Stargazing in Jose Bonifacio, São Paulo, Brazil

Dark-sky rating for Jose Bonifacio

Jose Bonifacio, São Paulo, Brazil is a small city (population about 128,243). A place this size typically has a rural to suburban transition: the Milky Way core can be glimpsed on clear, moonless nights. That is an estimate of Bortle class 4–5 from population, not a measurement: the real value depends on the exact spot you observe from.

For a measured reading at any point, open the live Dark Sky map.

Nearest dark-sky places and observatories

• Pico dos Dias Observatory · observatory · about 144 km away

Milky Way season in Jose Bonifacio

The bright core of the Milky Way passes almost directly overhead. It climbs at least 20° above the horizon during astronomical darkness in February, March, April, May, June, July, August, September, October, peaking in April at about 84°.

• The south celestial pole stands 23.6° above the horizon, so stars within 24° of it never set from here.
• About 70% of the whole sky rises above the horizon at some point in the year from this latitude.
• The Milky Way's core in Sagittarius culminates about 84.6° up, passing almost directly overhead.
• The Large and Small Magellanic Clouds are circumpolar here — visible on any clear, dark night of the year.
• At 812 m elevation, roughly 9% of the atmosphere's mass is already below you, which measurably reduces extinction near the horizon.

Tonight and aurora

As of November 6, 2026 (UTC) the Moon is a Waning Crescent at 7% illumination. Aurora at 23.6° latitude generally needs about Kp 9.0.

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