Macaíba climate — normals and trends
Macaíba (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.8 °C and it receives 1,176 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 (26.5 °C on average) and the coldest is July (24.7 °C). Rainfall peaks in April.
Macaíba averages 0 frost days, 0 hot days (≥ 30 °C) and 236 rainy days per year.
Macaíba has warmed by +0.7 °C between 1940 and 2025, or +0.08 °C per decade. This trend is statistically significant.
The hottest day of the period reached 30.5 °C (on 20 March 1988) and the coldest 21.6 °C (on 7 August 1945).
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
MacaíbaRio Grande do Norte
- coords
- -5.86°, -35.35°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.8°C
Average daily high
27.4°C
Average daily low
24.4°C
Annual rainfall
1,176mm
Sunshine / day
11.1h
Mean relative humidity
80%
Average peak wind
25.4km/h
Seasonal range
1.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
236 d/yr
Annual snowfall
0.0 cm
Average feels-like high
30.1 °C
Average feels-like low
26.4 °C
Average peak gust
40.3 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
20.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.7 °C
since 1940
+0.1 °C per decade · r² = 0.47 · 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
30.5 °C
20 March 1988
Coldest day
21.6 °C
7 August 1945
Wettest day
159 mm
5 May 2004
Windiest day
41.1 km/h
19 August 1947
Strongest gust
63.7 km/h
19 August 1947
Hottest feels-like
38.3 °C
2 April 2024
Coldest feels-like
20.5 °C
24 July 1975
Sunniest day
12.3 h
15 January 2024
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 | 28.5 °C | +0.5 °C | 101 mm | +13 mm |
| Feb | 28.5 °C | +0.5 °C | 131 mm | +12 mm |
| Mar | 28.4 °C | +0.4 °C | 174 mm | -7 mm |
| Apr | 28.8 °C | +1.0 °C | 103 mm | -89 mm |
| May | 28.1 °C | +0.5 °C | 168 mm | +11 mm |
| Jun | 27.2 °C | +0.4 °C | 183 mm | +48 mm |
| Jul | 26.2 °C | -0.1 °C | 148 mm | +38 mm |
| Aug | 26.7 °C | +0.2 °C | 74 mm | +23 mm |
| Sep | 27.1 °C | +0.2 °C | 39 mm | +2 mm |
| Oct | 27.4 °C | 0.0 °C | 37 mm | +6 mm |
| Nov | 27.8 °C | +0.1 °C | 20 mm | -8 mm |
| Dec | 28.0 °C | +0.1 °C | 27 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 Macaíba?
Macaíba has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.8 °C and it receives 1,176 mm of precipitation per year.
What is the hottest day ever recorded in Macaíba?
The hottest day measured in Macaíba between 1940 and 2025 was 20 March 1988, reaching 30.5 °C.
What is the coldest day in Macaíba?
The coldest day measured in Macaíba between 1940 and 2025 was 7 August 1945, at 21.6 °C.
Does it snow in Macaíba?
Almost never: Macaíba sees virtually no snow, with about 0 frost days per year.
Has the climate of Macaíba warmed?
Yes: Macaíba warmed by +0.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Macaíba?
The wettest day measured in Macaíba between 1940 and 2025 was 5 May 2004, with 159 mm of rain in 24 hours.
What was the windiest day in Macaíba?
The windiest day measured in Macaíba between 1940 and 2025 was 19 August 1947, with winds reaching 41.1 km/h.
What is the warmest month in Macaíba?
The warmest month in Macaíba is February (26.5 °C on average); the coldest is July (24.7 °C).
How much does it rain in Macaíba?
Macaíba receives on average 1,176 mm of precipitation per year, spread over about 236 rainy days.
Is it sunny in Macaíba?
Macaíba gets on average 11.1 hours of sunshine per day, roughly 4,052 hours per year over 1940-2025.
Are there tropical nights in Macaíba?
Yes: Macaíba has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Macaíba?
In Macaíba, between 1940 and 2025, the highest apparent temperature reached 38.3 °C on 2 April 2024, and the lowest was 20.5 °C on 24 July 1975.
Compare Macaíba with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Macaíba