Pérez climate — normals and trends
Pérez (Argentina) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 17.8 °C and it receives 977 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 (24.9 °C on average) and the coldest is July (10.8 °C). Rainfall peaks in March.
Pérez averages 4 frost days, 59 hot days (≥ 30 °C) and 86 rainy days per year.
No statistically significant temperature trend emerges for Pérez between 1940 and 2025: over this span, year-to-year swings outweigh the climate signal.
The hottest day of the period reached 41.6 °C (on 11 January 1957) and the coldest -5.6 °C (on 10 July 2024).
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
PérezSanta Fe
- coords
- -33.00°, -60.77°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.8°C
Average daily high
23.2°C
Average daily low
12.9°C
Annual rainfall
977mm
Sunshine / day
9.6h
Mean relative humidity
72%
Average peak wind
16.4km/h
Seasonal range
14.1°C
Frost days (< 0 °C)
4 d/yr
Hot days (≥ 30 °C)
59 d/yr
Rainy days (≥ 1 mm)
86 d/yr
Annual snowfall
0.0 cm
Average feels-like high
23.4 °C
Average feels-like low
11.8 °C
Average peak gust
33.0 km/h
Tropical nights (≥ 20 °C)
42 d/yr
Solar radiation
17.5 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
41.6 °C
11 January 1957
Coldest day
-5.6 °C
10 July 2024
Wettest day
114 mm
4 March 2009
Windiest day
46.8 km/h
17 October 1982
Strongest gust
102.6 km/h
17 October 1982
Hottest feels-like
44.4 °C
27 January 1990
Coldest feels-like
-9.2 °C
2 July 1980
Snowiest day
0.8 cm
6 July 1960
Sunniest day
14.0 h
9 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 | 32.3 °C | +1.8 °C | 35 mm | -66 mm |
| Feb | 31.0 °C | +1.8 °C | 137 mm | +30 mm |
| Mar | 27.2 °C | +0.2 °C | 135 mm | +9 mm |
| Apr | 22.5 °C | -0.6 °C | 49 mm | -43 mm |
| May | 21.2 °C | +1.9 °C | 102 mm | +40 mm |
| Jun | 15.5 °C | -0.6 °C | 7 mm | -30 mm |
| Jul | 17.0 °C | +1.2 °C | 34 mm | -9 mm |
| Aug | 18.7 °C | +0.8 °C | 133 mm | +82 mm |
| Sep | 21.5 °C | +1.2 °C | 67 mm | -1 mm |
| Oct | 24.9 °C | +1.8 °C | 62 mm | -41 mm |
| Nov | 26.9 °C | +0.5 °C | 122 mm | +21 mm |
| Dec | 31.5 °C | +2.3 °C | 25 mm | -63 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 Pérez?
Pérez has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 17.8 °C and it receives 977 mm of precipitation per year.
What is the hottest day ever recorded in Pérez?
The hottest day measured in Pérez between 1940 and 2025 was 11 January 1957, reaching 41.6 °C.
What is the coldest day in Pérez?
The coldest day measured in Pérez between 1940 and 2025 was 10 July 2024, at -5.6 °C.
Does it snow in Pérez?
Almost never: Pérez sees virtually no snow, with about 4 frost days per year.
Has the climate of Pérez warmed?
Between 1940 and 2025, no statistically significant temperature trend emerges in Pérez.
What is the wettest day in Pérez?
The wettest day measured in Pérez between 1940 and 2025 was 4 March 2009, with 114 mm of rain in 24 hours.
What was the windiest day in Pérez?
The windiest day measured in Pérez between 1940 and 2025 was 17 October 1982, with winds reaching 46.8 km/h.
What is the warmest month in Pérez?
The warmest month in Pérez is January (24.9 °C on average); the coldest is July (10.8 °C).
How much does it rain in Pérez?
Pérez receives on average 977 mm of precipitation per year, spread over about 86 rainy days.
Is it sunny in Pérez?
Pérez gets on average 9.6 hours of sunshine per day, roughly 3,504 hours per year over 1940-2025.
What is the biggest single-day snowfall in Pérez?
The heaviest 24-hour snowfall measured in Pérez between 1940 and 2025 was 6 July 1960, with 0.8 cm.
Are there tropical nights in Pérez?
Yes: Pérez has on average 42 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Pérez?
In Pérez, between 1940 and 2025, the highest apparent temperature reached 44.4 °C on 27 January 1990, and the lowest was -9.2 °C on 2 July 1980.
Compare Pérez with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Pérez