May Weather in Sliema, Malta

Last updated: August 21, 2025

May in Sliema, Malta brings delightful weather that balances warmth and mildness, making it an ideal time to explore this coastal gem. With maximum temperatures reaching 23°C (74°F) and an average of 19°C (66°F), the days are comfortably warm yet pleasant. Evening coolness settles in, with minimum temperatures dipping to 15°C (59°F). The month sees a light precipitation total of just 6 mm (0.2 in) over 2 days, ensuring that rain is a rare distraction. Humidity averages around 80%, adding a touch of tropical feel without overwhelming heat. Whether you're sunbathing by the sea or wandering through the vibrant streets, May offers an inviting Mediterranean experience.

May Temperature in Sliema

As May unfolds in Sliema, Malta, temperatures begin to rise, ushering in the warmth of late spring. With a minimum of 15°C (59°F) and a pleasant average of 19°C (66°F), the days are perfect for enjoying the sunshine. The maximum temperature peaks at a delightful 23°C (74°F), encouraging both locals and visitors to venture outdoors. This month showcases a noticeable shift from the cooler spring months, making way for the balmy summer just around the corner. The gradual ascent in temperatures hints at upcoming beach days and vibrant outdoor activities, as Sliema fully embraces its Mediterranean charm.

May Weather in Sliema: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Sliema, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sliema, May 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 Sliema 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.

May Precipitation in Sliema

May marks a notable transition into the warm Maltese summer, characterized by a significant drop in precipitation. With only 6 mm (0.2 in) of rain recorded over just 2 days, it's clear that May is one of the driest months in Sliema. This is in stark contrast to the preceding months; for instance, April saw 9 mm of rain, albeit over 3 days. As rainfall dwindles, the trend indicates a shift towards a sun-soaked season, as average rainfall continues to decline into June and beyond. This shift not only enhances outdoor activities but also highlights Sliema’s appeal as a Mediterranean getaway, where balmy days replace the fleeting showers of spring.

May Precipitation Trends in Sliema

The chart displays monthly precipitation patterns in Sliema, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Sliema, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec414536963042511110958
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Sliema

As May arrives in Sliema, Malta, the humidity levels rise to 80%, signaling the onset of summer's influence. This month marks a steady increase from 78% in April, establishing May as a transitional phase with higher humidity compared to the earlier months of the year. From January's 71% to May's peak, there's a clear upward trend, peaking just before June's slight escalation to 81%. Following May, humidity begins to gradually decline, suggesting a comforting shift as summer progresses. Overall, the month of May not only embodies the approach of warmer weather but also showcases an important pivot in the city's climatic pattern, enveloping Sliema in the lush embrace of Mediterranean humidity.

May Average Humidity in Sliema

This chart illustrates the average monthly humidity levels in Sliema, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Sliema 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in Sliema

In May, Sliema, Malta witnesses a very high UV Index of 9, maintaining the intense sun exposure seen in April. With a short burn time of just 15 minutes, it's crucial to take precautions to protect your skin while enjoying the gorgeous spring weather. This trend of increasing UV levels leading into summer highlights the importance of staying informed about sun safety. As warmer months approach, remember to check the UV Index routinely to stay protected. For more insights on UV conditions, visit the Sliema UV Index.

Maximum UV Index Levels in Sliema for May

The chart shows the monthly maximum UV Index (UVI) for Sliema in May, 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 May, the maximum UV index in Sliema typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357991011108743
Data source: Sliema May 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.

May Sunshine in Sliema

May in Sliema, Malta, is a radiant delight, boasting an impressive 394 hours of sunshine that beckons visitors to bask in its golden glow. This month typically marks a transition into the sunniest season, as daylight hours steadily increase from 223 hours in January to nearly 400 hours by June. The steady climb in sunlight reveals a pattern of rising warmth, culminating in the peak of summer when July offers a dazzling 413 hours of sunshine. As the vibrant colors of spring give way to the full bloom of summer, May serves as a wonderful reminder that Malta's sun-soaked days are on the horizon, inviting all to enjoy its charming coastal beauty and lively atmosphere.

Monthly Sunshine Duration in Sliema: May Highlighted

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

Chance of Sun in Sliema During May

In Sliema, Malta, the likelihood of sunny weather in May is quite promising, with a 71% chance of basking in the sun. This marks a slight dip from the preceding months of February and March, which boast even higher percentages of 74% and 70% respectively. However, compared to the preceding month of April, which only sees a 52% chance of sunshine, May presents a significant improvement. As we transition into summer, the prospect of clear skies only enhances, peaking at an impressive 98% chance in July. Overall, May strikes a delightful balance, setting the stage for the warm, sunny days that define the Maltese summer.

