Cassilândia climate — normals and trends
Cassilândia (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 23.5 °C and it receives 1,488 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 (25.1 °C on average) and the coldest is June (20.5 °C). Rainfall peaks in January.
Cassilândia averages 0 frost days, 143 hot days (≥ 30 °C) and 166 rainy days per year.
Cassilândia has warmed by +1.6 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The hottest day of the period reached 40.4 °C (on 17 October 1963) and the coldest 1.3 °C (on 18 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
CassilândiaMato Grosso do Sul
- coords
- -19.11°, -51.73°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.5°C
Average daily high
29.1°C
Average daily low
18.9°C
Annual rainfall
1,488mm
Sunshine / day
10.3h
Mean relative humidity
71%
Average peak wind
11.7km/h
Seasonal range
4.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
143 d/yr
Rainy days (≥ 1 mm)
166 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.9 °C
Average feels-like low
20.3 °C
Average peak gust
28.9 km/h
Tropical nights (≥ 20 °C)
173 d/yr
Solar radiation
19.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.54 · 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
40.4 °C
17 October 1963
Coldest day
1.3 °C
18 July 1975
Wettest day
166 mm
4 October 1962
Windiest day
33.3 km/h
15 September 1956
Strongest gust
77.8 km/h
8 September 2015
Hottest feels-like
43.1 °C
13 November 2015
Coldest feels-like
-2.9 °C
18 July 1975
Sunniest day
13.0 h
18 December 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 | 30.8 °C | +1.3 °C | 130 mm | -118 mm |
| Feb | 30.1 °C | +0.5 °C | 133 mm | -89 mm |
| Mar | 31.1 °C | +1.7 °C | 71 mm | -124 mm |
| Apr | 29.0 °C | +0.3 °C | 100 mm | +9 mm |
| May | 27.8 °C | +0.7 °C | 13 mm | -31 mm |
| Jun | 27.2 °C | +0.5 °C | 10 mm | -7 mm |
| Jul | 26.9 °C | -0.4 °C | 0 mm | -16 mm |
| Aug | 29.6 °C | -0.2 °C | 3 mm | -16 mm |
| Sep | 33.6 °C | +2.2 °C | 5 mm | -51 mm |
| Oct | 31.5 °C | +0.7 °C | 64 mm | -80 mm |
| Nov | 31.6 °C | +1.7 °C | 115 mm | -78 mm |
| Dec | 30.4 °C | +1.0 °C | 135 mm | -110 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 Cassilândia?
Cassilândia has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 23.5 °C and it receives 1,488 mm of precipitation per year.
What is the hottest day ever recorded in Cassilândia?
The hottest day measured in Cassilândia between 1940 and 2025 was 17 October 1963, reaching 40.4 °C.
What is the coldest day in Cassilândia?
The coldest day measured in Cassilândia between 1940 and 2025 was 18 July 1975, at 1.3 °C.
Does it snow in Cassilândia?
Almost never: Cassilândia sees virtually no snow, with about 0 frost days per year.
Has the climate of Cassilândia warmed?
Yes: Cassilândia warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Cassilândia?
The wettest day measured in Cassilândia between 1940 and 2025 was 4 October 1962, with 166 mm of rain in 24 hours.
What was the windiest day in Cassilândia?
The windiest day measured in Cassilândia between 1940 and 2025 was 15 September 1956, with winds reaching 33.3 km/h.
What is the warmest month in Cassilândia?
The warmest month in Cassilândia is October (25.1 °C on average); the coldest is June (20.5 °C).
How much does it rain in Cassilândia?
Cassilândia receives on average 1,488 mm of precipitation per year, spread over about 166 rainy days.
Is it sunny in Cassilândia?
Cassilândia gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.
Are there tropical nights in Cassilândia?
Yes: Cassilândia has on average 173 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Cassilândia?
In Cassilândia, between 1940 and 2025, the highest apparent temperature reached 43.1 °C on 13 November 2015, and the lowest was -2.9 °C on 18 July 1975.
Compare Cassilândia with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Cassilândia