Tucumã climate — normals and trends
Tucumã (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.6 °C and it receives 1,660 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 September (27.6 °C on average) and the coldest is January (24.5 °C). Rainfall peaks in March.
Tucumã averages 0 frost days, 208 hot days (≥ 30 °C) and 210 rainy days per year.
No statistically significant temperature trend emerges for Tucumã between 1940 and 2025: over this span, year-to-year swings outweigh the climate signal.
The hottest day of the period reached 39.5 °C (on 24 October 1961) and the coldest 15.0 °C (on 28 July 2020).
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
TucumãPará
- coords
- -6.75°, -51.16°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.6°C
Average daily high
30.6°C
Average daily low
21.8°C
Annual rainfall
1,660mm
Sunshine / day
9.8h
Mean relative humidity
77%
Average peak wind
9.6km/h
Seasonal range
3.1°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
208 d/yr
Rainy days (≥ 1 mm)
210 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.3 °C
Average feels-like low
25.0 °C
Average peak gust
27.7 km/h
Tropical nights (≥ 20 °C)
345 d/yr
Solar radiation
18.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
No clear trend over this period
Over a short window, year-to-year swings outweigh the climate signal. Try 86 years.
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
39.5 °C
24 October 1961
Coldest day
15.0 °C
28 July 2020
Wettest day
191 mm
18 January 1959
Windiest day
23.9 km/h
3 July 2022
Strongest gust
50.8 km/h
30 August 1989
Hottest feels-like
43.3 °C
6 February 1998
Coldest feels-like
14.8 °C
28 July 2020
Sunniest day
12.4 h
1 January 1941
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 | 29.1 °C | +0.5 °C | 222 mm | -48 mm |
| Feb | 29.6 °C | +1.0 °C | 375 mm | +127 mm |
| Mar | 29.8 °C | +1.1 °C | 201 mm | -69 mm |
| Apr | 31.0 °C | +1.9 °C | 111 mm | -100 mm |
| May | 32.0 °C | +2.1 °C | 31 mm | -67 mm |
| Jun | 32.7 °C | +1.7 °C | 14 mm | -8 mm |
| Jul | 34.2 °C | +1.8 °C | 0 mm | -9 mm |
| Aug | 34.4 °C | +0.7 °C | 9 mm | -6 mm |
| Sep | 34.0 °C | +0.6 °C | 30 mm | -15 mm |
| Oct | 32.5 °C | +0.4 °C | 72 mm | -33 mm |
| Nov | 31.1 °C | +0.8 °C | 137 mm | -24 mm |
| Dec | 28.9 °C | -0.4 °C | 192 mm | -12 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 Tucumã?
Tucumã has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.6 °C and it receives 1,660 mm of precipitation per year.
What is the hottest day ever recorded in Tucumã?
The hottest day measured in Tucumã between 1940 and 2025 was 24 October 1961, reaching 39.5 °C.
What is the coldest day in Tucumã?
The coldest day measured in Tucumã between 1940 and 2025 was 28 July 2020, at 15.0 °C.
Does it snow in Tucumã?
Almost never: Tucumã sees virtually no snow, with about 0 frost days per year.
Has the climate of Tucumã warmed?
Between 1940 and 2025, no statistically significant temperature trend emerges in Tucumã.
What is the wettest day in Tucumã?
The wettest day measured in Tucumã between 1940 and 2025 was 18 January 1959, with 191 mm of rain in 24 hours.
What was the windiest day in Tucumã?
The windiest day measured in Tucumã between 1940 and 2025 was 3 July 2022, with winds reaching 23.9 km/h.
What is the warmest month in Tucumã?
The warmest month in Tucumã is September (27.6 °C on average); the coldest is January (24.5 °C).
How much does it rain in Tucumã?
Tucumã receives on average 1,660 mm of precipitation per year, spread over about 210 rainy days.
Is it sunny in Tucumã?
Tucumã gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.
Are there tropical nights in Tucumã?
Yes: Tucumã has on average 345 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Tucumã?
In Tucumã, between 1940 and 2025, the highest apparent temperature reached 43.3 °C on 6 February 1998, and the lowest was 14.8 °C on 28 July 2020.
Compare Tucumã with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tucumã