Sliema weather in April

In April, Sliema sees average daytime highs of 17°C and overnight lows near 15°C, with 14 mm of rain across 3.3 wet days and about 12.9 hours of daylight. It is the 9th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 16°C in the first days to 18°C by the end. The sky is clear or mostly clear about 64% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 18 min at the start of April to 13 h 24 min by month's end. Set against the rest of the year, April is Sliema's 6th-clearest and 6th-windiest month. For the whole year in context, see Sliema's year-round climate.

Daytime high
17°
9th warmest
Overnight low
15°
5th coldest
Rainfall
14 mm
3.3 wet days
Daylight
12 h 54 min
5:35 AM – 6:30 PM
Cloud cover
33%
6th clearest
Wind
23 km/h
6th windiest
Solar energy
6.32 kWh/m²
Travel score
6.5
out of 10

Sliema is resort town on the east coast of the Mediterranean island of Malta.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 16°C in the first days to 18°C by the end.

A typical April day in Sliema reaches about 17°C in the afternoon and slips back to 15°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 18°C. Set against its neighbours, April runs about 1°C warmer than March and about 3°C cooler than May.

10°13°15°18°20°151015202530
Avg high (°C)Avg low (°C)
11614
21614
31614
41615
51615
61615
71615
81615
91615
101615
111615
121615
131615
141615
151615
161715
171715
181715
191715
201716
211716
221716
231716
241716
251716
261716
271716
281816
291816
301816

Sliema weather by month

How April compares with the rest of the year at a glance. April is the 9th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan15° / 13°549.49.84.7
Feb14° / 13°50810.64.7
Mar15° / 14°325.411.75.4
Apr17° / 15°143.312.96.5
May19° / 18°61.413.98.0
Jun23° / 22°30.414.49.3
Jul26° / 24°00.114.29.5
Aug27° / 25°30.613.49.0
Sep25° / 24°33412.28.4
Oct23° / 21°526.511.17.7
Nov20° / 18°699.310.16.6
Dec17° / 15°729.89.65.6

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 64% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 13% of April, with mostly cloudy or overcast conditions the remaining 23%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17723
27822
37822
47921
57921
67921
77921
87921
98020
108020
118020
128020
137822
147822
157822
167723
177723
187723
197525
207525
217525
227426
237525
247525
257525
267624
277723
287723
297921
307921

Chance of precipitation in April

Any precipitation

Sliema gets around 14 mm of rain over 3.3 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 11% and peaks near 15% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
115
214
314
413
513
612
712
811
911
1011
1110
1210
139
149
159
169
179
189
199
2010
2110
2210
2310
2410
2510
2610
2710
289
299
309

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

Most of April feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, April lands in the dry band about 53% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
176240
275250
374260
473270
572280
671290
770300
868320
966340
1065350
1163370
1262380
1360400
1458420
1557430
1655450
1752471
1850491
1948511
2046531
2143552
2241563
2339583
2437594
2534615
2632626
2730637
2828648
29266410
30246511

Wind in April

Winds average 23 km/h in April.

Across April, daily wind ranges from about 21 km/h on the calmest days to 24 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202530
Wind speed (km/h)Feels
124breezy
224breezy
324breezy
424breezy
524breezy
624breezy
724breezy
823breezy
923breezy
1023breezy
1123breezy
1223breezy
1323breezy
1423breezy
1523breezy
1623breezy
1723breezy
1823breezy
1922breezy
2022breezy
2122breezy
2222breezy
2322breezy
2422breezy
2522breezy
2622breezy
2722breezy
2821breezy
2921breezy
3021breezy

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 18 min at the start of April to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over April. Sunrise moves from 5:56 AM to 5:17 AM, and sunset from 6:17 PM to 6:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:566:17
212.45:556:18
312.45:536:19
412.55:526:19
512.55:516:20
612.55:496:21
712.65:486:22
812.65:466:23
912.65:456:24
1012.75:436:24
1112.75:426:25
1212.85:406:26
1312.85:396:27
1412.85:386:28
1512.95:366:29
1612.95:356:30
1712.95:346:30
1813.05:326:31
1913.05:316:32
2013.15:306:33
2113.15:286:34
2213.15:276:35
2313.25:266:35
2413.25:246:36
2513.25:236:37
2613.35:226:38
2713.35:216:39
2813.35:196:40
2913.45:186:41
3013.45:176:42

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.32 kWh/m².

