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Climate in São Paulo
(Brazil)

Average daytime and nighttime temperatures


All climatic diagrams on this site result from the collected data from 14 measuring stations in São Paulo.
Weather stations at an altitude above 1030m have not been included.
All data correspond to the average monthly values of the last 20 years.


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São Paulo is one of the coldest regions in Brazil with an average daily high temperature of only 29 degrees centigrade. High humidity and hot temperatures make the weather at times pleasant but also tropical humid. It is yearlong warm or hot. Because of the lower temperatures the best time for traveling is from June to July. Try to avoid the rainy season from November to March.
Overview: Climate in Brazil
Daylengths and sun positions in Brazil
Compare climate with other regions or countries
Hours of sunshine per daySunshine hours per day in São Paulo
The number of hours of sunshine refers to the time when the sun is actually visible. That is, without any obstruction of visibility by clouds, fog or mountains. With 8 hours per day, August is the sunniest month in the state of São Paulo. In January the sun shines the shortest.
Rainy days per monthRainy days per month in São Paulo
A rainy day is a day on which at least an amount of 0.1 mm precipitation (=0.1 liter) per square meter falls. This can be rain, snow, hail or even dew. So it does not have to rain the whole day. With 16 rainy days, January offers the most number of rainy days, and in August the least.
Precipitation in mm/dayPrecipitation in São Paulo
The amount of precipitation is measured in millimeters per square meter. Thus, at 2 mm/day, 2 liters of water fall on one square meter within 24 hours. With only 0.85 mm, the least rain falls in August. January, on the other hand, has the most rain.
Relative humidity in %Relative humidity in São Paulo
Warm air can absorb more moisture than cold air. The relative humidity indicates how much moisture of the physically possible is actually contained in the air. At high humidity, the person feels uncomfortable and perceives this as oppressive. In general, a relative humidity of 40-60% gives as pleasant. With humidity averaging 80%, January is the most uncomfortable. In August, on the other hand, it is easier to endure.
Absolute humidity in g/m³Absolute humidity in São Paulo
In warm months, there is also a higher absolute humidity almost everywhere. At a temperature of 25°C, air can absorb up to 23 grams of water per cubic meter. At 20°C, it is only 17.3 grams. A relative humidity of 40% at 25°C thus corresponds to an absolute humidity of 9.2 grams of water. From a proportion of approx. 13.5 grams, humans perceive the air as muggy. This limit is reached in 11 months in São Paulo, although these are average values, and a month is rarely completely or not at all considered humid.
Humidex in °CHumidex in São Paulo
The "Humidex" (humidity index) is an index of well-being in warmer areas, calculated from the air temperature, relative humidity and dew point. The index corresponds approximately to the temperature felt. At high temperatures, the body transports heat away by sweating. At high humidity the ambient air can only absorb a small amount of sweat and thus one feels uncomfortable. An index of 20-29 is considered comfortable. Up to 39, people perceive the air as slightly uncomfortable, and above 40, as very uncomfortable. Values above 45 are dangerous in the long run and often lead to heat stroke.
Map of São Paulo

Most important cities in the state »São Paulo«

Alone 9 major cities with over 600,000 inhabitants are located here. The state has a west-east extension of about 740 km and over 560 km from north to south.

CityPopulationGeo-Position
São Paulo12,141,89023° 32' 51"S46° 38' 10"W
Guarulhos1,379,18023° 27' 46"S46° 31' 60"W
Campinas1,183,37022° 54' 20"S47° 3' 39"W
São Bernardo do Campo824,90023° 41' 38"S46° 33' 54"W
Santo André718,77023° 39' 50"S46° 32' 18"W
São José dos Campos707,26023° 10' 46"S45° 53' 13"W
Ribeirão Preto701,30021° 10' 39"S47° 48' 37"W
Osasco698,42023° 31' 57"S46° 47' 30"W
Sorocaba672,46023° 30' 6"S47° 27' 29"W
Mauá472,91023° 40' 4"S46° 27' 41"W
Santos432,99023° 57' 39"S46° 20' 1"W
São José do Rio Preto432,72020° 49' 11"S49° 22' 46"W
Mogi das Cruzes410,81023° 31' 22"S46° 11' 18"W
Jundiaí400,94023° 11' 11"S46° 53' 3"W
Carapicuíba400,93023° 31' 22"S46° 50' 6"W
Diadema386,08923° 41' 10"S46° 37' 22"W
Bauru338,18422° 18' 53"S49° 3' 38"W
São Vicente324,45723° 57' 47"S46° 23' 31"W
Itaquaquecetuba321,77023° 29' 10"S46° 20' 54"W
Franca313,04620° 32' 19"S47° 24' 3"W
Guarujá310,42423° 59' 35"S46° 15' 23"W
Piracicaba297,76722° 43' 31"S47° 38' 57"W
Suzano283,31423° 32' 33"S46° 18' 39"W
Limeira267,80422° 33' 53"S47° 24' 6"W
Embu240,23023° 38' 56"S46° 51' 8"W
Taubaté232,04923° 1' 35"S45° 33' 19"W
Taboão da Serra214,52323° 37' 34"S46° 47' 30"W
Americana209,65422° 44' 21"S47° 19' 53"W
São Carlos205,03522° 1' 3"S47° 53' 27"W
Hortolândia203,53322° 51' 30"S47° 13' 12"W


Data basis: German Weather Service, individual values averaged and supplemented by own elements. Data on cities and inhabitants: geonames.org, United Nations Statistics Division and own research.
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