Mexico City weather in August
Mexico City in August averages 19°C (66°F), 186 mm of rain and 6 hours of sun a day. It is one of the wetter months of the year here.
Of the twelve months in Mexico City, August is the fifth warmest, the wettest and the second dullest.

- Average temp
- 19°C (66°F)
13–25°C · 56–76°F
- Rainfall
- 186 mm
A wet month
- Sunshine
- 6 h
hours per day
What is Mexico City like in August?
Daytime
Days are mild.
Rain
Expect frequent rain — this is a wet month.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Mexico City in August?
A proper waterproof, not a folding umbrella
186 mm in the month usually arrives as heavy bursts that an umbrella will not cover.
A dry bag for phone and documents
Worth it for one downpour caught between the taxi and the door.
A layer for the evening
The day swings about 11°C between its low and its high.
August compared with July and September
August in Mexico City is about the same temperature as July and 10 mm wetter than it, which averages 19°C (66°F).
August in Mexico City is about the same temperature as September and 42 mm wetter than it, which averages 19°C (65°F).
Daylight in Mexico City in August
On 15 August the sun is up for 12 hours 47 minutes in Mexico City, rising about 06:17 and setting about 19:04 local time.
August ends 29 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
That is 31 minutes short of June, the longest-lit month here.
Where to stay in Mexico City
Dates are a starting point for August.

Travel guides for Mexico City
What to read before you book.
Mexico City weather by month
TemperatureRainfall
How August compares with the rest of the year
August is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 15°C / 59°F | 7 mm |
| February | 17°C / 63°F | 3 mm |
| March | 19°C / 66°F | 19 mm |
| April | 21°C / 69°F | 27 mm |
| May | 21°C / 69°F | 53 mm |
| June | 20°C / 68°F | 127 mm |
| July | 19°C / 66°F | 176 mm |
| August | 19°C / 66°F | 186 mm |
| September | 19°C / 65°F | 144 mm |
| October | 18°C / 64°F | 79 mm |
| November | 16°C / 61°F | 10 mm |
| December | 16°C / 60°F | 9 mm |
Check another month
This is the month you are reading. Change either side to look at another.
FAQs about Mexico City in August
August climate averages for Mexico City, 1991–2020.
Mexico City averages 19°C (66°F) in August, ranging from about 13°C (56°F) at night to 25°C (76°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Yes, a lot. August brings about 186 mm, which makes it one of the wetter months here — expect heavy bursts rather than all-day drizzle.
They are about the same. August averages 19°C (66°F) and September 19°C (65°F), so temperature alone will not decide between them.
August is about as warm as July, and 10 mm wetter.
It is outside the easiest window. The most comfortable stretch here is February to May; August sits outside it, which usually means more heat, more rain, or both — worth it if you would rather have the place to yourself.
About 6 hours of sun a day on the 1991–2020 average.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what August is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 12 hours 47 minutes of daylight in mid-August, against 13 hours 18 minutes in June and 10 hours 58 minutes in December.
On 15 August, sunrise is about 06:17 and sunset about 19:04 local time. Both shift across the month — the month ends 29 minutes shorter than it starts.



