | 13°C | 59 mm |
| October | 38°C | 0°C | 20 mm |
| November | 35°C | -3°C | 23 mm |
| December | 29°C | -4°C | 19 mm |
Long-term model averages for an area of about 50 km — not a forecast; mountains are often cooler. Source: NASA POWER Project (CC BY 4.0) (2001–2025)