Coleraine weather in June

In June, Coleraine sees average daytime highs of 13°C and overnight lows near 11°C, with 86 mm of rain across 14.6 wet days and about 17 hours of daylight. It is the 4th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 12°C in the first days to 13°C by the end. The sky is clear or mostly clear about 14% of the time in June, and the air most often feels dry.

Daylight stretches from about 16 h 42 min at the start of June to 17 h 06 min by month's end. Set against the rest of the year, June is Coleraine's 3rd-clearest and 11th-windiest month. For the whole year in context, see Coleraine's year-round climate.

Daytime high
13°
4th warmest
Overnight low
11°
9th coldest
Rainfall
86 mm
14.6 wet days
Daylight
17 h 06 min
3:54 AM – 9:00 PM
Cloud cover
73%
3rd clearest
Wind
21 km/h
11th windiest
Solar energy
4.95 kWh/m²
Travel score
2.9
out of 10

Coleraine is town and civil parish in County Londonderry, Northern Ireland.

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 12°C in the first days to 13°C by the end.

A typical June day in Coleraine reaches about 13°C in the afternoon and slips back to 11°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 15°C. Set against its neighbours, June runs about 2°C warmer than May and about 2°C cooler than July.

10°15°20°151015202530
Avg high (°C)Avg low (°C)
11210
21210
31210
41210
51210
61210
71210
81210
91210
101211
111211
121211
131211
141211
151211
161311
171311
181311
191311
201311
211311
221311
231311
241311
251311
261312
271312
281312
291312
301312

Coleraine weather by month

How June compares with the rest of the year at a glance. June is the 4th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 12420.30.67.51.0
Feb / 10016.919.20.9
Mar / 91160.811.41.1
Apr / 7813.90.213.81.6
May11° / 7113.4015.82.3
Jun13° / 11°8614.60172.9
Jul14° / 13°9516.1016.53.5
Aug15° / 13°10416.2014.73.7
Sep14° / 12°10116.3012.53.5
Oct12° / 10°13918.9010.22.6
Nov10° / 14920.80.28.11.7
Dec / 147200.771.3

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 16% of June, with mostly cloudy or overcast conditions the remaining 70%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13664
23664
33664
43565
53565
63466
73268
83268
93169
103169
113169
122971
132872
142872
152773
162773
172773
182575
192575
202575
212674
222773
232872
242872
252872
262971
272971
282872
292971
302971

Chance of precipitation in June

Any precipitation

Coleraine gets around 86 mm of rain over 14.6 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 48% and peaks near 51% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
143
243
343
443
544
644
745
846
946
1047
1147
1248
1348
1449
1549
1649
1750
1850
1950
2050
2150
2250
2351
2451
2551
2651
2751
2851
2951
3051

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21982
22982
23982
24982
25973
26973
27973
28973
29964
30964

Wind in June

Winds average 21 km/h in June.

Across June, daily wind ranges from about 20 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
520breezy
620breezy
720breezy
820breezy
920breezy
1020breezy
1120breezy
1221breezy
1321breezy
1421breezy
1521breezy
1621breezy
1721breezy
1821breezy
1921breezy
2021breezy
2121breezy
2221breezy
2321breezy
2421breezy
2521breezy
2621breezy
2721breezy
2821breezy
2921breezy
3021breezy

Sunrise & sunset in June

DaylightNight

Daylight runs from about 16 h 42 min at the start of June to 17 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over June. Sunrise moves from 4:04 AM to 3:58 AM, and sunset from 8:45 PM to 9:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
116.74:048:45
216.74:038:46
316.84:028:47
416.84:018:49
516.84:008:50
616.93:598:51
716.93:588:52
816.93:588:53
917.03:578:54
1017.03:568:55
1117.03:568:56
1217.03:558:57
1317.03:558:58
1417.13:558:58
1517.13:548:59
1617.13:549:00
1717.13:549:00
1817.13:549:01
1917.13:549:01
2017.13:549:01
2117.13:549:02
2217.13:549:02
2317.13:549:02
2417.13:559:02
2517.13:559:03
2617.13:559:03
2717.13:569:03
2817.13:569:02
2917.13:579:02
3017.13:589:02

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.95 kWh/m².

For context, solar energy here swings from a low near 0.41 kWh/m² to a high of 5 kWh/m² in May across the year — June's 4.95 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.7Bright
304.7Bright
Planning a trip in June

Is June a good time to visit Coleraine?

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

2.9
Sightseeing
4th-best month of the year
Beach & pool
never really warm enough

June is a weaker month for outdoor sightseeing in Coleraine.

What to pack for Coleraine in June

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

In June, Coleraine sees daytime highs around 13°C and nights near 11°C. Pack rain gear. Worth having: a warm layer, sun protection and a windbreaker. About 15 days see rain.

rain geara warm layersun protectiona windbreaker

Sea temperature near Coleraine in June

The nearest coast averages about 11°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 27 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
Jul13Bracing
Aug14Bracing
Sep14Bracing
Oct13Bracing
Nov12Bracing
Dec10Bracing

UV index in Coleraine 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 Coleraine peaks around July 12 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 12UV 5Jan 1UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Moderate
Apr3Moderate
May5High
Jun5Moderate
Jul5High
Aug4Moderate
Sep3Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Coleraine?

Coleraine sits at 55.1°N, 6.7°W, 5 m above sea level, in United Kingdom. The nearest listed city is Ballymena, 39 km away.

LetterkennyNewtownabbeyOmagh

Topography around Coleraine

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

Within 3 km, the terrain around Coleraine has only modest variations in elevation — a maximum elevation change of 82 m around an average of 30 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 385 m; within 80 km, large variations in elevation — a maximum elevation change of 675 m.

The land around Coleraine is covered by grassland (54%) and trees (22%) within 3 km, grassland (57%) and water (24%) within 16 km, and grassland (46%) and water (46%) within 80 km.

3 km
82 m
16 km
385 m
80 km
675 m
treesgrasslandcroplandartificial surfaceswater
June weather nearby: Ballymena 39 km · Derry 44 km · Londonderry County Borough 44 km · Antrim 55 km · Larne 63 km · Letterkenny 71 km · Newtownabbey 72 km · Omagh 72 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 Coleraine (55.1333°, -6.6667°, elevation 5 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).