Sao Paulo, Brazil Weather
Sao Paulo hourly forecast: next 24 hours
Today's high of 61°F (16°C) is about 18°F (10°C) below the typical September high of 79°F (26°C).
Current conditions in detail
Sao Paulo weather tomorrow (Wednesday, September 16)
Tomorrow in Sao Paulo looks patchy rain nearby, with a high of 61° and an overnight low of 52°. There is a 62% chance of rain - plan accordingly. Winds top out near 12 mph, and the UV index reaches 8 (high).
Sao Paulo 14-day forecast
About the weather in Sao Paulo
Expect hot, humid summers and generally mild winters in Sao Paulo: that is what a humid subtropical climate means in practice. Highs peak at 81°F (27°C) in January and fall to 72°F (22°C) by July, with 8.9 hours of sun on an average day.
Sao Paulo weather: quick facts
- Hottest month: January - highs near 81°F (27°C)
- Coldest month: July - highs near 72°F (22°C)
- Decade extremes (2015-2024): 101°F (38°C) high · 35°F (1°C) low
- Wettest month: January (24 rainy days) · Sunniest: December (9.8 h sun/day)
- Climate type: humid subtropical
- Annual swing: 6°C between the average warmest and coolest month · day to night: 9°C
- Average humidity: 81%
Temperatures through the year
July sits at the other end of the year: 72°F (22°C) by day, 53°F (12°C) at night. January is the warm end of the year, averaging 81°F (27°C) by day and 66°F (19°C) overnight. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 101°F (38°C) and the lowest daily minimum 35°F (1°C). Relative humidity averages 81% across the year, more humid than roughly 88% of the cities we track.
Rain, sun and snow
Between the average January and the average July lie 6°C, a narrower spread than about 83% of the cities we track. Six of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is April through September. The wettest month is January (8.8 inches (224 mm) across 24 days) and the driest July. December is the brightest month at 9.8 hours of sun a day, against an annual average of 8.9.
Season by season
Spring (September through November)
Through spring, Sao Paulo settles into easy warmth: 78°F (26°C) by day, 60°F (16°C) after dark, and rain falls on around 40 of the 90 days.
Summer (December through February)
Summer brings comfortable warmth here - highs near 80°F (27°C), nights near 65°F (18°C), and rain falls on around 64 of the 90 days.
Fall (March through May)
Through fall, Sao Paulo settles into easy warmth: 77°F (25°C) by day, 61°F (16°C) after dark, and rain falls on around 36 of the 90 days.
Winter (June through August)
Through winter, Sao Paulo brings comfortable warmth: 72°F (22°C) by day, 54°F (12°C) after dark, and rain comes on about 15 days over the three months.
Average temperatures in Sao Paulo by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 81° | 66° | 24 | 8.8 in | 9.5 h/day | 83% |
| February | 80° | 65° | 19 | 6.6 in | 9.4 h/day | 84% |
| March | 80° | 65° | 19 | 5.8 in | 9.5 h/day | 85% |
| April | 77° | 61° | 10 | 2.3 in | 9.2 h/day | 83% |
| May | 73° | 57° | 8 | 2.0 in | 8.2 h/day | 81% |
| June | 71° | 55° | 6 | 1.7 in | 8.1 h/day | 80% |
| July | 72° | 53° | 3 | 1.2 in | 8.8 h/day | 76% |
| August | 73° | 54° | 6 | 1.9 in | 8.3 h/day | 76% |
| September | 79° | 59° | 8 | 2.7 in | 9.1 h/day | 75% |
| October | 78° | 61° | 15 | 4.5 in | 8.2 h/day | 81% |
| November | 78° | 61° | 17 | 5.6 in | 9.0 h/day | 82% |
| December | 80° | 64° | 21 | 6.4 in | 9.8 h/day | 82% |