Castelldefels Weather in January
Average highs run from 14°C on January 1 to 14°C on January 31, and lows from 6°C to 6°C. Normal precipitation for the month is 42 mm over about 6 wet days.
January day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
January at a glance
- Average high
- 14°C
- Average low
- 5°C
- Precipitation
- 42 mm
- Record high
- 24°CJan 21, 2018
- Record low
- -7°CJan 16, 1985
- Daylight
- 9 h 16 min to 10 h 03 min
- Cloud cover
- 65%
- Humidity
- 76%
- Dew point
- 3°C
- Wind
- 12.6 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Jan 1 | 14°C | 6°C | 19°C 1966 | -2°C 1971 | 14% |
| Jan 2 | 15°C | 6°C | 21°C 2003 | -4°C 1971 | 14% |
| Jan 3 | 14°C | 6°C | 23°C 2018 | -3°C 1971 | 14% |
| Jan 4 | 14°C | 6°C | 24°C 2018 | -3°C 1971 | 14% |
| Jan 5 | 14°C | 5°C | 20°C 1948 | -3°C 1954 | 14% |
| Jan 6 | 14°C | 5°C | 20°C 1948 | -2°C 1954 | 15% |
| Jan 7 | 14°C | 5°C | 22°C 1948 | -5°C 1985 | 16% |
| Jan 8 | 14°C | 5°C | 22°C 1948 | -6°C 1985 | 16% |
| Jan 9 | 14°C | 6°C | 22°C 1948 | -7°C 1985 | 16% |
| Jan 10 | 14°C | 6°C | 21°C 2004 | -4°C 1985 | 16% |
| Jan 11 | 14°C | 5°C | 20°C 1955 | -1°C 1985 | 17% |
| Jan 12 | 14°C | 5°C | 21°C 1955 | -2°C 1945 | 18% |
| Jan 13 | 14°C | 5°C | 22°C 2004 | -1°C 2003 | 19% |
| Jan 14 | 14°C | 5°C | 21°C 1955 | -3°C 1985 | 18% |
| Jan 15 | 13°C | 5°C | 21°C 1955 | -4°C 1985 | 19% |
| Jan 16 | 14°C | 6°C | 20°C 1949 | -7°C 1985 | 20% |
| Jan 17 | 14°C | 6°C | 21°C 1949 | -5°C 1985 | 19% |
| Jan 18 | 14°C | 5°C | 22°C 1955 | -1°C 1957 | 20% |
| Jan 19 | 14°C | 6°C | 21°C 2007 | -2°C 1978 | 20% |
| Jan 20 | 14°C | 6°C | 19°C 2005 | 0°C 1983 | 21% |
| Jan 21 | 14°C | 6°C | 24°C 2018 | 0°C 1950 | 22% |
| Jan 22 | 14°C | 6°C | 22°C 2018 | -3°C 2011 | 22% |
| Jan 23 | 15°C | 6°C | 22°C 2009 | -2°C 2011 | 22% |
| Jan 24 | 14°C | 6°C | 18°C 1959 | -3°C 2011 | 22% |
| Jan 25 | 13°C | 5°C | 20°C 1980 | -2°C 2011 | 22% |
| Jan 26 | 14°C | 5°C | 21°C 2024 | -2°C 2011 | 21% |
| Jan 27 | 14°C | 5°C | 20°C 2025 | -4°C 1947 | 21% |
| Jan 28 | 14°C | 6°C | 20°C 1975 | -3°C 1947 | 21% |
| Jan 29 | 14°C | 5°C | 21°C 2021 | -1°C 1947 | 21% |
| Jan 30 | 14°C | 6°C | 20°C 2021 | -4°C 1947 | 20% |
| Jan 31 | 14°C | 6°C | 19°C 2020 | -3°C 1947 | 18% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+1).
- January 1
- sunrise 8:18 AM, sunset 5:34 PM
- January 31
- sunrise 8:04 AM, sunset 6:07 PM
Other months
Sources
Records: NOAA GHCN-Daily, station SP000008181, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.