Careiro da Várzea climate — normals and trends
Careiro da Várzea (Brazil) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 26.9 °C and it receives 2,403 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 (28.0 °C on average) and the coldest is January (26.3 °C). Rainfall peaks in March.
Careiro da Várzea averages 0 frost days, 176 hot days (≥ 30 °C) and 286 rainy days per year.
Careiro da Várzea 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 38.2 °C (on 22 October 2015) and the coldest 19.3 °C (on 19 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
Careiro da VárzeaAmazonas
- coords
- -3.20°, -59.83°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.9°C
Average daily high
30.0°C
Average daily low
24.7°C
Annual rainfall
2,403mm
Sunshine / day
9.5h
Mean relative humidity
84%
Average peak wind
9.8km/h
Seasonal range
1.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
176 d/yr
Rainy days (≥ 1 mm)
286 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.2 °C
Average feels-like low
29.6 °C
Average peak gust
26.9 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
16.8 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
38.2 °C
22 October 2015
Coldest day
19.3 °C
19 July 1975
Wettest day
212 mm
30 December 2008
Windiest day
23.5 km/h
26 January 2016
Strongest gust
49.3 km/h
25 August 2012
Hottest feels-like
44.3 °C
30 September 1973
Coldest feels-like
18.6 °C
19 July 1975
Sunniest day
12.0 h
13 January 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 | 29.8 °C | +0.7 °C | 144 mm | -118 mm |
| Feb | 29.3 °C | +0.2 °C | 528 mm | +251 mm |
| Mar | 29.5 °C | +0.2 °C | 304 mm | -24 mm |
| Apr | 30.3 °C | +1.1 °C | 297 mm | -24 mm |
| May | 30.5 °C | +1.2 °C | 163 mm | -99 mm |
| Jun | 30.5 °C | +0.9 °C | 139 mm | -7 mm |
| Jul | 31.2 °C | +1.1 °C | 36 mm | -61 mm |
| Aug | 31.9 °C | +0.8 °C | 70 mm | -18 mm |
| Sep | 32.2 °C | +0.7 °C | 51 mm | -52 mm |
| Oct | 31.6 °C | +0.1 °C | 109 mm | -13 mm |
| Nov | 31.8 °C | +1.1 °C | 216 mm | +54 mm |
| Dec | 30.7 °C | +1.0 °C | 389 mm | +153 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 Careiro da Várzea?
Careiro da Várzea has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 26.9 °C and it receives 2,403 mm of precipitation per year.
What is the hottest day ever recorded in Careiro da Várzea?
The hottest day measured in Careiro da Várzea between 1940 and 2025 was 22 October 2015, reaching 38.2 °C.
What is the coldest day in Careiro da Várzea?
The coldest day measured in Careiro da Várzea between 1940 and 2025 was 19 July 1975, at 19.3 °C.
Does it snow in Careiro da Várzea?
Almost never: Careiro da Várzea sees virtually no snow, with about 0 frost days per year.
Has the climate of Careiro da Várzea warmed?
Yes: Careiro da Várzea warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Careiro da Várzea?
The wettest day measured in Careiro da Várzea between 1940 and 2025 was 30 December 2008, with 212 mm of rain in 24 hours.
What was the windiest day in Careiro da Várzea?
The windiest day measured in Careiro da Várzea between 1940 and 2025 was 26 January 2016, with winds reaching 23.5 km/h.
What is the warmest month in Careiro da Várzea?
The warmest month in Careiro da Várzea is October (28.0 °C on average); the coldest is January (26.3 °C).
How much does it rain in Careiro da Várzea?
Careiro da Várzea receives on average 2,403 mm of precipitation per year, spread over about 286 rainy days.
Is it sunny in Careiro da Várzea?
Careiro da Várzea gets on average 9.5 hours of sunshine per day, roughly 3,468 hours per year over 1940-2025.
Are there tropical nights in Careiro da Várzea?
Yes: Careiro da Várzea has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Careiro da Várzea?
In Careiro da Várzea, between 1940 and 2025, the highest apparent temperature reached 44.3 °C on 30 September 1973, and the lowest was 18.6 °C on 19 July 1975.
Compare Careiro da Várzea with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Careiro da Várzea