São Paulo weather in December
December is one of the least pleasant months in São Paulo: highs of 27°C (81°F) and about 177 mm (7.0 in) of rain on average. Nights average 17°C (63°F) and cloud cover 77% (NASA POWER, 2001–2025 averages). It is the 2nd wettest month of the year and the warmest. Compared with November, it is warmer and wetter; January brings highs of 27°C (80°F) and 230 mm (9.1 in) of rain.
Is December a good time to visit São Paulo?
least pleasant month Weather score 55/100.
December is one of the least pleasant months for weather in São Paulo. For better conditions, consider Apr–Sep.
Does it rain a lot in São Paulo in December?
Yes, it is one of the rainy months: about 177 mm (7.0 in) falls in an average December. It is the 2nd wettest month of the year.
How warm is São Paulo in December?
Days average 27°C (81°F) and nights 17°C (63°F).
São Paulo weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 27°C (80°F) | 18°C (64°F) | 230 mm | 78% | least pleasant |
| February | 27°C (80°F) | 18°C (64°F) | 175 mm | 69% | least pleasant |
| March | 26°C (79°F) | 17°C (63°F) | 145 mm | 65% | fair |
| April | 25°C (76°F) | 15°C (60°F) | 84 mm | 57% | best |
| May | 22°C (72°F) | 12°C (54°F) | 67 mm | 57% | best |
| June | 22°C (71°F) | 11°C (52°F) | 58 mm | 53% | best |
| July | 22°C (71°F) | 10°C (50°F) | 61 mm | 48% | best |
| August | 24°C (74°F) | 11°C (52°F) | 36 mm | 47% | best |
| September | 26°C (78°F) | 13°C (55°F) | 68 mm | 59% | best |
| October | 27°C (80°F) | 15°C (58°F) | 104 mm | 71% | fair |
| November | 26°C (80°F) | 15°C (60°F) | 148 mm | 75% | fair |
| December | 27°C (81°F) | 17°C (63°F) | 177 mm | 77% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months