Carrickfergus weather in April

In April, Carrickfergus sees average daytime highs of 10°C and overnight lows near 6°C, with 68 mm of precipitation across 13.4 wet days and about 13.7 hours of daylight. It is the 8th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 10°C through the month. The sky is clear or mostly clear about 16% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 42 min at the start of April to 14 h 48 min by month's end. Set against the rest of the year, April is Carrickfergus's 2nd-clearest and 7th-windiest month. For the whole year in context, see Carrickfergus's year-round climate.

Daytime high
10°
8th warmest
Overnight low
5th coldest
Precipitation
68 mm
13.4 wet days
Daylight
13 h 48 min
5:30 AM – 7:17 PM
Cloud cover
69%
2nd clearest
Wind
20 km/h
7th windiest
Solar energy
3.97 kWh/m²
Travel score
1.8
out of 10

Carrickfergus is town in County Antrim, Northern Ireland.

Density
2,386/km²
people per km²

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 10°C through the month.

A typical April day in Carrickfergus reaches about 10°C in the afternoon and slips back to 6°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 12°C. Set against its neighbours, April runs about 1°C warmer than March and about 2°C cooler than May.

10°15°151015202530
Avg high (°C)Avg low (°C)
196
296
396
496
596
696
796
896
996
1096
1196
1296
1396
1496
1596
16106
17106
18107
19107
20107
21107
22107
23107
24107
25107
26107
27107
28107
29107
30107

How April really feels in Carrickfergus

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.

Carrickfergus weather by month

How April compares with the rest of the year at a glance. April is the 8th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 9917.20.87.60.9
Feb / 791419.30.9
Mar / 7614.60.711.51.2
Apr10° / 6813.40.213.71.8
May12° / 7213.5015.82.7
Jun14° / 11°8213.7016.93.5
Jul15° / 12°9415.4016.54.0
Aug16° / 13°9215.1014.74.2
Sep15° / 12°8613.8012.53.8
Oct12° / 10°11416.2010.22.8
Nov10° / 11317.30.18.21.8
Dec / 10915.70.47.11.2

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 18% of April, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13070
23070
33169
43169
53169
63268
73367
83367
93466
103466
113466
123466
133466
143565
153565
163565
173565
183565
193565
203565
213565
223565
233565
243565
253664
263664
273763
283763
293763
303763

Chance of precipitation in April

Any precipitationSnow

Carrickfergus gets around 68 mm of rain and snow over 13.4 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 precipitation averages around 44% and peaks near 45% on the wettest days, and about 0 day brings snow.

0%20%40%60%151015202530
Rain chance (%)Snow chance (%)
1452
2452
3452
4451
5451
6441
7441
8441
9431
10421
11420
12410
13410
14410
15410
16410
17410
18420
19430
20430
21440
22440
23440
24450
25450
26450
27450
28450
29450
30450

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 20 km/h in April.

Across April, daily wind ranges from about 19 km/h on the calmest days to 21 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
121breezy
221breezy
321breezy
421breezy
521breezy
621breezy
721breezy
820breezy
920breezy
1020breezy
1120breezy
1220breezy
1320light breeze
1420light breeze
1520light breeze
1620light breeze
1720light breeze
1820light breeze
1920light breeze
2020light breeze
2120light breeze
2220light breeze
2320light breeze
2420light breeze
2520light breeze
2619light breeze
2719light breeze
2819light breeze
2919light breeze
3019light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 42 min at the start of April to 14 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 126 minutes over April. Sunrise moves from 6:08 AM to 4:57 AM, and sunset from 6:48 PM to 7:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:086:48
212.76:056:50
312.86:036:52
412.96:006:54
513.05:586:56
613.05:556:58
713.15:527:00
813.25:507:01
913.35:477:03
1013.35:457:05
1113.45:427:07
1213.55:407:09
1313.65:377:11
1413.65:357:13
1513.75:327:15
1613.85:307:17
1713.95:277:19
1813.95:257:21
1914.05:227:23
2014.15:207:25
2114.25:187:27
2214.25:157:29
2314.35:137:31
2414.45:117:33
2514.45:087:35
2614.55:067:37
2714.65:047:38
2814.75:017:40
2914.74:597:42
3014.84:577:44

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 3.97 kWh/m².

For context, solar energy here swings from a low near 0.46 kWh/m² to a high of 5.1 kWh/m² in June across the year — April's 3.97 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
13.2Moderate
23.3Moderate
33.3Moderate
43.4Moderate
53.4Moderate
63.5Moderate
73.5Moderate
83.6Moderate
93.6Moderate
103.7Moderate
113.8Moderate
123.8Moderate
133.9Moderate
143.9Moderate
154.0Moderate
164.0Bright
174.1Bright
184.1Bright
194.2Bright
204.2Bright
214.3Bright
224.3Bright
234.3Bright
244.4Bright
254.4Bright
264.5Bright
274.5Bright
284.6Bright
294.6Bright
304.7Bright
Planning a trip in April

Is April a good time to visit Carrickfergus?

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

1.8
Sightseeing
7th-best month of the year
Beach & pool
never really warm enough

April is a weaker month for outdoor sightseeing in Carrickfergus.

What to pack for Carrickfergus in April

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

In April, Carrickfergus sees daytime highs around 10°C and nights near 6°C. Pack a warm layer. Worth having: rain gear and a windbreaker. About 13 days see rain.

a warm layerrain geara windbreaker

Sea temperature near Carrickfergus in April

The nearest coast averages about 8°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 September at about 14°C and coldest in March near 8°C.

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

6°8°10°12°14°16°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan9Bracing
Feb8Bracing
Mar8Bracing
Apr8Bracing
May9Bracing
Jun11Bracing
Jul12Bracing
Aug13Bracing
Sep14Bracing
Oct14Bracing
Nov12Bracing
Dec11Bracing

UV index in Carrickfergus in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Carrickfergus peaks around May 22 at about 5 (high) — a little sun protection helps at midday. It bottoms out near January 1 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 5 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowMay 22UV 5Jan 1UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Moderate
Apr3Moderate
May5High
Jun5High
Jul5High
Aug5Moderate
Sep3Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Carrickfergus?

Carrickfergus sits at 54.7°N, 5.8°W, 7 m above sea level, in United Kingdom. The nearest listed city is Newtownabbey, 9.0 km away.

Topography around Carrickfergus

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

Within 3 km, the terrain around Carrickfergus has only modest variations in elevation — a maximum elevation change of 171 m around an average of 25 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 447 m; within 80 km, large variations in elevation — a maximum elevation change of 860 m.

The land around Carrickfergus is covered by water (47%) and grassland (25%) within 3 km, grassland (46%) and water (30%) within 16 km, and water (49%) and grassland (43%) within 80 km.

3 km
171 m
16 km
447 m
80 km
860 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Newtownabbey 9.0 km · Bangor 11 km · Larne 15 km · Belfast 15 km · Newtownards 16 km · Castlereagh 17 km · Lisburn 26 km · Antrim 26 km

United Kingdom travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type D / G / M
230 V · 50 Hz
Prices
≈ 89% of US
price level, 2025
GDP per capita
$57,602
2025
Happiness
6.7 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.1
per 100k, 2021
Road deaths
3.2
per 100k/yr, 2019
Income group
High
World Bank
Religion
Christian 60%none 26%Muslim 4%other 2%

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 Carrickfergus (54.7158°, -5.8058°, elevation 7 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).