Búzios in May

In May, Búzios averages 26°C (78°F) during the day and 20°C (68°F) at night, with frequent rain — about 18 days of the month see precipitation (76 mm total).

Shoulder

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

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

26°C
Avg high
20°C
Avg low
18
Rain days
76 mm
Rainfall

How May compares to the rest of the year in Búzios

9th
warmest month of the 12
6th
wettest month of the 12
8%
of yearly rainfall falls in May
11 h 2 min
daylight on the 15th

May is in the middle of the year for warmth in Búzios (9th of 12) and moderately rainy compared to the rest of the year (6th of 12). Daytime temperature runs 1°C below the annual average (27°C). May runs 2°C cooler than April (27°C) and cools 1°C in June (25°C).

May sunrise & sunset in Búzios

🌅
Sunrise (15th)
6:13 AM
🌇
Sunset (15th)
5:14 PM
Day length
11 h 2 min

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

Photography light in Búzios — May

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

🌅 Blue hour (AM)
5:13 AM – 5:53 AM
🌄 Golden hour (AM)
5:53 AM – 6:53 AM
🌇 Golden hour (PM)
4:34 PM – 5:34 PM
🌆 Blue hour (PM)
5:34 PM – 6:14 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 — Búzios 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 Búzios'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 Búzios

Shoulder

Búzios 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.

Why this tier: comfortable tourism weather

Sun & mosquito risk — May in Búzios

☀️ UV Index (noon, 15th)
8.9
Very high
Limit sun exposure between 11 AM and 3 PM; SPF 30-50, reapply every 90 minutes outdoors.
🦟 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.

Búzios in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 29°C / 85°F 24°C / 75°F 92 mm 15
February 29°C / 85°F 24°C / 75°F 112 mm 18
March 29°C / 84°F 24°C / 75°F 102 mm 20
April 27°C / 81°F 22°C / 72°F 67 mm 20
May 26°C / 78°F 20°C / 68°F 76 mm 18
June 25°C / 77°F 19°C / 67°F 31 mm 13
July 24°C / 76°F 19°C / 66°F 28 mm 12
August 25°C / 76°F 19°C / 66°F 44 mm 15
September 26°C / 78°F 20°C / 69°F 56 mm 14
October 26°C / 79°F 21°C / 70°F 77 mm 19
November 27°C / 80°F 22°C / 71°F 153 mm 22
December 28°C / 83°F 23°C / 73°F 115 mm 18

Other cities with similar May weather

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

Frequently asked questions

How hot is Búzios in May?

In May, Búzios averages a high of 26°C (78°F) and a low of 20°C (68°F) — generally warm.

Does it rain a lot in Búzios in May?

May is quite rainy in Búzios, with about 18 rainy days on average.

Is May a good time to visit Búzios?

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 Búzios in May?

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

Open Búzios on the interactive map

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