Sunchales climate — normals and trends
Sunchales (Argentina) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.7 °C and it receives 1,103 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 (25.3 °C on average) and the coldest is July (11.8 °C). Rainfall peaks in March.
Sunchales averages 4 frost days, 73 hot days (≥ 30 °C) and 91 rainy days per year.
No statistically significant temperature trend emerges for Sunchales between 1940 and 2025: over this span, year-to-year swings outweigh the climate signal.
The hottest day of the period reached 42.1 °C (on 4 January 1963) and the coldest -5.5 °C (on 1 July 2025).
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
SunchalesSanta Fe
- coords
- -30.94°, -61.56°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
18.7°C
Average daily high
24.3°C
Average daily low
13.7°C
Annual rainfall
1,103mm
Sunshine / day
9.7h
Mean relative humidity
72%
Average peak wind
17.5km/h
Seasonal range
13.5°C
Frost days (< 0 °C)
4 d/yr
Hot days (≥ 30 °C)
73 d/yr
Rainy days (≥ 1 mm)
91 d/yr
Annual snowfall
0.0 cm
Average feels-like high
24.8 °C
Average feels-like low
12.6 °C
Average peak gust
33.6 km/h
Tropical nights (≥ 20 °C)
56 d/yr
Solar radiation
17.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
No clear trend over this period
Over a short window, year-to-year swings outweigh the climate signal. Try 86 years.
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
42.1 °C
4 January 1963
Coldest day
-5.5 °C
1 July 2025
Wettest day
146 mm
19 February 2016
Windiest day
47.5 km/h
30 October 2022
Strongest gust
96.1 km/h
17 October 1982
Hottest feels-like
46.5 °C
24 February 2025
Coldest feels-like
-10.0 °C
1 July 2025
Snowiest day
0.4 cm
1 August 2011
Sunniest day
14.0 h
10 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 | 32.9 °C | +2.0 °C | 26 mm | -106 mm |
| Feb | 34.0 °C | +4.2 °C | 74 mm | -48 mm |
| Mar | 28.6 °C | +1.0 °C | 96 mm | -41 mm |
| Apr | 23.6 °C | -0.3 °C | 13 mm | -88 mm |
| May | 22.8 °C | +2.2 °C | 69 mm | +6 mm |
| Jun | 16.8 °C | -0.7 °C | 14 mm | -23 mm |
| Jul | 18.6 °C | +1.1 °C | 53 mm | +14 mm |
| Aug | 20.7 °C | +1.1 °C | 91 mm | +48 mm |
| Sep | 23.5 °C | +1.6 °C | 52 mm | -23 mm |
| Oct | 27.7 °C | +3.1 °C | 35 mm | -80 mm |
| Nov | 27.8 °C | +0.3 °C | 133 mm | +9 mm |
| Dec | 30.7 °C | +0.9 °C | 90 mm | -26 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 Sunchales?
Sunchales has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.7 °C and it receives 1,103 mm of precipitation per year.
What is the hottest day ever recorded in Sunchales?
The hottest day measured in Sunchales between 1940 and 2025 was 4 January 1963, reaching 42.1 °C.
What is the coldest day in Sunchales?
The coldest day measured in Sunchales between 1940 and 2025 was 1 July 2025, at -5.5 °C.
Does it snow in Sunchales?
Almost never: Sunchales sees virtually no snow, with about 4 frost days per year.
Has the climate of Sunchales warmed?
Between 1940 and 2025, no statistically significant temperature trend emerges in Sunchales.
What is the wettest day in Sunchales?
The wettest day measured in Sunchales between 1940 and 2025 was 19 February 2016, with 146 mm of rain in 24 hours.
What was the windiest day in Sunchales?
The windiest day measured in Sunchales between 1940 and 2025 was 30 October 2022, with winds reaching 47.5 km/h.
What is the warmest month in Sunchales?
The warmest month in Sunchales is January (25.3 °C on average); the coldest is July (11.8 °C).
How much does it rain in Sunchales?
Sunchales receives on average 1,103 mm of precipitation per year, spread over about 91 rainy days.
Is it sunny in Sunchales?
Sunchales gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.
What is the biggest single-day snowfall in Sunchales?
The heaviest 24-hour snowfall measured in Sunchales between 1940 and 2025 was 1 August 2011, with 0.4 cm.
Are there tropical nights in Sunchales?
Yes: Sunchales has on average 56 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Sunchales?
In Sunchales, between 1940 and 2025, the highest apparent temperature reached 46.5 °C on 24 February 2025, and the lowest was -10.0 °C on 1 July 2025.
Compare Sunchales with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sunchales