The week of 23 June 2025 - 29 June 2025 had an average daily temperature of 34 °C (93 °F) and a minimum (nighttime) temperature of 24 °C (75 °F). These temperatures are above the long-time average for Sliema, being 29 °C (84 °F) for daily temperatures and 20 °C (68 °F) for night temperatures. In the beginning, Monday was coldest day of the week. On average, the temperatures during various times of day (in local time) were recorded as: 7am 25 °C (77 °F), 10am 31 °C (88 °F), 1pm 32 °C (90 °F), 4pm 33 °C (91 °F), 7pm 31 °C (88 °F), 10pm 26 °C (79 °F).

During this week: 7 days without rain were observed. The total precipitation for the week in Sliema was 0 mm (0.00 in), which is roughly same as the area's average of 0 mm (0.00 in). The average cloud coverage during the daytime (from dawn to dusk) was 8 %.

An average wind speed of 2.9 m/s was recorded. The atmosferic pressure ranged from 1014 hpa to 1019 hpa. The air in Sliema had an average humidity of 62 %.

On average, there were 15 hours clear skies during the daytime (from dawn to dusk). On average, the time of sunrise was 05:47, and the time of sunset was 20:22.

Weather overview

Sliema, located on the Malta archipelago, is known for its particularly warm climate, with daytime temperatures oscillating between a modest 16 °C (61 °F) in the cooler month of February to a scorching 32 °C (89 °F) during the peak of summer in August. Sea temperatures in this picturesque town peak at a balmy 26 °C (79 °F) in August, dipping to a cooler 15 °C (59 °F) come February. On the other hand, night-time temperatures hit their zenith in August at 23 °C (74 °F), while the coldest nights occur in February with temperatures falling to 10 °C (50 °F). When it comes to precipitation, Sliema boasts its driest month in July, with a scant 0 days of rainfall, while December tends to be the wettest month, with rain falling on approximately 10 days.

January weather

In January, the sea temperature in Sliema continues its downward trend from the previous month, resting at 16 °C (61 °F), while the daytime temperature also declines to 16 °C (61 °F). Precipitation begins to decrease, registering at 86 mm (3.40 in). Nighttime temperatures continue their decline, reaching 10 °C (51 °F). Wind speeds hit their peak of the year, and humidity levels also reach their maximum.

February weather

February sees the sea temperature in Sliema hitting its yearly low at 15 °C (59 °F), concurrent with the daytime temperature reaching its annual nadir of 16 °C (61 °F). Rainfall continues to reduce to 56 mm (2.20 in), and the number of rainy days decreases to 9 days. Night temperatures reach their annual minimum, while sunny hours begin to increase.

March weather

March in Sliema is characterized by a continued reduction in rainy days, now averaging 6 days, with a similar decline in rainfall amounts to 33 mm (1.31 in). The start of rising night temperatures can be observed, up to 11 °C (51 °F), and there is a gentle increase in daytime temperature. The number of sunny hours continues their growth, now at 7 hours.

April weather

April marks a continued rise in daytime temperature in Sliema, reaching 20 °C (68 °F), while the sea temperature also begins its annual upward trend. The number of rainy days keeps declining, falling to 4, and rainfall totals also decrease. Night temperatures continue to rise, settling at 13 °C (55 °F). The growing number of sunny hours is observed at 8 hours.

May weather

With the advent of May in Sliema, a continuous rise in daytime and sea temperatures can be noticed, recorded at 18 °C (65 °F). Rainfall levels carry on their downward trajectory to 8 mm (0.31 in), and the number of rainy days also diminishes to 2 days. A noticeable rise in nighttime temperatures to 16 °C (60 °F) is accompanied by an increased count of sunny hours, now at 9 hours.

June weather

June heralds the prelude to the tourist season in Sliema, with the sea temperature continuing its rise to 22 °C (71 °F), paralleled by an increase in daytime temperatures to 29 °C (83 °F). The decrease in rainfall becomes more pronounced as it drops to 2 mm (0.07 in). Nighttime temperatures also ascend to 20 °C (67 °F). A continued rise in sunny hours is evident, registering at 11 hours.

