Northern Mexico & Baja (Los Cabos) works in any month. Every month of the year rates go on daytime heat and rainfall, so timing is down to crowds and price rather than weather.
Arid; hot summers
| Month | High °C | High °F | Rainy days | Verdict |
|---|---|---|---|---|
| January | 24.3 | 76 | 5% | Go |
| February | 24.4 | 76 | 5% | Go |
| March | 25.0 | 77 | 2% | Go |
| April | 25.9 | 79 | 1% | Go |
| May | 27.2 | 81 | 1% | Go |
| June | 28.6 | 83 | 2% | Go |
| July | 30.2 | 86 | 11% | Go |
| August | 30.7 | 87 | 27% | Go |
| September | 30.1 | 86 | 33% | Go |
| October | 30.1 | 86 | 9% | Go |
| November | 27.8 | 82 | 6% | Go |
| December | 25.0 | 77 | 5% | Go |
Verdict combines mean daytime high with rainy-day frequency. “Rainy days” is the share of days in the month with at least 1 mm of rain.
April is the driest month, with rain on 1% of days and daytime highs near 25.9°C (79°F). September is the wettest, at 33%. The warmest month is August at 30.7°C (87°F); the coolest is January at 24.3°C (76°F).