Ubatuba climate — normals and trends
Ubatuba (Brazil) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 21.7 °C and it receives 1,824 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is February (24.6 °C on average) and the coldest is July (19.5 °C). Rainfall peaks in January.
Ubatuba averages 0 frost days, 0 hot days (≥ 30 °C) and 171 rainy days per year.
Ubatuba has warmed by +0.8 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.
The hottest day of the period reached 32.5 °C (on 9 September 1997) and the coldest 12.6 °C (on 27 August 1984).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
UbatubaSão Paulo
- coords
- -23.43°, -45.07°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
21.7°C
Average daily high
22.7°C
Average daily low
20.8°C
Annual rainfall
1,824mm
Sunshine / day
9.4h
Mean relative humidity
86%
Average peak wind
18.6km/h
Seasonal range
5.1°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
171 d/yr
Annual snowfall
0.0 cm
Average feels-like high
25.5 °C
Average feels-like low
22.2 °C
Average peak gust
26.2 km/h
Tropical nights (≥ 20 °C)
228 d/yr
Solar radiation
16.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.8 °C
since 1940
+0.1 °C per decade · r² = 0.26 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
32.5 °C
9 September 1997
Coldest day
12.6 °C
27 August 1984
Wettest day
362 mm
14 March 1970
Windiest day
51.3 km/h
11 August 2022
Strongest gust
69.8 km/h
10 August 2022
Hottest feels-like
40.4 °C
17 February 2025
Coldest feels-like
6.3 °C
31 May 1979
Sunniest day
13.4 h
28 December 2025
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 25.5 °C | +0.4 °C | 171 mm | -29 mm |
| Feb | 27.6 °C | +2.2 °C | 72 mm | -94 mm |
| Mar | 24.7 °C | -0.1 °C | 65 mm | -127 mm |
| Apr | 23.8 °C | +0.3 °C | 243 mm | +92 mm |
| May | 22.7 °C | +0.5 °C | 71 mm | -58 mm |
| Jun | 21.7 °C | +0.2 °C | 61 mm | -40 mm |
| Jul | 19.5 °C | -1.2 °C | 87 mm | -21 mm |
| Aug | 20.2 °C | -0.6 °C | 32 mm | -73 mm |
| Sep | 21.1 °C | +0.1 °C | 91 mm | -58 mm |
| Oct | 21.2 °C | -0.4 °C | 164 mm | -7 mm |
| Nov | 22.2 °C | -0.1 °C | 67 mm | -97 mm |
| Dec | 25.3 °C | +1.6 °C | 116 mm | -75 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Ubatuba?
Ubatuba has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 21.7 °C and it receives 1,824 mm of precipitation per year.
What is the hottest day ever recorded in Ubatuba?
The hottest day measured in Ubatuba between 1940 and 2025 was 9 September 1997, reaching 32.5 °C.
What is the coldest day in Ubatuba?
The coldest day measured in Ubatuba between 1940 and 2025 was 27 August 1984, at 12.6 °C.
Does it snow in Ubatuba?
Almost never: Ubatuba sees virtually no snow, with about 0 frost days per year.
Has the climate of Ubatuba warmed?
Yes: Ubatuba warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ubatuba?
The wettest day measured in Ubatuba between 1940 and 2025 was 14 March 1970, with 362 mm of rain in 24 hours.
What was the windiest day in Ubatuba?
The windiest day measured in Ubatuba between 1940 and 2025 was 11 August 2022, with winds reaching 51.3 km/h.
What is the warmest month in Ubatuba?
The warmest month in Ubatuba is February (24.6 °C on average); the coldest is July (19.5 °C).
How much does it rain in Ubatuba?
Ubatuba receives on average 1,824 mm of precipitation per year, spread over about 171 rainy days.
Is it sunny in Ubatuba?
Ubatuba gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.
Are there tropical nights in Ubatuba?
Yes: Ubatuba has on average 228 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Ubatuba?
In Ubatuba, between 1940 and 2025, the highest apparent temperature reached 40.4 °C on 17 February 2025, and the lowest was 6.3 °C on 31 May 1979.
Compare Ubatuba with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ubatuba