Portlaoise weather in April

In April, Portlaoise sees average daytime highs of 12°C and overnight lows near 5°C, with 63 mm of precipitation across 12.6 wet days and about 13.6 hours of daylight. It is the 7th-warmest and 9th-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 9% 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 36 min by month's end. Set against the rest of the year, April is Portlaoise's 1st-clearest and 7th-windiest month. For the whole year in context, see Portlaoise's year-round climate.

Daytime high
12°
7th warmest
Overnight low
6th coldest
Precipitation
63 mm
12.6 wet days
Daylight
13 h 42 min
5:39 AM – 7:20 PM
Cloud cover
76%
1st clearest
Wind
14 km/h
7th windiest
Solar energy
3.86 kWh/m²
Travel score
2.9
out of 10

Portlaoise is county town of County Laois, Ireland.

Density
1,942/km²
people per km²
Founded
1557

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 Portlaoise 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 9°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
5114
6114
7114
8114
9125
10125
11125
12125
13125
14125
15125
16125
17125
18125
19125
20125
21135
22135
23136
24136
25136
26136
27136
28136
29136
30136

How April really feels in Portlaoise

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.

Portlaoise weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 7113.30.67.91.1
Feb / 5911.70.99.51.2
Mar10° / 6012.20.711.52.0
Apr12° / 6312.60.113.62.9
May15° / 6412.6015.54.0
Jun17° / 10°7012.1016.65.0
Jul19° / 12°6612.5016.25.3
Aug18° / 12°7412.6014.55.3
Sep16° / 10°6210.9012.44.8
Oct13° / 7812.7010.33.3
Nov10° / 7912.40.18.42.0
Dec / 7913.60.67.41.2

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in April, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of April, with mostly cloudy or overcast conditions the remaining 78%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12179
22179
32278
42278
52377
62476
72476
82476
92476
102575
112575
122575
132575
142476
152476
162476
172377
182278
192278
202278
212179
222179
232080
242080
252080
262080
272080
282080
292179
302179

Chance of precipitation in April

Any precipitation

Portlaoise gets around 63 mm of rain and snow over 12.6 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 41% and peaks near 45% on the wettest days, and about 0 day brings snow.

0%20%40%60%151015202530
Rain chance (%)
140
240
340
440
540
640
739
839
938
1038
1138
1237
1337
1438
1538
1639
1740
1841
1942
2043
2143
2244
2345
2445
2545
2645
2745
2845
2945
3045

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 14 km/h in April.

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

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 36 min at the start of April to 14 h 36 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 6:15 AM to 5:08 AM, and sunset from 6:53 PM to 7:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:156:53
212.76:136:54
312.86:106:56
412.86:086:58
512.96:057:00
613.06:037:02
713.16:007:03
813.15:587:05
913.25:567:07
1013.35:537:09
1113.35:517:11
1213.45:487:13
1313.55:467:14
1413.55:447:16
1513.65:417:18
1613.75:397:20
1713.75:377:22
1813.85:347:23
1913.95:327:25
2014.05:307:27
2114.05:287:29
2214.15:257:31
2314.25:237:32
2414.25:217:34
2514.35:197:36
2614.45:177:38
2714.45:147:40
2814.55:127:41
2914.65:107:43
3014.65:087:45

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 3.86 kWh/m².

For context, solar energy here swings from a low near 0.53 kWh/m² to a high of 4.81 kWh/m² in June across the year — April's 3.86 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
173.9Moderate
184.0Moderate
194.0Bright
204.0Bright
214.1Bright
224.1Bright
234.1Bright
244.2Bright
254.2Bright
264.2Bright
274.3Bright
284.3Bright
294.3Bright
304.4Bright
Planning a trip in April

Is April a good time to visit Portlaoise?

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

2.9
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 Portlaoise.

What to pack for Portlaoise in April

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

In April, Portlaoise sees daytime highs around 12°C and nights near 5°C. Worth packing: a warm layer and rain gear. About 13 days see rain.

a warm layerrain gear

UV index in Portlaoise 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 Portlaoise peaks around August 13 at about 6 (high) — a little sun protection helps at midday. 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 13UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5High
Jun5High
Jul5High
Aug6High
Sep4Moderate
Oct2Low
Nov1Low
Dec1Low
Location & terrain

Where is Portlaoise?

Portlaoise sits at 53.0°N, 7.3°W, 101 m above sea level, in Ireland. The nearest listed city is Tullamore, 29 km away.

TullamoreCarlowDroichead NuaKilkennyNaasAn Muileann gCearrAthloneCelbridge

Topography around Portlaoise

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

Within 3 km, the terrain around Portlaoise has only modest variations in elevation — a maximum elevation change of 55 m around an average of 101 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 453 m; within 80 km, large variations in elevation — a maximum elevation change of 931 m.

The land around Portlaoise is covered by grassland (62%) within 3 km, grassland (68%) within 16 km, and grassland (76%) within 80 km.

3 km
55 m
16 km
453 m
80 km
931 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Tullamore 29 km · Carlow 33 km · Droichead Nua 37 km · Kilkenny 42 km · Naas 47 km · An Muileann gCearr 55 km · Athlone 61 km · Celbridge 61 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 Portlaoise (53.0344°, -7.2998°, elevation 101 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. 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).