Mucajaí climate — normals and trends
Mucajaí (Brazil) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 26.3 °C and it receives 2,009 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 March (27.5 °C on average) and the coldest is July (24.8 °C). Rainfall peaks in May.
Mucajaí averages 0 frost days, 219 hot days (≥ 30 °C) and 225 rainy days per year.
Mucajaí has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The hottest day of the period reached 38.5 °C (on 2 October 2023) and the coldest 18.8 °C (on 21 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
MucajaíRoraima
- coords
- 2.44°, -60.91°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.3°C
Average daily high
30.6°C
Average daily low
23.0°C
Annual rainfall
2,009mm
Sunshine / day
9.9h
Mean relative humidity
81%
Average peak wind
9.5km/h
Seasonal range
2.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
219 d/yr
Rainy days (≥ 1 mm)
225 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.6 °C
Average feels-like low
26.9 °C
Average peak gust
30.5 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
17.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.58 · 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
38.5 °C
2 October 2023
Coldest day
18.8 °C
21 July 1975
Wettest day
199 mm
29 April 2016
Windiest day
22.5 km/h
10 March 2018
Strongest gust
59.0 km/h
16 January 2010
Hottest feels-like
44.0 °C
14 October 1997
Coldest feels-like
20.3 °C
25 January 1955
Sunniest day
12.0 h
23 April 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 | 32.9 °C | +1.7 °C | 42 mm | -15 mm |
| Feb | 31.9 °C | +0.1 °C | 36 mm | -14 mm |
| Mar | 32.0 °C | -0.1 °C | 124 mm | +39 mm |
| Apr | 30.8 °C | +0.1 °C | 238 mm | +4 mm |
| May | 29.7 °C | +0.6 °C | 505 mm | +123 mm |
| Jun | 29.8 °C | +1.2 °C | 283 mm | -59 mm |
| Jul | 29.6 °C | +0.9 °C | 282 mm | +15 mm |
| Aug | 31.3 °C | +1.4 °C | 126 mm | -54 mm |
| Sep | 33.3 °C | +2.1 °C | 43 mm | -69 mm |
| Oct | 32.3 °C | +0.7 °C | 133 mm | +33 mm |
| Nov | 31.8 °C | +0.8 °C | 118 mm | +3 mm |
| Dec | 30.8 °C | +0.1 °C | 67 mm | -19 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 Mucajaí?
Mucajaí has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 26.3 °C and it receives 2,009 mm of precipitation per year.
What is the hottest day ever recorded in Mucajaí?
The hottest day measured in Mucajaí between 1940 and 2025 was 2 October 2023, reaching 38.5 °C.
What is the coldest day in Mucajaí?
The coldest day measured in Mucajaí between 1940 and 2025 was 21 July 1975, at 18.8 °C.
Does it snow in Mucajaí?
Almost never: Mucajaí sees virtually no snow, with about 0 frost days per year.
Has the climate of Mucajaí warmed?
Yes: Mucajaí warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Mucajaí?
The wettest day measured in Mucajaí between 1940 and 2025 was 29 April 2016, with 199 mm of rain in 24 hours.
What was the windiest day in Mucajaí?
The windiest day measured in Mucajaí between 1940 and 2025 was 10 March 2018, with winds reaching 22.5 km/h.
What is the warmest month in Mucajaí?
The warmest month in Mucajaí is March (27.5 °C on average); the coldest is July (24.8 °C).
How much does it rain in Mucajaí?
Mucajaí receives on average 2,009 mm of precipitation per year, spread over about 225 rainy days.
Is it sunny in Mucajaí?
Mucajaí gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.
Are there tropical nights in Mucajaí?
Yes: Mucajaí has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Mucajaí?
In Mucajaí, between 1940 and 2025, the highest apparent temperature reached 44.0 °C on 14 October 1997, and the lowest was 20.3 °C on 25 January 1955.
Compare Mucajaí with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Mucajaí