Oaxaca in August

In August, Oaxaca averages 26°C (78°F) during the day and 15°C (58°F) at night, with frequent rain — about 27 days of the month see precipitation (130 mm total).

High season

Conditions are comfortable for sightseeing without being sweltering. Expect daily rain or showers, often in heavy bursts.

August offers comfortable temperatures in Oaxaca, with some rain to plan around.

26°C
Avg high
15°C
Avg low
27
Rain days
130 mm
Rainfall

How August compares to the rest of the year in Oaxaca

7th
warmest month of the 12
2nd
wettest month of the 12
17%
of yearly rainfall falls in August
12 h 42 min
daylight on the 15th

August is in the middle of the year for warmth in Oaxaca (7th of 12) and one of the wettest months (2nd of 12). Daytime temperature runs 1°C below the annual average (26°C). August runs roughly the same as July (26°C) and cools 1°C in September (25°C).

August sunrise & sunset in Oaxaca

🌅
Sunrise (15th)
6:10 AM
🌇
Sunset (15th)
6:52 PM
Day length
12 h 42 min

Times shown for Oaxaca local time (America/Mexico_City), calculated for the 15th of August. They shift by a few minutes day to day across the month.

Photography light in Oaxaca — August

Golden-hour and blue-hour windows for the 15th of August, in Oaxaca's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
5:10 AM – 5:50 AM
🌄 Golden hour (AM)
5:50 AM – 6:50 AM
🌇 Golden hour (PM)
6:12 PM – 7:12 PM
🌆 Blue hour (PM)
7:12 PM – 7:52 PM
Milky Way galactic core
Fair
Core only briefly above the horizon — a marginal month even from dark sites near Oaxaca.

📅 When to book — Oaxaca in August

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on August's tier (High season) and Oaxaca's popularity.

✈ Flights — lead time
2-3 months
Prices are above off-season but not the absolute peak. Tuesday/Wednesday departures are usually cheaper than weekend ones.
🏨 Lodging — lead time
2-3 months
Wide selection still available at this lead time. Premium properties book first; consider 'last-minute deal' availability at 2-week mark if your dates are flexible.

Crowds & pricing — August in Oaxaca

High season

This is a busy month in Oaxaca — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.

Why this tier: comfortable tourism weather Northern Hemisphere summer holidays

Sun & mosquito risk — August in Oaxaca

☀️ UV Index (noon, 15th)
13
Extreme
Stay indoors during midday hours; SPF 50+ even briefly outside, UPF clothing, wide-brim hat, sunglasses essential.
🦟 Mosquito risk
●●●●●
Severe
Severe mosquito season with active disease transmission risk. DEET 30%+, picaridin 20%, long sleeves day and night, treated nets, and check CDC/WHO travel advisories before going.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Oaxaca in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 25°C / 77°F 10°C / 51°F 3 mm 3
February 27°C / 81°F 11°C / 52°F 2 mm 3
March 29°C / 84°F 13°C / 55°F 18 mm 7
April 30°C / 87°F 15°C / 59°F 22 mm 12
May 29°C / 84°F 16°C / 60°F 90 mm 20
June 26°C / 78°F 15°C / 60°F 155 mm 26
July 26°C / 78°F 14°C / 58°F 103 mm 27
August 26°C / 78°F 15°C / 58°F 130 mm 27
September 25°C / 76°F 15°C / 59°F 166 mm 26
October 25°C / 77°F 14°C / 57°F 87 mm 18
November 25°C / 78°F 12°C / 54°F 7 mm 8
December 25°C / 78°F 11°C / 52°F 2 mm 2

Other cities with similar August weather

🌍 See the full ranked list of climate twins for Oaxaca in August →

Frequently asked questions

How hot is Oaxaca in August?

In August, Oaxaca averages a high of 26°C (78°F) and a low of 15°C (58°F) — generally warm.

Does it rain a lot in Oaxaca in August?

August is quite rainy in Oaxaca, with about 27 rainy days on average.

Is August a good time to visit Oaxaca?

August is warm but on the rainy side. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Oaxaca in August?

Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full August packing list for Oaxaca for a complete, climate-based checklist.

Open Oaxaca on the interactive map

Check the live 10-day forecast and sunrise/sunset.