Sao Paulo, Brazil Climate & Monthly Averages
The climate of 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.
Climate 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.
How Sao Paulo compares
- Sao Paulo sits close to the middle of our dataset on most measures: 67°F (20°C) as an annual average, 49.3 inches (1253 mm) of precipitation and 8.9 hours of sun a day.
Ranked against every city in our dataset, each measured on the same ten-year window.
Monthly climate table
| 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% |
Sao Paulo month by month
Sao Paulo weather in January
January brings highs around 81°F (27°C), lows near 66°F (19°C), about 24 wet days - typically the hottest month and the wettest month of the year in Sao Paulo.
Sao Paulo weather in February
February brings highs around 80°F (27°C), lows near 65°F (18°C), about 19 wet days.
Sao Paulo weather in March
March brings highs around 80°F (26°C), lows near 65°F (18°C), about 19 wet days.
Sao Paulo weather in April
April brings highs around 77°F (25°C), lows near 61°F (16°C), about 10 wet days.
Sao Paulo weather in May
May brings highs around 73°F (23°C), lows near 57°F (14°C), about 8 wet days.
Sao Paulo weather in June
June brings highs around 71°F (22°C), lows near 55°F (13°C), about 6 wet days.
Sao Paulo weather in July
July brings highs around 72°F (22°C), lows near 53°F (12°C), about 3 wet days - typically the coldest month and the driest month of the year in Sao Paulo.
Sao Paulo weather in August
August brings highs around 73°F (23°C), lows near 54°F (12°C), about 6 wet days.
Sao Paulo weather in September
September brings highs around 79°F (26°C), lows near 59°F (15°C), about 8 wet days.
Sao Paulo weather in October
October brings highs around 78°F (26°C), lows near 61°F (16°C), about 15 wet days.
Sao Paulo weather in November
November brings highs around 78°F (25°C), lows near 61°F (16°C), about 17 wet days.
Sao Paulo weather in December
December brings highs around 80°F (27°C), lows near 64°F (18°C), about 21 wet days - typically the sunniest month of the year in Sao Paulo.
Seasons in Sao Paulo
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.
Climate questions, answered
How warm is Sao Paulo on average?
How often does it rain in Sao Paulo?
How humid does Sao Paulo get?
Is Sao Paulo cold in winter?
Best time to visit Sao Paulo
The best time to visit Sao Paulo is generally May to September, when warm days, manageable rainfall and plenty of daylight line up. Daytime temperatures in that window sit near 74°F (23°C), with rain on about 6 days a month. For the same question asked the other way round, see where else is warm in May.
Pack for Sao Paulo with light clothing for the warm months and proper waterproofs rather than an umbrella - wet days are the norm here. Note the gap between afternoon and night: January pairs 81°F (27°C) with 66°F (19°C).
Sao Paulo temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.