Oaxaca in May

In May, Oaxaca averages 29°C (84°F) during the day and 16°C (60°F) at night, with frequent rain — about 20 days of the month see precipitation (90 mm total).

Shoulder

Conditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.

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

29°C
Avg high
16°C
Avg low
20
Rain days
90 mm
Rainfall

How May compares to the rest of the year in Oaxaca

2nd
warmest month of the 12
5th
wettest month of the 12
11%
of yearly rainfall falls in May
12 h 56 min
daylight on the 15th

May is one of the warmest months in Oaxaca (2nd of 12) and moderately rainy compared to the rest of the year (5th of 12). Daytime temperature runs 3°C above the annual average (26°C). May runs 1°C cooler than April (30°C) and cools 3°C in June (26°C).

May sunrise & sunset in Oaxaca

🌅
Sunrise (15th)
5:55 AM
🌇
Sunset (15th)
6:51 PM
Day length
12 h 56 min

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

Photography light in Oaxaca — May

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

🌅 Blue hour (AM)
4:55 AM – 5:35 AM
🌄 Golden hour (AM)
5:35 AM – 6:35 AM
🌇 Golden hour (PM)
6:11 PM – 7:11 PM
🌆 Blue hour (PM)
7:11 PM – 7:51 PM
Milky Way galactic core
Good
Galactic core is up but lower on the horizon; head well outside city limits for a clean view.

📅 When to book — Oaxaca in May

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 May's tier (Shoulder) and Oaxaca's popularity.

✈ Flights — lead time
6-10 weeks
Sweet spot for value. Major fare-sales (US: Black Friday, EU: post-Easter) hit hardest in shoulder months for shoulder travel.
🏨 Lodging — lead time
4-8 weeks
Lots of selection. Look for shoulder-season packages — many hotels add value (free breakfast, spa credit) to fill rooms.

Crowds & pricing — May in Oaxaca

Shoulder

Oaxaca is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.

Sun & mosquito risk — May 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 May weather

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

Frequently asked questions

How hot is Oaxaca in May?

In May, Oaxaca averages a high of 29°C (84°F) and a low of 16°C (60°F) — generally warm.

Does it rain a lot in Oaxaca in May?

May is quite rainy in Oaxaca, with about 20 rainy days on average.

Is May a good time to visit Oaxaca?

May 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 May?

Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full May 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.