Mexico City is warmest in April, averaging 27° by day and 9° at night. The wettest month is July with 164 mm, and the year brings about 762 mm in total.
Month by month
| Month | High | Low | Rain | Daylight | Good for |
|---|---|---|---|---|---|
| January | 20° | 4° | 6 mm | 10.9 h | Sightseeing |
| February | 23° | 6° | 8 mm | 11.3 h | Sightseeing |
| March | 26° | 7° | 12 mm | 11.9 h | Beach weather |
| April | 27° | 9° | 30 mm | 12.4 h | Beach weather |
| May | 27° | 10° | 43 mm | 12.9 h | Beach weather |
| June | 25° | 11° | 108 mm | 13.2 h | Mild |
| July | 23° | 10° | 164 mm | 13.1 h | Mild |
| August | 21° | 10° | 164 mm | 12.7 h | Mild |
| September | 21° | 10° | 144 mm | 12.1 h | Mild |
| October | 21° | 8° | 56 mm | 11.5 h | Sightseeing |
| November | 21° | 6° | 21 mm | 11.1 h | Sightseeing |
| December | 20° | 5° | 6 mm | 10.8 h | Sightseeing |
High and low are average daily maximum and minimum, rain is typical monthly total, daylight is the hours between sunrise and sunset mid-month. Climate normals from NASA POWER — averages, not promises.
When to go
Beach weather: March, April and May — highs around 27°, nights no colder than 7°, and at most 43 mm of rain in a month.
Walking the city: January, February, October, November and December — highs of 20–23° and no more than 56 mm of rain a month.