Ostend weather in April

In April, Ostend sees average daytime highs of 11°C and overnight lows near 7°C, with 46 mm of rain across 10.4 wet days and about 13.5 hours of daylight. It is the 7th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 10°C in the first days to 13°C by the end. The sky is clear or mostly clear about 28% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 36 min at the start of April to 14 h 24 min by month's end. Set against the rest of the year, April is Ostend's 3rd-clearest and 8th-windiest month. For the whole year in context, see Ostend's year-round climate.

Daytime high
11°
7th warmest
Overnight low
5th coldest
Rainfall
46 mm
10.4 wet days
Daylight
13 h 36 min
6:01 AM – 7:36 PM
Cloud cover
61%
3rd clearest
Wind
19 km/h
8th windiest
Solar energy
4.6 kWh/m²
Travel score
2.8
out of 10

Ostend is city in Ostend municipality, Belgium.

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 10°C in the first days to 13°C by the end.

A typical April day in Ostend reaches about 11°C in the afternoon and slips back to 7°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 15°C. Set against its neighbours, April runs about 3°C warmer than March and about 3°C cooler than May.

10°15°20°151015202530
Avg high (°C)Avg low (°C)
1106
2106
3106
4106
5107
6107
7107
8117
9117
10117
11117
12117
13117
14117
15117
16117
17117
18128
19128
20128
21128
22128
23128
24128
25128
26139
27139
28139
29139
30139

How April really feels in Ostend

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

April sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Ostend weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 7313.90.88.20.7
Feb / 6011.41.19.60.7
Mar / 5511.40.511.51.6
Apr11° / 4610.4013.52.8
May14° / 11°5710.9015.34.2
Jun17° / 14°6010.5016.35.4
Jul20° / 16°7012015.96.0
Aug20° / 16°8012014.46.0
Sep18° / 14°7812012.45.4
Oct15° / 11°9214010.43.8
Nov11° / 9515.40.28.72.1
Dec / 9314.90.77.71.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 16% of April, with mostly cloudy or overcast conditions the remaining 56%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14456
24456
34555
44456
54456
64555
74555
84555
94555
104555
114555
124555
134654
144654
154654
164654
174654
184555
194555
204555
214555
224456
234357
244357
254357
264258
274258
284258
294159
304060

Chance of precipitation in April

Any precipitation

Ostend gets around 46 mm of rain over 10.4 wet days in April, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 34% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
134
234
334
434
534
634
734
834
934
1034
1133
1233
1333
1433
1532
1632
1732
1832
1933
2033
2134
2234
2335
2435
2536
2636
2737
2837
2937
3037

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100

Wind in April

Winds average 19 km/h in April.

Across April, daily wind ranges from about 19 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
120breezy
220breezy
320breezy
420light breeze
520light breeze
620light breeze
720light breeze
820light breeze
920light breeze
1019light breeze
1119light breeze
1219light breeze
1319light breeze
1419light breeze
1519light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2319light breeze
2419light breeze
2519light breeze
2619light breeze
2719light breeze
2819light breeze
2919light breeze
3019light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 36 min at the start of April to 14 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 108 minutes over April. Sunrise moves from 6:35 AM to 5:32 AM, and sunset from 7:10 PM to 7:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:357:10
212.76:337:12
312.76:317:14
412.86:287:16
512.96:267:17
612.96:247:19
713.06:227:21
813.06:197:22
913.16:177:24
1013.26:157:26
1113.26:127:27
1213.36:107:29
1313.46:087:31
1413.46:067:32
1513.56:047:34
1613.66:017:36
1713.65:597:37
1813.75:577:39
1913.85:557:41
2013.85:537:42
2113.95:517:44
2214.05:487:46
2314.05:467:47
2414.15:447:49
2514.15:427:51
2614.25:407:52
2714.35:387:54
2814.35:367:56
2914.45:347:57
3014.45:327:59

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.6 kWh/m².

For context, solar energy here swings from a low near 0.65 kWh/m² to a high of 5.72 kWh/m² in June across the year — April's 4.6 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
13.8Moderate
23.9Moderate
34.0Moderate
44.0Bright
54.1Bright
64.2Bright
74.2Bright
84.3Bright
94.3Bright
104.4Bright
114.4Bright
124.5Bright
134.5Bright
144.6Bright
154.6Bright
164.7Bright
174.7Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
Planning a trip in April

Is April a good time to visit Ostend?

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

2.8
Sightseeing
7th-best month of the year
0.0
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Ostend.

What to pack for Ostend in April

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

In April, Ostend sees daytime highs around 11°C and nights near 7°C. Pack a warm layer. Worth having: rain gear and sun protection. About 10 days see rain.

a warm layerrain gearsun protection

Sea temperature near Ostend in April

The nearest coast averages about 9°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 18 km away) is warmest in August at about 19°C and coldest in February near 6°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan7Bracing
Feb6Bracing
Mar7Bracing
Apr9Bracing
May12Bracing
Jun15Bracing
Jul17Cool
Aug19Cool
Sep18Cool
Oct15Bracing
Nov12Bracing
Dec9Bracing

UV index in Ostend in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ostend peaks around June 22 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 22UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Ostend?

Ostend sits at 51.2°N, 2.9°E, 6 m above sea level, in Belgium. The nearest listed city is Middelkerke, 8.0 km away.

ZedelgemSint-AndriesBlankenbergeTorhoutBrugesDiksmuideOostkamp

Topography around Ostend

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

Within 3 km, the terrain around Ostend has only modest variations in elevation — a maximum elevation change of 25 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 49 m; within 80 km, significant variations in elevation — a maximum elevation change of 318 m.

The land around Ostend is covered by artificial surfaces (40%) and grassland (22%) within 3 km, water (43%), cropland (23%) and grassland (22%) within 16 km, and cropland (35%) and water (33%) within 80 km.

3 km
25 m
16 km
49 m
80 km
318 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
April weather nearby: Middelkerke 8.0 km · Zedelgem 17 km · Sint-Andries 18 km · Blankenberge 18 km · Torhout 21 km · Bruges 21 km · Diksmuide 21 km · Oostkamp 22 km

Belgium travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 81% of US
price level, 2025
GDP per capita
$60,750
2025
Happiness
6.9 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.1
per 100k, 2021
Road deaths
5.8
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 608
Religion
Roman Catholic 57%nonbeliever/agnostic 20%atheist 9%Muslim 7%

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 Ostend (51.2155°, 2.927°, elevation 6 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).