Monthly climate guide

Mexico City in August

In Mexico City, August sits in late summer, with a clear seasonal pattern running through the month. Most days land in a mild, easygoing zone, with evenings that ease back comfortably. Daylight is moderate, so steady pacing works well. Comfort is usually predictable, so a standard day plan works well.

Annual ranking snapshot

Ranked across 12 months

August in context

How it compares to the rest of the year in Mexico City.

Hottest (avg)
IN-BETWEEN
#6 / 12

Sits around the middle of the year.

Wettest (avg)
WETTER
#2 / 12

Among the wetter months.

Daylight Hours
IN-BETWEEN
#4 / 12

Around the yearly average.

Windiest (avg)
WIND
#11 / 12

Usually calmer than most months.

Highest UV
UV
#4 / 12

Near the middle of the yearly UV range.

Most Humid
HUMID
#2 / 12

Humidity sits on the higher side.

Climate normals

Four planning pillars

Monthly climate breakdown

A detailed look at the typical climate conditions for August.

Thermal profile

Temperature

Typical daytime high

Nighttime low
Feels like (avg)

Light window

Sunshine

12.8 h

Average daylight

UV index (max)
10
Typical sun hours
06:16 - 19:02

Wet-day pattern

Rain & Snow

Typical rainfall

Rainy days
26 days
Cloud cover (avg)
77%

Air feel

Humidity & Wind

78%

Average humidity

Wind (avg)
Wind (max gusts)

Historical daily baseline

Daily climate explorer

Pick a day to inspect the usual conditions through August in Mexico City. Based on a 30-year historical climate baseline, not a forecast.

Primary control

Select a day

Scroll to compare daily conditions. The summary updates with your selection.

Secondary context

Monthly trend

Day 15 selected

Median daytime highs across the month, with a softer low line.

Daily climate explorer for AugustMonthly trend chart for the selected climate metric, with the chosen day marked.101520253011631°C
Median temperatureMedian lowTypical range

Day 15 selected for August. Temperature 22.0°C.

Historical disruption baseline

Typical disruptions in August

Based on 30 years of historical data, these are the disruption patterns most likely to affect plans in August.

Rain High impact

Rain disruption Measures: Likely rain disruption days. Observed about 40% of days (12.5 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

12.5 days / month

Share of days
~40% of days
Upper edge
Up to ~25mm (P95)
Why this matters

Rain disruption risk appears on ~12 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Rain High impact

Washout risk Measures: Washout day risk. Observed about 39% of days (12.2 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

12.2 days / month

Share of days
~39% of days
Upper edge
Up to ~25mm (P95)
Why this matters

Washout conditions are possible on ~12 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Rain High impact

Heavy rain days Measures: Heavy rain days (>=10mm). Observed about 22% of days (6.9 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

6.9 days / month

Share of days
~22% of days
Upper edge
Up to ~30mm (P95)
Why this matters

Heavy rain is possible on ~7 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Show all disruptions (12 more)
Rain High impact

Washout run Measures: Multi-day washout runs. Observed about 2.8 days/month in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

2.8 days / month

Share of days
Upper edge
Up to ~31mm (P95)
Why this matters

Multi-day washout runs are possible on ~3 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Rain High impact

Very heavy rain Measures: Very heavy rain days (>=25mm). Observed about 2% of days (0.7 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

0.7 days / month

Share of days
~2% of days
Upper edge
Up to ~49mm (P95)
Why this matters

Very heavy rain is possible on ~1 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Rain Minor

Wet days Measures: Wet days (>=0.1mm). Observed about 92% of days (28.4 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

28.4 days / month

Share of days
~92% of days
Upper edge
Up to ~19mm (P95)
Why this matters

Measurable rain is possible on ~28 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Cloud Minor

Cloudy days Measures: Cloudy days (cloud cover >=60%). Observed about 81% of days (25.2 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

25.2 days / month

Share of days
~81% of days
Upper edge
Up to ~99% (P95)
Why this matters

Cloudy skies are possible on ~25 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Rain Minor

Rainy hours Measures: Rain-hours signal (>=3h rain). Observed about 80% of days (24.9 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

24.9 days / month

Share of days
~80% of days
Upper edge
Up to ~20h (P95)
Why this matters

Several rainy hours are possible on ~25 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Rain Minor

Wet most of day Measures: Wet-most-of-day signal (>=6h rain). Observed about 64% of days (20.0 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

20.0 days / month

Share of days
~64% of days
Upper edge
Up to ~21h (P95)
Why this matters

Wet-most-of-day conditions are possible on ~20 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Cloud Minor

Mostly cloudy days Measures: Mostly cloudy days (cloud cover >=80%). Observed about 52% of days (16.0 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

16.0 days / month

Share of days
~52% of days
Upper edge
Up to ~100% (P95)
Why this matters

Mostly cloudy skies are possible on ~16 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Humidity Minor

High humidity Measures: High humidity days (RH >=80%). Observed about 40% of days (12.3 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

12.3 days / month

Share of days
~40% of days
Upper edge
Up to ~89% (P95)
Why this matters

High humidity is possible on ~12 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.

Cloud Minor

Overcast days Measures: Overcast days (cloud cover >=95%). Observed about 19% of days (6.0 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

6.0 days / month

Share of days
~19% of days
Upper edge
Up to ~100% (P95)
Why this matters

Overcast skies are possible on ~6 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Wind Minor

Gusty days Measures: Gusty days (>=40 km/h). Observed about 9% of days (2.7 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

2.7 days / month

Share of days
~9% of days
Upper edge
Up to ~49km/h (P95)
Why this matters

Gusty conditions are possible on ~3 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.

Visibility Minor

Fog-likely signal Measures: Fog-likely visibility proxy. Observed about 1% of days (0.4 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

0.4 days / month

Share of days
~1% of days
Upper edge
Up to ~95% (P95)
Why this matters

Fog-likely conditions are possible on ~0 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Other Minor

Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data Measures: Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data. Observed about 1% of days (0.4 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

0.4 days / month

Share of days
~1% of days
Upper edge
Up to ~95 (P95)
Why this matters

Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data is possible on ~0 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Travel planning FAQ

Frequently asked questions

Quick answers to the weather questions you ask the most.

Is August a good time to visit Mexico City?

Typical August days in Mexico City reach highs of 22°C (72°F) with nights around 12°C (54°F). It usually feels mild by day and cool after dark. It is among the wetter months, so it is wise to have some indoor backup plans or flexible activities.

What are temperatures like in August?

In August, you can usually expect highs of 22°C (72°F) and lows near 12°C (54°F). That means mild days and cool nights, so pack layers you can add or remove.

How much does it rain in August?

Rainfall in August averages 184 mm (7.2 in) across roughly 26 days. Overall it is a very wet time of year, so a light rain jacket and waterproof shoes are very handy.

How many hours of daylight are there in August?

You can expect about 13 hours of daylight in August. Sunrise is typically around 06:16 and sunset near 19:02. Daylight is fairly typical, with enough time for sightseeing.

How strong is the sun in August?

UV levels frequently reach very high levels (around 10), so strong sun protection is essential, especially around midday.

Is it windy in August?

In August, average wind speeds are around 6 km/h (4 mph), with gusts on the windiest days reaching about 39 km/h (24 mph). On the ground, it is a gentle to moderate breeze is common, but stronger winds are not frequent.

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