Climate averages 1991–2020
Santos weather
in January.
A hot, very wet month: the 2nd warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a hot month in Santos: daytime highs average 28.4°C and nights cool to about 23.3°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 225 mm of rain on roughly 21 days, which makes January a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 26 min on an average January day.
The nearest other city in this atlas is São Vicente (6 km away). In January its highs average 28.8°C, about as warm as Santos, with 333 mm of rain.
Among the 448 cities listed in Brazil, Santos ranks joint 233rd of 448 for the warmest January highs and 222nd of 448 for the driest January (rainfall, lowest first). The mean January high of those 448 cities is 28.5°C; Santos is 0.1°C cooler than that mean.
From January to February, average highs rise by 0.3°C to 28.7°C, and monthly rainfall falls from 225 mm to 202 mm.
The annual picture
January in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Santos climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 28.4°C23.3°C | 23.3°C | 225 | 20.7 | 13.413 h |
| February | 28.7°C23.5°C | 23.5°C | 202 | 17.4 | 12.913 h |
| March | 27.7°C22.8°C | 22.8°C | 206 | 19.4 | 12.212 h |
| April | 26.5°C21.2°C | 21.2°C | 127 | 13.2 | 11.512 h |
| May | 24.4°C18.7°C | 18.7°C | 125 | 12.7 | 11.011 h |
| June | 23.8°C17.4°C | 17.4°C | 97 | 10.1 | 10.711 h |
| July | 23.2°C16.6°C | 16.6°C | 115 | 9.9 | 10.811 h |
| August | 23.4°C16.8°C | 16.8°C | 94 | 10.2 | 11.311 h |
| September | 24.0°C18.0°C | 18.0°C | 142 | 14.1 | 11.912 h |
| October | 25.0°C19.4°C | 19.4°C | 158 | 16.1 | 12.613 h |
| November | 25.6°C20.4°C | 20.4°C | 174 | 16.7 | 13.313 h |
| December | 27.4°C22.2°C | 22.2°C | 179 | 18.0 | 13.614 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
January in nearby cities
- São Vicente in JanuaryBrazil · 6 kmHigh 28.8°C · Low 23.3°C · 333 mm rain
- Praia Grande in JanuaryBrazil · 9 kmHigh 28.8°C · Low 23.2°C · 333 mm rain
- Ribeirão Pires in JanuaryBrazil · 29 kmHigh 26.3°C · Low 19.6°C · 337 mm rain
- São Bernardo do Campo in JanuaryBrazil · 38 kmHigh 26.0°C · Low 19.1°C · 337 mm rain
- Santo André in JanuaryBrazil · 39 kmHigh 26.1°C · Low 19.3°C · 337 mm rain
- São Caetano do Sul in JanuaryBrazil · 44 kmHigh 26.3°C · Low 19.2°C · 232 mm rain
- Ferraz de Vasconcelos in JanuaryBrazil · 47 kmHigh 26.5°C · Low 19.0°C · 253 mm rain
- Mogi das Cruzes in JanuaryBrazil · 51 kmHigh 26.3°C · Low 18.8°C · 253 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Santos) is explained once on the Santos year overview and on the Sources, method and limits page.