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Potosí, Bolivia climate
BWk Cold desert
Potosí has a remarkably steady cool-temperate climate (Cold desert, Köppen BWk). The hottest month is November with an average daily high near 18°C, while the coldest is July averaging around −3°C at night. Precipitation totals about 219 mm a year and is strongly seasonal — February alone averages 53 mm while June barely receives 0 mm.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Potosí climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 15 | 15 | 16 | 17 | 16 | 15 | 14 | 15 | 17 | 18 | 18 | 17 |
| Avg temp (°C) | 10 | 10 | 9 | 9 | 7 | 6 | 6 | 7 | 8 | 10 | 11 | 11 |
| Avg low (°C) | 4 | 4 | 3 | 2 | −1 | −2 | −3 | −2 | 0 | 2 | 3 | 4 |
| Precipitation (mm) | 49 | 53 | 27 | 10 | 2 | 0 | 2 | 2 | 6 | 21 | 17 | 30 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 15 | 15 | 16 | 17 | 16 | 15 |
| Avg temp (°C) | 10 | 10 | 9 | 9 | 7 | 6 |
| Avg low (°C) | 4 | 4 | 3 | 2 | −1 | −2 |
| Precipitation (mm) | 49 | 53 | 27 | 10 | 2 | 0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 14 | 15 | 17 | 18 | 18 | 17 |
| Avg temp (°C) | 6 | 7 | 8 | 10 | 11 | 11 |
| Avg low (°C) | −3 | −2 | 0 | 2 | 3 | 4 |
| Precipitation (mm) | 2 | 2 | 6 | 21 | 17 | 30 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 72 | 71 | 60 | 43 | 29 | 26 | 24 | 25 | 37 | 47 | 55 | 67 |
| Relative humidity (%) | 71 | 74 | 73 | 67 | 51 | 43 | 40 | 42 | 48 | 55 | 58 | 64 |
| Wind speed (km/h) | 9.9 | 9.2 | 8.6 | 8.1 | 8.0 | 8.7 | 9.2 | 9.7 | 10.7 | 10.7 | 10.5 | 10.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 72 | 71 | 60 | 43 | 29 | 26 |
| Relative humidity (%) | 71 | 74 | 73 | 67 | 51 | 43 |
| Wind speed (km/h) | 9.9 | 9.2 | 8.6 | 8.1 | 8.0 | 8.7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 24 | 25 | 37 | 47 | 55 | 67 |
| Relative humidity (%) | 40 | 42 | 48 | 55 | 58 | 64 |
| Wind speed (km/h) | 9.2 | 9.7 | 10.7 | 10.7 | 10.5 | 10.4 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 28 years of daily observations at Capitan Nicolas Rojas, a weather station, about 5 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.