The best time to visit Mexico
The best time to visit Mexico for warm, sunny weather is November to February, when its destinations average a Sunshine Score of 91/100 with daytime highs around 25°C / 77°F. October and March are quieter shoulder-season alternatives with still-reliable sun. The sea is swimmable (21°C+) year-round, warmest in August at 31°C.
Mexico by month, averaged across 42 destinations from long-term climate normals — the best stretch is highlighted.
| Month | Sunshine Score | Avg day high | Rain | Sea | For a trip |
|---|---|---|---|---|---|
| January | 91 | 24° / 75°F | 23 mm | 25° | Excellent |
| February | 91 | 26° / 79°F | 20 mm | 25° | Excellent |
| March | 90 | 29° / 84°F | 17 mm | 26° | Excellent |
| April | 86 | 31° / 88°F | 18 mm | 26° | Excellent |
| May | 77 | 32° / 90°F | 51 mm | 28° | Excellent |
| June | 67 | 31° / 88°F | 125 mm | 29° | Very good |
| July | 69 | 30° / 86°F | 134 mm | 30° | Very good |
| August | 69 | 30° / 86°F | 149 mm | 31° | Very good |
| September | 71 | 29° / 84°F | 170 mm | 31° | Excellent |
| October | 82 | 28° / 82°F | 101 mm | 29° | Excellent |
| November | 90 | 26° / 79°F | 41 mm | 28° | Excellent |
| December | 91 | 24° / 75°F | 23 mm | 26° | Excellent |
When to go — and when to think twice
Best overall: November to February — Mexico's warmest, most reliable stretch (Sunshine Score 91/100, ~25°C / 77°F days). Shoulder season: October and March — quieter, still sunny. Hottest: May, ~32°C / 90°F. Wettest: September (170 mm) — pack for showers.
Where to base yourself for sunshine: Hermosillo (3,844 h/yr), Mexicali (3,841 h/yr), Ciudad Juárez (3,775 h/yr). See where it's sunniest in Mexico month by month, the hottest places in Mexico, or every Mexico destination with a full climate card.