Januária climate — normals and trends
Januária (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 24.9 °C and it receives 848 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 (26.8 °C on average) and the coldest is July (22.6 °C). Rainfall peaks in December.
Januária averages 0 frost days, 193 hot days (≥ 30 °C) and 87 rainy days per year.
Januária 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 41.1 °C (on 22 October 2015) and the coldest 9.6 °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
JanuáriaMinas Gerais
- coords
- -15.48°, -44.37°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
24.9°C
Average daily high
30.2°C
Average daily low
20.2°C
Annual rainfall
848mm
Sunshine / day
10.6h
Mean relative humidity
62%
Average peak wind
12.5km/h
Seasonal range
4.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
193 d/yr
Rainy days (≥ 1 mm)
87 d/yr
Annual snowfall
0.0 cm
Average feels-like high
32.4 °C
Average feels-like low
21.1 °C
Average peak gust
30.6 km/h
Tropical nights (≥ 20 °C)
221 d/yr
Solar radiation
20.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.42 · 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
41.1 °C
22 October 2015
Coldest day
9.6 °C
20 May 2022
Wettest day
161 mm
15 November 1943
Windiest day
27.3 km/h
17 December 1989
Strongest gust
66.6 km/h
17 December 1989
Hottest feels-like
44.4 °C
21 October 2015
Coldest feels-like
7.1 °C
19 May 2022
Sunniest day
12.7 h
3 January 1947
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 | +0.5 °C | 180 mm | +42 mm |
| Feb | 32.8 °C | +2.3 °C | 14 mm | -84 mm |
| Mar | 34.2 °C | +4.1 °C | 54 mm | -57 mm |
| Apr | 32.4 °C | +2.5 °C | 51 mm | +8 mm |
| May | 31.0 °C | +1.6 °C | 1 mm | -10 mm |
| Jun | 31.0 °C | +2.3 °C | 0 mm | -2 mm |
| Jul | 30.1 °C | +1.5 °C | 0 mm | -1 mm |
| Aug | 31.8 °C | +1.4 °C | 0 mm | -1 mm |
| Sep | 33.3 °C | +0.8 °C | 1 mm | -10 mm |
| Oct | 33.5 °C | +1.0 °C | 39 mm | -36 mm |
| Nov | 32.4 °C | +2.2 °C | 94 mm | -82 mm |
| Dec | 31.8 °C | +2.2 °C | 120 mm | -63 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 Januária?
Januária has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 24.9 °C and it receives 848 mm of precipitation per year.
What is the hottest day ever recorded in Januária?
The hottest day measured in Januária between 1940 and 2025 was 22 October 2015, reaching 41.1 °C.
What is the coldest day in Januária?
The coldest day measured in Januária between 1940 and 2025 was 20 May 2022, at 9.6 °C.
Does it snow in Januária?
Almost never: Januária sees virtually no snow, with about 0 frost days per year.
Has the climate of Januária warmed?
Yes: Januária warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Januária?
The wettest day measured in Januária between 1940 and 2025 was 15 November 1943, with 161 mm of rain in 24 hours.
What was the windiest day in Januária?
The windiest day measured in Januária between 1940 and 2025 was 17 December 1989, with winds reaching 27.3 km/h.
What is the warmest month in Januária?
The warmest month in Januária is October (26.8 °C on average); the coldest is July (22.6 °C).
How much does it rain in Januária?
Januária receives on average 848 mm of precipitation per year, spread over about 87 rainy days.
Is it sunny in Januária?
Januária gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.
Are there tropical nights in Januária?
Yes: Januária has on average 221 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Januária?
In Januária, between 1940 and 2025, the highest apparent temperature reached 44.4 °C on 21 October 2015, and the lowest was 7.1 °C on 19 May 2022.
Compare Januária with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Januária