Bariloche weather by month
Bariloche runs from about 2°C in July to 18°C in January, with June the wettest month at 223 mm.
warmest month
January
18°C
coolest month
July
2°C
wettest month
June
223 mm
worst air month
November
3 µg/m³
The whole year, month by month.
| Month | Avg temp | Rain | Sun | PM2.5 |
|---|---|---|---|---|
| January | 18°C | 5 mm | 425 h | 3 |
| February | 18°C | 19 mm | 361 h | 2 |
| March | 12°C | 63 mm | 310 h | 2 |
| April | 8°C | 151 mm | 186 h | 1 |
| May | 3°C | 155 mm | 188 h | 1 |
| June | 4°C | 223 mm | 101 h | 1 |
| July | 2°C | 80 mm | 213 h | 1 |
| August | 4°C | 71 mm | 240 h | 2 |
| September | 4°C | 181 mm | 238 h | 2 |
| October | 9°C | 10 mm | 356 h | 2 |
| November | 10°C | 87 mm | 334 h | 3 |
| December | 15°C | 29 mm | 418 h | 2 |
About 3,370 hours of sun a year. Roughly 108 rainy days a year.
These are long-run climate normals, not a forecast. A given year can sit well outside them. PM2.5 is a global model: near the coast it counts sea salt as fine particulate and reads high against ground stations, sometimes by a factor of two. Use the shape of the year, not the absolute number.
where these numbers come from
- · Temperature, rainfall and sunshine: ECMWF ERA5 reanalysis climate normals via Open-Meteo (CC BY 4.0), fetched once and stored.
- · PM2.5: Copernicus CAMS reanalysis, monthly means. Modelled, not station readings; near coasts CAMS counts sea salt as PM2.5 and reads high.
Last reviewed 2026-05-23. Full method, licences and the list of sources we rejected are on the methodology page.