Sant Joan Despí Weather in December
Average highs run from 15°C on December 1 to 15°C on December 31, and lows from 7°C to 6°C. Normal precipitation for the month is 38 mm over about 6 wet days.
December day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
December at a glance
- Average high
- 15°C
- Average low
- 6°C
- Precipitation
- 38 mm
- Record high
- 27°CDec 31, 1925
- Record low
- -8°CDec 27, 1962
- Daylight
- 9 h 25 min to 9 h 14 min
- Cloud cover
- 65%
- Humidity
- 77%
- Dew point
- 4°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 |
|---|---|---|---|---|---|
| Dec 1 | 15°C | 7°C | 20°C 1948 | 0°C 1978 | 21% |
| Dec 2 | 15°C | 7°C | 21°C 2024 | -1°C 1980 | 22% |
| Dec 3 | 15°C | 7°C | 25°C 1926 | -1°C 1973 | 21% |
| Dec 4 | 16°C | 8°C | 22°C 1926 | 0°C 1980 | 21% |
| Dec 5 | 15°C | 7°C | 22°C 1926 | 0°C 1980 | 20% |
| Dec 6 | 15°C | 7°C | 22°C 1926 | 0°C 1966 | 20% |
| Dec 7 | 15°C | 7°C | 21°C 2024 | 1°C 1952 | 19% |
| Dec 8 | 15°C | 7°C | 22°C 1926 | 1°C 1988 | 20% |
| Dec 9 | 15°C | 7°C | 24°C 1978 | -1°C 1980 | 20% |
| Dec 10 | 15°C | 7°C | 25°C 1926 | -1°C 1945 | 19% |
| Dec 11 | 15°C | 6°C | 21°C 1979 | -1°C 1980 | 18% |
| Dec 12 | 15°C | 6°C | 23°C 1926 | -2°C 1949 | 18% |
| Dec 13 | 15°C | 6°C | 23°C 1926 | -2°C 1949 | 17% |
| Dec 14 | 14°C | 6°C | 21°C 1981 | -1°C 2007 | 18% |
| Dec 15 | 14°C | 6°C | 21°C 1926 | -3°C 1963 | 18% |
| Dec 16 | 14°C | 6°C | 26°C 1926 | -3°C 1963 | 18% |
| Dec 17 | 14°C | 6°C | 25°C 1926 | -4°C 1963 | 18% |
| Dec 18 | 14°C | 6°C | 21°C 1926 | -2°C 1963 | 18% |
| Dec 19 | 14°C | 6°C | 23°C 1926 | -2°C 2009 | 18% |
| Dec 20 | 14°C | 6°C | 25°C 1926 | -3°C 2009 | 18% |
| Dec 21 | 14°C | 6°C | 25°C 1926 | -1°C 2001 | 18% |
| Dec 22 | 15°C | 6°C | 20°C 2018 | -2°C 2001 | 17% |
| Dec 23 | 14°C | 6°C | 21°C 2022 | -3°C 1938 | 16% |
| Dec 24 | 15°C | 6°C | 21°C 2002 | -2°C 1938 | 16% |
| Dec 25 | 14°C | 6°C | 22°C 1925 | -4°C 1962 | 15% |
| Dec 26 | 14°C | 5°C | 26°C 1925 | -6°C 1962 | 15% |
| Dec 27 | 14°C | 5°C | 24°C 1925 | -8°C 1962 | 14% |
| Dec 28 | 14°C | 5°C | 21°C 2021 | -2°C 1962 | 14% |
| Dec 29 | 14°C | 4°C | 25°C 1925 | -1°C 2005 | 13% |
| Dec 30 | 14°C | 5°C | 23°C 1926 | -1°C 1992 | 14% |
| Dec 31 | 15°C | 6°C | 27°C 1925 | -2°C 1953 | 14% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+1).
- December 1
- sunrise 7:58 AM, sunset 5:23 PM
- December 31
- sunrise 8:18 AM, sunset 5:32 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.