Percentage of Sunny Days in May in Sliema

The chart illustrates the percentage of sunny days in Sliema throughout the year, with May 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 Sliema experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec53%74%70%52%71%79%98%97%74%51%49%60%
Data source: Sliema May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sliema in May

As spring transitions into summer, Sliema, Malta experiences a notable increase in daylight duration. Starting with 10 hours of daylight in both January and February, the days gradually lengthen through March, reaching 11 hours, and then jumping to 13 hours by April. May heralds the peak of this trend, with 14 hours of daylight—an ideal time for enjoying the sun-soaked Mediterranean. This abundant daylight continues into June and July, before gradually tapering off with the onset of autumn, where daylight diminishes to 12 hours in September and 10 hours by November. The cyclical nature of daylight in Sliema beautifully reflects the rhythm of the seasons, making each month's unique offering a reason to relish the ever-changing skies.

Average Daylight Hours in Sliema for May

The chart illustrates the variation in daylight duration in Sliema throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h10h 52m11h 58m13h 6m14h 4m14h 32m14h 17m13h 27m12h 21m11h 14m10h 15m9h 45m
Data source: Sliema daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Sliema

In May, Sliema, Malta experiences a gentle shift in its winds, with an average speed of 4.9 m/s (11 mph). This marks a notable decline from the more vigorous gusts of the earlier months, showcasing the transition into summer. While January through April offer brisker conditions ideal for wind enthusiasts, May’s softer breezes invite visitors to enjoy leisurely seaside strolls and outdoor dining. As the summer approaches, wind patterns continue to calm, peaking at their lowest in June and July. The trend is clear: as the seasons change, so too does the wind—transforming Sliema into a tranquil haven.

Average May Wind Speed in Sliema

The chart displays monthly wind speed patterns in Sliema, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec8.56.46.76.54.9 m/s4.04.14.24.76.76.28.1
Data source: Sliema May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Sliema Compares to Other Months

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

May typically offers milder weather compared to January, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 23°C (74°F) and an average around 19°C (66°F). In contrast, January features cooler temperatures, with a minimum of 8°C (47°F) and a maximum of 21°C (71°F), averaging 14°C (58°F). Additionally, May experiences significantly less precipitation, receiving only 6 mm (0.2 in) over about 2 days, while January is much wetter, accumulating 41 mm (1.6 in) over 9 days. Overall, May is not only warmer but also drier, making it a more favorable time for outdoor activities compared to the wetter and cooler January. For more details, you can check Sliema weather in January.

May generally boasts warmer temperatures compared to February, with average highs reaching 23°C (74°F) versus February’s maximum of 19°C (66°F). The minimum temperatures in May are also more temperate at 15°C (59°F), compared to February’s cooler lows of 8°C (46°F). Additionally, May experiences significantly less precipitation, with only 6 mm (0.2 in) over just 2 days, while February sees much more rainfall at 45 mm (1.8 in) across 6 days. Despite the higher humidity in May at 80%, February's humidity remains relatively comfortable at 70%. For more detailed insights into February weather, check out Sliema weather in February.

In comparing the weather of May and March, May generally offers warmer temperatures, with minimums around 15°C (59°F) and maximums reaching 23°C (74°F), while March features cooler temperatures, ranging from 10°C (50°F) to a maximum of 20°C (69°F). Additionally, May sees significantly less precipitation, with only 6 mm (0.2 in) over just 2 days, compared to March's 36 mm (1.4 in) dispersed over 6 days. The humidity is slightly higher in May at 80%, versus March's 73%, making May feel warmer and more comfortable for outdoor activities. For a detailed look at March weather, you can visit Sliema weather in March.

In comparing the weather between April and May, it's evident that May boasts warmer temperatures, with a minimum of 15°C (59°F) and an average of 19°C (66°F), compared to April's minimum of 12°C (54°F) and average of 16°C (61°F). Additionally, May experiences less precipitation, totaling only 6 mm (0.2 in) over 2 days, whereas April sees a slightly higher 9 mm (0.4 in) over 3 days. The humidity levels are quite similar, with May at 80% and April at 78%. Overall, May offers a more pleasant and drier climate, making it an appealing time for outdoor activities. For more detailed insights, you can check out Sliema weather in April.

