Janaúba climate — normals and trends
Janaúba (Brazil) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 24.7 °C and it receives 771 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 (26.4 °C on average) and the coldest is July (22.1 °C). Rainfall peaks in December.
Janaúba averages 0 frost days, 195 hot days (≥ 30 °C) and 81 rainy days per year.
Janaúba 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 41.5 °C (on 7 October 2020) and the coldest 7.3 °C (on 20 May 2022).
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
JanaúbaMinas Gerais
- coords
- -15.80°, -43.31°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
24.7°C
Average daily high
30.2°C
Average daily low
19.6°C
Annual rainfall
771mm
Sunshine / day
10.5h
Mean relative humidity
61%
Average peak wind
13.1km/h
Seasonal range
4.3°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
195 d/yr
Rainy days (≥ 1 mm)
81 d/yr
Annual snowfall
0.0 cm
Average feels-like high
32.4 °C
Average feels-like low
20.5 °C
Average peak gust
30.1 km/h
Tropical nights (≥ 20 °C)
187 d/yr
Solar radiation
20.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.40 · 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
41.5 °C
7 October 2020
Coldest day
7.3 °C
20 May 2022
Wettest day
107 mm
16 December 1989
Windiest day
27.6 km/h
14 July 1985
Strongest gust
61.2 km/h
8 September 1973
Hottest feels-like
43.6 °C
21 October 2015
Coldest feels-like
5.1 °C
20 May 2022
Sunniest day
12.7 h
30 November 2025
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 | 30.6 °C | +0.1 °C | 177 mm | +59 mm |
| Feb | 32.7 °C | +1.7 °C | 4 mm | -80 mm |
| Mar | 33.8 °C | +3.2 °C | 34 mm | -65 mm |
| Apr | 32.5 °C | +2.5 °C | 49 mm | +8 mm |
| May | 30.4 °C | +1.1 °C | 2 mm | -8 mm |
| Jun | 30.7 °C | +2.2 °C | 0 mm | -2 mm |
| Jul | 29.9 °C | +1.7 °C | 0 mm | -1 mm |
| Aug | 31.7 °C | +1.8 °C | 1 mm | -1 mm |
| Sep | 33.1 °C | +1.1 °C | 1 mm | -10 mm |
| Oct | 33.2 °C | +1.0 °C | 50 mm | -22 mm |
| Nov | 32.1 °C | +1.8 °C | 116 mm | -49 mm |
| Dec | 31.7 °C | +1.8 °C | 145 mm | -23 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 Janaúba?
Janaúba has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 24.7 °C and it receives 771 mm of precipitation per year.
What is the hottest day ever recorded in Janaúba?
The hottest day measured in Janaúba between 1940 and 2025 was 7 October 2020, reaching 41.5 °C.
What is the coldest day in Janaúba?
The coldest day measured in Janaúba between 1940 and 2025 was 20 May 2022, at 7.3 °C.
Does it snow in Janaúba?
Almost never: Janaúba sees virtually no snow, with about 0 frost days per year.
Has the climate of Janaúba warmed?
Yes: Janaúba warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Janaúba?
The wettest day measured in Janaúba between 1940 and 2025 was 16 December 1989, with 107 mm of rain in 24 hours.
What was the windiest day in Janaúba?
The windiest day measured in Janaúba between 1940 and 2025 was 14 July 1985, with winds reaching 27.6 km/h.
What is the warmest month in Janaúba?
The warmest month in Janaúba is October (26.4 °C on average); the coldest is July (22.1 °C).
How much does it rain in Janaúba?
Janaúba receives on average 771 mm of precipitation per year, spread over about 81 rainy days.
Is it sunny in Janaúba?
Janaúba gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.
Are there tropical nights in Janaúba?
Yes: Janaúba has on average 187 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Janaúba?
In Janaúba, between 1940 and 2025, the highest apparent temperature reached 43.6 °C on 21 October 2015, and the lowest was 5.1 °C on 20 May 2022.
Compare Janaúba with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Janaúba