Last updated: August 21, 2025
In December, Sliema, Malta experiences a mild Mediterranean climate, with maximum temperatures reaching around 20°C (69°F) and an average of 16°C (61°F). The weather cools down with a minimum temperature of 10°C (49°F), making it a comfortable month for outdoor explorations. Despite the 70% humidity, December sees approximately 58 mm (2.3 in) of precipitation over about 9 days, contributing to the lush landscapes. It's an ideal time to enjoy the unique charm of this coastal town, as winter crowds are fewer and the atmosphere is refreshingly tranquil.
In Sliema, Malta, December marks the transition into cooler winter months, with temperatures ranging from a minimum of 10°C (49°F) to a maximum of 20°C (69°F). The average sits comfortably at 16°C (61°F), making it a mild yet distinct contrast to the sweltering summer months. As the year winds down, you'll notice a gentle dip in the temperatures, especially when compared to the relatively balmy highs of August and September. Overall, December offers a refreshing climate, ideal for exploring the scenic coastline and historic sites without the summer crowds, while still enjoying pleasant outdoor experiences. Whether you're strolling along the promenade or sipping coffee at a local café, the weather is perfectly suited for a cozy yet adventurous getaway.
In Sliema, Malta, December marks a notable uptick in precipitation, averaging 58 mm (2.3 in) over 9 days of rain, providing a refreshing contrast to the dry summer months. This surge follows the previously wet November, which recorded 109 mm (4.3 in), hinting at a wetter winter pattern setting in. As the year closes, December's rainfall frequently dampens the festive spirit, but it also rejuvenates the lush coastal landscape, preparing it for the vibrant greenery of spring. With the end of the drier months of June and July, the shift is palpable, as October and November bring substantial rainfall, leading into December's moderate yet impactful precipitation. This creates a cycle of moisture that nurtures the region, highlighting the charm and allure of Malta’s winter.
In Sliema, Malta, December ushers in a slight decline in humidity, resting at 70%, mirroring the trends of the preceding months. This moderate humidity level marks the tail end of an upward trajectory that began in April, with levels peaking at 81% in June. As the year draws to a close, the humidity subtly shifts, reflecting the shift towards cooler winter months while still holding on to a comforting maritime feel. Overall, the pattern showcases a characteristic cycle where humidity rises during the warmer months, dips at the year’s end, but remains balanced enough to keep Sliema vibrant and inviting.
In Sliema, Malta, December brings a UV Index of 3, categorizing it as a moderate exposure month. This indicates a gradual decline in UV intensity compared to the peak of the summer months, where values soared to an extreme 11 in July. As we transition from November's mild UV Index of 4, December maintains a similar burn time of 30 minutes, allowing sun-seekers to enjoy the outdoors with relative safety. It's a time when sun protection remains essential, but the risk is notably lower, echoing a broader trend of decreasing UV levels as winter approaches. For more detailed information, visit Sliema UV Index.
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In Sliema, Malta, December shines with a wholesome 274 hours of sunlight, offering a delightful finish to the year. This month is a gentle prelude to the bright days of spring, with daylight gradually decreasing after the summer peak of 413 hours in July. The trend showcases a gradual transition towards winter, yet December’s sunshine is comfortably vibrant, outpacing November’s 273 hours. The consistent brightness of Sliema throughout the colder months allows residents and visitors alike to embrace the mild temperatures and picturesque coastal views, ensuring that even as the year draws to a close, the allure of sunshine remains ever-present.
In Sliema, Malta, December offers a 60% chance of sunny weather, a slight increase compared to the gloomier months of November and October, which see probabilities drop to 49% and 51%, respectively. This trend hints at a promising shift as the year winds down, with December stepping up from the fall months. Comparatively, March through May deliver even more sunshine, ranging from 70% to 74%, while the peak summer months soar with a dazzling 98% in July and 97% in August. Overall, December proves to be a month where sunny spells provide a refreshing contrast to Malta's chillier winter days, making it an enjoyable time for both locals and visitors alike.
