Guarapiranga Reservoir

Large urban reservoir supplying São Paulo, recreational area

A reservoir southwest of São Paulo, Guarapiranga serves weekend sailors, wakeboarders and lakeside restaurants; urban recreation sits alongside residential and utility functions for the city.

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Guarapiranga at a Glance#

Address: Guarapiranga Reservoir, São Paulo, Brazil (approx. coordinates -23.72214, -46.73188)

Hours: Open year-round

Admission: Free

About Guarapiranga#

Guarapiranga is a reservoir and lake in the southern part of the municipality of São Paulo, Brazil, created by damming as part of the city’s water infrastructure. It is one of the larger urban reservoirs within the São Paulo metropolitan area and is surrounded by dense urban and suburban development.

The reservoir is used for a mix of water management and recreational activities, including boating and shoreline leisure in adjacent neighborhoods. It is an important landscape feature in the southern sector of São Paulo city.

The reservoir was formed as part of 20th century waterworks to serve the expanding city and since then has been incorporated into urban land use for both utility and recreation.

Guarapiranga sits inside the São Paulo city limits in the state of São Paulo, in the southern metropolitan zone of Brazil’s largest city.

How to Get to Guarapiranga#

Guarapiranga is reached by car from central São Paulo via Avenida Guarapiranga and local service roads. Several bus lines from southern districts serve stops near the reservoir; times vary by route.

Tips for Visiting Guarapiranga#

  • Visit early on weekdays to see local fishermen and avoid heavy weekend use.
  • If using the reservoir for recreation check municipal rules - some sections restrict boats or motorized watercraft.
  • Combine a trip with a visit to nearby parks or Paulista-area attractions if based in São Paulo city.

Best Time to Visit Guarapiranga#

Dry season (May-September) is preferable for predictable weather and clearer skies.

Dry season
May-September · 15-25°C
Lower rainfall and clearer days for boating and lakeside activities.
Summer/monsoon
December-March · 20-32°C
Warm but prone to heavy afternoon rain and storms.

Weather & Climate near Guarapiranga#

Climate

Guarapiranga's climate is classified as Humid Subtropical - Humid Subtropical climate with warm summers (peaking in February) and cool winters (coldest in July). Temperatures range from 10°C to 26°C. Abundant rainfall (1659 mm/year), wettest in January.

Air Quality: AQI 57 Moderate
Temperature & Rainfall
Temperature Range
26°
Warmest Month
10°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January - 18° - 25° 21° 258 mm - - 1.9 m/s - -
February - 18° - 26° 22° 235 mm - - 1.9 m/s - -
March - 17° - 25° 21° 195 mm - - 1.9 m/s - -
April - 15° - 23° 19° 100 mm - - 1.9 m/s - -
May - 13° - 21° 17° 75 mm - - 1.8 m/s - -
June - 11° - 20° 16° 59 mm - - 1.7 m/s - -
July - 10° - 20° 15° 54 mm - - 1.8 m/s - -
August - 11° - 21° 16° 59 mm - - 2.0 m/s - -
September - 12° - 21° 17° 91 mm - - 2.3 m/s - -
October - 14° - 22° 18° 164 mm - - 2.4 m/s - -
November - 15° - 23° 19° 153 mm - - 2.4 m/s - -
December - 17° - 24° 20° 216 mm - - 2.3 m/s - -