Instituto Butantan

Museum Biomedical research center and vaccine institute in São Paulo

São Paulo’s Instituto Butantan pairs biomedical research with public exhibits: a serpentarium, venom museum and guided tours that explain vaccine work and herpetology collections.

Main image

Instituto Butantan is a biomedical research and public health institution in São Paulo, Brazil, founded in 1901 and renowned for venom research and the production of antivenoms and biologicals. It combines active research laboratories with public museums and a serpentarium.

The institute’s public areas include a large serpentarium where visitors see live snakes and other reptiles, museum exhibits on venom and immunology, and guided education displays about vaccine and antivenom production. Many visitors come for the combination of scientific outreach and live-animal displays.

Established in the early 20th century to study venomous animals and produce antivenoms, the institute has played a pivotal role in Brazil’s public health responses to envenomation and infectious disease. Over the decades it has expanded its research portfolio and public education programs.

Instituto Butantan occupies a campus in the Butantã district in western São Paulo city, adjacent to academic and urban neighborhoods and accessible from central São Paulo.

  • Founding and role: Founded in 1901, the institute is internationally known for venom research and antivenom production and combines laboratories with public education facilities.

What to See #

  • Serpentarium: A large live collection of venomous snakes and other reptiles used for research, education and public viewing; this serpentarium is a key attraction in the institute's public area.
  • Museums and public exhibits: A public museum and exhibition complex that explains venom research, vaccine and antivenom production and the institute's history; displays include preserved specimens and educational exhibits.
  • Research and production facilities: Operational laboratories and production facilities where antivenoms and biological products are researched and manufactured for public health use in Brazil.
Instituto Butantan
Instituto Butantan, Av. Vital Brasil, 1500 - Butantã, São Paulo, SP, Brazil
-23.5676, -46.7183
Museum and visitor centre hours vary; commonly Tue-Sun 9:00am-5:00pm
Museum and serpentarium entry: often small fee (varies); check official site

How to Get to Instituto Butantan #

Instituto Butantan is in western São Paulo (Butantã district). Take Line 4 (Yellow) of the São Paulo metro to Butantã station and then a short taxi or bus ride, or drive via Marginal Pinheiros and local avenues; parking is available on site.

Tips for Visiting Instituto Butantan #

  • Book the guided tour of the serpentarium in advance-limited spaces and language options can fill up.
  • Combine a visit with the municipal park and the adjacent São Paulo zoo for a full day of outdoor science and nature.
  • Mind opening hours around national holidays; some labs close for staff training.

Best Time to Visit Instituto Butantan #

Butantan is visitable year-round; check for scheduled tours of the venom labs and serpentarium when planning a trip.

Spring/Summer
Sep-Feb (Southern Hemisphere) · 20-30°C
Warmer conditions in São Paulo-good for combining outdoor and indoor exhibits.
Autumn/Winter
Mar-Aug · 10-22°C
Cooler and drier; indoor exhibits are comfortable and less crowded on weekdays.

Weather & Climate near Instituto Butantan #

Climate

Instituto Butantan's climate is classified as Humid Subtropical - Humid Subtropical climate with warm summers (peaking in February) and mild winters (coldest in July). Temperatures range from 10°C to 26°C. Abundant rainfall (1445 mm/year), wettest in January.

Air Quality: AQI 56 Moderate
Best Time to Visit
AprilMaySeptember
Temperature & Rainfall
Temperature Range
39°
Warmest Month
Coldest Month
Monthly Conditions

January

January is mild with highs of 26°C and lows of 18°C. The wettest month with heavy rain (244 mm) and mostly overcast skies.

65 Good

Comfort

22°
Feels Like Mild
22°C
Temperature
18° 26°
83%
Humidity
Very Humid

Weather

244 mm
Rainfall
1.8 m/s
Wind
Calm
2.3
UV Index
Extreme
13.3h daylight

February

February is the warmest month with highs of 26°C and lows of 18°C. Heavy rain (219 mm) and partly cloudy skies.