In Sliema, Malta, the daylight duration exhibits a clear seasonal rhythm throughout the year. Beginning with a consistent 10 hours in both January and February, daylight begins to extend in March, reaching 11 hours as spring approaches. The increase continues, peaking at 14 hours during the summer months of May to July, when the sun graces the island with its brightest days. As summer fades into autumn, daylight gradually diminishes, dropping to 12 hours in September and further declining to 10 hours by November. December witnesses the shortest daylight duration of the year at just 9 hours, signaling the onset of winter and contrasting sharply with the sun-soaked summer days, showcasing the enchanting rhythm of Malta's seasonal light.
As December sweeps into Sliema, Malta, the wind begins to pick up, offering a refreshing change from the calms of the summer months. With an average wind speed of 8.1 m/s (18 mph), December marks a notable increase compared to the lighter breezes of late summer, which hovered around 4.0 to 4.2 m/s. This invigorating gust can be felt as the city transitions from the mild autumn winds of November to the brisker conditions of winter. Interestingly, this month's wind patterns also mirror the stronger currents of January at 8.5 m/s, suggesting a seasonal trend where the winds grow bolder heading into the New Year. The sharp contrast from the earlier months underscores how December stands as a pivotal point in Malta’s coastal climate, inviting all to embrace the energizing spirit of the island.
Weather in Sliema varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sliema, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between December and January, both months exhibit mild temperatures, though January tends to be slightly cooler. In December, the minimum temperature reaches around 10°C (49°F), with an average of 16°C (61°F) and a maximum of 20°C (69°F). In contrast, January has a minimum of 8°C (47°F) and an average of 14°C (58°F), climbing to a maximum of 21°C (71°F). Notably, January experiences less precipitation, with 41 mm (1.6 in) compared to December's 58 mm (2.3 in), despite both months having rain on approximately 9 days. Humidity levels remain similar, averaging 70% in December and slightly higher at 71% in January. For more detailed insights into January's weather, you can visit Sliema weather in January.
In comparing the weather between December and February, both months experience mild temperatures, but December is slightly warmer overall. In December, the minimum temperature reaches 10°C (49°F) with an average of 16°C (61°F) and a maximum of 20°C (69°F), while February sees a decrease in minimum and average temperatures, with a low of 8°C (46°F) and an average of 14°C (58°F). Additionally, December typically receives more precipitation, averaging 58 mm (2.3 in) over 9 days, compared to February's 45 mm (1.8 in) over 6 days. Humidity remains consistent at 70% for both months, providing a similarly damp environment. For a more detailed look at February weather conditions, you can check out Sliema weather in February.
December and March share similar temperature ranges, with minimums around 10°C (49°F) and maximums reaching 20°C (69°F). However, December typically experiences slightly warmer average temperatures of 16°C (61°F) compared to March's average of 15°C (58°F). In terms of precipitation, December is wetter, with 58 mm (2.3 in) over 9 days, while March sees less rainfall at 36 mm (1.4 in) over 6 days. Humidity levels are also a bit higher in March at 73%, compared to 70% in December. For more details on March weather, you can check Sliema weather in March.
December and April exhibit notable differences in weather patterns. In December, the temperatures range from a minimum of 10°C (49°F) to a maximum of 20°C (69°F), with an average of 16°C (61°F). The month also sees more precipitation, totaling 58 mm (2.3 in) over about 9 days, contributing to a humidity level of 70%. In contrast, April experiences slightly warmer temperatures, with a minimum of 12°C (54°F) and a maximum of 19°C (67°F), yet maintains the same average temperature of 16°C (61°F). This month is much drier, receiving only 9 mm (0.4 in) of precipitation over just 3 days, while humidity rises to 78%. For a detailed look at April weather in Sliema, you can check Sliema weather in April.
In December, the weather is generally mild with temperatures ranging from a minimum of 10°C (49°F) to a maximum of 20°C (69°F), averaging around 16°C (61°F). This month sees moderate precipitation at 58 mm (2.3 in) across roughly 9 days, accompanied by a humidity level of 70%. In contrast, May offers warmer conditions, with temperatures starting at a minimum of 15°C (59°F) and peaking at 23°C (74°F), averaging 19°C (66°F). Rainfall is significantly lower in May, only 6 mm (0.2 in) over 2 days, despite having a slightly higher humidity of 80%. For more details on the weather during this month, you can check Sliema weather in May.
