Sao Paulo December weather
Sao Paulo, Brazil · December
Downpours + traffic: flexibility and rain gear matter most
December marks the start of summer: warmer, more humid, and noticeably wetter. Comfort is shaped by humidity and how long you’re exposed outdoors.
Afternoon downpours can disrupt moves and slow traffic. A flexible plan with indoor backups keeps the day smooth even when storms hit.
December averages at a glance
Average low
around 19–21°C
Average high
around 27–30°C
Average precipitation
around 170–260 mm
Precip days
about 13–19 days
What to wear in December in Sao Paulo
Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.
- • Breathable/quick-dry clothing.
- • Umbrella/light rain shell (recommended).
- • Thin layer for A/C.
- • Shoes with grip.
- • Optional waterproof pouch.
Travel tips for visiting Sao Paulo in December
- • Design your day so you can duck indoors quickly during downpours.
- • Build buffer time for transport—rain can compound traffic.
- • In humid heat, hydration and electrolytes improve comfort.
December weather in Sao Paulo — FAQ
Q. Does it rain all day in December?
A. Sometimes, but many days feature short intense downpours rather than constant rain.
Q. Is December a good time to visit?
A. It’s lively, but weather variability is high—flexible planning is key.
Explore Sao Paulo
These pages are connected so you can compare conditions and decide for yourself.