Portugalete Weather in December
Average highs run from 14°C on December 1 to 14°C on December 31, and lows from 7°C to 5°C. Normal precipitation for the month is 135 mm over about 16 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
- 14°C
- Average low
- 6°C
- Precipitation
- 135 mm
- Record high
- 25°CDec 31, 2021
- Record low
- -7°CDec 25, 1962
- Daylight
- 9 h 14 min to 9 h 02 min
- Cloud cover
- 78%
- Humidity
- 79%
- Dew point
- 7°C
- Wind
- 22.7 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 | 14°C | 7°C | 23°C 1985 | -1°C 1962 | 54% |
| Dec 2 | 14°C | 7°C | 23°C 1985 | -1°C 1962 | 53% |
| Dec 3 | 14°C | 7°C | 21°C 1953 | -1°C 1973 | 52% |
| Dec 4 | 15°C | 7°C | 22°C 2006 | -3°C 1962 | 50% |
| Dec 5 | 14°C | 7°C | 21°C 2015 | -1°C 1957 | 51% |
| Dec 6 | 14°C | 6°C | 23°C 2010 | -3°C 1952 | 50% |
| Dec 7 | 15°C | 6°C | 21°C 1986 | -1°C 1990 | 50% |
| Dec 8 | 15°C | 7°C | 22°C 1978 | -4°C 1980 | 48% |
| Dec 9 | 14°C | 7°C | 25°C 1978 | -3°C 1980 | 47% |
| Dec 10 | 15°C | 6°C | 24°C 1978 | -1°C 1973 | 45% |
| Dec 11 | 15°C | 6°C | 23°C 1978 | -2°C 1967 | 45% |
| Dec 12 | 15°C | 6°C | 24°C 1978 | -3°C 1967 | 44% |
| Dec 13 | 14°C | 6°C | 22°C 1981 | -2°C 2007 | 42% |
| Dec 14 | 14°C | 6°C | 23°C 1989 | -3°C 1949 | 42% |
| Dec 15 | 13°C | 5°C | 23°C 1989 | -3°C 2001 | 40% |
| Dec 16 | 14°C | 6°C | 24°C 1989 | -3°C 2010 | 39% |
| Dec 17 | 13°C | 6°C | 24°C 1987 | -4°C 1963 | 39% |
| Dec 18 | 14°C | 7°C | 23°C 2015 | -3°C 1970 | 39% |
| Dec 19 | 14°C | 7°C | 24°C 2015 | -4°C 1961 | 40% |
| Dec 20 | 14°C | 7°C | 21°C 1989 | -3°C 1961 | 41% |
| Dec 21 | 15°C | 7°C | 23°C 2019 | -4°C 1961 | 41% |
| Dec 22 | 15°C | 6°C | 23°C 2020 | -3°C 2001 | 41% |
| Dec 23 | 14°C | 6°C | 23°C 1977 | -3°C 1975 | 43% |
| Dec 24 | 14°C | 6°C | 24°C 1977 | -4°C 1962 | 44% |
| Dec 25 | 13°C | 5°C | 23°C 2019 | -7°C 1962 | 44% |
| Dec 26 | 13°C | 4°C | 21°C 2002 | -3°C 2010 | 44% |
| Dec 27 | 14°C | 5°C | 21°C 2013 | -3°C 1976 | 44% |
| Dec 28 | 14°C | 5°C | 21°C 2021 | -3°C 1996 | 44% |
| Dec 29 | 14°C | 5°C | 23°C 1983 | -4°C 1970 | 44% |
| Dec 30 | 14°C | 6°C | 25°C 2021 | -3°C 1980 | 45% |
| Dec 31 | 14°C | 5°C | 25°C 2021 | -3°C 1980 | 46% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+1).
- December 1
- sunrise 8:24 AM, sunset 5:38 PM
- December 31
- sunrise 8:44 AM, sunset 5:46 PM
Other months
Sources
Records: NOAA GHCN-Daily, station SPE00120611, 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.