69 Good

Comfort

22°
Feels Like Mild
22°C
Temperature
18° 26°
83%
Humidity
Very Humid

Weather

219 mm
Rainfall
1.8 m/s
Wind
Calm
2.3
UV Index
Extreme
12.8h daylight

March

March is mild with highs of 26°C and lows of 17°C. Significant rainfall (170 mm) and partly cloudy skies.

71 Very Good

Comfort

21°
Feels Like Mild
21°C
Temperature
17° 26°
85%
Humidity
Very Humid

Weather

170 mm
Rainfall
1.9 m/s
Wind
Calm
2.0
UV Index
Extreme
12.1h daylight

April

April is mild with highs of 24°C and lows of 15°C. Moderate rainfall (74 mm) and partly cloudy skies.

81 Excellent

Comfort

19°
Feels Like Mild
19°C
Temperature
15° 24°
84%
Humidity
Very Humid

Weather

74 mm
Rainfall
1.8 m/s
Wind
Calm
1.6
UV Index
Very High
11.4h daylight

May

May is cool with highs of 22°C and lows of 13°C. Moderate rainfall (60 mm) and partly cloudy skies.

81 Excellent

Comfort

17°
Feels Like Cool
17°C
Temperature
13° 22°
84%
Humidity
Very Humid

Weather

60 mm
Rainfall
1.7 m/s
Wind
Calm
1.1
UV Index
High
10.9h daylight

June

June is cool with highs of 21°C and lows of 11°C. Moderate rainfall (48 mm) and partly cloudy skies.

75 Very Good

Comfort

16°
Feels Like Cool
16°C
Temperature
11° 21°
82%
Humidity
Very Humid

Weather

48 mm
Rainfall
1.6 m/s
Wind
Calm
0.9
UV Index
Moderate
10.6h daylight

July

July is the coolest month with highs of 20°C and lows of 10°C. Moderate rainfall (38 mm).

79 Very Good

Comfort

16°
Feels Like Cool
16°C
Temperature
10° 21°
79%
Humidity
Very Humid

Weather

38 mm
Rainfall
1.7 m/s
Wind
Calm
0.9
UV Index
Moderate
10.7h daylight

August

August is cool with highs of 22°C and lows of 11°C. Moderate rainfall (42 mm).

79 Very Good

Comfort

17°
Feels Like Cool
17°C
Temperature
11° 22°
75%
Humidity
Very Humid

Weather

42 mm
Rainfall
1.9 m/s
Wind
Calm
1.2
UV Index
High
11.2h daylight

September

September is cool with highs of 22°C and lows of 12°C. Moderate rainfall (74 mm) and partly cloudy skies.

81 Excellent

Comfort

17°
Feels Like Cool
17°C
Temperature
12° 22°
73%
Humidity
Very Humid

Weather

74 mm
Rainfall
2.2 m/s
Wind
Calm
1.4
UV Index
High
11.8h daylight

October

October is mild with highs of 23°C and lows of 14°C. Significant rainfall (140 mm) and partly cloudy skies.

71 Very Good

Comfort

19°
Feels Like Mild
19°C
Temperature
14° 23°
75%
Humidity
Very Humid

Weather

140 mm
Rainfall
2.3 m/s
Wind
Calm
1.8
UV Index
Very High
12.5h daylight

November

November is mild with highs of 24°C and lows of 15°C. Significant rainfall (135 mm) and mostly overcast skies.

67 Good

Comfort

20°
Feels Like Mild
20°C
Temperature
15° 25°
79%
Humidity
Very Humid

Weather

135 mm
Rainfall
2.3 m/s
Wind
Calm
2.1
UV Index
Extreme
13.1h daylight

December

December is mild with highs of 25°C and lows of 17°C. Heavy rain (201 mm) and mostly overcast skies.

65 Good

Comfort

21°
Feels Like Mild
21°C
Temperature
17° 25°
81%
Humidity
Very Humid

Weather

201 mm
Rainfall
2.2 m/s
Wind
Calm
2.3
UV Index
Extreme
13.4h daylight

Nearby Attractions to Instituto Butantan