Bariloche climate — normals and trends
Bariloche (Argentina) has a dry-summer subarctic climate (Dsc) under the Köppen-Geiger classification. Its mean annual temperature is 5.6 °C and it receives 958 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 (12.2 °C on average) and the coldest is July (-0.4 °C). Rainfall peaks in June.
Bariloche averages 143 frost days, 1 hot days (≥ 30 °C) and 125 rainy days per year.
Bariloche has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The number of frost days there went from about 166 to 120 per year over the period.
The hottest day of the period reached 33.2 °C (on 10 February 1944) and the coldest -15.7 °C (on 29 June 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
BarilocheRio Negro
- coords
- -41.15°, -71.31°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
5.6°C
Average daily high
10.4°C
Average daily low
1.4°C
Annual rainfall
958mm
Sunshine / day
9.7h
Mean relative humidity
77%
Average peak wind
14.0km/h
Seasonal range
12.6°C
Frost days (< 0 °C)
143 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
125 d/yr
Annual snowfall
306.2 cm
Average feels-like high
7.6 °C
Average feels-like low
-1.8 °C
Average peak gust
46.4 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
16.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.51 · 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
33.2 °C
10 February 1944
Coldest day
-15.7 °C
29 June 2025
Wettest day
91 mm
1 July 2004
Windiest day
35.2 km/h
30 July 1970
Strongest gust
124.6 km/h
13 August 1959
Hottest feels-like
33.8 °C
10 February 1944
Coldest feels-like
-20.2 °C
29 June 2025
Snowiest day
41.1 cm
3 June 2000
Sunniest day
14.8 h
13 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 | 23.1 °C | +4.5 °C | 7 mm | -26 mm |
| Feb | 19.8 °C | +0.9 °C | 31 mm | +1 mm |
| Mar | 16.8 °C | +1.0 °C | 42 mm | -1 mm |
| Apr | 11.4 °C | +0.4 °C | 105 mm | +31 mm |
| May | 6.7 °C | +0.3 °C | 125 mm | -4 mm |
| Jun | 3.7 °C | +0.6 °C | 82 mm | -76 mm |
| Jul | 4.3 °C | +1.8 °C | 82 mm | -62 mm |
| Aug | 6.6 °C | +2.9 °C | 92 mm | -29 mm |
| Sep | 8.3 °C | +2.2 °C | 81 mm | +7 mm |
| Oct | 11.4 °C | +2.1 °C | 52 mm | -10 mm |
| Nov | 17.0 °C | +3.9 °C | 32 mm | -14 mm |
| Dec | 17.5 °C | +1.2 °C | 30 mm | -14 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 Bariloche?
Bariloche has a dry-summer subarctic climate (Köppen Dsc). Over 1940-2025, the average annual temperature is 5.6 °C and it receives 958 mm of precipitation per year.
What is the hottest day ever recorded in Bariloche?
The hottest day measured in Bariloche between 1940 and 2025 was 10 February 1944, reaching 33.2 °C.
What is the coldest day in Bariloche?
The coldest day measured in Bariloche between 1940 and 2025 was 29 June 2025, at -15.7 °C.
Does it snow in Bariloche?
Yes. Bariloche gets on average 306.2 cm of snow per year and has around 143 frost days.
Has the climate of Bariloche warmed?
Yes: Bariloche warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Bariloche?
The wettest day measured in Bariloche between 1940 and 2025 was 1 July 2004, with 91 mm of rain in 24 hours.
What was the windiest day in Bariloche?
The windiest day measured in Bariloche between 1940 and 2025 was 30 July 1970, with winds reaching 35.2 km/h.
What is the warmest month in Bariloche?
The warmest month in Bariloche is February (12.2 °C on average); the coldest is July (-0.4 °C).
How much does it rain in Bariloche?
Bariloche receives on average 958 mm of precipitation per year, spread over about 125 rainy days.
Is it sunny in Bariloche?
Bariloche 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 Bariloche?
The heaviest 24-hour snowfall measured in Bariloche between 1940 and 2025 was 3 June 2000, with 41.1 cm.
Are there tropical nights in Bariloche?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Bariloche.
What was the most extreme apparent temperature in Bariloche?
In Bariloche, between 1940 and 2025, the highest apparent temperature reached 33.8 °C on 10 February 1944, and the lowest was -20.2 °C on 29 June 2025.
Compare Bariloche with another city
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Nearby cities
The climate around Bariloche