Guamaré climate — normals and trends
Guamaré (Brazil) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 26.7 °C and it receives 544 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 December (27.2 °C on average) and the coldest is July (25.9 °C). Rainfall peaks in March.
Guamaré averages 0 frost days, 36 hot days (≥ 30 °C) and 87 rainy days per year.
Guamaré has warmed by +0.8 °C between 1940 and 2025, or +0.09 °C per decade. This trend is statistically significant.
The hottest day of the period reached 32.1 °C (on 6 April 1998) and the coldest 21.8 °C (on 6 August 1955).
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
GuamaréRio Grande do Norte
- coords
- -5.11°, -36.32°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.7°C
Average daily high
28.9°C
Average daily low
24.8°C
Annual rainfall
544mm
Sunshine / day
11.1h
Mean relative humidity
75%
Average peak wind
30.1km/h
Seasonal range
1.3°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
36 d/yr
Rainy days (≥ 1 mm)
87 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.4 °C
Average feels-like low
26.1 °C
Average peak gust
43.2 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
20.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.8 °C
since 1940
+0.1 °C per decade · r² = 0.44 · 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
32.1 °C
6 April 1998
Coldest day
21.8 °C
6 August 1955
Wettest day
129 mm
30 January 2014
Windiest day
43.8 km/h
3 November 2005
Strongest gust
64.1 km/h
18 September 1955
Hottest feels-like
37.1 °C
14 March 1998
Coldest feels-like
18.8 °C
4 September 1945
Sunniest day
12.3 h
7 January 1940
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 29.4 °C | +0.4 °C | 78 mm | +26 mm |
| Feb | 29.9 °C | +1.0 °C | 61 mm | -25 mm |
| Mar | 29.5 °C | +0.9 °C | 153 mm | +5 mm |
| Apr | 30.1 °C | +1.3 °C | 45 mm | -87 mm |
| May | 30.0 °C | +0.9 °C | 33 mm | -32 mm |
| Jun | 29.2 °C | +0.4 °C | 48 mm | +22 mm |
| Jul | 28.6 °C | +0.1 °C | 15 mm | -0 mm |
| Aug | 29.1 °C | +0.5 °C | 5 mm | +2 mm |
| Sep | 29.3 °C | +0.5 °C | 1 mm | +1 mm |
| Oct | 29.5 °C | +0.6 °C | 1 mm | -1 mm |
| Nov | 29.3 °C | +0.2 °C | 2 mm | -1 mm |
| Dec | 29.4 °C | +0.2 °C | 3 mm | -9 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 Guamaré?
Guamaré has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 26.7 °C and it receives 544 mm of precipitation per year.
What is the hottest day ever recorded in Guamaré?
The hottest day measured in Guamaré between 1940 and 2025 was 6 April 1998, reaching 32.1 °C.
What is the coldest day in Guamaré?
The coldest day measured in Guamaré between 1940 and 2025 was 6 August 1955, at 21.8 °C.
Does it snow in Guamaré?
Almost never: Guamaré sees virtually no snow, with about 0 frost days per year.
Has the climate of Guamaré warmed?
Yes: Guamaré warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Guamaré?
The wettest day measured in Guamaré between 1940 and 2025 was 30 January 2014, with 129 mm of rain in 24 hours.
What was the windiest day in Guamaré?
The windiest day measured in Guamaré between 1940 and 2025 was 3 November 2005, with winds reaching 43.8 km/h.
What is the warmest month in Guamaré?
The warmest month in Guamaré is December (27.2 °C on average); the coldest is July (25.9 °C).
How much does it rain in Guamaré?
Guamaré receives on average 544 mm of precipitation per year, spread over about 87 rainy days.
Is it sunny in Guamaré?
Guamaré gets on average 11.1 hours of sunshine per day, roughly 4,052 hours per year over 1940-2025.
Are there tropical nights in Guamaré?
Yes: Guamaré has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Guamaré?
In Guamaré, between 1940 and 2025, the highest apparent temperature reached 37.1 °C on 14 March 1998, and the lowest was 18.8 °C on 4 September 1945.
Compare Guamaré with another city
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Nearby cities
The climate around Guamaré