May and June present a noticeable transition in weather patterns. In May, temperatures range from a minimum of 15°C (59°F) to a maximum of 23°C (74°F), with an average temperature of 19°C (66°F). This month sees about 6 mm (0.2 in) of precipitation over 2 days, accompanied by a humidity level of 80%. In contrast, June brings warmer conditions, with temperatures ranging from a minimum of 18°C (64°F) to a maximum of 29°C (84°F) and an average temperature of 23°C (73°F). Notably, June has negligible precipitation at just 3 mm (0.1 in) and no rainy days, while humidity slightly increases to 81%. For a detailed overview of June's weather, you can check Sliema weather in June.

In May, temperatures range from a minimum of 15°C (59°F) to a maximum of 23°C (74°F), with an average of 19°C (66°F). The month sees some light precipitation, totaling 6 mm (0.2 in) over just 2 days, and the humidity is relatively high at 80%. In contrast, July is significantly warmer, with temperatures ranging from a minimum of 21°C (71°F) to a maximum of 29°C (85°F), and an average of 26°C (78°F). Remarkably, July experiences no precipitation at all, making it a dry month, and the humidity drops slightly to 78%. For more detailed information, check out Sliema weather in July.

May and August present quite distinct weather patterns. In May, temperatures range from a mild 15°C (59°F) at night to a comfortable 23°C (74°F) during the day, with an average of 19°C (66°F). The month experiences about 6 mm (0.2 in) of precipitation over approximately 2 days and features high humidity at 80%. In contrast, August is warmer, with minimum temperatures starting at 23°C (74°F) and peaking at a sizzling 31°C (88°F), averaging 27°C (81°F) throughout the month. This summer month sees even less precipitation, only 4 mm (0.1 in), and enjoys dry conditions with no rainy days, accompanied by slightly lower humidity at 77%. For more details on August weather, you can check Sliema weather in August.

May and September present distinctly different weather patterns. In May, temperatures range from a minimum of 15°C (59°F) to a maximum of 23°C (74°F), with an average of 19°C (66°F). The month experiences minimal precipitation, with only about 6 mm (0.2 in) over 2 days, and a relatively high humidity of 80%. In contrast, September is warmer, boasting a minimum temperature of 20°C (69°F) and an average high of 28°C (83°F). Precipitation increases significantly to 25 mm (1.0 in) across 5 days, while humidity slightly decreases to 77%. For more detailed information, you can check Sliema weather in September.

In May, the weather is characterized by mild temperatures, with averages around 19°C (66°F) and a maximum of 23°C (74°F). The month experiences low precipitation of just 6 mm (0.2 in) over two days, paired with relatively high humidity at 80%. In contrast, October brings warmer temperatures, with averages of 22°C (72°F) and highs reaching 29°C (85°F). However, it also sees significantly higher rainfall, totaling 111 mm (4.4 in) across nine days, while humidity decreases to 73%. For more detailed insights on the October weather, you can visit Sliema weather in October.

May and November share similar average temperatures, both hovering around 19°C (66°F). However, May enjoys a drier climate with only 6 mm (0.2 in) of precipitation over just 2 days, making it a pleasant month for outdoor activities. In contrast, November experiences significantly higher rainfall, totaling 109 mm (4.3 in) over 13 days, contributing to its more humid atmosphere with a humidity level of 71%. This increased precipitation makes November a much wetter month compared to May. For more specific insights into November weather, you can check Sliema weather in November.

In May, the weather typically features milder temperatures, with a minimum of 15°C (59°F) and an average of 19°C (66°F), reaching a maximum of 23°C (74°F). The month sees limited rainfall, with just 6 mm (0.2 in) over about 2 days, and a relatively high humidity level of 80%. In contrast, December presents cooler conditions, with temperatures ranging from a minimum of 10°C (49°F) to an average of 16°C (61°F), peaking at 20°C (69°F). The winter month is notably wetter, receiving 58 mm (2.3 in) of precipitation over 9 days and lower humidity at 70%. For more detailed information on December weather in Sliema, you can check Sliema weather in December.

Compare Sliema's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Sliema

As May arrives in Sliema, the weather transitions into a delightful Mediterranean spring, marked by milder temperatures and significantly lower precipitation compared to earlier months. With an average temperature settling around a comfortable 19°C (66°F), both locals and visitors can enjoy more sunlit days and pleasant evenings. The humidity remains notable, yet it does not overshadow the joys of outdoor activities, particularly with only a couple of rain days expected. If you're planning a trip or simply curious about the climate, feel free to explore more on Sliema Climate.