For context, solar energy here swings from a low near 2.31 kWh/m² to a high of 7.63 kWh/m² in June across the year — April's 6.32 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.9Bright
45.9Bright
56.0Bright
66.0Intense
76.0Intense
86.1Intense
96.1Intense
106.2Intense
116.2Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.4Intense
176.4Intense
186.4Intense
196.5Intense
206.5Intense
216.5Intense
226.5Intense
236.5Intense
246.6Intense
256.6Intense
266.6Intense
276.7Intense
286.7Intense
296.7Intense
306.7Intense
Planning a trip in April

Hazard calendar for Sliema

In seasonPeak

In April, Sliema sits inside its dust season. The full year is below, with each hazard's peak months called out.

Sliema sees seasonal dust haze (April–June), heaviest in April.

Dust
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is April a good time to visit Sliema?

Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.5
Sightseeing
8th-best month of the year
1.3
Beach & pool
8th-best month of the year

April is a reasonable time to visit Sliema for sightseeing.

What to pack for Sliema in April

From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In April, Sliema sees daytime highs around 17°C and nights near 15°C. Pack sun protection. Worth having: a warm layer and a windbreaker. About 3 days see rain.

sun protectiona warm layera windbreaker

Sea temperature near Sliema in April

The nearest coast averages about 16°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 27°C and coldest in March near 15°C.

It's comfortable for a long swim from May 29 to Nov 25 — about 6 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Cool
Mar15Cool
Apr16Cool
May19Cool
Jun22Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct24Refreshing
Nov21Refreshing
Dec18Cool

UV index in Sliema in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sliema peaks around July 13 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighHighVery highHighModerateJul 13UV 10Jan 10UV 2
UV index (midday)Level
Jan2Low
Feb4Moderate
Mar6High
Apr5Moderate
May6High
Jun10Very high
Jul10Very high
Aug9Very high
Sep7Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Sliema in April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.

Air quality in Sliema is worst in March — around 15 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (July, 9 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodMar 1615 µg/m³Jul 229 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb14Moderate
Mar15Moderate
Apr14Moderate
May12Good
Jun9Good
Jul9Good
Aug9Good
Sep9Good
Oct11Good
Nov10Good
Dec10Good
Location & terrain

Where is Sliema?

Sliema sits at 35.9°N, 14.5°E, 40 m above sea level, in Malta. The nearest listed city is St. Julian's, 1.0 km away.

BirkirkaraQormiŻabbarMostaMarsaxlokkSan Pawl il-Baħar

Topography around Sliema

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sliema.

Within 3 km, the terrain around Sliema has only modest variations in elevation — a maximum elevation change of 121 m around an average of 18 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 253 m; within 80 km, only modest variations in elevation — a maximum elevation change of 246 m.

The land around Sliema is covered by water (51%) and artificial surfaces (38%) within 3 km, water (70%) within 16 km, and water (96%) within 80 km.

3 km
121 m
16 km
253 m
80 km
246 m
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: St. Julian's 1.0 km · Valletta 2.0 km · Birkirkara 4.0 km · Qormi 5.0 km · Żabbar 5.0 km · Mosta 7.0 km · Marsaxlokk 9.0 km · San Pawl il-Baħar 9.0 km

Malta travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type G
230 V · 50 Hz
Prices
≈ 66% of US
price level, 2025
GDP per capita
$47,907
2025
Happiness
6.4 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
0.6
per 100k, 2023
Road deaths
4.1
per 100k/yr, 2019
Income group
High
World Bank
Religion
Roman Catholic more than 90%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Sliema (35.9125°, 14.5017°, elevation 40 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).