Potosi weather by month
Potosi runs from about 7°C in July to 11°C in April, with February the wettest month at 191 mm.
warmest month
April
11°C
coolest month
July
7°C
wettest month
February
191 mm
worst air month
September
3 µg/m³
The whole year, month by month.
| Month | Avg temp | Rain | Sun | PM2.5 |
|---|---|---|---|---|
| January | 10°C | 165 mm | 382 h | 3 |
| February | 9°C | 191 mm | 301 h | 3 |
| March | 9°C | 134 mm | 332 h | 3 |
| April | 11°C | 28 mm | 326 h | 2 |
| May | 10°C | 1 mm | 329 h | 3 |
| June | 9°C | 0 mm | 324 h | 3 |
| July | 7°C | 2 mm | 339 h | 3 |
| August | 8°C | 2 mm | 340 h | 3 |
| September | 10°C | 14 mm | 345 h | 3 |
| October | 10°C | 74 mm | 365 h | 3 |
| November | 10°C | 106 mm | 343 h | 3 |
| December | 10°C | 134 mm | 367 h | 3 |
About 4,093 hours of sun a year. Roughly 84 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 2026-05-24. Full method, licences and the list of sources we rejected are on the methodology page.