The best time to visit Central Mexico (Mexico City) is Nov–Mar. Month by month, the verdicts rate Nov–Apr as comfortable on both daytime heat and rainfall — 6 months in all.
Wet summer afternoons Jun–Sep
| Month | High °C | High °F | Rainy days | Verdict |
|---|---|---|---|---|
| January | 18.9 | 66 | 8% | Go |
| February | 21.3 | 70 | 7% | Go |
| March | 23.7 | 75 | 11% | Go |
| April | 25.5 | 78 | 23% | Go |
| May | 25.7 | 78 | 49% | Fair |
| June | 23.3 | 74 | 79% | Too wet |
| July | 21.3 | 70 | 90% | Too wet |
| August | 21.0 | 70 | 91% | Too wet |
| September | 20.0 | 68 | 85% | Too wet |
| October | 19.8 | 68 | 51% | Fair |
| November | 19.4 | 67 | 18% | Go |
| December | 19.2 | 67 | 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.
December is the driest month, with rain on 5% of days and daytime highs near 19.2°C (67°F). August is the wettest, at 91%. The warmest month is May at 25.7°C (78°F); the coolest is January at 18.9°C (66°F). The record rules out too wet in Jun–Sep.