ClimateAverages

Petropolis Climate

Rio de Janeiro, Brazil · population 272,691 · 36 weather stations within 200 km · records 1781 to 2025

Average annual daytime high
28.2°C
Warmest month · February
31.5°C
Typical daytime high
Coldest month · July
14.1°C
Typical overnight low

Petropolis has an average annual daytime high of 28.2°C, based on the 1951 to 1980 baseline. Its warmest month is February, when highs typically reach 31.5°C, and its coldest is July, with overnight lows near 14.1°C.

Month by month averages

MonthAvg highAvg low
January31.2°C21.2°C
February31.5°C21.4°CWarmest
March30.6°C20.8°C
April28.2°C18.6°C
May26.6°C16.4°C
June25.6°C14.7°C
July25.3°C14.1°CColdest
August26.5°C15.0°C
September27.0°C16.6°C
October27.6°C18.1°C
November28.4°C19.2°C
December29.7°C20.3°C

Temperature range across the year

12°17°23°28°33°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2023
+2.2°C vs. 1951–1980
Coldest year on record
1874
-2.1°C vs. 1951–1980

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

Is Petropolis getting hotter?

Since 1900, Petropolis's average temperature has risen by +1.8°C. Compared to the earliest station records that begin in 1781, warming totals +1.7°C.

22.3°22.8°23.4°24.0°24.6°1951–1980 baseline190019251950197520002025

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

Best time to visit
June to July

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

FAQ

What is the average temperature in Petropolis?

Petropolis's average annual daytime high is 28.2°C, based on the 1951 to 1980 baseline period. The warmest month is February, with highs averaging 31.5°C, and the coldest is July, with lows averaging 14.1°C.

What is the warmest month in Petropolis?

February is the warmest month in Petropolis, with typical daytime highs of 31.5°C.

What is the hottest year on record for Petropolis?

2023 is the hottest year on record for Petropolis, running +2.2°C above the 1951 to 1980 baseline.

Is Petropolis getting hotter?

Yes. Since 1900, Petropolis has warmed by roughly +1.8°C.

When is the best time to visit Petropolis?

June to July 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.