Temperature
Warm by day, mild at night.
São Gonçalo is most comfortable in the drier months around May to August. Typical daytime highs run about 79-90°F year-round. The climate is hot and humid. Rainy season runs roughly November to March.

Warm by day, mild at night.
One of the driest months of the year.
Plenty of sun this month.
Warm days, with some hot afternoons and occasional humid spells.
In August, afternoons feel about 81° and nights feel near 69°.
Partly cloudy across the month.
August late afternoons are around 80°F, easing to about 77°F in early evening.
Calm winds are typical in August.
Want a side-by-side climate view? Compare São Gonçalo with Rio de Janeiro.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jul 27, 2026
Data & methodology