Passagem Franca climate — normals and trends
Passagem Franca (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.1 °C and it receives 1,315 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 September (28.3 °C on average) and the coldest is February (24.6 °C). Rainfall peaks in March.
Passagem Franca averages 0 frost days, 251 hot days (≥ 30 °C) and 150 rainy days per year.
Passagem Franca has warmed by +1.0 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.
The hottest day of the period reached 38.9 °C (on 25 September 2023) and the coldest 17.8 °C (on 16 May 1943).
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
Passagem FrancaMaranhão
- coords
- -6.18°, -43.78°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.1°C
Average daily high
31.3°C
Average daily low
22.2°C
Annual rainfall
1,315mm
Sunshine / day
10.5h
Mean relative humidity
70%
Average peak wind
11.8km/h
Seasonal range
3.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
251 d/yr
Rainy days (≥ 1 mm)
150 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.1 °C
Average feels-like low
24.4 °C
Average peak gust
32.8 km/h
Tropical nights (≥ 20 °C)
358 d/yr
Solar radiation
19.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.22 · 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
38.9 °C
25 September 2023
Coldest day
17.8 °C
16 May 1943
Wettest day
126 mm
18 November 2022
Windiest day
27.8 km/h
10 July 1975
Strongest gust
63.4 km/h
13 June 1986
Hottest feels-like
44.1 °C
29 October 2018
Coldest feels-like
16.6 °C
31 July 1974
Sunniest day
12.1 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 | 29.9 °C | +0.5 °C | 320 mm | +79 mm |
| Feb | 30.7 °C | +1.6 °C | 98 mm | -148 mm |
| Mar | 29.9 °C | +1.0 °C | 177 mm | -108 mm |
| Apr | 31.3 °C | +2.0 °C | 58 mm | -131 mm |
| May | 32.7 °C | +2.4 °C | 4 mm | -57 mm |
| Jun | 32.8 °C | +1.5 °C | 2 mm | -7 mm |
| Jul | 33.6 °C | +1.6 °C | 0 mm | -4 mm |
| Aug | 34.2 °C | +0.8 °C | 3 mm | +1 mm |
| Sep | 35.6 °C | +1.0 °C | 1 mm | -8 mm |
| Oct | 35.3 °C | +1.1 °C | 40 mm | +5 mm |
| Nov | 34.0 °C | +1.5 °C | 18 mm | -72 mm |
| Dec | 30.8 °C | -0.2 °C | 94 mm | -54 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 Passagem Franca?
Passagem Franca has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.1 °C and it receives 1,315 mm of precipitation per year.
What is the hottest day ever recorded in Passagem Franca?
The hottest day measured in Passagem Franca between 1940 and 2025 was 25 September 2023, reaching 38.9 °C.
What is the coldest day in Passagem Franca?
The coldest day measured in Passagem Franca between 1940 and 2025 was 16 May 1943, at 17.8 °C.
Does it snow in Passagem Franca?
Almost never: Passagem Franca sees virtually no snow, with about 0 frost days per year.
Has the climate of Passagem Franca warmed?
Yes: Passagem Franca warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Passagem Franca?
The wettest day measured in Passagem Franca between 1940 and 2025 was 18 November 2022, with 126 mm of rain in 24 hours.
What was the windiest day in Passagem Franca?
The windiest day measured in Passagem Franca between 1940 and 2025 was 10 July 1975, with winds reaching 27.8 km/h.
What is the warmest month in Passagem Franca?
The warmest month in Passagem Franca is September (28.3 °C on average); the coldest is February (24.6 °C).
How much does it rain in Passagem Franca?
Passagem Franca receives on average 1,315 mm of precipitation per year, spread over about 150 rainy days.
Is it sunny in Passagem Franca?
Passagem Franca gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.
Are there tropical nights in Passagem Franca?
Yes: Passagem Franca has on average 358 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Passagem Franca?
In Passagem Franca, between 1940 and 2025, the highest apparent temperature reached 44.1 °C on 29 October 2018, and the lowest was 16.6 °C on 31 July 1974.
Compare Passagem Franca with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Passagem Franca