St Julian’s, Malta weather in December
Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Poor
Best time to visit: June – September
What is the weather like in St Julian’s, Malta in December?
In December, St Julian’s, Malta is mild: daytime highs average 17 °C, and nights cool down to about 14 °C. The sea averages 18.3 °C – bracing, so a wetsuit helps for longer swims. Expect around 5 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 65 mm in total. It is often windy, with gusts of around 35 km/h. All in all, December is not an ideal month for a holiday in St Julian’s, Malta.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 42 | 24 | 21 |
| Day | 20° | 17° | 15° |
| Night | 17° | 14° | 12° |
| Sea | 22° | 18° | 16° |
| Sun | 5 h | 5 h | 6 h |
| Rain days | 10 | 10 | 10 |
More details for December
- Daylight
- 9 h 45 min07:05 – 16:49
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 35 km/haverage daily peak
- Cloud cover
- 47 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+1Europe/Malta
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %19 %
- Sunshineweight 20 %37 %
- Few rainy daysweight 20 %60 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in December
- A jumper for the evenings
- Rain jacket or umbrella
- Windproof jacket
St Julian’s, Malta in December: quick answers
Is St Julian’s, Malta hot in December?
No. In December, St Julian’s, Malta is mild: daytime highs average 17 °C and nights drop to about 14 °C.
Can you swim in St Julian’s, Malta in December?
Only if you don't mind cold water: in December the sea averages just 18.3 °C. Comfortable swimming is possible from June to November.
Does it rain much in St Julian’s, Malta in December?
Rain is frequent, with about 10 rainy days and 65 mm in total.
St Julian’s, Malta month by month
The whole year in St Julian’s, MaltaAll destinations: MaltaWhere to go in DecemberSea temperature in December
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)