Climate in Santarém, Brazil

Santarém, Brazil has a tropical climate. The annual average temperature is about 27°C, with around 1307 hours of sunshine; the national rainfall baseline is roughly 1501 mm across 134 rainy days a year. The warmest month is Jan (highs near 31.6°C) and the coldest is Jul (lows near 22.3°C). These are deterministic planning estimates, not a forecast or measured station data. Temperature and sunshine follow the city's latitude; rainfall and the climate zone come from a country-level baseline that every city in the country shares (refined by region in the United States, Canada and Australia), so they do not show local differences. Check current conditions with an official meteorological service before travel.

Data year 2025; last updated 2026-05-16.

Santarém is classified as Tropical. The classification combines the city’s own temperature range, which follows its latitude, with a rainfall pattern taken at country level for Brazil — so cities in the same country usually share a zone.

The rainfall baseline for Brazil is about 1501 mm a year over roughly 134 rainy days, with the wettest month Apr and the driest Aug. This figure is not specific to Santarém: every city in Brazil carries the same baseline, so it will not show the difference between, say, a dry inland city and a wet coastal one. Use an official meteorological service for local rainfall.

Santarém sees an estimated 1307 hours of sunshine a year, concentrated in the warmer months around Jan.

By temperature and rainfall, the most comfortable months in Santarém are Jul, Aug, Jun. Conditions vary year to year — verify with a current forecast before booking.

Santarém has a climate comfort score of 52/100, a moderate year-round climate by this measure. The score weights mild temperatures most, then rainfall balance, sunshine, low seasonality, and the absence of extreme winter cold or summer heat.