Barranco climate — normals and trends
Barranco (Peru) has a cold desert climate (BWk) under the Köppen-Geiger classification. Its mean annual temperature is 17.8 °C and it receives 124 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 February (21.2 °C on average) and the coldest is August (15.3 °C). Rainfall peaks in July.
Barranco averages 0 frost days, 0 hot days (≥ 30 °C) and 40 rainy days per year.
No statistically significant temperature trend emerges for Barranco between 1940 and 2025: over this span, year-to-year swings outweigh the climate signal.
The hottest day of the period reached 26.9 °C (on 28 January 1983) and the coldest 11.4 °C (on 12 July 1954).
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
BarrancoLima region
- coords
- -12.14°, -77.02°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.8°C
Average daily high
18.8°C
Average daily low
17.1°C
Annual rainfall
124mm
Sunshine / day
11.2h
Mean relative humidity
92%
Average peak wind
18.7km/h
Seasonal range
5.9°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
40 d/yr
Annual snowfall
0.0 cm
Average feels-like high
20.4 °C
Average feels-like low
17.3 °C
Average peak gust
26.1 km/h
Tropical nights (≥ 20 °C)
54 d/yr
Solar radiation
21.9 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
26.9 °C
28 January 1983
Coldest day
11.4 °C
12 July 1954
Wettest day
70 mm
28 May 1941
Windiest day
34.2 km/h
15 June 1998
Strongest gust
49.7 km/h
15 June 1998
Hottest feels-like
32.1 °C
10 February 1998
Coldest feels-like
9.2 °C
11 July 1954
Sunniest day
12.6 h
15 January 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 | 21.4 °C | -0.2 °C | 5 mm | -3 mm |
| Feb | 23.1 °C | +0.7 °C | 6 mm | -4 mm |
| Mar | 22.5 °C | +0.4 °C | 2 mm | -5 mm |
| Apr | 20.0 °C | -0.4 °C | 3 mm | -3 mm |
| May | 18.0 °C | -0.6 °C | 5 mm | -6 mm |
| Jun | 17.3 °C | 0.0 °C | 33 mm | +14 mm |
| Jul | 16.7 °C | +0.1 °C | 17 mm | -2 mm |
| Aug | 16.3 °C | +0.1 °C | 24 mm | +7 mm |
| Sep | 16.3 °C | 0.0 °C | 14 mm | +2 mm |
| Oct | 16.9 °C | +0.1 °C | 6 mm | -1 mm |
| Nov | 17.7 °C | -0.3 °C | 3 mm | -3 mm |
| Dec | 19.5 °C | -0.3 °C | 5 mm | -0 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 Barranco?
Barranco has a cold desert climate (Köppen BWk). Over 1940-2025, the average annual temperature is 17.8 °C and it receives 124 mm of precipitation per year.
What is the hottest day ever recorded in Barranco?
The hottest day measured in Barranco between 1940 and 2025 was 28 January 1983, reaching 26.9 °C.
What is the coldest day in Barranco?
The coldest day measured in Barranco between 1940 and 2025 was 12 July 1954, at 11.4 °C.
Does it snow in Barranco?
Almost never: Barranco sees virtually no snow, with about 0 frost days per year.
Has the climate of Barranco warmed?
Between 1940 and 2025, no statistically significant temperature trend emerges in Barranco.
What is the wettest day in Barranco?
The wettest day measured in Barranco between 1940 and 2025 was 28 May 1941, with 70 mm of rain in 24 hours.
What was the windiest day in Barranco?
The windiest day measured in Barranco between 1940 and 2025 was 15 June 1998, with winds reaching 34.2 km/h.
What is the warmest month in Barranco?
The warmest month in Barranco is February (21.2 °C on average); the coldest is August (15.3 °C).
How much does it rain in Barranco?
Barranco receives on average 124 mm of precipitation per year, spread over about 40 rainy days.
Is it sunny in Barranco?
Barranco gets on average 11.2 hours of sunshine per day, roughly 4,088 hours per year over 1940-2025.
Are there tropical nights in Barranco?
Yes: Barranco has on average 54 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Barranco?
In Barranco, between 1940 and 2025, the highest apparent temperature reached 32.1 °C on 10 February 1998, and the lowest was 9.2 °C on 11 July 1954.
Compare Barranco with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Barranco