Puerto Madryn climate — normals and trends
Puerto Madryn (Argentina) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 14.4 °C and it receives 220 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 (21.8 °C on average) and the coldest is July (6.8 °C). Rainfall peaks in February.
Puerto Madryn averages 20 frost days, 35 hot days (≥ 30 °C) and 44 rainy days per year.
Puerto Madryn has warmed by +0.8 °C between 1940 and 2025, or +0.09 °C per decade. This trend is statistically significant.
The hottest day of the period reached 43.9 °C (on 27 January 2017) and the coldest -10.2 °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
Puerto MadrynChubut
- coords
- -42.77°, -65.04°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.4°C
Average daily high
20.3°C
Average daily low
9.2°C
Annual rainfall
220mm
Sunshine / day
10.4h
Mean relative humidity
51%
Average peak wind
28.2km/h
Seasonal range
15.0°C
Frost days (< 0 °C)
20 d/yr
Hot days (≥ 30 °C)
35 d/yr
Rainy days (≥ 1 mm)
44 d/yr
Annual snowfall
0.7 cm
Average feels-like high
16.3 °C
Average feels-like low
5.2 °C
Average peak gust
48.7 km/h
Tropical nights (≥ 20 °C)
7 d/yr
Solar radiation
17.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.8 °C
since 1940
+0.1 °C per decade · r² = 0.24 · 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
43.9 °C
27 January 2017
Coldest day
-10.2 °C
1 July 2025
Wettest day
62 mm
2 February 2004
Windiest day
78.1 km/h
28 October 1988
Strongest gust
133.6 km/h
28 October 1988
Hottest feels-like
41.0 °C
5 January 1955
Coldest feels-like
-14.9 °C
1 July 2025
Snowiest day
6.7 cm
27 June 1982
Sunniest day
14.9 h
29 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 | 28.7 °C | +0.5 °C | 7 mm | -10 mm |
| Feb | 27.1 °C | -0.1 °C | 6 mm | -14 mm |
| Mar | 25.5 °C | +1.0 °C | 11 mm | -9 mm |
| Apr | 19.1 °C | -1.1 °C | 44 mm | +25 mm |
| May | 16.2 °C | +0.5 °C | 12 mm | -7 mm |
| Jun | 12.7 °C | +0.6 °C | 8 mm | -10 mm |
| Jul | 13.8 °C | +1.8 °C | 18 mm | -1 mm |
| Aug | 15.7 °C | +1.3 °C | 7 mm | -8 mm |
| Sep | 18.0 °C | +0.8 °C | 15 mm | -2 mm |
| Oct | 22.8 °C | +2.1 °C | 8 mm | -12 mm |
| Nov | 24.3 °C | 0.0 °C | 16 mm | -3 mm |
| Dec | 28.1 °C | +1.5 °C | 2 mm | -17 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 Puerto Madryn?
Puerto Madryn has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 14.4 °C and it receives 220 mm of precipitation per year.
What is the hottest day ever recorded in Puerto Madryn?
The hottest day measured in Puerto Madryn between 1940 and 2025 was 27 January 2017, reaching 43.9 °C.
What is the coldest day in Puerto Madryn?
The coldest day measured in Puerto Madryn between 1940 and 2025 was 1 July 2025, at -10.2 °C.
Does it snow in Puerto Madryn?
Almost never: Puerto Madryn sees virtually no snow, with about 20 frost days per year.
Has the climate of Puerto Madryn warmed?
Yes: Puerto Madryn warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Puerto Madryn?
The wettest day measured in Puerto Madryn between 1940 and 2025 was 2 February 2004, with 62 mm of rain in 24 hours.
What was the windiest day in Puerto Madryn?
The windiest day measured in Puerto Madryn between 1940 and 2025 was 28 October 1988, with winds reaching 78.1 km/h.
What is the warmest month in Puerto Madryn?
The warmest month in Puerto Madryn is January (21.8 °C on average); the coldest is July (6.8 °C).
How much does it rain in Puerto Madryn?
Puerto Madryn receives on average 220 mm of precipitation per year, spread over about 44 rainy days.
Is it sunny in Puerto Madryn?
Puerto Madryn gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.
What is the biggest single-day snowfall in Puerto Madryn?
The heaviest 24-hour snowfall measured in Puerto Madryn between 1940 and 2025 was 27 June 1982, with 6.7 cm.
Are there tropical nights in Puerto Madryn?
Yes: Puerto Madryn has on average 7 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Puerto Madryn?
In Puerto Madryn, between 1940 and 2025, the highest apparent temperature reached 41.0 °C on 5 January 1955, and the lowest was -14.9 °C on 1 July 2025.
Compare Puerto Madryn with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Puerto Madryn