ClimateAverages

Gualeguaychu Climate

Entre Rios, Argentina · population 78,676 · 35 weather stations within 200 km · records 1856 to 2025

Average annual daytime high
23.4°C
Warmest month · January
30.8°C
Typical daytime high
Coldest month · July
6.0°C
Typical overnight low

Gualeguaychu has an average annual daytime high of 23.4°C, based on the 1951 to 1980 baseline. Its warmest month is January, when highs typically reach 30.8°C, and its coldest is July, with overnight lows near 6.0°C.

Month by month averages

MonthAvg highAvg low
January30.8°C17.9°CWarmest
February29.8°C17.1°C
March27.4°C15.6°C
April23.2°C11.4°C
May20.1°C8.8°C
June16.3°C6.2°C
July16.5°C6.0°CColdest
August18.1°C6.5°C
September20.4°C8.4°C
October22.9°C11.1°C
November26.5°C13.6°C
December29.4°C16.2°C

Temperature range across the year

4°11°18°26°33°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2022
+1.8°C vs. 1951–1980
Coldest year on record
1862
-1.7°C vs. 1951–1980

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

Is Gualeguaychu getting hotter?

Since 1900, Gualeguaychu's average temperature has risen by +1.5°C. Compared to the earliest station records that begin in 1856, warming totals +1.7°C.

16.8°17.3°17.9°18.4°18.9°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 Gualeguaychu?

Gualeguaychu's average annual daytime high is 23.4°C, based on the 1951 to 1980 baseline period. The warmest month is January, with highs averaging 30.8°C, and the coldest is July, with lows averaging 6.0°C.

What is the warmest month in Gualeguaychu?

January is the warmest month in Gualeguaychu, with typical daytime highs of 30.8°C.

What is the hottest year on record for Gualeguaychu?

2022 is the hottest year on record for Gualeguaychu, running +1.8°C above the 1951 to 1980 baseline.

Is Gualeguaychu getting hotter?

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

When is the best time to visit Gualeguaychu?

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.