Morrinhos climate — normals and trends
Morrinhos (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 23.2 °C and it receives 1,371 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 (25.1 °C on average) and the coldest is June (20.7 °C). Rainfall peaks in December.
Morrinhos averages 0 frost days, 108 hot days (≥ 30 °C) and 155 rainy days per year.
Morrinhos has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.9 °C (on 26 October 1961) and the coldest 3.9 °C (on 1 June 1979).
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
MorrinhosGoiás
- coords
- -17.73°, -49.10°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.2°C
Average daily high
28.7°C
Average daily low
18.5°C
Annual rainfall
1,371mm
Sunshine / day
10.3h
Mean relative humidity
68%
Average peak wind
12.3km/h
Seasonal range
4.4°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
108 d/yr
Rainy days (≥ 1 mm)
155 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.0 °C
Average feels-like low
19.5 °C
Average peak gust
30.3 km/h
Tropical nights (≥ 20 °C)
121 d/yr
Solar radiation
19.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.58 · 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
39.9 °C
26 October 1961
Coldest day
3.9 °C
1 June 1979
Wettest day
120 mm
11 January 1966
Windiest day
30.2 km/h
25 December 1986
Strongest gust
70.2 km/h
25 December 1986
Hottest feels-like
41.4 °C
21 October 2015
Coldest feels-like
0.7 °C
21 July 1981
Sunniest day
12.9 h
19 January 2025
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 | 28.9 °C | +0.6 °C | 298 mm | +61 mm |
| Feb | 30.0 °C | +1.5 °C | 54 mm | -136 mm |
| Mar | 30.7 °C | +2.2 °C | 83 mm | -95 mm |
| Apr | 29.2 °C | +0.9 °C | 107 mm | +28 mm |
| May | 27.8 °C | +0.5 °C | 1 mm | -27 mm |
| Jun | 27.9 °C | +0.9 °C | 8 mm | -0 mm |
| Jul | 27.9 °C | +0.6 °C | 0 mm | -7 mm |
| Aug | 30.4 °C | +0.7 °C | 1 mm | -8 mm |
| Sep | 32.5 °C | +1.0 °C | 47 mm | +7 mm |
| Oct | 31.6 °C | +1.0 °C | 37 mm | -98 mm |
| Nov | 31.7 °C | +2.8 °C | 114 mm | -98 mm |
| Dec | 29.1 °C | +0.9 °C | 204 mm | -46 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 Morrinhos?
Morrinhos has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 23.2 °C and it receives 1,371 mm of precipitation per year.
What is the hottest day ever recorded in Morrinhos?
The hottest day measured in Morrinhos between 1940 and 2025 was 26 October 1961, reaching 39.9 °C.
What is the coldest day in Morrinhos?
The coldest day measured in Morrinhos between 1940 and 2025 was 1 June 1979, at 3.9 °C.
Does it snow in Morrinhos?
Almost never: Morrinhos sees virtually no snow, with about 0 frost days per year.
Has the climate of Morrinhos warmed?
Yes: Morrinhos warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Morrinhos?
The wettest day measured in Morrinhos between 1940 and 2025 was 11 January 1966, with 120 mm of rain in 24 hours.
What was the windiest day in Morrinhos?
The windiest day measured in Morrinhos between 1940 and 2025 was 25 December 1986, with winds reaching 30.2 km/h.
What is the warmest month in Morrinhos?
The warmest month in Morrinhos is September (25.1 °C on average); the coldest is June (20.7 °C).
How much does it rain in Morrinhos?
Morrinhos receives on average 1,371 mm of precipitation per year, spread over about 155 rainy days.
Is it sunny in Morrinhos?
Morrinhos gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.
Are there tropical nights in Morrinhos?
Yes: Morrinhos has on average 121 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Morrinhos?
In Morrinhos, between 1940 and 2025, the highest apparent temperature reached 41.4 °C on 21 October 2015, and the lowest was 0.7 °C on 21 July 1981.
Compare Morrinhos with another city
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Nearby cities
The climate around Morrinhos