Pehuajó climate — normals and trends
Pehuajó (Argentina) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 16.2 °C and it receives 895 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 (23.7 °C on average) and the coldest is July (8.7 °C). Rainfall peaks in January.
Pehuajó averages 8 frost days, 43 hot days (≥ 30 °C) and 89 rainy days per year.
No statistically significant temperature trend emerges for Pehuajó between 1940 and 2025: over this span, year-to-year swings outweigh the climate signal.
The hottest day of the period reached 41.1 °C (on 18 January 2014) and the coldest -7.2 °C (on 14 June 1967).
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
PehuajóBuenos Aires
- coords
- -35.81°, -61.90°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.2°C
Average daily high
21.7°C
Average daily low
11.4°C
Annual rainfall
895mm
Sunshine / day
9.7h
Mean relative humidity
71%
Average peak wind
18.3km/h
Seasonal range
15.0°C
Frost days (< 0 °C)
8 d/yr
Hot days (≥ 30 °C)
43 d/yr
Rainy days (≥ 1 mm)
89 d/yr
Annual snowfall
0.0 cm
Average feels-like high
21.1 °C
Average feels-like low
9.5 °C
Average peak gust
35.5 km/h
Tropical nights (≥ 20 °C)
22 d/yr
Solar radiation
17.3 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
41.1 °C
18 January 2014
Coldest day
-7.2 °C
14 June 1967
Wettest day
131 mm
18 January 1952
Windiest day
50.5 km/h
29 May 1984
Strongest gust
101.5 km/h
24 March 2022
Hottest feels-like
44.2 °C
18 January 2014
Coldest feels-like
-11.5 °C
14 June 1967
Snowiest day
1.1 cm
22 July 2009
Sunniest day
14.1 h
3 January 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 | 32.0 °C | +2.6 °C | 16 mm | -94 mm |
| Feb | 29.5 °C | +1.2 °C | 147 mm | +55 mm |
| Mar | 25.1 °C | -0.6 °C | 143 mm | +38 mm |
| Apr | 20.7 °C | -0.9 °C | 64 mm | -14 mm |
| May | 19.0 °C | +1.4 °C | 17 mm | -30 mm |
| Jun | 14.4 °C | +0.2 °C | 8 mm | -25 mm |
| Jul | 14.1 °C | +0.3 °C | 69 mm | +37 mm |
| Aug | 16.5 °C | +0.4 °C | 119 mm | +80 mm |
| Sep | 19.7 °C | +1.1 °C | 133 mm | +66 mm |
| Oct | 22.9 °C | +1.4 °C | 82 mm | -19 mm |
| Nov | 24.8 °C | -0.3 °C | 114 mm | +14 mm |
| Dec | 30.5 °C | +2.3 °C | 65 mm | -27 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 Pehuajó?
Pehuajó has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 16.2 °C and it receives 895 mm of precipitation per year.
What is the hottest day ever recorded in Pehuajó?
The hottest day measured in Pehuajó between 1940 and 2025 was 18 January 2014, reaching 41.1 °C.
What is the coldest day in Pehuajó?
The coldest day measured in Pehuajó between 1940 and 2025 was 14 June 1967, at -7.2 °C.
Does it snow in Pehuajó?
Almost never: Pehuajó sees virtually no snow, with about 8 frost days per year.
Has the climate of Pehuajó warmed?
Between 1940 and 2025, no statistically significant temperature trend emerges in Pehuajó.
What is the wettest day in Pehuajó?
The wettest day measured in Pehuajó between 1940 and 2025 was 18 January 1952, with 131 mm of rain in 24 hours.
What was the windiest day in Pehuajó?
The windiest day measured in Pehuajó between 1940 and 2025 was 29 May 1984, with winds reaching 50.5 km/h.
What is the warmest month in Pehuajó?
The warmest month in Pehuajó is January (23.7 °C on average); the coldest is July (8.7 °C).
How much does it rain in Pehuajó?
Pehuajó receives on average 895 mm of precipitation per year, spread over about 89 rainy days.
Is it sunny in Pehuajó?
Pehuajó 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 Pehuajó?
The heaviest 24-hour snowfall measured in Pehuajó between 1940 and 2025 was 22 July 2009, with 1.1 cm.
Are there tropical nights in Pehuajó?
Yes: Pehuajó has on average 22 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Pehuajó?
In Pehuajó, between 1940 and 2025, the highest apparent temperature reached 44.2 °C on 18 January 2014, and the lowest was -11.5 °C on 14 June 1967.
Compare Pehuajó with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Pehuajó