Bom Jesus climate — normals and trends
Bom Jesus (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.6 °C and it receives 834 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 (29.2 °C on average) and the coldest is March (25.2 °C). Rainfall peaks in March.
Bom Jesus averages 0 frost days, 279 hot days (≥ 30 °C) and 103 rainy days per year.
Bom Jesus has warmed by +0.8 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.
The hottest day of the period reached 40.4 °C (on 15 September 2023) and the coldest 14.6 °C (on 11 August 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
Bom JesusPiauí
- coords
- -9.07°, -44.36°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.6°C
Average daily high
32.0°C
Average daily low
21.7°C
Annual rainfall
834mm
Sunshine / day
10.9h
Mean relative humidity
60%
Average peak wind
13.3km/h
Seasonal range
4.0°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
279 d/yr
Rainy days (≥ 1 mm)
103 d/yr
Annual snowfall
0.0 cm
Average feels-like high
34.6 °C
Average feels-like low
23.2 °C
Average peak gust
33.1 km/h
Tropical nights (≥ 20 °C)
324 d/yr
Solar radiation
20.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.8 °C
since 1940
+0.1 °C per decade · r² = 0.10 · p = 0.003
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
40.4 °C
15 September 2023
Coldest day
14.6 °C
11 August 2022
Wettest day
119 mm
25 March 2013
Windiest day
28.8 km/h
13 August 1970
Strongest gust
57.6 km/h
16 August 1956
Hottest feels-like
43.9 °C
14 October 2018
Coldest feels-like
12.4 °C
11 August 2022
Sunniest day
12.4 h
24 November 1958
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 | 30.1 °C | -0.4 °C | 216 mm | +63 mm |
| Feb | 32.0 °C | +1.9 °C | 17 mm | -135 mm |
| Mar | 32.6 °C | +2.8 °C | 33 mm | -130 mm |
| Apr | 33.1 °C | +2.8 °C | 21 mm | -64 mm |
| May | 33.5 °C | +2.1 °C | 1 mm | -19 mm |
| Jun | 33.9 °C | +2.2 °C | 0 mm | -2 mm |
| Jul | 34.2 °C | +2.2 °C | 0 mm | -1 mm |
| Aug | 35.2 °C | +1.6 °C | 0 mm | -0 mm |
| Sep | 36.7 °C | +1.4 °C | 0 mm | -5 mm |
| Oct | 36.2 °C | +1.1 °C | 27 mm | -7 mm |
| Nov | 34.1 °C | +1.2 °C | 47 mm | -48 mm |
| Dec | 31.2 °C | -0.2 °C | 56 mm | -67 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 Bom Jesus?
Bom Jesus has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.6 °C and it receives 834 mm of precipitation per year.
What is the hottest day ever recorded in Bom Jesus?
The hottest day measured in Bom Jesus between 1940 and 2025 was 15 September 2023, reaching 40.4 °C.
What is the coldest day in Bom Jesus?
The coldest day measured in Bom Jesus between 1940 and 2025 was 11 August 2022, at 14.6 °C.
Does it snow in Bom Jesus?
Almost never: Bom Jesus sees virtually no snow, with about 0 frost days per year.
Has the climate of Bom Jesus warmed?
Yes: Bom Jesus warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Bom Jesus?
The wettest day measured in Bom Jesus between 1940 and 2025 was 25 March 2013, with 119 mm of rain in 24 hours.
What was the windiest day in Bom Jesus?
The windiest day measured in Bom Jesus between 1940 and 2025 was 13 August 1970, with winds reaching 28.8 km/h.
What is the warmest month in Bom Jesus?
The warmest month in Bom Jesus is October (29.2 °C on average); the coldest is March (25.2 °C).
How much does it rain in Bom Jesus?
Bom Jesus receives on average 834 mm of precipitation per year, spread over about 103 rainy days.
Is it sunny in Bom Jesus?
Bom Jesus gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.
Are there tropical nights in Bom Jesus?
Yes: Bom Jesus has on average 324 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Bom Jesus?
In Bom Jesus, between 1940 and 2025, the highest apparent temperature reached 43.9 °C on 14 October 2018, and the lowest was 12.4 °C on 11 August 2022.
Compare Bom Jesus with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Bom Jesus