São Paulo weather in December
Temperature, rain and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Fair
Best time to visit: April – September
What is the weather like in São Paulo in December?
In December, São Paulo is warm: daytime highs average 26 °C, and nights cool down to about 18 °C. Expect around 5 hours of sunshine a day. It rains often – on about 20 days, adding up to 170 mm. The air is often humid and muggy. All in all, December is a so-so month for a holiday in São Paulo.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 62 | 58 | 56 |
| Day | 25° | 26° | 26° |
| Night | 17° | 18° | 19° |
| Sun | 5 h | 5 h | 5 h |
| Rain days | 16 | 20 | 23 |
More details for December
- Daylight
- 13 h 34 min05:14 – 18:49
- UV index
- 13 · extremeclear sky, noon (estimate)All months
- Muggy days
- 21 daysdew point 18 °C or moreAll months
- Wind
- 17 km/haverage daily peakAll months
- Cloud cover
- 75 %on averageAll months
- Hot days
- 2 days30 °C or moreAll months
- Time zone
- UTC−3America/Sao_Paulo
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %40 %
- Few rainy daysweight 30 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in December
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
São Paulo in December: quick answers
Is São Paulo hot in December?
Warm rather than hot: in December, daytime highs in São Paulo average 26 °C and nights cool to about 18 °C. On about 2 days the thermometer climbs to 30 °C or more.
Does it rain much in São Paulo in December?
It rains often – on about 20 days, adding up to 170 mm.
São Paulo month by month
The whole year in São PauloAll destinations: BrazilWhere to go in December
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences