ClimateAverages

Blumenau Climate

Santa Catarina, Brazil · population 293,949 · 19 weather stations within 200 km · records 1781 to 2025

Average annual daytime high
25.4°C
Warmest month · January
29.7°C
Typical daytime high
Coldest month · July
11.6°C
Typical overnight low

Blumenau has an average annual daytime high of 25.4°C, based on the 1951 to 1980 baseline. Its warmest month is January, when highs typically reach 29.7°C, and its coldest is July, with overnight lows near 11.6°C.

Month by month averages

MonthAvg highAvg low
January29.7°C20.0°CWarmest
February29.7°C20.4°C
March28.6°C19.5°C
April25.9°C16.5°C
May23.5°C13.8°C
June21.5°C11.8°C
July21.3°C11.6°CColdest
August22.2°C12.5°C
September22.9°C14.2°C
October24.5°C15.8°C
November26.8°C17.2°C
December28.5°C18.8°C

Temperature range across the year

10°15°21°26°32°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2023
+1.7°C vs. 1951–1980
Coldest year on record
1874
-1.8°C vs. 1951–1980

These figures reflect annual averages, not single-day records. Daily observations are outside this dataset's precision.

Is Blumenau getting hotter?

Since 1900, Blumenau's average temperature has risen by +1.5°C. Compared to the earliest station records that begin in 1781, warming totals +1.5°C.

19.8°20.4°20.9°21.4°21.9°1951–1980 baseline190019251950197520002025

20-year smoothed annual temperature reconstructed from station anomalies. Dashed line: 1951–1980 baseline.

Best time to visit
April to October

Daytime highs sit within a comfortable 15°C to 26°C range.

FAQ

What is the average temperature in Blumenau?

Blumenau's average annual daytime high is 25.4°C, based on the 1951 to 1980 baseline period. The warmest month is January, with highs averaging 29.7°C, and the coldest is July, with lows averaging 11.6°C.

What is the warmest month in Blumenau?

January is the warmest month in Blumenau, with typical daytime highs of 29.7°C.

What is the hottest year on record for Blumenau?

2023 is the hottest year on record for Blumenau, running +1.7°C above the 1951 to 1980 baseline.

Is Blumenau getting hotter?

Yes. Since 1900, Blumenau has warmed by roughly +1.5°C.

When is the best time to visit Blumenau?

April to October typically offers the most comfortable daytime highs, in the 15°C to 26°C range.

Nearby cities

Baseline period 1951 to 1980. Monthly averages are the mean of station observations weighted by proximity. Warming trend is the 20-year smoothed anomaly against that baseline.