ClimateAverages

Castanhal Climate

Para, Brazil · population 137,406 · 6 weather stations within 200 km · records 1911 to 2025

Average annual daytime high
31.7°C
Warmest month · November
33.5°C
Typical daytime high
Coldest month · July
21.0°C
Typical overnight low

Castanhal has an average annual daytime high of 31.7°C, based on the 1951 to 1980 baseline. Its warmest month is November, when highs typically reach 33.5°C, and its coldest is July, with overnight lows near 21.0°C.

Month by month averages

MonthAvg highAvg low
January31.3°C22.3°C
February30.4°C22.2°C
March30.4°C22.3°C
April30.6°C22.3°C
May31.1°C22.2°C
June31.3°C21.6°C
July31.3°C21.0°CColdest
August31.9°C21.2°C
September32.6°C21.6°C
October33.1°C21.8°C
November33.5°C22.2°CWarmest
December32.6°C22.4°C

Temperature range across the year

19°23°27°31°35°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2015
+1.7°C vs. 1951–1980
Coldest year on record
1916
-0.8°C vs. 1951–1980

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

Is Castanhal getting hotter?

Since 1900, Castanhal's average temperature has risen by 0.0°C.

25.8°26.3°26.9°27.4°28.0°1951–1980 baseline19251950197520002025

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

Best time to visit
any time of year

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

FAQ

What is the average temperature in Castanhal?

Castanhal's average annual daytime high is 31.7°C, based on the 1951 to 1980 baseline period. The warmest month is November, with highs averaging 33.5°C, and the coldest is July, with lows averaging 21.0°C.

What is the warmest month in Castanhal?

November is the warmest month in Castanhal, with typical daytime highs of 33.5°C.

What is the hottest year on record for Castanhal?

2015 is the hottest year on record for Castanhal, running +1.7°C above the 1951 to 1980 baseline.

Is Castanhal getting hotter?

Yes. Since 1900, Castanhal has warmed by roughly 0.0°C.

When is the best time to visit Castanhal?

any time of year 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.