Sananduva climate — normals and trends
Sananduva (Brazil) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 17.6 °C and it receives 1,746 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 January (22.0 °C on average) and the coldest is July (12.7 °C). Rainfall peaks in October.
Sananduva averages 3 frost days, 14 hot days (≥ 30 °C) and 148 rainy days per year.
Sananduva has warmed by +0.9 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.
The number of frost days there went from about 2 to 4 per year over the period.
The hottest day of the period reached 35.3 °C (on 6 February 1979) and the coldest -5.7 °C (on 25 July 2009).
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
SananduvaRio Grande do Sul
- coords
- -27.95°, -51.81°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.6°C
Average daily high
22.7°C
Average daily low
13.3°C
Annual rainfall
1,746mm
Sunshine / day
9.0h
Mean relative humidity
78%
Average peak wind
16.9km/h
Seasonal range
9.3°C
Frost days (< 0 °C)
3 d/yr
Hot days (≥ 30 °C)
14 d/yr
Rainy days (≥ 1 mm)
148 d/yr
Annual snowfall
0.3 cm
Average feels-like high
23.6 °C
Average feels-like low
12.4 °C
Average peak gust
34.9 km/h
Tropical nights (≥ 20 °C)
10 d/yr
Solar radiation
16.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.9 °C
since 1940
+0.1 °C per decade · r² = 0.23 · 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
35.3 °C
6 February 1979
Coldest day
-5.7 °C
25 July 2009
Wettest day
116 mm
22 November 2010
Windiest day
50.6 km/h
21 August 1941
Strongest gust
114.5 km/h
29 April 1992
Hottest feels-like
39.4 °C
8 January 1984
Coldest feels-like
-9.4 °C
18 July 1975
Snowiest day
12.7 cm
21 August 1965
Sunniest day
13.5 h
4 December 2025
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 | 27.5 °C | +0.4 °C | 171 mm | -3 mm |
| Feb | 28.8 °C | +2.1 °C | 128 mm | -15 mm |
| Mar | 27.8 °C | +2.1 °C | 68 mm | -63 mm |
| Apr | 22.5 °C | -0.4 °C | 79 mm | -36 mm |
| May | 20.5 °C | +0.9 °C | 132 mm | -4 mm |
| Jun | 15.7 °C | -2.1 °C | 317 mm | +179 mm |
| Jul | 17.3 °C | -0.6 °C | 66 mm | -58 mm |
| Aug | 18.3 °C | -1.3 °C | 154 mm | +23 mm |
| Sep | 20.5 °C | -0.5 °C | 187 mm | +21 mm |
| Oct | 21.7 °C | -1.2 °C | 231 mm | +34 mm |
| Nov | 25.1 °C | +0.2 °C | 134 mm | -13 mm |
| Dec | 27.7 °C | +1.1 °C | 216 mm | +72 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 Sananduva?
Sananduva has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 17.6 °C and it receives 1,746 mm of precipitation per year.
What is the hottest day ever recorded in Sananduva?
The hottest day measured in Sananduva between 1940 and 2025 was 6 February 1979, reaching 35.3 °C.
What is the coldest day in Sananduva?
The coldest day measured in Sananduva between 1940 and 2025 was 25 July 2009, at -5.7 °C.
Does it snow in Sananduva?
Almost never: Sananduva sees virtually no snow, with about 3 frost days per year.
Has the climate of Sananduva warmed?
Yes: Sananduva warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sananduva?
The wettest day measured in Sananduva between 1940 and 2025 was 22 November 2010, with 116 mm of rain in 24 hours.
What was the windiest day in Sananduva?
The windiest day measured in Sananduva between 1940 and 2025 was 21 August 1941, with winds reaching 50.6 km/h.
What is the warmest month in Sananduva?
The warmest month in Sananduva is January (22.0 °C on average); the coldest is July (12.7 °C).
How much does it rain in Sananduva?
Sananduva receives on average 1,746 mm of precipitation per year, spread over about 148 rainy days.
Is it sunny in Sananduva?
Sananduva gets on average 9.0 hours of sunshine per day, roughly 3,285 hours per year over 1940-2025.
What is the biggest single-day snowfall in Sananduva?
The heaviest 24-hour snowfall measured in Sananduva between 1940 and 2025 was 21 August 1965, with 12.7 cm.
Are there tropical nights in Sananduva?
Yes: Sananduva has on average 10 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Sananduva?
In Sananduva, between 1940 and 2025, the highest apparent temperature reached 39.4 °C on 8 January 1984, and the lowest was -9.4 °C on 18 July 1975.
Compare Sananduva with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sananduva