Sao Paulo Weather in December: Climate, Temperature & Travel Tips
Avg 21.6°C · 155mm rain — December is summer in Sao Paulo.
- Avg high
- 26.7 °C
- Avg low
- 17.9 °C
- Avg
- 21.6 °C
- Precipitation
- 155 mm
Source: Open-Meteo Archive 2014–2023 · 10-year climate normals
Climate Overview
December in Sao Paulo, Brazil brings summer conditions: average temperature 21.6°C, average high 26.7°C, average low 17.9°C. Monthly rainfall averages 155mm, making it a wet time of year.
Conditions are pleasant for most travel activities.
What to Pack
- Short sleeves and light pants; sunglasses
- Light shoes or sandals
- Compact umbrella and waterproof jacket
Best Things to Do
- Walking tours and city exploration
- Parks and outdoor cafes
- Seasonal food and night markets (where applicable)
Pros and Cons of Visiting in December
Pros:
- Pleasant temperatures for walking and outdoor sightseeing
Cons:
- Frequent rain — pack waterproof gear
- Peak season — expect higher prices and more crowds
Climate source: Open-Meteo Archive (2014–2023).
Colour = avg temperature · blue = cool · orange = warm
- 1 January 22.6°C
- 2 February 22.1°C
- 3 December 21.6°C
- 1 July 16.3°C
- 2 June 16.6°C
- 3 August 17.1°C
FAQ
01 What is the average temperature in Sao Paulo in December? +
The average is 21.6°C, with a high of 27°C and a low of 18°C.
02 What is Sao Paulo like to visit in December? +
It is summer in Sao Paulo, which is ideal for outdoor exploration.
03 Does it rain often in Sao Paulo during December? +
Average rainfall is 155mm, which is high — expect frequent rain.
04 What should I pack for Sao Paulo in December? +
Short sleeves and light pants; sunglasses; Light shoes or sandals.
05 Is December a peak travel season for Sao Paulo? +
Generally yes — book accommodations and flights well in advance.
06 Where does this climate data come from? +
Monthly averages computed from Open-Meteo Archive 2014–2023 daily observations.
- Sources
- Open-Meteo Archive 2014-2023
- Updated
- 2026-04-17