Codajás climate — normals and trends
Codajás (Brazil) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 26.1 °C and it receives 2,632 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 October (27.0 °C on average) and the coldest is January (25.7 °C). Rainfall peaks in April.
Codajás averages 0 frost days, 169 hot days (≥ 30 °C) and 305 rainy days per year.
Codajás has warmed by +1.4 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.
The hottest day of the period reached 37.4 °C (on 25 September 2015) and the coldest 17.4 °C (on 18 July 1975).
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
CodajásAmazonas
- coords
- -3.84°, -62.06°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.1°C
Average daily high
29.8°C
Average daily low
23.8°C
Annual rainfall
2,632mm
Sunshine / day
9.0h
Mean relative humidity
88%
Average peak wind
7.8km/h
Seasonal range
1.3°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
169 d/yr
Rainy days (≥ 1 mm)
305 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.4 °C
Average feels-like low
28.6 °C
Average peak gust
26.4 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
16.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.62 · 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
37.4 °C
25 September 2015
Coldest day
17.4 °C
18 July 1975
Wettest day
180 mm
23 February 2025
Windiest day
19.5 km/h
22 January 1965
Strongest gust
52.6 km/h
4 March 1991
Hottest feels-like
44.8 °C
6 October 2001
Coldest feels-like
16.2 °C
18 July 1975
Sunniest day
12.0 h
21 September 1940
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 | 30.2 °C | +1.0 °C | 237 mm | -53 mm |
| Feb | 29.5 °C | +0.2 °C | 647 mm | +357 mm |
| Mar | 29.7 °C | +0.3 °C | 346 mm | +12 mm |
| Apr | 29.8 °C | +0.7 °C | 378 mm | +42 mm |
| May | 30.2 °C | +1.2 °C | 191 mm | -86 mm |
| Jun | 30.4 °C | +1.2 °C | 126 mm | -33 mm |
| Jul | 31.2 °C | +1.5 °C | 34 mm | -71 mm |
| Aug | 31.6 °C | +1.0 °C | 96 mm | -7 mm |
| Sep | 31.3 °C | +0.3 °C | 121 mm | -6 mm |
| Oct | 30.7 °C | -0.4 °C | 170 mm | +17 mm |
| Nov | 31.1 °C | +0.6 °C | 294 mm | +97 mm |
| Dec | 30.5 °C | +0.9 °C | 245 mm | -20 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 Codajás?
Codajás has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 26.1 °C and it receives 2,632 mm of precipitation per year.
What is the hottest day ever recorded in Codajás?
The hottest day measured in Codajás between 1940 and 2025 was 25 September 2015, reaching 37.4 °C.
What is the coldest day in Codajás?
The coldest day measured in Codajás between 1940 and 2025 was 18 July 1975, at 17.4 °C.
Does it snow in Codajás?
Almost never: Codajás sees virtually no snow, with about 0 frost days per year.
Has the climate of Codajás warmed?
Yes: Codajás warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Codajás?
The wettest day measured in Codajás between 1940 and 2025 was 23 February 2025, with 180 mm of rain in 24 hours.
What was the windiest day in Codajás?
The windiest day measured in Codajás between 1940 and 2025 was 22 January 1965, with winds reaching 19.5 km/h.
What is the warmest month in Codajás?
The warmest month in Codajás is October (27.0 °C on average); the coldest is January (25.7 °C).
How much does it rain in Codajás?
Codajás receives on average 2,632 mm of precipitation per year, spread over about 305 rainy days.
Is it sunny in Codajás?
Codajás gets on average 9.0 hours of sunshine per day, roughly 3,285 hours per year over 1940-2025.
Are there tropical nights in Codajás?
Yes: Codajás has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Codajás?
In Codajás, between 1940 and 2025, the highest apparent temperature reached 44.8 °C on 6 October 2001, and the lowest was 16.2 °C on 18 July 1975.
Compare Codajás with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Codajás