Senador Guiomard climate — normals and trends
Senador Guiomard (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.2 °C and it receives 1,801 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 (26.3 °C on average) and the coldest is June (23.9 °C). Rainfall peaks in February.
Senador Guiomard averages 0 frost days, 216 hot days (≥ 30 °C) and 222 rainy days per year.
Senador Guiomard has warmed by +1.2 °C between 1940 and 2025, or +0.14 °C per decade. This trend is statistically significant.
The hottest day of the period reached 40.6 °C (on 30 September 2010) and the coldest 8.3 °C (on 19 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
Senador GuiomardAcre
- coords
- -10.15°, -67.74°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.2°C
Average daily high
30.5°C
Average daily low
21.6°C
Annual rainfall
1,801mm
Sunshine / day
9.2h
Mean relative humidity
84%
Average peak wind
9.3km/h
Seasonal range
2.4°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
216 d/yr
Rainy days (≥ 1 mm)
222 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.0 °C
Average feels-like low
25.0 °C
Average peak gust
27.1 km/h
Tropical nights (≥ 20 °C)
310 d/yr
Solar radiation
17.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.45 · 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
40.6 °C
30 September 2010
Coldest day
8.3 °C
19 July 1975
Wettest day
145 mm
12 May 1947
Windiest day
26.6 km/h
25 June 1994
Strongest gust
68.4 km/h
25 June 1994
Hottest feels-like
45.1 °C
1 October 2010
Coldest feels-like
5.0 °C
19 July 1975
Sunniest day
12.6 h
17 December 1941
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 | 30.8 °C | +1.0 °C | 241 mm | -5 mm |
| Feb | 30.0 °C | +0.3 °C | 307 mm | +61 mm |
| Mar | 30.3 °C | +0.5 °C | 293 mm | +53 mm |
| Apr | 30.3 °C | +0.7 °C | 204 mm | +35 mm |
| May | 31.0 °C | +1.9 °C | 80 mm | -15 mm |
| Jun | 30.0 °C | +0.7 °C | 38 mm | -6 mm |
| Jul | 31.9 °C | +1.2 °C | 32 mm | +5 mm |
| Aug | 33.5 °C | +1.1 °C | 24 mm | -22 mm |
| Sep | 32.9 °C | +0.2 °C | 109 mm | +23 mm |
| Oct | 32.2 °C | +0.4 °C | 143 mm | -11 mm |
| Nov | 31.1 °C | +0.4 °C | 258 mm | +51 mm |
| Dec | 29.8 °C | -0.2 °C | 279 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 Senador Guiomard?
Senador Guiomard has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.2 °C and it receives 1,801 mm of precipitation per year.
What is the hottest day ever recorded in Senador Guiomard?
The hottest day measured in Senador Guiomard between 1940 and 2025 was 30 September 2010, reaching 40.6 °C.
What is the coldest day in Senador Guiomard?
The coldest day measured in Senador Guiomard between 1940 and 2025 was 19 July 1975, at 8.3 °C.
Does it snow in Senador Guiomard?
Almost never: Senador Guiomard sees virtually no snow, with about 0 frost days per year.
Has the climate of Senador Guiomard warmed?
Yes: Senador Guiomard warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Senador Guiomard?
The wettest day measured in Senador Guiomard between 1940 and 2025 was 12 May 1947, with 145 mm of rain in 24 hours.
What was the windiest day in Senador Guiomard?
The windiest day measured in Senador Guiomard between 1940 and 2025 was 25 June 1994, with winds reaching 26.6 km/h.
What is the warmest month in Senador Guiomard?
The warmest month in Senador Guiomard is September (26.3 °C on average); the coldest is June (23.9 °C).
How much does it rain in Senador Guiomard?
Senador Guiomard receives on average 1,801 mm of precipitation per year, spread over about 222 rainy days.
Is it sunny in Senador Guiomard?
Senador Guiomard gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.
Are there tropical nights in Senador Guiomard?
Yes: Senador Guiomard has on average 310 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Senador Guiomard?
In Senador Guiomard, between 1940 and 2025, the highest apparent temperature reached 45.1 °C on 1 October 2010, and the lowest was 5.0 °C on 19 July 1975.
Compare Senador Guiomard with another city
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Nearby cities
The climate around Senador Guiomard