July weather

July in Sliema observes a rising daytime temperature, reaching its peak of 32 °C (89 °F), and the sea temperature also mirrors this pattern, with a value of 25 °C (77 °F). Tourist activity is buzzing with the season in full swing. The rainiest days hit their lowest at 0 days, with rainfall at its nadir at 0 mm (0.00 in). The zenith of sunny hours can be observed, marked by 11 hours.

August weather

August is characterized by maximum daytime temperatures in the region of 32 °C (89 °F) in Sliema, with sea temperatures hitting their annual maximum at 26 °C (79 °F). The tourist season continues in full effect. A mild increase in rainfall is observed, reaching 6 mm (0.25 in). Night temperatures also register their highest at 23 °C (74 °F). Wind speeds see their lowest during this period.

September weather

In September, as the tourist season starts winding down, Sliema experiences a noticeable decrease in day temperatures to 29 °C (83 °F), and sea temperatures commence their descent to 25 °C (78 °F). A continued rise in the number of rainy days to 4 days, along with an uptick in rainfall amounts, can be seen. Night temperatures also begin to fall.

October weather

October in Sliema, with the tourist season at its height, exhibits a continued drop in day temperatures, now at 25 °C (78 °F), and the sea temperature also follows suit, descending to 23 °C (74 °F). The number of rainy days is on the incline, averaging 7 days, with rainfall totals also on the rise to 71 mm (2.79 in). A decrease in sunny hours is noted, now at 7 hours.

November weather

November sees the day temperature in Sliema continuing its decline to 21 °C (70 °F), while the sea temperature also decreases to 21 °C (69 °F). The number of rainy days keeps escalating to 9 days, juxtaposed with a rise in rainfall to 90 mm (3.53 in). Night temperatures also fall to 15 °C (59 °F). A reduction in sunny hours is visible, now at 6 hours.

December weather

December marks a downturn in daytime temperatures to 18 °C (64 °F) in Sliema, with a corresponding drop in sea temperatures to 18 °C (64 °F). The highest rainfall and the most rainy days of the year are observed, amounting to 101 mm (3.96 in) and 10 days, respectively. The shortest sunny and daylight hours are noted during this month.

What's the trend for Sliema's weather in January?

January in Sliema shows a decrease in sea and day temperatures, a downtrend in rainfall, and a drop in nighttime temperatures, alongside peak wind speeds and humidity levels.

During February, how does the amount of sunshine change in Sliema?

In February, Sliema starts to experience an increase in the number of sunshine hours, indicating the approaching spring.

What kind of weather should I expect in Sliema during March?

Expect fewer rainy days and decreasing precipitation in March, alongside increasing nighttime temperatures and lengthening hours of sunshine.

What changes in the Sliema climate can be noted in April?

April in Sliema brings a gradual increase in both sea and day temperatures, a persistence in the reduction of rainy days, an increase in nighttime temperatures, and more hours of sunshine.

How does the transitional weather of May manifest in Sliema?

May marks a transition in Sliema with a significant increase in sea and day temperatures, minimal rainfall, warmer nights, and an abundance of sunny hours.

Is June an ideal time for vacationing in Sliema based on its climate?

Indeed, June in Sliema is excellent for holidays, thanks to pleasant daytime and nighttime temperatures, minimal rainfall, and a generous amount of sunshine.

What weather conditions prevail in Sliema during the peak of summer in July?

Sliema in July boasts peak summer conditions with the highest daytime temperatures, warm sea temperatures, negligible rainfall, and extensive sunny hours.

What are the distinctive weather features of Sliema in August?

August in Sliema is marked by the highest daytime and sea temperatures, a slight uptick in rainfall, the warmest nights of the year, and the calmest winds.

How does the climate in Sliema change as the summer ends in September?

As September ushers in the end of summer, Sliema sees a decrease in day and sea temperatures, slightly more rainy days, but still mostly warm conditions.

Is October favorable for tourists in Sliema in terms of weather?

October offers favorable weather for tourists in Sliema, with mild day temperatures and sea warmth, despite the increasing possibility of rain and fewer sunny hours.

What shifts in weather does Sliema experience with the onset of November?

November brings a further decline in both day and sea temperatures, an increase in rainy days and total precipitation, and shorter sunny hours.

What characterizes the weather in Sliema during December?

In December, Sliema experiences a decrease in temperatures, the highest amount of rainfall, the most rainy days, and the shortest periods of sunshine and daylight.