Temperature
Hot by day, mild at night.
Cuiabá is most comfortable in the drier months around May to July. Typical daytime highs run about 87-94°F year-round. The climate is hot and humid. Rainy season runs roughly November to March.

Hot by day, mild at night.
One of the drier months of the year.
Plenty of sun this month.
Hot days, with humid stretches.
In August, afternoons feel about 91° and nights feel near 73°.
Predominantly clear skies.
August late afternoons are around 91°F, and early evening stays near 91°F.
Calm winds are typical in August.
Want a side-by-side climate view? Compare Cuiabá 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