Búzios weather in March
March in Búzios: sweltering, rainy, with clean air — fine if you can take 35°C afternoons.
Updated September 2026 · climate normals from ERA5 reanalysis
#6 of 12 months in Búzios · #317 of 1413 destinations to visit in March · comfort 85/100 (tier A)
- Days
- 30°C
- Nights
- 23°C
- Wet days
- 11
- Sun
- 10.3 h
- Humidity
- 83%
- Daylight
- 12 h
Traveller notes on Búzios in March
Other months in Búzios
Búzios' forum generally likes October - pleasant spring temperatures, mostly blue skies, and genuinely low crowds in the first half of the month before an October 12-15 holiday period brings a short price and crowd spike. One quirk worth knowing before picking a beach: the northern beaches (Tartaruga, Azeda, João Fernandes) catch warmer currents while the southern ones (Geribá, Tucuns) run noticeably colder, and an occasional cold-water upwelling from further south can chill things further. Posters treated this as normal, not a reason to avoid the month - just something to factor into which beach to pick.
Forum posters describe April daytime highs typically in the upper-70s to low-80sF (roughly 27-28C), cooling to a comfortable 70F (21C) at night - genuinely pleasant beach weather with lower humidity than the more oppressive summer months. Posters call April the tail end of high season rather than truly low season: prices have come down from peak, beaches are noticeably less crowded, but the town isn't dead either. Landing between Easter and Brazil's mid-April national holiday (the 21st), posters consistently name this as a strong sweet-spot window - cooler, drier, and quieter than peak summer, without yet losing all the energy of the high season crowd.
Add your own note from Búzios's card on the map.
Búzios climate normals — March
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Búzios in March
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Shoulder seasonschool holidays in 3 of the markets that fill it, an ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Búzios's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherBúzios's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
What's on in Búzios in March
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Nature
Cold-water upwelling
1 Nov – 31 Mar · usuallySea warm enoughA hard north-easterly pushes the surface water offshore and cold water comes up behind it, so an ocean-facing beach can be far colder than a bay beach one headland away. It settles again a day or two after the wind drops.
Nearby, and something's on
Within 300 km of Búzios — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Búzios?
Búzios in March — FAQ
- Is March a good time to visit Búzios?
- March in Búzios: sweltering, rainy, with clean air — fine if you can take 35°C afternoons. It ranks #6 of 12 months for Búzios on SeasonMap's comfort score (85/100).
- What is the weather like in Búzios in March?
- In March, Búzios averages a daily high of 30.1°C and a low of 23.1°C, with about 104.2 mm of rain over roughly 10.6 rainy days.
- What is the air quality in Búzios in March?
- Búzios has a mean US Air Quality Index of about 43 in March.
Within 300 km: Rio de Janeiro's Warmest sea of the year around 15 Jan – 15 Apr, and Ilha Grande's Sea warm enough to swim around 1 Dec – 30 Apr.