Climate in Blumenau, Brazil

Blumenau, Brazil has a temperate climate. The annual average temperature is about 22.1°C and the city receives roughly 1501 mm of precipitation across 134 rainy days a year, with around 1286 hours of sunshine. The warmest month is Jan (highs near 27.7°C) and the coldest is Jul (lows near 16.6°C). These are deterministic, latitude- and region-based planning estimates — not a forecast or measured station data; check current conditions with an official meteorological service before travel.

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

Blumenau is classified as Temperate. This reflects its annual temperature range and the seasonal pattern of its rainfall.

Blumenau receives about 1501 mm of precipitation a year over roughly 134 rainy days. The wettest month is Apr and the driest is Aug.

Blumenau sees an estimated 1286 hours of sunshine a year, concentrated in the warmer months around Jan.

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

Blumenau has a climate comfort score of 83/100, a very comfortable 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.