Carmo climate — normals and trends
Carmo (Brazil) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 20.5 °C and it receives 1,263 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 (23.3 °C on average) and the coldest is July (17.2 °C). Rainfall peaks in December.
Carmo averages 0 frost days, 20 hot days (≥ 30 °C) and 147 rainy days per year.
Carmo has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The hottest day of the period reached 35.5 °C (on 17 January 1995) and the coldest 5.5 °C (on 1 June 1979).
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
CarmoRio de Janeiro
- coords
- -21.93°, -42.61°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
20.5°C
Average daily high
25.0°C
Average daily low
16.7°C
Annual rainfall
1,263mm
Sunshine / day
9.4h
Mean relative humidity
80%
Average peak wind
10.0km/h
Seasonal range
6.1°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
20 d/yr
Rainy days (≥ 1 mm)
147 d/yr
Annual snowfall
0.0 cm
Average feels-like high
27.3 °C
Average feels-like low
18.0 °C
Average peak gust
27.4 km/h
Tropical nights (≥ 20 °C)
51 d/yr
Solar radiation
16.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °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
35.5 °C
17 January 1995
Coldest day
5.5 °C
1 June 1979
Wettest day
136 mm
8 December 1946
Windiest day
30.5 km/h
29 December 1990
Strongest gust
69.8 km/h
29 December 1990
Hottest feels-like
40.3 °C
24 December 1997
Coldest feels-like
2.8 °C
1 June 1979
Sunniest day
13.3 h
2 January 2010
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 | 28.3 °C | +0.9 °C | 140 mm | -64 mm |
| Feb | 30.2 °C | +2.4 °C | 10 mm | -123 mm |
| Mar | 28.4 °C | +1.3 °C | 114 mm | -9 mm |
| Apr | 25.8 °C | +0.3 °C | 96 mm | +29 mm |
| May | 24.3 °C | +0.8 °C | 7 mm | -32 mm |
| Jun | 23.6 °C | +1.2 °C | 10 mm | -15 mm |
| Jul | 22.4 °C | +0.3 °C | 7 mm | -15 mm |
| Aug | 23.8 °C | +0.5 °C | 16 mm | -14 mm |
| Sep | 24.6 °C | +0.2 °C | 36 mm | -30 mm |
| Oct | 25.2 °C | +0.1 °C | 82 mm | -46 mm |
| Nov | 26.5 °C | +1.1 °C | 83 mm | -109 mm |
| Dec | 28.7 °C | +2.3 °C | 211 mm | -21 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 Carmo?
Carmo has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 20.5 °C and it receives 1,263 mm of precipitation per year.
What is the hottest day ever recorded in Carmo?
The hottest day measured in Carmo between 1940 and 2025 was 17 January 1995, reaching 35.5 °C.
What is the coldest day in Carmo?
The coldest day measured in Carmo between 1940 and 2025 was 1 June 1979, at 5.5 °C.
Does it snow in Carmo?
Almost never: Carmo sees virtually no snow, with about 0 frost days per year.
Has the climate of Carmo warmed?
Yes: Carmo warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Carmo?
The wettest day measured in Carmo between 1940 and 2025 was 8 December 1946, with 136 mm of rain in 24 hours.
What was the windiest day in Carmo?
The windiest day measured in Carmo between 1940 and 2025 was 29 December 1990, with winds reaching 30.5 km/h.
What is the warmest month in Carmo?
The warmest month in Carmo is February (23.3 °C on average); the coldest is July (17.2 °C).
How much does it rain in Carmo?
Carmo receives on average 1,263 mm of precipitation per year, spread over about 147 rainy days.
Is it sunny in Carmo?
Carmo gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.
Are there tropical nights in Carmo?
Yes: Carmo has on average 51 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Carmo?
In Carmo, between 1940 and 2025, the highest apparent temperature reached 40.3 °C on 24 December 1997, and the lowest was 2.8 °C on 1 June 1979.
Compare Carmo with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Carmo