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São José do Rio Preto, Brazil climate
Aw Tropical savanna (dry winter)
São José do Rio Preto has a remarkably steady warm-temperate climate (Tropical savanna (dry winter), Köppen Aw). The hottest month is October with an average daily high near 32°C, while the coldest is June averaging around 13°C at night. Precipitation totals about 1658 mm a year and is strongly seasonal — January alone averages 328 mm while July barely receives 10 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)São José do Rio Preto climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 31 | 30 | 30 | 28 | 28 | 28 | 30 | 31 | 32 | 30 | 30 |
| Avg temp (°C) | 24 | 24 | 24 | 23 | 20 | 19 | 19 | 21 | 23 | 24 | 24 | 24 |
| Avg low (°C) | 20 | 19 | 19 | 18 | 14 | 13 | 13 | 14 | 17 | 19 | 19 | 20 |
| Precipitation (mm) | 328 | 228 | 241 | 95 | 50 | 22 | 10 | 15 | 53 | 131 | 203 | 282 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 31 | 30 | 30 | 28 | 28 |
| Avg temp (°C) | 24 | 24 | 24 | 23 | 20 | 19 |
| Avg low (°C) | 20 | 19 | 19 | 18 | 14 | 13 |
| Precipitation (mm) | 328 | 228 | 241 | 95 | 50 | 22 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 28 | 30 | 31 | 32 | 30 | 30 |
| Avg temp (°C) | 19 | 21 | 23 | 24 | 24 | 24 |
| Avg low (°C) | 13 | 14 | 17 | 19 | 19 | 20 |
| Precipitation (mm) | 10 | 15 | 53 | 131 | 203 | 282 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 80 | 73 | 70 | 49 | 42 | 32 | 28 | 28 | 44 | 65 | 76 | 81 |
| Relative humidity (%) | 81 | 81 | 83 | 80 | 77 | 73 | 66 | 57 | 55 | 63 | 74 | 81 |
| Wind speed (m/s) | 2.1 | 1.9 | 1.9 | 1.9 | 2.0 | 2.2 | 2.4 | 2.6 | 2.7 | 2.5 | 2.2 | 2.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 80 | 73 | 70 | 49 | 42 | 32 |
| Relative humidity (%) | 81 | 81 | 83 | 80 | 77 | 73 |
| Wind speed (m/s) | 2.1 | 1.9 | 1.9 | 1.9 | 2.0 | 2.2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 28 | 28 | 44 | 65 | 76 | 81 |
| Relative humidity (%) | 66 | 57 | 55 | 63 | 74 | 81 |
| Wind speed (m/s) | 2.4 | 2.6 | 2.7 | 2.5 | 2.2 | 2.1 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from INMET, Brazil's national meteorological institute, measured at Uberaba, about 193 km from the city centre.
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.