São Paulo in December
In December, São Paulo averages 27°C (81°F) during the day and 18°C (64°F) at night, with frequent rain — about 15 days of the month see precipitation (200 mm total).
High seasonConditions are warm and beach-friendly. Plan for unsettled weather and bring rain gear.
December offers comfortable temperatures in São Paulo, with some rain to plan around.
How December compares to the rest of the year in São Paulo
December is in the middle of the year for warmth in São Paulo (5th of 12) and one of the wettest months (3rd of 12). Daytime temperature runs 2°C above the annual average (26°C). December runs roughly the same as November (27°C) and warms a further 1°C into January (28°C).
December sunrise & sunset in São Paulo
Times shown for São Paulo local time (America/Sao_Paulo), calculated for the 15th of December. They shift by a few minutes day to day across the month.
Photography light in São Paulo — December
Golden-hour and blue-hour windows for the 15th of December, in São Paulo's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — São Paulo in December
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on December's tier (High season) and São Paulo's popularity.
Crowds & pricing — December in São Paulo
This is a busy month in São Paulo — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: comfortable tourism weather
Sun & mosquito risk — December in São Paulo
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
São Paulo in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 28°C / 82°F | 19°C / 66°F | 240 mm | 16 | 0 |
| February | 28°C / 82°F | 19°C / 66°F | 215 mm | 15 | 0 |
| March | 28°C / 82°F | 18°C / 64°F | 160 mm | 13 | 0 |
| April | 26°C / 79°F | 16°C / 61°F | 75 mm | 9 | 0 |
| May | 23°C / 73°F | 13°C / 55°F | 75 mm | 9 | 0 |
| June | 22°C / 72°F | 12°C / 54°F | 55 mm | 7 | 0 |
| July | 22°C / 72°F | 11°C / 52°F | 45 mm | 7 | 0 |
| August | 24°C / 75°F | 12°C / 54°F | 40 mm | 6 | 0 |
| September | 25°C / 77°F | 14°C / 57°F | 80 mm | 9 | 0 |
| October | 26°C / 79°F | 15°C / 59°F | 125 mm | 12 | 0 |
| November | 27°C / 81°F | 17°C / 63°F | 145 mm | 13 | 0 |
| December | 27°C / 81°F | 18°C / 64°F | 200 mm | 15 | 0 |
Other cities with similar December weather
🌍 See the full ranked list of climate twins for São Paulo in December →
Frequently asked questions
How hot is São Paulo in December?
In December, São Paulo averages a high of 27°C (81°F) and a low of 18°C (64°F) — generally warm.
Does it rain a lot in São Paulo in December?
December is quite rainy in São Paulo, with about 15 rainy days on average.
Is December a good time to visit São Paulo?
December is warm but on the rainy side. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for São Paulo in December?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full December packing list for São Paulo for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.