Ourém climate — normals and trends
Ourém (Brazil) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 26.1 °C and it receives 2,027 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 November (27.6 °C on average) and the coldest is March (25.2 °C). Rainfall peaks in March.
Ourém averages 0 frost days, 242 hot days (≥ 30 °C) and 240 rainy days per year.
Ourém has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The hottest day of the period reached 37.3 °C (on 17 October 1941) and the coldest 19.4 °C (on 27 July 1975).
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
OurémPará
- coords
- -1.55°, -47.11°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.1°C
Average daily high
30.8°C
Average daily low
22.9°C
Annual rainfall
2,027mm
Sunshine / day
10.2h
Mean relative humidity
82%
Average peak wind
13.8km/h
Seasonal range
2.4°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
242 d/yr
Rainy days (≥ 1 mm)
240 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.8 °C
Average feels-like low
26.9 °C
Average peak gust
35.0 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
18.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.55 · 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
37.3 °C
17 October 1941
Coldest day
19.4 °C
27 July 1975
Wettest day
223 mm
27 March 1960
Windiest day
25.6 km/h
4 November 1944
Strongest gust
63.4 km/h
7 October 2005
Hottest feels-like
42.5 °C
7 May 1998
Coldest feels-like
21.4 °C
5 January 1960
Sunniest day
12.0 h
18 September 1940
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 | +0.4 °C | 324 mm | +77 mm |
| Feb | 29.8 °C | +0.3 °C | 422 mm | +108 mm |
| Mar | 30.1 °C | +0.9 °C | 506 mm | +119 mm |
| Apr | 30.4 °C | +1.0 °C | 323 mm | -23 mm |
| May | 31.3 °C | +1.4 °C | 179 mm | -62 mm |
| Jun | 30.8 °C | +0.7 °C | 115 mm | -20 mm |
| Jul | 31.1 °C | +0.8 °C | 87 mm | -12 mm |
| Aug | 31.0 °C | -0.1 °C | 82 mm | +31 mm |
| Sep | 31.9 °C | -0.2 °C | 33 mm | +1 mm |
| Oct | 32.2 °C | -0.8 °C | 35 mm | +13 mm |
| Nov | 32.5 °C | -0.6 °C | 39 mm | +2 mm |
| Dec | 32.0 °C | +0.1 °C | 77 mm | -38 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 Ourém?
Ourém has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 26.1 °C and it receives 2,027 mm of precipitation per year.
What is the hottest day ever recorded in Ourém?
The hottest day measured in Ourém between 1940 and 2025 was 17 October 1941, reaching 37.3 °C.
What is the coldest day in Ourém?
The coldest day measured in Ourém between 1940 and 2025 was 27 July 1975, at 19.4 °C.
Does it snow in Ourém?
Almost never: Ourém sees virtually no snow, with about 0 frost days per year.
Has the climate of Ourém warmed?
Yes: Ourém warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ourém?
The wettest day measured in Ourém between 1940 and 2025 was 27 March 1960, with 223 mm of rain in 24 hours.
What was the windiest day in Ourém?
The windiest day measured in Ourém between 1940 and 2025 was 4 November 1944, with winds reaching 25.6 km/h.
What is the warmest month in Ourém?
The warmest month in Ourém is November (27.6 °C on average); the coldest is March (25.2 °C).
How much does it rain in Ourém?
Ourém receives on average 2,027 mm of precipitation per year, spread over about 240 rainy days.
Is it sunny in Ourém?
Ourém gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.
Are there tropical nights in Ourém?
Yes: Ourém has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Ourém?
In Ourém, between 1940 and 2025, the highest apparent temperature reached 42.5 °C on 7 May 1998, and the lowest was 21.4 °C on 5 January 1960.
Compare Ourém with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ourém