ClimateAverages

Itajai Climate

Santa Catarina, Brazil · population 155,716 · 19 weather stations within 200 km · records 1781 to 2025

Average annual daytime high
23.5°C
Warmest month · February
27.9°C
Typical daytime high
Coldest month · July
13.6°C
Typical overnight low

Itajai has an average annual daytime high of 23.5°C, based on the 1951 to 1980 baseline. Its warmest month is February, when highs typically reach 27.9°C, and its coldest is July, with overnight lows near 13.6°C.

Month by month averages

MonthAvg highAvg low
January27.8°C21.8°C
February27.9°C22.0°CWarmest
March26.9°C21.3°C
April24.5°C18.6°C
May22.2°C16.2°C
June19.9°C14.1°C
July19.3°C13.6°CColdest
August19.9°C14.5°C
September20.7°C16.0°C
October22.1°C17.6°C
November24.3°C19.0°C
December26.3°C20.7°C

Temperature range across the year

12°16°21°25°30°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2023
+1.6°C vs. 1951–1980
Coldest year on record
1874
-1.7°C vs. 1951–1980

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

Is Itajai getting hotter?

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

20.3°20.8°21.3°21.8°22.4°1951–1980 baseline190019251950197520002025

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

Best time to visit
April to November

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

FAQ

What is the average temperature in Itajai?

Itajai's average annual daytime high is 23.5°C, based on the 1951 to 1980 baseline period. The warmest month is February, with highs averaging 27.9°C, and the coldest is July, with lows averaging 13.6°C.

What is the warmest month in Itajai?

February is the warmest month in Itajai, with typical daytime highs of 27.9°C.

What is the hottest year on record for Itajai?

2023 is the hottest year on record for Itajai, running +1.6°C above the 1951 to 1980 baseline.

Is Itajai getting hotter?

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

When is the best time to visit Itajai?

April to November 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.