Dundalk weather in June

In June, Dundalk sees average daytime highs of 17°C and overnight lows near 10°C, with 75 mm of rain across 13 wet days and about 16.8 hours of daylight. It is the 3rd-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 16°C in the first days to 18°C by the end. The sky is clear or mostly clear about 7% of the time in June, and the air most often feels dry.

Daylight stretches from about 16 h 30 min at the start of June to 16 h 48 min by month's end. Set against the rest of the year, June is Dundalk's 10th-clearest and 10th-windiest month. For the whole year in context, see Dundalk's year-round climate.

Daytime high
17°
3rd warmest
Overnight low
10°
10th coldest
Rainfall
75 mm
13 wet days
Daylight
16 h 48 min
4:01 AM – 8:51 PM
Cloud cover
79%
10th clearest
Wind
13 km/h
10th windiest
Solar energy
4.78 kWh/m²
Travel score
4.7
out of 10

Dundalk is county town and administrative capital of County Louth, Ireland.

Air quality
Excellent
PM10 14.4 µg/m³ · 2019
Density
1,747/km²
people per km²
Founded
~3499 BCE

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

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 16°C in the first days to 18°C by the end.

A typical June day in Dundalk reaches about 17°C in the afternoon and slips back to 10°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 20°C. Set against its neighbours, June runs about 3°C warmer than May and about 2°C cooler than July.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
1169
2169
3169
4169
5169
6169
71610
81610
91610
101710
111710
121710
131710
141710
151710
161710
171710
181710
191711
201711
211711
221711
231711
241711
251711
261811
271811
281811
291811
301811

How June really feels in Dundalk

Once humidity and wind are folded in, June 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

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

Dundalk weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 7113.31.17.70.9
Feb / 5811.919.41.1
Mar / 6012.60.711.51.8
Apr12° / 6512.60.113.72.7
May14° / 6913.8015.73.7
Jun17° / 10°7513016.84.7
Jul18° / 12°7614.5016.35.1
Aug18° / 12°8313.7014.65.1
Sep16° / 10°6712.1012.54.5
Oct13° / 7812.4010.23.2
Nov10° / 8113.30.18.31.9
Dec / 7512.30.77.21.1

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 12% of June, with mostly cloudy or overcast conditions the remaining 81%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12575
22674
32575
42575
52575
62575
72377
82278
92278
102278
112080
122080
132080
141981
151981
161882
171882
181783
191783
201684
211684
221684
231585
241585
251585
261684
271684
281684
291684
301684

Chance of precipitation in June

Any precipitation

Dundalk gets around 75 mm of rain over 13 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 44% and peaks near 45% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
144
244
344
445
545
645
745
845
945
1045
1145
1244
1344
1444
1544
1643
1743
1842
1942
2042
2142
2242
2342
2442
2543
2643
2744
2844
2945
3045

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the dry band about 88% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19550
29460
39460
49460
59370
69370
79370
89280
99280
109190
119190
129190
1390100
1489101
1588111
1688111
1788111
1887121
1987121
2086131
2186131
2285141
2384151
2484151
2583161
2682171
2782171
2881181
2980191
3078202

Wind in June

Winds average 13 km/h in June.

Across June, daily wind ranges from about 13 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
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2414light breeze
2514light breeze
2614light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in June

DaylightNight

Daylight runs from about 16 h 30 min at the start of June to 16 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over June. Sunrise moves from 4:09 AM to 4:04 AM, and sunset from 8:37 PM to 8:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
116.54:098:37
216.54:088:38
316.54:078:40
416.64:068:41
516.64:068:42
616.64:058:43
716.74:048:44
816.74:048:45
916.74:038:46
1016.74:038:47
1116.84:028:48
1216.84:028:49
1316.84:018:49
1416.84:018:50
1516.84:018:51
1616.84:018:51
1716.94:008:52
1816.94:008:52
1916.94:008:53
2016.94:008:53
2116.94:008:53
2216.94:018:54
2316.94:018:54
2416.94:018:54
2516.94:018:54
2616.94:028:54
2716.94:028:54
2816.94:038:54
2916.84:038:54
3016.84:048:54

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.78 kWh/m².

For context, solar energy here swings from a low near 0.49 kWh/m² to a high of 4.81 kWh/m² in May across the year — June's 4.78 kWh/m² sits near the top of that range.

024151015202530
Solar energy (kWh/m²)Level
15.0Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.5Bright
Planning a trip in June

Is June a good time to visit Dundalk?

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

4.7
Sightseeing
3rd-best month of the year
1.0
Beach & pool
3rd-best month of the year

June is a reasonable time to visit Dundalk for sightseeing.

What to pack for Dundalk in June

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

In June, Dundalk sees daytime highs around 17°C and nights near 10°C. Worth packing: a warm layer, rain gear and sun protection. About 13 days see rain.

a warm layerrain gearsun protection

Sea temperature near Dundalk in June

The nearest coast averages about 13°C in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 14 km away) is warmest in August at about 15°C and coldest in March near 8°C.

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

5°10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan9Bracing
Feb8Bracing
Mar8Bracing
Apr9Bracing
May11Bracing
Jun13Bracing
Jul15Bracing
Aug15Cool
Sep14Bracing
Oct13Bracing
Nov12Bracing
Dec10Bracing

UV index in Dundalk in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June 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 Dundalk peaks around August 10 at about 5 (high) — a little sun protection helps at midday. It bottoms out near December 20 at about 0 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 10UV 5Dec 20UV 0
UV index (midday)Level
Jan1Low
Feb1Low
Mar2Moderate
Apr3Moderate
May5High
Jun5High
Jul5High
Aug5High
Sep4Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Dundalk?

Dundalk sits at 54.0°N, 6.4°W, 18 m above sea level, in Ireland. The nearest listed city is Newry, 21 km away.

DroghedaBanbridgeNavanBalbrigganPortadownCraigavonSwords

Topography around Dundalk

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

Within 3 km, the terrain around Dundalk has only modest variations in elevation — a maximum elevation change of 58 m around an average of 18 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 582 m; within 80 km, large variations in elevation — a maximum elevation change of 852 m.

The land around Dundalk is covered by grassland (51%) and artificial surfaces (21%) within 3 km, grassland (57%) within 16 km, and grassland (62%) and water (24%) within 80 km.

3 km
58 m
16 km
582 m
80 km
852 m
treesgrasslandcroplandartificial surfaceswaterwetland
June weather nearby: Newry 21 km · Drogheda 32 km · Banbridge 40 km · Navan 42 km · Balbriggan 46 km · Portadown 47 km · Craigavon 50 km · Swords 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 Dundalk (54°, -6.4167°, elevation 18 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).