In December, the weather is relatively mild, with temperatures ranging from a minimum of 10°C (49°F) to a maximum of 20°C (69°F) and an average of 16°C (61°F). This month experiences about 58 mm (2.3 in) of precipitation over nine days, along with a humidity level of 70%. In stark contrast, June boasts warmer temperatures, with a minimum of 18°C (64°F) and a peak of 29°C (84°F), averaging around 23°C (73°F). Notably, June sees significantly less rain, with only 3 mm (0.1 in) and no rainy days, although humidity is higher at 81%. For a more detailed look at June weather, check out Sliema weather in June.
December and July present stark contrasts in weather. In December, temperatures range from a mild minimum of 10°C (49°F) to a comfortable average of 16°C (61°F), peaking at 20°C (69°F). The month experiences a fair amount of precipitation, with 58 mm (2.3 in) falling over 9 days, alongside a humidity level of 70%. In contrast, July is significantly warmer, with temperatures varying from a minimum of 21°C (71°F) to an average of 26°C (78°F) and a maximum reaching 29°C (85°F). Notably, July is dry, with no recorded precipitation and a higher humidity of 78%. For more details on the July climate, you can visit Sliema weather in July.
When comparing the weather in December and August, the differences are quite striking. December experiences cooler temperatures, with a minimum of 10°C (49°F) and an average of 16°C (61°F), peaking at a maximum of 20°C (69°F). It also sees more rain, with about 58 mm (2.3 in) of precipitation over 9 days and a humidity level of 70%. In contrast, August boasts much warmer weather, with temperatures ranging from a minimum of 23°C (74°F) to an average of 27°C (81°F) and a high of 31°C (88°F). The summer month is remarkably dry, receiving only 4 mm (0.1 in) of precipitation and not experiencing any rainy days, although humidity is slightly higher at 77%. For more information about the warm summer weather, you can visit Sliema weather in August.
In December, the weather takes on a cooler demeanor, with temperatures ranging from a minimum of 10°C (49°F) to a maximum of 20°C (69°F) and an average of 16°C (61°F). The month experiences more precipitation, totaling 58 mm (2.3 in) over about 9 days, accompanied by a humidity level of 70%. In contrast, September boasts much warmer temperatures, with a minimum of 20°C (69°F) and an average high of 28°C (83°F). Precipitation is lower at 25 mm (1.0 in) and occurs over just 5 days, while humidity is slightly higher at 77%. This makes September a significantly warmer and drier month compared to the cooler and wetter December. For more insights, check out Sliema weather in September.
When comparing the weather in December to that of October, we observe a notable shift in temperature and precipitation patterns. December experiences milder temperatures, with a minimum of 10°C (49°F) and an average of 16°C (61°F), significantly cooler than October's minimum of 17°C (63°F) and an average of 22°C (72°F). Additionally, December sees a decrease in maximum temperatures, peaking at 20°C (69°F) compared to 29°C (85°F) in October.
Precipitation also varies between the two months; December has 58 mm (2.3 in) of rainfall over 9 days, while October is wetter, receiving 111 mm (4.4 in) over the same number of days. Humidity levels are quite similar, with December at 70% and October slightly higher at 73%. For more details on October's weather, you can check Sliema weather in October.
In comparing the weather of December and November, December tends to be cooler, with minimum temperatures averaging around 10°C (49°F) compared to November's mild 13°C (56°F). While both months experience moderate rainfall, December sees less precipitation at 58 mm (2.3 in) over 9 days, in contrast to November's heavier 109 mm (4.3 in) spread across 13 days. Humidity levels remain similar, with December at 70% and November slightly higher at 71%. Overall, while December welcomes the start of winter with cooler temperatures, November offers warmer days before the colder months set in. For more details about the weather during November, check out Sliema weather in November.
As December unfolds in Sliema, the weather brings a refreshing change compared to the preceding months. With mild temperatures averaging around 16°C and occasional dips to a cool 10°C, it’s a delightful transition from the warmer autumn days. Rainfall becomes more noticeable with about nine rainy days throughout the month, contributing to an overall moisture-laden atmosphere marked by a humidity level of 70%. This makes for a cozy environment perfect for enjoying the festive season. For a deeper insight into Sliema's weather patterns, be sure to explore Sliema Climate.