December Weather in Mellieha, Malta

Last updated: August 21, 2025

December in Mellieha, Malta offers a mild winter experience, with maximum temperatures reaching 21°C (69°F) and an average of 16°C (61°F). Travelers can expect cooler nights, as temperatures dip to a minimum of 9°C (49°F). Although the month sees some rainfall, with a total precipitation of 61 mm (2.4 in) spread over 9 days, humidity levels hover around 70%, enhancing the brisk coastal air. This blend of mild temperatures and occasional showers creates a unique charm, making December a delightful time to explore Mellieha's scenic beauty and rich history.

December Temperature in Mellieha

In Mellieha, Malta, December heralds the arrival of cooler temperatures, yet remains mild compared to many other European destinations. With average highs around 21°C (69°F) and nighttime lows dipping to 9°C (49°F), the weather is both crisp and refreshing. This month marks a gradual transition from the warmth of autumn, as temperatures shift downwards but still maintain a pleasant feel. The average temperature settles at 16°C (61°F), making December a comfortable time for exploring the stunning coastal landscapes and historical sites without the summer crowds. As winter approaches, Mellieha showcases its charm with mild weather that invites travelers to enjoy the beauty of the season.

December Weather in Mellieha: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Mellieha, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mellieha, December typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec575858616673788178726761
Data source: Temperature data for Mellieha generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Mellieha

December in Mellieha, Malta, brings a notable uptick in precipitation, with 61 mm (2.4 in) of rain spread over 9 days. This marks a contrast from the drier summer months, where July and August recorded minimal rainfall. As autumn transitions into winter, December stands out with a significant increase compared to the driest months, yet it still falls short of the deluge seen in October and November. Those months show a remarkable average of 111 mm (4.4 in) and 120 mm (4.7 in), respectively, hinting at a seasonal pattern where late autumn often delivers the heaviest downpours. Overall, December's rainfall contributes to Malta's lush winter landscape, paving the way for a refreshing start to the new year.

December Precipitation Trends in Mellieha

The chart displays monthly precipitation patterns in Mellieha, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Mellieha, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec404134962132711112061
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Mellieha

In Mellieha, Malta, December marks the conclusion of a year where humidity gradually shifts. Starting the year at a higher 71% in January, the levels show a slight decline, reaching a consistent 70% by December. The spring months see a gradual rise, peaking at 80% in May, before sustaining a high near 81% in June. As summer transitions to autumn, humidity dips gently, but remains relatively stable around the 77% mark from August through September. Overall, December encapsulates this year-long trend of decreasing humidity towards winter, providing a comfortable climate that complements the festive spirit of the season.

December Average Humidity in Mellieha

This chart illustrates the average monthly humidity levels in Mellieha, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Mellieha is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%70%73%78%81%81%78%77%77%73%71%70%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Mellieha

In December, Mellieha, Malta experiences a UV Index of 3, categorized as moderate, which means the risk of harm from unprotected sun exposure is relatively low. As temperatures begin to cool and the days shorten, this reflects a continuation of the downward trend in UV levels from the peak summer months. The burn time remains approximately 30 minutes, similar to January and February, suggesting that while sun exposure is still manageable, protective measures like sunscreen or clothing are advisable for extended outdoor activities. This lesser intensity marks a significant shift from the extreme levels observed in July, where the UV Index soared to 11. For insightful details and to plan your sun safety, check out the Mellieha UV Index.

Maximum UV Index Levels in Mellieha for December

The chart shows the monthly maximum UV Index (UVI) for Mellieha in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Mellieha typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357991011108743
Data source: Mellieha December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

December Sunshine in Mellieha

As the year winds down, Mellieha, Malta, bathes in a gentle glow with an average of 274 hours of sunshine in December. While this marks a slight dip from November's 273 hours, the warmth of the Mediterranean sun remains inviting. Notably, December still enjoys a generous amount of sunlight compared to the colder months, positioning it nicely within the annual trend. From the 223 hours in January to the sun-drenched peaks of 413 hours in July, the region experiences a progressive ascent towards summer before tapering off into the milder winter. This persistence of sunshine throughout the seasons makes December in Mellieha an enchanting winter escape, where even the twilight hours are graced with the lingering glow of the sun.

Monthly Sunshine Duration in Mellieha: December Highlighted

The December sunshine duration represents the total number of hours Mellieha experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec223h279h339h353h394h397h413h392h340h318h273h274h
Data source: Mellieha December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Mellieha During December

In Mellieha, Malta, December offers a 59% chance of sunshine, representing a delightful shift from the dimmer months preceding it. While November sees the likelihood of clear skies dip to 49%, December is then kissed by the potential for sun, suggesting a mild transition toward winter. This month stands as a bridge between the fading autumn and the vibrant sun-soaked summer months, where July and August bask in nearly complete sunshine at 98% and 97%, respectively. As winter approaches, the sunny days do not disappear entirely; instead, they build on the promise of a sunnier January ahead, which starts at 53%. Thus, despite the chill, December in Mellieha may still brighten your day with a pleasant sprinkle of sunshine.

