Alenquer climate — normals and trends
Alenquer (Brazil) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 27.4 °C and it receives 2,377 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 February (26.4 °C). Rainfall peaks in March.
Alenquer averages 0 frost days, 229 hot days (≥ 30 °C) and 237 rainy days per year.
Alenquer has warmed by +0.7 °C between 1940 and 2025, or +0.09 °C per decade. This trend is statistically significant.
The hottest day of the period reached 37.4 °C (on 27 October 1958) and the coldest 21.4 °C (on 5 April 1971).
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
AlenquerPará
- coords
- -1.94°, -54.74°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
27.4°C
Average daily high
30.8°C
Average daily low
24.8°C
Annual rainfall
2,377mm
Sunshine / day
10.1h
Mean relative humidity
80%
Average peak wind
10.9km/h
Seasonal range
2.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
229 d/yr
Rainy days (≥ 1 mm)
237 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.7 °C
Average feels-like low
29.0 °C
Average peak gust
28.6 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
18.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.7 °C
since 1940
+0.1 °C per decade · r² = 0.18 · 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
37.4 °C
27 October 1958
Coldest day
21.4 °C
5 April 1971
Wettest day
273 mm
31 January 1958
Windiest day
25.1 km/h
21 October 2017
Strongest gust
55.8 km/h
17 September 2002
Hottest feels-like
43.4 °C
18 October 1997
Coldest feels-like
23.9 °C
21 July 1975
Sunniest day
12.0 h
7 December 2017
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 | +0.9 °C | 319 mm | -8 mm |
| Feb | 29.7 °C | +0.2 °C | 478 mm | +175 mm |
| Mar | 29.8 °C | +0.3 °C | 403 mm | +43 mm |
| Apr | 30.6 °C | +1.2 °C | 254 mm | -99 mm |
| May | 30.5 °C | +1.0 °C | 146 mm | -128 mm |
| Jun | 30.0 °C | +0.1 °C | 129 mm | -9 mm |
| Jul | 30.9 °C | +0.3 °C | 55 mm | -27 mm |
| Aug | 32.1 °C | 0.0 °C | 53 mm | -4 mm |
| Sep | 33.7 °C | +0.6 °C | 2 mm | -56 mm |
| Oct | 33.7 °C | +0.5 °C | 46 mm | -31 mm |
| Nov | 33.3 °C | +1.2 °C | 80 mm | -55 mm |
| Dec | 31.5 °C | +0.5 °C | 196 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 Alenquer?
Alenquer has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 27.4 °C and it receives 2,377 mm of precipitation per year.
What is the hottest day ever recorded in Alenquer?
The hottest day measured in Alenquer between 1940 and 2025 was 27 October 1958, reaching 37.4 °C.
What is the coldest day in Alenquer?
The coldest day measured in Alenquer between 1940 and 2025 was 5 April 1971, at 21.4 °C.
Does it snow in Alenquer?
Almost never: Alenquer sees virtually no snow, with about 0 frost days per year.
Has the climate of Alenquer warmed?
Yes: Alenquer warmed by +0.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Alenquer?
The wettest day measured in Alenquer between 1940 and 2025 was 31 January 1958, with 273 mm of rain in 24 hours.
What was the windiest day in Alenquer?
The windiest day measured in Alenquer between 1940 and 2025 was 21 October 2017, with winds reaching 25.1 km/h.
What is the warmest month in Alenquer?
The warmest month in Alenquer is October (29.2 °C on average); the coldest is February (26.4 °C).
How much does it rain in Alenquer?
Alenquer receives on average 2,377 mm of precipitation per year, spread over about 237 rainy days.
Is it sunny in Alenquer?
Alenquer gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.
Are there tropical nights in Alenquer?
Yes: Alenquer has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Alenquer?
In Alenquer, between 1940 and 2025, the highest apparent temperature reached 43.4 °C on 18 October 1997, and the lowest was 23.9 °C on 21 July 1975.
Compare Alenquer with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Alenquer