Sligo weather in April

In April, Sligo sees average daytime highs of 12°C and overnight lows near 5°C, with 84 mm of precipitation across 14.9 wet days and about 13.7 hours of daylight. It is the 7th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 11°C in the first days to 13°C by the end. The sky is clear or mostly clear about 8% 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 42 min by month's end. Set against the rest of the year, April is Sligo's 2nd-clearest and 7th-windiest month. For the whole year in context, see Sligo's year-round climate.

Daytime high
12°
7th warmest
Overnight low
6th coldest
Precipitation
84 mm
14.9 wet days
Daylight
13 h 48 min
5:41 AM – 7:27 PM
Cloud cover
77%
2nd clearest
Wind
15 km/h
7th windiest
Solar energy
3.9 kWh/m²
Travel score
2.6
out of 10

Sligo is main town in county Sligo, Ireland.

Density
668/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

Highs climb over the month, from about 11°C in the first days to 13°C by the end.

A typical April day in Sligo reaches about 12°C in the afternoon and slips back to 5°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 16°C. Set against its neighbours, April runs about 2°C warmer than March and about 3°C cooler than May.

10°15°20°151015202530
Avg high (°C)Avg low (°C)
1114
2114
3114
4114
5115
6115
7115
8115
9115
10115
11115
12125
13125
14125
15125
16125
17125
18125
19125
20125
21125
22126
23126
24136
25136
26136
27136
28136
29136
30136

How April really feels in Sligo

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.

Sligo 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 / 10917.61.47.70.9
Feb / 9415.41.39.31.0
Mar / 9116.40.911.51.7
Apr12° / 8414.90.213.72.6
May14° / 9615.1015.73.6
Jun16° / 10°9915.5016.84.2
Jul18° / 12°11017.9016.44.5
Aug18° / 12°10818014.74.4
Sep16° / 10°9115012.54.1
Oct13° / 11016.7010.22.9
Nov10° / 11017.50.18.21.6
Dec / 11418.20.97.21.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% 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 80%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12080
22080
31981
41981
51981
62080
72179
82179
92179
102179
112179
122179
132080
142080
152080
162080
172080
182080
192080
202080
212080
222080
232080
242080
252080
262179
272179
282278
292278
302377

Chance of precipitation in April

Any precipitation

Sligo gets around 84 mm of rain and snow over 14.9 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 49% and peaks near 52% on the wettest days, and about 0 day brings snow.

0%20%40%60%151015202530
Rain chance (%)
152
252
351
451
551
650
749
849
948
1047
1146
1245
1345
1445
1545
1645
1746
1847
1947
2048
2149
2249
2350
2450
2550
2651
2751
2851
2951
3051

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 15 km/h in April.

Across April, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze

Sunrise & sunset in April

DaylightNight

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

Days grow by about 120 minutes over April. Sunrise moves from 6:19 AM to 5:09 AM, and sunset from 6:58 PM to 7:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:196:58
212.76:167:00
312.86:147:02
412.96:117:04
513.06:097:06
613.06:067:08
713.16:047:10
813.26:017:12
913.25:597:13
1013.35:567:15
1113.45:547:17
1213.55:517:19
1313.55:497:21
1413.65:467:23
1513.75:447:25
1613.85:417:27
1713.85:397:29
1813.95:377:31
1914.05:347:33
2014.05:327:34
2114.15:297:36
2214.25:277:38
2314.35:257:40
2414.35:227:42
2514.45:207:44
2614.55:187:46
2714.55:167:48
2814.65:137:50
2914.75:117:52
3014.75:097:53

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 3.9 kWh/m².

For context, solar energy here swings from a low near 0.45 kWh/m² to a high of 4.93 kWh/m² in June across the year — April's 3.9 kWh/m² falls in the middle.

012345151015202530
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
113.7Moderate
123.8Moderate
133.8Moderate
143.8Moderate
153.9Moderate
163.9Moderate
174.0Moderate
184.0Bright
194.0Bright
204.1Bright
214.1Bright
224.2Bright
234.2Bright
244.2Bright
254.3Bright
264.3Bright
274.4Bright
284.4Bright
294.4Bright
304.5Bright
Planning a trip in April

Is April a good time to visit Sligo?

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

2.6
Sightseeing
7th-best month of the year
Beach & pool
never really warm enough

April is a weaker month for outdoor sightseeing in Sligo.

What to pack for Sligo in April

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

In April, Sligo sees daytime highs around 12°C and nights near 5°C. Pack a warm layer and rain gear. About 15 days see rain.

a warm layerrain gear

Sea temperature near Sligo 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 15 km away) is warmest in August at about 16°C and coldest in February near 8°C.

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

10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan9Bracing
Feb8Bracing
Mar8Bracing
Apr9Bracing
May11Bracing
Jun13Bracing
Jul15Bracing
Aug16Cool
Sep15Bracing
Oct13Bracing
Nov12Bracing
Dec10Bracing

UV index in Sligo in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sligo peaks around June 23 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 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 23UV 5Jan 1UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Moderate
Apr3Moderate
May5Moderate
Jun5High
Jul5High
Aug5Moderate
Sep4Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Sligo?

Sligo sits at 54.3°N, 8.5°W, 13 m above sea level, in Ireland. The nearest listed city is Omagh, 84 km away.

OmaghLetterkennyAthloneLondonderry County BoroughDerryAn Muileann gCearrGalwayTullamore

Topography around Sligo

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

Within 3 km, the terrain around Sligo has only modest variations in elevation — a maximum elevation change of 120 m around an average of 27 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 660 m; within 80 km, large variations in elevation — a maximum elevation change of 805 m.

The land around Sligo is covered by grassland (56%) and trees (21%) within 3 km, grassland (66%) within 16 km, and grassland (64%) and water (24%) within 80 km.

3 km
120 m
16 km
660 m
80 km
805 m
treesgrasslandartificial surfaceswater
April weather nearby: Omagh 84 km · Letterkenny 89 km · Athlone 100 km · Londonderry County Borough 110 km · Derry 110 km · An Muileann gCearr 111 km · Galway 117 km · Tullamore 128 km

Ireland travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type G
230 V · 50 Hz
Prices
≈ 85% of US
price level, 2025
GDP per capita
$131,592
2025
Happiness
6.9 / 10
World Happiness, 2025
Safe drinking water
96%
of population, 2024
Homicide rate
0.7
per 100k, 2023
Road deaths
3.1
per 100k/yr, 2019
Income group
High
World Bank
Religion
Roman Catholic 69%none 15%Protestant 4%Orthodox 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 Sligo (54.2697°, -8.4694°, elevation 13 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).