ClimateAverages

Castelldefels Climate

Catalonia, Spain · population 62,080 · 277 weather stations within 200 km · records 1750 to 2025

Average annual daytime high
19.0°C
Warmest month · July
27.4°C
Typical daytime high
Coldest month · January
2.8°C
Typical overnight low

Castelldefels has an average annual daytime high of 19.0°C, based on the 1951 to 1980 baseline. Its warmest month is July, when highs typically reach 27.4°C, and its coldest is January, with overnight lows near 2.8°C.

Month by month averages

MonthAvg highAvg low
January11.5°C2.8°CColdest
February12.9°C3.6°C
March14.9°C5.6°C
April17.0°C7.5°C
May20.8°C11.0°C
June24.4°C14.6°C
July27.4°C17.4°CWarmest
August27.2°C17.8°C
September24.5°C15.6°C
October19.9°C11.3°C
November15.3°C6.6°C
December12.1°C3.8°C

Temperature range across the year

1°8°15°22°29°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2023
+2.4°C vs. 1951–1980
Coldest year on record
1809
-1.4°C vs. 1951–1980

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

Is Castelldefels getting hotter?

Since 1900, Castelldefels's average temperature has risen by +2.4°C. Compared to the earliest station records that begin in 1750, warming totals +2.8°C.

14.1°14.8°15.5°16.2°17.0°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 Castelldefels?

Castelldefels's average annual daytime high is 19.0°C, based on the 1951 to 1980 baseline period. The warmest month is July, with highs averaging 27.4°C, and the coldest is January, with lows averaging 2.8°C.

What is the warmest month in Castelldefels?

July is the warmest month in Castelldefels, with typical daytime highs of 27.4°C.

What is the hottest year on record for Castelldefels?

2023 is the hottest year on record for Castelldefels, running +2.4°C above the 1951 to 1980 baseline.

Is Castelldefels getting hotter?

Yes. Since 1900, Castelldefels has warmed by roughly +2.4°C.

When is the best time to visit Castelldefels?

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.