Weather in Sliema for December 2025
In general, the average temperature in Sliema at the beginning of December is 18.6 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 17 °C by the end of December.
Sliema in December brings notable rainfall, with an average of 16 rainy days and a total precipitation of 51.1 mm.
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Sliema Weather December
Temperatures trend during December in Sliema
December weather in Sliema day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Overcast | 19° /17° | 0 mm | 5 | |
| 2 Dec. | Overcast | 20° /16° | 0 mm | 5 | |
| 3 Dec. | Overcast | 18° /15° | 1.7 mm | 4 | |
| 4 Dec. |  Patchy rain possible | 18° /15° | 5.3 mm | 4 | |
| 5 Dec. | Light rain shower | 19° /15° | 5 mm | 5 | |
| 6 Dec. | Overcast | 18° /16° | 1.7 mm | 4 | |
| 7 Dec. | Light rain shower | 18° /15° | 2.7 mm | 4 | |
| 8 Dec. | Patchy rain possible | 18° /15° | 2.8 mm | 4 | |
| 9 Dec. | Light rain shower | 17° /14° | 6.8 mm | 4 | |
| 10 Dec. | Patchy rain possible | 18° /15° | 0.4 mm | 5 | |
| 11 Dec. |  Sunny | 18° /16° | 0 mm | 5 | |
| 12 Dec. | Overcast | 19° /17° | 0.1 mm | 5 | |
| 13 Dec. | Overcast | 20° /18° | 0.2 mm | 5 | |
| 14 Dec. | Patchy rain possible | 20° /16° | 0.2 mm | 5 | |
| 15 Dec. | Light rain shower | 17° /14° | 2.4 mm | 4 | |
| 16 Dec. | Light rain shower | 16° /14° | 5.3 mm | 4 | |
| 17 Dec. | Light rain shower | 17° /14° | 3.1 mm | 5 | |
| 18 Dec. | Light rain shower | 17° /15° | 1.4 mm | 5 | |
| 19 Dec. | Patchy rain possible | 17° /15° | 0.3 mm | 5 | |
| 20 Dec. | Light rain shower | 18° /14° | 6.3 mm | 4 | |
| 21 Dec. | Light rain shower | 16° /14° | 1 mm | 4 | |
| 22 Dec. | Patchy rain possible | 17° /14° | 0.9 mm | 4 | |
| 23 Dec. |  Cloudy | 17° /14° | 1 mm | 4 | |
| 24 Dec. |  Partly cloudy | 17° /14° | 1.2 mm | 4 | |
| 25 Dec. | Sunny | 17° /14° | 0.9 mm | 5 | |
| 26 Dec. | Sunny | 17° /14° | 0.2 mm | 4 | |
| 27 Dec. | Patchy rain possible | 17° /15° | 0 mm | 4 | |
| 28 Dec. | Sunny | 17° /15° | 0.2 mm | 4 | |
| 29 Dec. | Overcast | 17° /14° | 0.1 mm | 4 | |
| 30 Dec. | Patchy rain possible | 17° /15° | 0 mm | 4 | |
| 31 Dec. | Sunny | 17° /15° | 0.1 mm | 5 | |
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Sliema weather in December vs November vs January
| November | December | January | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 21°/19° | 17°/15° | 16°/14° |
| Rainfall | 71 mm | 51 mm | 67 mm |
| Wind | 29.5 km/h | 34.1 km/h | 32.2 km/h |
| Humidity | 65% | 67% | 69% |
| Rainy days | 12 days | 16 days | 18 days |
| Dry days | 18 days | 15 days | 13 days |
Planning a trip to Sliema? Discover the best time to visit
Sliema in December - FAQ
What to pack to Sliema in December?
As you prepare for your trip to Sliema in December, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Sliema, during December, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Umbrellas/Raincoats: For rainy days
December rainfall patterns in Sliema
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