Ubatuba in Fall
In fall (March, April and May), Ubatuba sees average daytime highs around 24°C and overnight lows near 22°C, with 449 mm of rain over about 40 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 25°C in early March to 22°C by late May. The sky is clear or mostly clear about 41% of the time across fall, and the air most often feels oppressive.
Fall is Ubatuba's 2nd-best season to visit on our travel score. Ubatuba has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Ubatuba's year-round climate.
- Avg daytime high
- 24°C
- 2nd-warmest season
- Avg overnight low
- 22°C
- Rainfall
- 449 mm
- 40 wet days
- Avg wind
- 11 km/h
- Travel score
- 6.4
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Ubatuba in Fall
Over the season highs ease from about 25°C in early March to 22°C by late May.
A typical fall day in Ubatuba reaches about 24°C and drops to 22°C overnight. The warmest of the three months is March, the coolest May.
Ubatuba weather by month
How the three fall months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 25° / 24° | 203 | 16.1 | 13.3 | 5.7 |
| Feb | 26° / 24° | 147 | 13 | 12.8 | 6.0 |
| Mar | 25° / 23° | 189 | 15.3 | 12.2 | 6.0 |
| Apr | 24° / 22° | 134 | 12.3 | 11.5 | 6.7 |
| May | 22° / 20° | 125 | 11.9 | 10.9 | 6.6 |
| Jun | 22° / 20° | 103 | 9.9 | 10.6 | 6.8 |
| Jul | 21° / 19° | 117 | 10 | 10.7 | 6.8 |
| Aug | 21° / 19° | 93 | 10.3 | 11.2 | 6.7 |
| Sep | 21° / 19° | 154 | 14.2 | 11.9 | 6.0 |
| Oct | 22° / 20° | 158 | 15.3 | 12.6 | 5.7 |
| Nov | 23° / 21° | 172 | 15.6 | 13.1 | 5.7 |
| Dec | 24° / 22° | 164 | 14.9 | 13.4 | 6.0 |
Cloud cover in Fall
The sky is clear or mostly clear about 41% of the time across fall.
Chance of precipitation in Fall
Ubatuba gets around 449 mm of rain over 40 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 11 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 30 min in early March to 10 h 42 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 4.3 kWh/m².
Is fall a good time to visit Ubatuba?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Ubatuba for sightseeing.
What to pack for Ubatuba in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Ubatuba sees daytime highs around 24°C and nights near 22°C. Pack rain gear. Worth having: light clothes and sun protection. About 40 days see rain.
Sea temperature near Ubatuba in Fall
The nearest coast averages about 25°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 21 km away) is warmest in February at about 27°C and coldest in August near 21°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 26 | 27 | 27 | 26 | 24 | 23 | 22 | 21 | 22 | 22 | 23 | 25 |
| Comfort | Warm | Warm | Warm | Warm | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 26 | Warm |
| Feb | 27 | Warm |
| Mar | 27 | Warm |
| Apr | 26 | Warm |
| May | 24 | Refreshing |
| Jun | 23 | Refreshing |
| Jul | 22 | Refreshing |
| Aug | 21 | Refreshing |
| Sep | 22 | Refreshing |
| Oct | 22 | Refreshing |
| Nov | 23 | Refreshing |
| Dec | 25 | Warm |
UV index in Ubatuba in Fall
Clear-sky midday UV across fall averages around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Ubatuba peaks around January 24 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 5 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 14 | 14 | 11 | 9 | 7 | 6 | 5 | 8 | 8 | 11 | 13 | 14 |
| Level | Extreme | Extreme | Extreme | Very high | High | High | High | Very high | Very high | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 14 | Extreme |
| Mar | 11 | Extreme |
| Apr | 9 | Very high |
| May | 7 | High |
| Jun | 6 | High |
| Jul | 5 | High |
| Aug | 8 | Very high |
| Sep | 8 | Very high |
| Oct | 11 | Extreme |
| Nov | 13 | Extreme |
| Dec | 14 | Extreme |
Air quality in Ubatuba in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Ubatuba is worst in September — around 18 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (March, 9 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 10 | 9 | 9 | 10 | 12 | 13 | 13 | 14 | 18 | 12 | 10 | 9 |
| Level | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 9 | Good |
| Mar | 9 | Good |
| Apr | 10 | Good |
| May | 12 | Good |
| Jun | 13 | Moderate |
| Jul | 13 | Moderate |
| Aug | 14 | Moderate |
| Sep | 18 | Moderate |
| Oct | 12 | Moderate |
| Nov | 10 | Good |
| Dec | 9 | Good |
Where is Ubatuba?
Ubatuba sits at 23.4°S, 45.1°W, 6 m above sea level, in Brazil. The nearest listed city is Caraguatatuba, 41 km away.
Topography around Ubatuba
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ubatuba.
Within 3 km, the terrain around Ubatuba has significant variations in elevation — a maximum elevation change of 564 m around an average of 52 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,204 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,891 m.
The land around Ubatuba is covered by trees (41%), water (30%) and artificial surfaces (25%) within 3 km, trees (58%) and water (40%) within 16 km, and water (40%), trees (37%) and grassland (20%) within 80 km.
Brazil travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / N
- 127 / 220 V · 60 Hz
- Prices
- ≈ 46% of US
- price level, 2025
- GDP per capita
- $10,713
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Safe drinking water
- 89%
- of population, 2024
- Homicide rate
- 19.3
- per 100k, 2023
- Road deaths
- 16
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 482
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Ubatuba (-23.4339°, -45.0711°, elevation 6 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.