Experience the vibrant energy of Mexico City, where warm temperatures and high humidity create a tropical climate all year round. The best time to visit is from November to April, with average daytime temperatures ranging between 16°C (61°F) and 25°C (77°F). Interestingly, the city receives more rainfall during the summer months, making for lush greenery amidst its urban landscape. For an authentic experience, explore the historic Chapultepec Park, where locals enjoy picnics under the shade of towering trees, even in the heart of the bustling metropolis.
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Mexico City Climate & Weather Averages
Mexico City records its highest temperatures in May — typically 27°C by day — and its lowest in January, around 22°C. Most rain falls in August; January stays driest. These averages are computed from ten years of daily records (2015–2024).
Seasons in Mexico City are defined by rainfall rather than temperature. Thermometers sit close to 27°C all year round, but the sky tells two different stories: August is the heart of the rainy season at about 239 mm for the month, while January sees only 10 mm. Humidity, not heat, is what most visitors notice first.
| Month | Avg High | Avg Low | Rainfall | Sunshine (h/day) | Wind (km/h) |
|---|---|---|---|---|---|
| Jan | 22° | 7° | 10 mm | 10.1 | 17 |
| Feb | 24° | 8° | 11 mm | 10.9 | 19 |
| Mar | 26° | 10° | 29 mm | 11.3 | 21 |
| Apr | 27° | 12° | 38 mm | 11.8 | 21 |
| May | 27° | 13° | 76 mm | 11.8 | 20 |
| Jun | 25° | 13° | 164 mm | 10.9 | 18 |
| Jul | 23° | 13° | 225 mm | 10.8 | 15 |
| Aug | 23° | 13° | 239 mm | 10.5 | 14 |
| Sep | 22° | 13° | 213 mm | 9.7 | 15 |
| Oct | 22° | 11° | 86 mm | 9.8 | 17 |
| Nov | 23° | 10° | 26 mm | 10.2 | 16 |
| Dec | 22° | 8° | 11 mm | 10.3 | 15 |
A warming climate: The long record shows it plainly: in the 1950s a typical May day in Mexico City topped out near 24°C; in the last decade it reached 27°C — +3.4°C warmer.
Expect around 11.8 hours of sun a day at the May peak, against about 9.7 hours in September. Wind stays moderate most of the year, strongest in April with daily peaks near 21 km/h.
Best time to visit: Aim for March–May if you can: highs hover near 27°C and rain is lighter than the August peak. Light, breathable clothing works year-round; add a compact umbrella for sudden downpours.
Mexico City weather — frequently asked questions
When is the best time to visit Mexico City?
Weather-wise, March–May is the sweet spot in Mexico City: average daytime highs around 27°C with less rain than the August peak. Data from 2015–2024.
What is the rainiest month in Mexico City?
August is on average the wettest month in Mexico City, with about 239 mm of rainfall. The driest month is typically January, at around 10 mm.
Is Mexico City warm all year round?
Yes. Even in the coolest month (January) daytime highs in Mexico City still average 22°C, with nights around 7°C — the difference between seasons is mostly about rain, not temperature.
What is the sunniest month in Mexico City?
May, with roughly 11.8 hours of sunshine a day on average over 2015–2024. The dimmest month is September, at about 9.7 hours.
Source: Open-Meteo ERA5 archive. Averages computed from daily records.