City break

Gibraltar weather in December

Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.

63

Holiday weather in December

Good

Best time to visit: April – September

What is the weather like in Gibraltar in December?

In December, Gibraltar is cool: daytime highs average 16 °C, and nights cool down to about 11 °C. The sea averages 16.6 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 121 mm in total. All in all, December is a good month for a holiday in Gibraltar.

December compared

How the weather changes from November to January. Tap a month to open it.

NovemberNovDecemberDecJanuaryJan
Score796363
Day18°16°15°
Night13°11°10°
Sea18°17°16°
Sun6 h5 h6 h
Rain days91010

More details for December

Daylight
9 h 43 min08:25 – 18:08
UV index
2 · lowclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
22 km/haverage daily peakAll months
Cloud cover
53 %on averageAll months
Hot days
0 days30 °C or moreAll months
Time zone
UTC+1Europe/Gibraltar

How the score comes together

  • Temperatureweight 50 %77 %
  • Sunshineweight 20 %35 %
  • Few rainy daysweight 30 %57 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in December

  • A jumper for the evenings
  • Rain jacket or umbrella

Gibraltar in December: quick answers

Is Gibraltar hot in December?

No. In December, Gibraltar is cool: daytime highs average 16 °C and nights drop to about 11 °C.

Can you swim in Gibraltar in December?

Only if you don't mind cold water: in December the sea averages just 16.6 °C. Comfortable swimming is possible from July to September.

Does it rain much in Gibraltar in December?

Rain is frequent, with about 10 rainy days and 121 mm in total.

Gibraltar month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences