Portlaoise weather in July

In July, Portlaoise sees average daytime highs of 19°C and overnight lows near 12°C, with 66 mm of rain across 12.5 wet days and about 16.2 hours of daylight. It is the 1st-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 19°C through the month. The sky is clear or mostly clear about 4% of the time in July, and the air most often feels dry.

Daylight stretches from about 16 h 36 min at the start of July to 15 h 30 min by month's end. Set against the rest of the year, July is Portlaoise's 12th-clearest and 12th-windiest month. For the whole year in context, see Portlaoise's year-round climate.

Daytime high
19°
1st warmest
Overnight low
12°
12th coldest
Rainfall
66 mm
12.5 wet days
Daylight
16 h 12 min
4:28 AM – 8:41 PM
Cloud cover
83%
12th clearest
Wind
12 km/h
12th windiest
Solar energy
4.26 kWh/m²
Travel score
5.3
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 July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 19°C through the month.

A typical July day in Portlaoise reaches about 19°C in the afternoon and slips back to 12°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 22°C. Set against its neighbours, July runs about 1°C warmer than June and on par with August.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11811
21811
31812
41812
51812
61812
71812
81812
91812
101812
111912
121912
131912
141912
151912
161912
171912
181912
191912
201912
211912
221912
231912
241912
251912
261912
271912
281912
291912
301912
311912

How July really feels in Portlaoise

Once humidity and wind are folded in, July 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

July 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 July compares with the rest of the year at a glance. July is the 1st-warmest and 7th-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in July, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 9% of July, with mostly cloudy or overcast conditions the remaining 87%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11585
21486
31486
41486
51486
61486
71486
81387
91387
101387
111387
121387
131387
141387
151387
161387
171387
181288
191288
201288
211189
221189
231189
241189
251288
261288
271288
281288
291288
301288
311387

Chance of precipitation in July

Any precipitation

Portlaoise gets around 66 mm of rain over 12.5 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 41% and peaks near 43% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
142
242
343
443
543
643
742
842
942
1041
1141
1241
1340
1440
1540
1639
1739
1839
1939
2038
2138
2239
2339
2440
2540
2641
2741
2842
2942
3043
3143

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the dry band about 67% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
176231
275241
375241
473252
573252
672262
772262
872262
971272
1070273
1170273
1269283
1369283
1468284
1567294
1667294
1766304
1866304
1964315
2064315
2163325
2263325
2363325
2462335
2562335
2662335
2762335
2861345
2961345
3061345
3162335

Wind in July

Winds average 12 km/h in July, the calmest month.

Across July, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 16 h 36 min at the start of July to 15 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over July. Sunrise moves from 4:14 AM to 4:50 AM, and sunset from 8:51 PM to 8:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.64:148:51
216.64:148:51
316.64:158:51
416.64:168:50
516.64:178:50
616.54:188:49
716.54:188:49
816.54:198:48
916.54:208:47
1016.44:218:47
1116.44:228:46
1216.44:248:45
1316.34:258:44
1416.34:268:43
1516.34:278:42
1616.24:288:41
1716.24:298:40
1816.14:318:39
1916.14:328:38
2016.14:338:37
2116.04:358:36
2216.04:368:34
2315.94:388:33
2415.94:398:32
2515.84:418:30
2615.84:428:29
2715.74:448:27
2815.74:458:26
2915.64:478:24
3015.64:488:22
3115.54:508:21

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.26 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 — July's 4.26 kWh/m² sits near the top of that range.

024151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.4Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.4Bright
124.4Bright
134.4Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.2Bright
224.2Bright
234.2Bright
244.1Bright
254.1Bright
264.1Bright
274.0Bright
284.0Bright
294.0Bright
304.0Moderate
314.0Moderate
Planning a trip in July

Is July a good time to visit Portlaoise?

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

5.3
Sightseeing
1st-best month of the year
2.1
Beach & pool
1st-best month of the year

July is a reasonable time to visit Portlaoise for sightseeing.

What to pack for Portlaoise in July

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

In July, Portlaoise sees daytime highs around 19°C and nights near 12°C. Worth packing: rain gear. About 13 days see rain.

rain gear

UV index in Portlaoise in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 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
July 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).