Santa Clara del Mar climate — normals and trends
Santa Clara del Mar (Argentina) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 14.5 °C and it receives 805 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 (20.5 °C on average) and the coldest is July (8.7 °C). Rainfall peaks in January.
Santa Clara del Mar averages 1 frost days, 5 hot days (≥ 30 °C) and 97 rainy days per year.
No statistically significant temperature trend emerges for Santa Clara del Mar between 1940 and 2025: over this span, year-to-year swings outweigh the climate signal.
The hottest day of the period reached 36.9 °C (on 12 February 1946) and the coldest -2.5 °C (on 18 July 1995).
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
Santa Clara del MarBuenos Aires
- coords
- -37.83°, -57.51°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.5°C
Average daily high
18.3°C
Average daily low
11.2°C
Annual rainfall
805mm
Sunshine / day
9.5h
Mean relative humidity
76%
Average peak wind
24.3km/h
Seasonal range
11.8°C
Frost days (< 0 °C)
1 d/yr
Hot days (≥ 30 °C)
5 d/yr
Rainy days (≥ 1 mm)
97 d/yr
Annual snowfall
0.0 cm
Average feels-like high
17.0 °C
Average feels-like low
8.5 °C
Average peak gust
39.9 km/h
Tropical nights (≥ 20 °C)
8 d/yr
Solar radiation
16.5 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
36.9 °C
12 February 1946
Coldest day
-2.5 °C
18 July 1995
Wettest day
84 mm
13 November 1985
Windiest day
65.9 km/h
8 June 1993
Strongest gust
107.6 km/h
29 May 1984
Hottest feels-like
39.6 °C
21 January 1953
Coldest feels-like
-7.0 °C
18 July 1995
Snowiest day
2.5 cm
16 August 1943
Sunniest day
14.4 h
7 December 2020
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 | 25.1 °C | +0.4 °C | 32 mm | -49 mm |
| Feb | 27.2 °C | +2.8 °C | 30 mm | -40 mm |
| Mar | 23.0 °C | +0.5 °C | 93 mm | +18 mm |
| Apr | 18.3 °C | -0.9 °C | 47 mm | -23 mm |
| May | 16.7 °C | +0.9 °C | 94 mm | +38 mm |
| Jun | 12.3 °C | -0.5 °C | 41 mm | -12 mm |
| Jul | 12.1 °C | +0.1 °C | 58 mm | +2 mm |
| Aug | 13.2 °C | +0.1 °C | 72 mm | +19 mm |
| Sep | 15.0 °C | +0.4 °C | 83 mm | +26 mm |
| Oct | 18.8 °C | +1.7 °C | 127 mm | +49 mm |
| Nov | 20.1 °C | -0.1 °C | 75 mm | -5 mm |
| Dec | 25.3 °C | +2.2 °C | 88 mm | +11 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 Santa Clara del Mar?
Santa Clara del Mar has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 14.5 °C and it receives 805 mm of precipitation per year.
What is the hottest day ever recorded in Santa Clara del Mar?
The hottest day measured in Santa Clara del Mar between 1940 and 2025 was 12 February 1946, reaching 36.9 °C.
What is the coldest day in Santa Clara del Mar?
The coldest day measured in Santa Clara del Mar between 1940 and 2025 was 18 July 1995, at -2.5 °C.
Does it snow in Santa Clara del Mar?
Almost never: Santa Clara del Mar sees virtually no snow, with about 1 frost days per year.
Has the climate of Santa Clara del Mar warmed?
Between 1940 and 2025, no statistically significant temperature trend emerges in Santa Clara del Mar.
What is the wettest day in Santa Clara del Mar?
The wettest day measured in Santa Clara del Mar between 1940 and 2025 was 13 November 1985, with 84 mm of rain in 24 hours.
What was the windiest day in Santa Clara del Mar?
The windiest day measured in Santa Clara del Mar between 1940 and 2025 was 8 June 1993, with winds reaching 65.9 km/h.
What is the warmest month in Santa Clara del Mar?
The warmest month in Santa Clara del Mar is January (20.5 °C on average); the coldest is July (8.7 °C).
How much does it rain in Santa Clara del Mar?
Santa Clara del Mar receives on average 805 mm of precipitation per year, spread over about 97 rainy days.
Is it sunny in Santa Clara del Mar?
Santa Clara del Mar gets on average 9.5 hours of sunshine per day, roughly 3,468 hours per year over 1940-2025.
What is the biggest single-day snowfall in Santa Clara del Mar?
The heaviest 24-hour snowfall measured in Santa Clara del Mar between 1940 and 2025 was 16 August 1943, with 2.5 cm.
Are there tropical nights in Santa Clara del Mar?
Yes: Santa Clara del Mar has on average 8 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Santa Clara del Mar?
In Santa Clara del Mar, between 1940 and 2025, the highest apparent temperature reached 39.6 °C on 21 January 1953, and the lowest was -7.0 °C on 18 July 1995.
Compare Santa Clara del Mar with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Santa Clara del Mar