Percentage of Sunny Days in December in Mellieha

The chart illustrates the percentage of sunny days in Mellieha throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Mellieha experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec53%75%70%52%71%78%98%97%75%51%49%59%
Data source: Mellieha December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Mellieha in December

In Mellieha, Malta, daylight duration undergoes a captivating transformation throughout the year. Starting at a solid 10 hours in January and February, the days gradually lengthen as spring approaches, peaking at an impressive 14 hours during the vibrant summer months of May through July. As August rolls in, the daylight begins to recede, transitioning to 13 hours before further shortening to 12 hours in September. Autumn brings a more pronounced decrease, with October and November settling back to 11 and 10 hours, respectively. By December, the daylight dwindles to 9 hours, as the island embraces winter’s embrace, highlighting a striking cyclical pattern of longer days in summer and shorter ones in winter. This rhythmic dance of daylight not only shapes the island's climate but also enhances the charm of Mellieha throughout the seasons.

Average Daylight Hours in Mellieha for December

The chart illustrates the variation in daylight duration in Mellieha throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h10h 52m11h 58m13h 7m14h 4m14h 33m14h 18m13h 27m12h 21m11h 13m10h 14m9h 44m
Data source: Mellieha daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Mellieha

As December rolls into Mellieha, Malta, the island welcomes a refreshing shift in its winds. With an average wind speed of 8.4 m/s (19 mph), December stands out as one of the more blustery months, echoing the gusty conditions typical of the winter season. This slight uptick in wind speed, following a gradual decrease throughout the summer months, offers a stark contrast to the calm of mid-year, where wind speeds hovered around 4.1 to 4.2 m/s (9 mph). As the year draws to a close, the return of stronger winds serves not only as a reminder of the seasonal transition but also brings life to the coastal landscapes, making December a vibrant time to experience the beauty of Malta’s natural elements.

Average December Wind Speed in Mellieha

The chart displays monthly wind speed patterns in Mellieha, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec8.66.56.86.65.14.14.24.24.96.76.18.4 m/s
Data source: Mellieha December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Mellieha Compares to Other Months

Weather in Mellieha varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Mellieha, focusing on differences in temperature, rainfall, humidity, and UV levels.

December and January in Mellieha exhibit mild and relatively similar weather patterns, though there are some notable differences. In December, temperatures range from a minimum of 9°C (49°F) to a maximum of 21°C (69°F), with an average of 16°C (61°F). The month sees approximately 61 mm (2.4 in) of precipitation over 9 days, accompanied by humidity levels around 70%. In contrast, January brings slightly cooler weather, with temperatures dipping to a minimum of 8°C (47°F) and averaging 14°C (58°F), while still reaching up to 22°C (71°F) at its warmest. Rainfall decreases significantly to 40 mm (1.6 in), also spread over 9 days, and humidity remains similar at 71%. For more details on January's weather, you can visit Mellieha weather in January.

In comparing the weather between December and February, December tends to be slightly warmer, with average temperatures peaking at 16°C (61°F) compared to February's 14°C (58°F). December also sees higher maximum temperatures of 21°C (69°F) versus February's 19°C (67°F). Precipitation is more abundant in December, totaling 61 mm (2.4 in) over 9 days, whereas February experiences less rainfall at 41 mm (1.6 in) across 6 days. Both months maintain a consistent humidity level of 70%. For more detailed insights about February weather in Mellieha, you can visit Mellieha weather in February.

December and March display relatively mild weather patterns, though some differences are notable. In December, temperatures range from a minimum of 9°C (49°F) to a maximum of 21°C (69°F), with an average of 16°C (61°F). This month experiences higher precipitation, totaling 61 mm (2.4 inches) over about 9 days, coupled with a humidity level of 70%. In contrast, March offers slightly cooler conditions, with temperatures varying from a minimum of 10°C (51°F) to a maximum of 20°C (69°F) and an average of 15°C (58°F). Precipitation decreases to 34 mm (1.3 inches) across around 6 days, and humidity rises slightly to 73%. This indicates that while both months are characterized by mild weather, March tends to be drier yet slightly more humid compared to December. For more details, you can check Mellieha weather in March.

In December, temperatures in Mellieha range from a minimum of 9°C (49°F) to a comfortable average of 16°C (61°F), peaking at 21°C (69°F). The month sees a fair amount of rainfall, with precipitation totals reaching 61 mm (2.4 in) over approximately 9 days. The humidity level is around 70%, contributing to a cooler feel.

In contrast, April experiences slightly warmer temperatures, with lows of 12°C (54°F) and an average remaining steady at 16°C (61°F). However, the maximum temperature is a bit lower than in December, reaching 19°C (67°F). April is notably drier, with only 9 mm (0.3 in) of rainfall spread over just 2 days, and higher humidity at 78%. For a detailed look at April's weather, visit Mellieha weather in April.

