Monthly climate guide
Mexico City weather in August
With highs near 21°C (70°F) and lows around 10°C (50°F), August feels warm in Mexico City. Rainfall averages about 155 mm (very wet) and the sky is often cloudy. Daytime highs are about the same as July and about the same as September.
What stands out in August
- Mexico City is usually about 2°C cooler than Cuernavaca, 60 km away, in August.
- Keep a flexible plan: if showers roll in, shift Chapultepec Park & Castle to a drier part of the day.
- August falls in Mexico City's wetter season, when heavy showers are common.
- It's wetter than a typical month in Mexico City — roughly 134% more rain than average.
It's usually the wettest month of the year.
Avg high
21°C
70°F
Avg low
10°C
50°F
Rainfall
155 mm
very wet
Humidity
79%
relative
Sky
73%
cloud · often cloudy
Mexico City weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 19°C / 66°F | 4°C / 39°F | 6 mm | 60% | 35% |
| February | 22°C / 71°F | 6°C / 42°F | 8 mm | 54% | 31% |
| March | 24°C / 75°F | 7°C / 44°F | 19 mm | 51% | 33% |
| April | 26°C / 79°F | 9°C / 48°F | 23 mm | 46% | 41% |
| May | 26°C / 79°F | 10°C / 50°F | 61 mm | 55% | 52% |
| June | 23°C / 74°F | 11°C / 51°F | 141 mm | 70% | 68% |
| July | 21°C / 70°F | 10°C / 50°F | 149 mm | 77% | 75% |
| August | 21°C / 70°F | 10°C / 50°F | 155 mm | 79% | 73% |
| September | 20°C / 68°F | 10°C / 49°F | 140 mm | 82% | 75% |
| October | 20°C / 68°F | 8°C / 46°F | 62 mm | 77% | 56% |
| November | 20°C / 68°F | 6°C / 43°F | 24 mm | 72% | 43% |
| December | 20°C / 68°F | 5°C / 42°F | 7 mm | 65% | 33% |
What to pack for August
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- An extra layer — evenings are noticeably cooler than afternoons
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is August a good time to visit Mexico City?
Our Mexico City guide recommends: March to May, in the dry season before the June–October rains, with warm days and cool evenings due to the altitude.
The city sits at over 2,200m altitude — take it easy on your first day or two, especially with alcohol or strenuous activity.
Best time to visit Mexico City →Other Mexico cities in August
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Mexico City weather in August. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/mexico/mexico-city/august
<a href="https://weathercompare.eu/weather/mexico/mexico-city/august">Mexico City weather in August</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/mexico/mexico-city" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Mexico City weather in August"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/mexico/mexico-city/august">Mexico City weather in August</a> – WeatherCompare</p>
Mexico City in August: quick answers
Is August a good time to visit Mexico City?
August is one of the wetter months in Mexico City, with about 155 mm of rain. You can still go: pack a rain jacket and keep plans flexible.
How warm is Mexico City in August?
Average highs are about 21°C (70°F) and average lows about 10°C (50°F), based on 10 years of daily data.
Does it rain a lot in Mexico City in August?
Mexico City typically gets around 155 mm of rain in August — very wet. It's usually the wettest month of the year.
When is the best time to visit Mexico City?
March to May, in the dry season before the June–October rains, with warm days and cool evenings due to the altitude.
Figures are long-term averages for the area around Mexico City (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.