December and May present quite contrasting weather conditions. In December, temperatures range from a minimum of 9°C (49°F) to a maximum of 21°C (69°F), with an average of 16°C (61°F) and notable precipitation of 61 mm (2.4 in) occurring over 9 days. The humidity level stands at 70%, contributing to a cooler and wetter atmosphere. In contrast, May enjoys a milder climate with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 24°C (75°F), averaging around 19°C (66°F). Precipitation in May is minimal at just 6 mm (0.2 in) over 2 days, and the humidity increases slightly to 80%. This makes May a much drier and warmer month compared to December, perfect for outdoor activities. For more detailed information, you can refer to Mellieha weather in May.

In December, temperatures in Mellieha range from a mild 9°C (49°F) at night to a comfortable average of 16°C (61°F) during the day, peaking at 21°C (69°F). This month experiences a moderate amount of precipitation, with around 61 mm (2.4 in) spread over 9 days, and a humidity level of 70%. In contrast, June brings significantly warmer weather, with minimum temperatures starting at 18°C (64°F) and averaging 23°C (73°F), reaching highs of 29°C (84°F). Remarkably, June sees only 2 mm (0.1 in) of rain over the entire month, making it much drier than December, though humidity is slightly higher at 81%. For more details on June’s weather, visit Mellieha weather in June.

Comparing the weather between December and July reveals a stark contrast in temperature and precipitation. In December, temperatures range from a mild 9°C (49°F) to a comfortable 21°C (69°F), accompanied by an average humidity of 70% and about 61 mm (2.4 in) of rainfall spread over 9 days. In contrast, July boasts much warmer temperatures, with a minimum of 21°C (70°F) and a maximum of 29°C (85°F), and notably, no precipitation at all, leading to dry conditions throughout the month. The humidity in July is higher at 78%, making it feel warmer compared to December. For more detailed information, you can check Mellieha weather in July.

December and August present starkly contrasting weather conditions. In December, temperatures range from a mild minimum of 9°C (49°F) to a comfortable average of 16°C (61°F), with a maximum of 21°C (69°F). This month experiences about 61 mm (2.4 in) of precipitation over nine days, coupled with a humidity level of 70%. In contrast, August boasts significantly warmer temperatures, with a minimum of 23°C (74°F), an average of 27°C (81°F), and a maximum reaching 31°C (87°F). Notably, August is much drier, receiving only 3 mm (0.1 in) of rain over zero days, and has a slightly higher humidity of 77%. For more details on the weather during this month, check out Mellieha weather in August.

December and September present contrasting weather conditions. In September, temperatures are notably warmer, with minimums around 21°C (69°F) and averages reaching 25°C (78°F), peaking at 28°C (83°F). Conversely, December is cooler, with temperatures ranging from a minimum of 9°C (49°F) to an average of 16°C (61°F), maxing out at 21°C (69°F). Additionally, September experiences less rainfall, totaling 27 mm (1.1 in) over just 4 days, while December sees more precipitation at 61 mm (2.4 in) spread across 9 days. Humidity in September is slightly higher at 77%, compared to 70% in December. For more insights into September's weather, you can check out Mellieha weather in September.

When comparing the weather in December to that of October, there are notable differences in temperature and precipitation. December tends to be cooler, with average temperatures ranging from a minimum of 9°C (49°F) to a maximum of 21°C (69°F), while October boasts warmer conditions, with averages from a minimum of 17°C (63°F) to a maximum of 29°C (85°F). Additionally, October experiences higher precipitation levels at 111 mm (4.4 in) compared to December's 61 mm (2.4 in), although both months see rainfall on about 9 days. Humidity is relatively similar, with December slightly lower at 70% compared to October's 73%. For more detailed insights into October's weather specifics, you can refer to Mellieha weather in October.

In comparing the weather between November and December, it's evident that December experiences cooler temperatures, with average highs of 21°C (69°F) compared to November's warmer 25°C (77°F). The minimum temperatures also decline in December, dropping to 9°C (49°F) from November's 13°C (56°F). Additionally, December has fewer rainy days, with 61 mm (2.4 in) of precipitation over 9 days, contrasted with November's higher rainfall of 120 mm (4.7 in) over 13 days. Humidity remains relatively stable, averaging around 70% in December and 71% in November. For more details, you can check Mellieha weather in November.

Compare Mellieha's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Mellieha

As Mellieha transitions into December, the weather presents a refreshing change from the previous months. With milder temperatures that average around 16°C, the month offers a comfortable escape from the summer heat, though cooler nights can dip to around 9°C. While rainfall is more frequent with nine days of precipitation, the overall ambiance remains pleasant, with humidity levels hovering around 70%. This blend of mildness and moisture makes December a unique time to explore Mellieha's winter charm, setting it apart from the high temperatures of the summer months. For a closer look at how these conditions develop over the year, check out the detailed insights on Mellieha Climate.